[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Rapport, Richard"]
[Black "Krauseneck, Peter"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2715"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,66,67,66,68,56,59,9,20,15,23,16,45,42,58,71,66,0,6,-5,0,20,73,74,84,86,89,108,125,94,121,71,110,78,85,74,88,88,87,84,95,79,84,78,508,504,513,481,683,673,29989,29990,29990,29991,29990,29991,29995,29996,29999]} 1. d4 d5 2. c4 e6 3. Nc3 f5 4. Bf4 Nf6 5. e3 Be7 {LiveBook: 23 Games} 6. h3 {A84: Dutch Defence: 2 c4 Miscellaneous} O-O 7. Qc2 c6 8. g4 {White is slightly better.} Ne4 9. gxf5 $146 ({Predecessor:} 9. Nf3 Kh8 10. Bd3 Na6 11. a3 Nxc3 12. bxc3 dxc4 13. Bxc4 {1-0 (47) Sorin,A (2501)-Reides,M (2354) Buenos Aires 1999}) 9... Nxc3 10. Qxc3 exf5 11. Nf3 Be6 12. Rg1 Nd7 13. Ng5 (13. O-O-O $14) 13... Bxg5 $1 $11 14. Bxg5 Nf6 15. c5 Qe8 (15... f4 $11) 16. Bf4 $16 Rf7 17. O-O-O b6 18. Kb1 Rb7 19. Be5 Rf7 20. Be2 {[%cal Bf1e2,Be2h5,Bh5g6][%mdl 32]} Ne4 21. Qe1 {Threatens to win with Bh5.} (21. Qc2 {looks sharper.} Nf6 22. Rc1 Nd7 23. cxb6 Nxe5 24. dxe5 Bd7 25. b7) 21... Nf6 22. Rc1 Nd7 23. Bf4 bxc5 24. dxc5 a5 25. Bh5 g6 26. Qc3 {aiming for Bxg6!} Qe7 $2 {[%mdl 8192] [#]} (26... Nf8 $16) 27. Bxg6 $1 $18 {[%mdl 512]} Rg7 (27... hxg6 28. Rxg6+) 28. Bh5 Nf6 (28... Qf6 $142 29. Qxf6 Nxf6 30. Rxg7+ Kxg7) 29. Bd6 Qd8 30. Rxg7+ {White mates.} Kxg7 31. Rg1+ Kh6 32. Be2 {[%cal Rd6f4]} Nh5 33. Bf4+ Nxf4 34. Qg7# {Precision: White = 73%, Black = 53%.} ({Not} 34. exf4 Qh8 $16) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Andreikin, Dmitry"]
[Black "Everett, Elijah"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2712"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,69,17,19,25,34,38,35,22,26,22,46,50,42,0,12,51,60,37,36,31,101,95,98,98,145,137,145,145,137,149,345,341,335,309,329,268,280,280,748,716,715,698,855,845,1353,1220,5910,1187,1313,1081]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 g6 7. O-O {B53: Sicilian: 2...d6: Lines with Qxd4} Bg7 8. c4 Nf6 9. Nc3 O-O 10. h3 a6 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Rc8 11. Be3 a6 12. Bxc6 Bxc6 {½-½ (26) Karjakin,S (2760)-Nepomniachtchi,I (2729) Riadh 2017}) 11. Bxc6 Bxc6 {LiveBook: 82 Games} 12. Nd4 Rc8 13. Be3 Nd7 14. Rac1 Nc5 15. Qb1 Ne6 16. Nxe6 fxe6 17. Rfd1 b5 18. c5 d5 19. Ne2 Qe8 20. Nd4 Qf7 (20... Bxd4 $1 $14 21. Bxd4 dxe4) 21. Nxc6 $16 Rxc6 22. Qc2 a5 23. Rd3 b4 24. Rcd1 d4 25. Bxd4 e5 $2 {[#]} (25... Bxd4 $16 {keeps fighting.} 26. Rxd4 Qf4) 26. Be3 $18 Qxa2 27. Rd7 Bf6 28. Ra7 Rfc8 29. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} R6c7 $2 {[#]} (29... g5 30. Qd2 Kh8 31. Qxb4 axb4 32. Rxa2 Rb8) 30. Rxc7 {White is clearly winning.} Rxc7 31. Rd8+ Kf7 32. g5 Bg7 33. Qd1 a4 34. Qf3+ (34. Rb8 $142 Ra7 35. Qd8 Qa1+ 36. Kg2 Qf1+ 37. Kxf1 Bf8 38. Qe8+ Kg8 39. Qxf8#) 34... Ke6 35. Rg8 {Precision: White = 78%, Black = 21%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Van Wely, Loek"]
[Black "Quaranta, Cristiano"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2667"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,58,74,77,70,64,82,60,63,39,125,122,131,128,113,93,154,147,195,184,227,228,215,181,222,214,254,226,289,295,324,314]} 1. c4 e6 2. Nc3 c5 3. Nf3 Nc6 4. g3 (4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. c5 Be7 8. Bb5 O-O 9. O-O Qc7 10. Re1 h6 11. g3 Rd8 12. Bf4 Qa5 13. Ba4 Ne4 14. Nxe4 dxe4 15. Rxe4 b5 16. Bb3 Bb7 17. Qe2 {1-0 (25) Li,C (2739)-Shytaj,L (2465) Germany 2017}) 4... g6 5. d4 cxd4 6. Nxd4 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} a6 7. Bg2 Bg7 8. Nxc6 {White is better.} bxc6 9. c5 Qa5 $146 (9... Ne7 $14) ({Predecessor:} 9... Ne7 10. O-O O-O 11. Ne4 {½-½ (43) Chudinovskih,A (2280)-Szablowski,P (2288) Brno 2010}) 10. O-O $16 Ne7 11. Na4 O-O 12. Rb1 Qc7 (12... Qd8 $142) 13. e4 Re8 14. Bf4 e5 15. Be3 a5 16. Qd2 Ba6 17. Rfd1 Ra7 18. Nb6 Rd8 19. Bh3 Bc8 20. Qd6 {Precision: White = 85%, Black = 31%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Shirov, Alexei"]
[Black "Gulatz, Maurice"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2651"]
[BlackElo "2145"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,20,16,6,-4,33,28,26,29,40,42,57,58,50,38,39,17,43,0,0,-6,0,0,0,0,0,0,0,0,0,0,152,136,428,423]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4 e6 7. Nxf5 exf5 8. e3 Bd6 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5} (8... Bb4 9. Bxc4 O-O 10. Qc2 g6 11. O-O Nbd7 12. f3 Nb6 13. Ba2 Re8 14. Qf2 Nbd5 15. Bd2 Qa5 16. Rac1 Bxc3 17. bxc3 Qxa4 18. Bb1 Re6 19. e4 Rae8 20. Bd3 {1-0 (39) Moiseenko,A (2648)-Gharamian,T (2626) Bastia 2016}) 9. Bxc4 Qe7 10. Qc2 g6 {White has an edge.} 11. O-O $146 ({Predecessor:} 11. f3 Nbd7 12. O-O c5 13. Nb5 Bb8 14. dxc5 Qxc5 15. Bd3 a6 16. Nd4 {1-0 (38) Aschenbrenner,R (2229)-Wallner,J (2310) Vienna 2003}) 11... Nbd7 12. e4 fxe4 13. Re1 {[%cal Rc3e4]} O-O $1 14. Nxe4 Nxe4 15. Rxe4 Qf6 16. h4 Qf5 17. Bd3 Nf6 18. Re2 $36 {[%mdl 2048] White has some pressure.} Qg4 19. Bg5 Nd5 20. Re4 Qd7 21. Bc4 Qf5 22. Qe2 Nf6 $2 {[#]} (22... Kg7 $11) 23. Re6 $1 $16 {[%cal Re6f6][%mdl 512]} Rae8 $2 {[%mdl 8192]} (23... Ne8 $16 24. Bh6 Qh5 25. Bxf8 Qxe2 26. Rxe2 Bxf8) (23... fxe6 24. Bxe6+) 24. Rxf6 {Precision: White = 84%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Gordievsky, Dmitry"]
[Black "Spiegel, Stefan"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2630"]
[BlackElo "2144"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,129,-18,8,-2,-2,-2,-2,-2,-4,-21,-15,-8,-10,-31,0,0,0,-7,20,0,0,0,35,0,13,12,12,0,0,0,11,11,7,0,0,-24,-29,-24,0,0,0,0,0,0,0,0,0,0,0,-31,-23,-59,-75,-73,-10,-57,-50,-46,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-20,-20,-29,0,0,0,0,0,0,29,36,99,109,208,207,214,203,202,202,2325,2225,29961,29962,29971,29972,29975,29976,29976,29977,29977,29978,29978,29979,29977,29978]} 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. e4 b6 8. Re1 Bb7 9. c3 Qc7 10. Nf1 dxe4 11. dxe4 Rd8 12. Qc2 O-O 13. e5 {C00: French: Unusual White 2nd moves} Nd5 {[%cal Bf6d5,Bd5e7,Be7g6][%mdl 32]} 14. Ng5 Bxg5 $1 15. Bxg5 {The position is equal.} Rd7 16. Qe2 {[#]} h6 $146 ({Predecessor:} 16... Nde7 17. h4 h6 18. Bc1 Na5 19. Bxb7 Qxb7 20. Nh2 Nf5 {0-1 (77) Ibragimov,I (2520)-Dvoirys,S (2550) St Petersburg 1995}) 17. Bc1 Nde7 18. Nd2 Ng6 {[%cal Rc6e5]} 19. f4 $1 Nce7 20. Ne4 Rfd8 21. Be3 Nf5 22. Bf2 Bc6 23. b4 cxb4 24. cxb4 Nd4 25. Bxd4 Bxe4 $1 26. Rac1 Qb8 {Strongly threatening ...Bxg2.} 27. Bxe4 Rxd4 28. b5 Ne7 29. Rc2 g6 30. Rec1 R4d7 31. Kg2 Kg7 32. Kh3 Rc8 33. Rxc8 Nxc8 34. Bc6 Rd8 35. Bf3 Ne7 36. Qe4 (36. Rc4 {looks sharper.} h5 37. a4 Rd7 38. Bc6 Rd8 39. Be4) 36... Rd7 37. Qa8 Qxa8 38. Bxa8 $15 {[%mdl 4096] Endgame [#] KRB-KRN} Nf5 (38... g5 $1 $17) 39. a4 g5 $1 40. Be4 Ne7 41. Rc4 f5 42. exf6+ $1 Kxf6 43. Kg4 gxf4 44. Kxf4 Rd2 45. h4 Ra2 46. Kg4 Ra3 47. Kh5 {With the idea g4.} Rxg3 48. Rc7 Re3 49. Bc2 Re2 50. Kxh6 Nd5 51. Rc8 Rh2 {[%cal Rh2h4]} 52. h5 Ke5 (52... Ne3 {is interesting.} 53. Bg6 Ng4+ 54. Kh7 Kg5 55. Kg7 Nf6) 53. Bg6 Rh4 (53... Ne7 $14 54. Ra8 Kf6 55. Rf8+ Ke5) 54. Kg5 $16 Rh1 {[#]} (54... Rxa4 $16 55. h6 Nf6) 55. Ra8 $1 $18 Rg1+ 56. Kh6 Kf6 57. Rxa7 {And now Rf7+ would win.} Ne7 $2 {[#]} (57... Rg4 58. Rf7+ Ke5) 58. Rxe7 $1 {[%mdl 512]} Kxe7 {KR-KB} 59. Kg7 {White mates.} e5 60. h6 Kd6 61. h7 Rh1 62. h8=Q Rxh8 63. Kxh8 Kc5 64. Kg7 Kb4 65. Kf6 {Precision: White = 59%, Black = 50%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Kozul, Zdenko"]
[Black "Heinatz, Dr. Gundula"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2617"]
[BlackElo "2143"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,37,23,55,60,84,93,114,102,115,99,109,89,135,94,138,136,136,124,138,135,139,144,142,140,136,126,159,167,172,178,170,170,170,150,276,272,382,375,431,410,445,415,507,504,616,587,708,777,1055,1022,1035,966,1342,1279,1724,1679]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 Bxf3 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} (8... c5 9. d5 Na6 10. O-O Nc7 11. h3 Bxf3 12. Bxf3 Re8 13. Be2 a6 14. Qd2 e6 15. Rfe1 exd5 16. exd5 Qh4 17. Bg4 Rxe3 18. Qxe3 {0-1 (35) Brown,M (2506)-Mamedyarov,S (2804) chess.com INT 2018}) 9. Bxf3 Nc6 10. d5 Nce5 {White is better.} 11. Be2 {f4 is the strong threat.} Nb6 12. b3 e6 $146 ({Predecessor:} 12... a5 13. O-O c5 14. f4 Ned7 15. a4 Rb8 16. Kh1 {1-0 (42) Naumkin,I (2506)-Gromovs,S (2311) Capoliveri 2011}) 13. O-O Qe7 14. Qd2 Rae8 15. Nb5 {Strongly threatening c5.} a6 {[#]} 16. Nxd6 $1 {[%mdl 512]} cxd6 17. Bxb6 exd5 18. exd5 f5 19. Be3 Nd7 {With the idea ...f4.} 20. Rfe1 Qf7 21. g3 Be5 22. Bh6 Bg7 23. Bf4 Be5 24. b4 Qf6 (24... Bxf4 $16 {was worth a try.} 25. gxf4 (25. Qxf4 Re5 $16) 25... a5) 25. Bg5 $18 Qh8 (25... Qf7 $142 26. c5 Rc8) 26. c5 h6 27. Bxh6 Rf7 28. Bg5 Nf6 {[#] Threatens to win with ...Ne4.} 29. Bf3 {White is clearly winning.} Ref8 {Black hopes to continue with ...Ne4.} 30. cxd6 Ng4 31. h4 Bxd6 32. Re6 Ne5 33. Be2 Bb8 34. d6 Ba7 35. Bf4 {Precision: White = 91%, Black = 35%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Papp, Gabor"]
[Black "Barrenechea Bahamonde, Gustavo"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2604"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,69,25,79,77,134,135,159,168,254,247,260,229,355,340,380,364,370,348,348,336,446,361,402,243,447,475,466,451,728,662,670,651,675,679,1016,989,2285,2133,1755,1566,29991,29992,29992,29993]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Ne4 h6 {LiveBook: 4 Games. B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (14... Qc7 $11 {remains equal.} 15. Bc5 Rfd8) (14... Qc7 15. Bc5 Rfd8 16. Qh4 Qa5 17. Ba3 h6 18. Nc5 Bf5 19. Bb3 g5 20. Qf2 Qb6 21. g4 Bg6 22. Rd2 Nc7 23. Ne4 Qxf2 24. Rxf2 {1-0 (76) Caruana,F (2767)-Mamedov,R (2624) Plovdiv 2012}) 15. Bc5 $16 f5 (15... Re8 $142) 16. Bxf8 Qxf8 {White is clearly better.} 17. Nc3 {[%cal Rc3d5]} Nf4 $146 (17... Qc5 {keeps fighting.}) ({Predecessor:} 17... e4 18. Na4 Bf7 19. fxe4 Re8 20. Qa5 Ne3 21. Bxf7+ Qxf7 22. Rd8 Qxa2 23. Rxe8+ {1-0 (35) Karthik,V (2256)-Yogit,S (2064) Dindigul 2015}) 18. Bxe6+ $18 Nxe6 19. Qg3 Rb8 (19... Qf7 $142 20. Rd6 Rd8 21. Rxd8+ (21. Rxc6 g5 $18) 21... Nxd8) 20. Qxg6 Nd4 {With the idea ...Qb4.} 21. a3 Qc5 {Now ...Qb6 and Black clings on.} 22. Rhe1 Qb6 23. b4 Kh8 24. Qd6 Rd8 25. Qc5 Qc7 $2 {[#]} (25... Qxc5 26. bxc5 Bf6) 26. Ne2 Rd5 27. Qc4 a5 (27... Qd7 $142 28. Nxd4 exd4) 28. c3 axb4 29. axb4 Nxe2+ 30. Rxe2 Rb5 31. Red2 {[#] White threatens Rd8+ and mate.} Bf6 32. Rd6 Bg5+ 33. Kc2 Qb6 34. Rxc6 Qf2+ 35. Kb3 {Precision: White = 90%, Black = 17%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Sumets, Andrey"]
[Black "Schulz, Vladimir"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2590"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,59,77,85,69,70,71,81,21,31,0,0,0,210,156,147,153,243,232,458,429,445,439,538,540,650,545,751,743,1124,1071,1387,1353,3261,3160,29991,29992,29993,29993]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. e4 Bxf1 9. Kxf1 Nbd7 10. g3 Bg7 11. Kg2 O-O 12. a4 {A59: Benko/Volga Gambit: White castles by hand} Qa5 {LiveBook: 56 Games} 13. Ra3 (13. Qc2 Qb4 14. Bd2 Rfb8 15. Rhb1 Qb3 16. Ne1 Ne5 17. f3 Nc4 18. Bc1 Qxc2+ 19. Nxc2 {0-1 (53) Ragger,M (2659)-Vajda,L (2588) Antalya 2017}) 13... Rfb8 14. Qc2 {White is slightly better.} Nb6 {[#]} 15. b3 $146 (15. Nd1 $16) ({Predecessor:} 15. Rb3 Nfd7 16. Bg5 Bxc3 17. Rxc3 f6 18. Bc1 Qxa4 19. Qe2 Qa6 20. Qc2 Qa4 21. Qe2 Qa6 22. Qc2 Qa4 23. Qe2 Qa6 {½-½ (23) Popilski,G (2523)-Timmermans,M (2270) Barcelona 2013}) 15... c4 $1 $11 16. b4 Qxb4 17. Nd4 {[#] Nc6 is the strong threat.} Nfxd5 $2 (17... Qc5 $11 18. Ndb5 Ng4) 18. Nc6 $36 {[%mdl 2048] White is really pushing.} Qc5 19. exd5 Nxd5 (19... Re8 $16 {keeps fighting.}) 20. Nxb8 Nb4 $2 (20... Nxc3 {was called for.} 21. Rxc3 Bxc3) 21. Qe4 Rxb8 22. Be3 Qa5 23. Rb1 Rd8 24. Nb5 d5 25. Qxe7 Bf8 26. Qf6 {Bd4 would kill now.} Nc2 27. Bb6 Qd2 28. Qxd8 Ne1+ {[#]} 29. Rxe1 $1 Qxe1 30. Re3 {Precision: White = 46%, Black = 42%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Buhmann, Rainer"]
[Black "Wendler, David"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2588"]
[BlackElo "2140"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,83,40,63,36,34,35,40,35,62,61,109,111,106,103,131,129,129,132,131,127,213,197,398,381,376,392,365,383,372,352,396,383,451,446,624,579,602,574,605,622,579,511,711,706,991,933,1450,1310,29980,6967,29990,29990,29992,29993,29993,29991,29991,29992]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. Nf3 d6 8. e4 Bg7 9. Nd2 Qc7 10. Be2 O-O 11. O-O Nbd7 12. a4 Rb8 13. a5 {A57: Benko/Volga Gambit} Rb4 14. Nc4 Ne8 {[%cal Bf6e8,Be8c7,Bc7b5][%mdl 32] LiveBook: 4 Games} 15. Bd2 {[#] White is slightly better.} Ne5 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Qa7 16. Na4 Rb7 17. Nab6 Nc7 18. Bg4 Na8 19. Nxa8 Qxa8 20. Bxd7 Bxd7 {½-½ (32) Seirawan,Y (2625)-Shirov,A (2695) Amsterdam 1995}) 16. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Nxc4 17. Bxc4 Qb8 18. Rc1 Nc7 19. Na4 Rb7 20. Nb6 Nb5 21. b4 Bd4 22. Bh6 Re8 23. Qd2 Be5 (23... e5 $16 {was called for.} 24. bxc5 Bxc5 25. Bxb5 axb5) 24. Be3 $18 cxb4 $2 {[#]} (24... Bd7 {keeps fighting.} 25. f4 (25. bxc5 dxc5 26. h3 Bd4 $16) 25... Bd4 26. Bxd4 Nxd4 27. bxc5 (27. Bxa6 Nb3 $16) 27... dxc5 28. Bxa6 Rxb6 29. axb6 Qxb6) 25. Bxb5 axb5 26. Qxb4 ({Weaker is} 26. Rxc8 Rxc8 27. Nxc8 Qxc8 $14) ({Worse is} 26. Nxc8 Bc3 $11) 26... Bd7 27. Nxd7 Rxd7 28. Rc6 Qa8 29. Qxb5 Rb7 30. Rb6 Rc7 31. Rb1 Kg7 32. Ra6 Qc8 33. Rc6 Rxc6 34. Qxc6 f5 35. f4 Qxc6 36. dxc6 {[%mdl 4096] Endgame KRB-KRB} Bc3 37. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} fxe4 38. a7 d5 39. Rb8 {White mates.} d4 40. Rxe8 dxe3 41. Kf1 e2+ 42. Kxe2 {Precision: White = 88%, Black = 26%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "1"]
[White "Sadzikowski, Daniel"]
[Black "Paquico Rodriguez, Ivan"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2583"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,123,50,47,47,50,51,46,56,26,47,47,68,56,54,45,46,40,46,37,68,18,21,23,6,9,45,20,23,-3,10,-31,-20,-22,-18,-49,-58,-81,-95,-117,-102,-104,-91,-86,-59,-84,-34,-22,18,-79,-22,-39,0,0,0,0,-10,-62,-83,-58,164,-216,-193,-291,-298,-347,-111,-76,0,0,18,0,114,45,246,237,1439,1436,1406,1424,1345,1335,1299,1295,1207,1170,1537,1504,1283,1220,910,214,12838,12838,12841,6303,12841,12836,29985,29986,29986,29985,29982,12839,12839,12840,12843,12843,12844,12844,12844,12841]} 1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 e5 5. Nge2 Nc6 6. d5 Nce7 7. h4 h5 {A42: Modern Defence: Averbakh Variation} 8. Ng3 {LiveBook: 11 Games} Bd7 (8... Bh6 9. Be2 Bxc1 10. Qxc1 Nf6 11. f4 exf4 12. Qxf4 Nd7 13. O-O-O Ne5 14. Qf6 Rf8 15. Rhf1 {1-0 (42) Martinovic,S (2550)-Chigaev,M (2531) Tallinn 2016}) 9. Bd3 a6 $146 {White is slightly better.} ({Predecessor:} 9... Nh6 10. Bd2 a5 11. Qe2 O-O 12. O-O-O a4 13. a3 Kh7 14. Kb1 Qc8 15. f3 {1-0 (38) Kibalnichenko,S (2093)-Gromov,S (2221) ICCF email 2016}) 10. Bg5 Nh6 11. Be2 Ng4 12. f3 Nh6 13. Bd3 f6 14. Bd2 Nf7 15. Qb3 Rb8 16. O-O-O c5 17. dxc6 bxc6 18. Qa3 Be6 19. Nge2 f5 20. Kb1 O-O 21. Be3 a5 22. Nc1 Qc7 23. Nb3 Ra8 24. Rc1 Rfb8 25. Nd5 Qd8 $1 26. Nxe7+ Qxe7 27. Ka1 Qc7 28. Nd2 Bf8 29. Qc3 f4 30. Bf2 a4 31. Nb1 (31. c5 $11 {remains equal.}) 31... Qb7 (31... Nd8 $17) 32. Rhg1 d5 33. exd5 cxd5 34. g3 {[#] Strongly threatening gxf4.} a3 $1 {[%mdl 512]} 35. bxa3 (35. Nxa3 $11 d4 36. Qc2 Qxb2+ 37. Qxb2 Rxb2 38. Kxb2 Bxa3+ 39. Kb3) 35... e4 $15 (35... d4 36. Qc2) 36. gxf4 Nh8 $2 (36... exd3 $2 37. Rxg6+ Kh7 38. Rxe6 $18) (36... Bf5 $1 $15 {keeps the upper hand.} 37. fxe4 dxe4) 37. fxe4 $4 {[%mdl 8192]} (37. Be2 $1 $18) 37... dxe4 $19 {...Rd8 is the strong threat.} 38. Bd4 (38. Be2 {might work better.} Rd8 39. Rcd1) 38... exd3 39. Bxh8 {[#]} Bf5 $2 (39... d2 $1 $19 {[%cal Rd2c1][%mdl 512] is more deadly.} 40. Rcd1 (40. Nxd2 $2 Rxa3 41. Rxg6+ Kh7 $19) 40... Bf5) 40. Be5 $17 Rd8 ({Black should try} 40... Bc5 $17 41. Rgd1 Qd7) 41. c5 $11 {[%cal Bc4c5,Bc5c6][%mdl 32]} Qd5 42. c6 {Hoping for c7.} d2 {[#]} (42... Rdb8 $11) 43. Rcd1 (43. Nxd2 $1 $16 {[%mdl 512] And now c7 would win.} Qxd2 44. Qb3+ Qd5 45. c7 Qxb3 46. cxd8=Q Qxa2+ 47. Kxa2 Rxd8 48. Rgd1) 43... Qc5 $2 ({Black should play} 43... Bxb1 $1 $14 44. Rxb1 Bc5) 44. Qb3+ $18 ({Inferior is} 44. Nxd2 Qxc3+ 45. Bxc3 Rac8 $11) 44... Kh7 $2 (44... Qd5 45. Nxd2 Qxb3 46. Nxb3 Rxd1+ 47. Rxd1 Bg4) 45. Qf7+ Kh6 46. Bf6 {[%csl Gf4,Gg1,Gh4][%cal Rf6g5]} Qd4+ 47. Bxd4 Rxd4 48. Rg5 ({Not} 48. Qf6 Bg7 $14) 48... Bg7 49. Rxf5 {White threatens Rf6 and mate.} gxf5 50. Qe6+ Kh7 51. Qxf5+ Kg8 52. Nc3 $2 (52. Qe6+ Kh8 53. Nc3) 52... Rf8 $2 (52... Rxa3 53. Qe6+ Kh7) 53. Qe6+ Kh8 54. Kb1 Rd3 55. Nb5 Rb8 56. a4 Rd4 57. c7 Rb4+ 58. Qb3 (58. Kc2 $142 Ra8 59. c8=Q+ Rxc8+ 60. Qxc8+ Kh7 61. Qf5+ Kh8 62. Kxd2 Bd4 63. Qf8+ Kh7 64. Qxb4) 58... Rxb3+ {White is clearly winning.} 59. axb3 Rc8 60. Rxd2 {Threatening mate with Rd8+.} Bf6 61. Rd7 Bxh4 62. Nd6 {Precision: White = 45%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Kunin, Vitaly"]
[Black "Horn, Sven"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2575"]
[BlackElo "2137"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,11,-2,30,29,27,28,26,22,44,27,42,34,79,81,120,128,114,113,130,127,134,135,131,131,145,144,153,152,147,145,153,153,153,153,153,153,144,146,152,148,171,178,195,168,232,224,215,209,241,251,239,229,270,270,270,270,270,259,268,264,346,297,320,297,464,464,464,464,464,457,385,368,457,457,428,390,444,407,4240,3479,1407,469,29947,12814,12202,12783,6717,6733,6629,4409,2389,455,29963,29967,29967,29967,29968,29969,29972,29964,7754,5619,6158,5704,6070,6024]} 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bg4 5. h3 Bh5 6. Nc3 e6 7. Qb3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Qc7 8. Nh4 {LiveBook: 19 Games} Bg6 $146 ({Predecessor:} 8... Nbd7 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 g5 12. cxd5 Nxd5 13. Nxd5 exd5 14. e4 Be7 15. exd5 {1-0 (45) Matlakov,M (2695)-Andriasian,Z (2612) Jerusalem 2015}) 9. Nxg6 {White has an edge.} hxg6 10. Bd2 Nbd7 11. Rc1 Qb6 12. Qc2 dxc4 13. Bxc4 Nd5 14. O-O Qd8 15. Bxd5 exd5 16. e4 dxe4 17. d5 ({Don't play} 17. Qxe4+ $6 Be7 $14) 17... Be7 18. dxc6 ({Resist} 18. Qxe4 $6 Nf6 $14) 18... bxc6 19. Nxe4 Rc8 20. Bf4 {Threatens to win with Nd6+.} Nb6 {[#]} 21. Rfd1 $1 {[%cal Rd1d8]} Nd5 22. Nc3 {Strongly threatening Nxd5.} O-O 23. Nxd5 cxd5 24. Qxc8 Qxc8 25. Rxc8 Rxc8 26. Rxd5 $16 {[%mdl 4096] Endgame KRB-KRB} Bf6 27. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Rc6 28. Kf1 Kf8 29. Be3 a6 (29... Ke8 {was worth a try.} 30. Bc5 Re6) 30. Bc5+ $18 Ke8 31. Ke2 Be7 32. b4 Re6+ 33. Kd3 Re1 34. Bxe7 Kxe7 {KR-KR} 35. Ra5 Re6 36. a4 Kd7 37. b5 Rd6+ 38. Kc3 axb5 39. Ra7+ ({Less strong is} 39. Rxb5 Kc6 $16) 39... Kc6 (39... Kc8 $142 40. axb5 Rd7 41. Rxd7 Kxd7) 40. axb5+ Kc5 41. Rxf7 Kxb5 42. Rxg7 Kc5 43. Ra7 Rf6 44. Ra5+ Kb6 45. Ra2 Kc7 46. Kd3 Kd7 (46... Re6 $142 47. Kd4 Kd8) 47. Ra7+ Ke8 48. Ke3 (48. Ke2 $142 Rf5 49. f3) 48... Kf8 (48... Rf5 $18 49. f3 Re5+ 50. Kf4 Rf5+ 51. Kg4 Rb5) 49. f4 Rb6 50. Kf3 Rb5 51. Kg4 Rf5 52. h4 Kg8 53. Re7 Kf8 (53... Rc5 $18 54. Re5 Rc2) 54. Re5 Rf6 55. h5 gxh5+ 56. Rxh5 Kg7 57. g3 Ra6 58. Re5 {White is clearly winning.} Kf6 59. Re4 Ra1 60. f5 {Precision: White = 90%, Black = 24%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Heberla, Bartlomiej"]
[Black "Pappelis, Dimitrios"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2570"]
[BlackElo "2136"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,91,0,-1,4,-8,31,15,23,23,42,36,41,44,46,46,52,45,106,103,107,58,63,35,29,34,40,38,38,38,31,38,114,72,79,79,74,77,77,75,78,64,89,85,111,111,111,111,111,110,111,111,143,138,137,136,144,147,155,137,137,130,174,165,172,168,220,172,237,211,301,286,282,189,369,358,539,547,1017,967,1007,1003]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Bd2 O-O 6. Nf3 Nbd7 7. Qc2 {LiveBook: 3 Games. E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} Re8 (7... b6 8. Be2 Bb7 9. O-O Be7 10. Rfd1 c5 11. Be1 Rc8 12. cxd5 exd5 13. Qf5 {0-1 (41) Vakhidov,J (2583)-Laznicka,V (2651) Baku 2016}) 8. Rd1 c6 9. Be2 $146 {White is slightly better.} ({Predecessor:} 9. a3 Bd6 10. Be2 Qc7 11. h3 h6 12. O-O dxc4 13. Bxc4 e5 14. dxe5 Nxe5 15. Nxe5 Rxe5 {0-1 (42) Lehmann,C-Lorson,S Germany 1996}) 9... Qe7 10. O-O Bd6 11. Rfe1 e5 12. dxe5 Nxe5 13. cxd5 cxd5 14. Nb5 Bg4 (14... Bb8 $14) 15. Nxd6 $16 Qxd6 16. Bc3 Nxf3+ 17. Bxf3 Bxf3 18. gxf3 Qe6 19. Kg2 Rac8 20. Rd4 Rc6 21. Qd3 Nh5 ({Better is} 21... b6 $14) 22. Rh4 Qg6+ 23. Qxg6 hxg6 24. Rd1 Nf6 25. Rb4 b6 26. Ra4 a5 27. Ra3 Rc5 28. Rb3 Re6 29. Bd4 Rcc6 30. Rb5 Kf8 31. Rd3 Ke8 32. Rdb3 {[%cal Rd4b6]} Nd7 33. Rxd5 f6 34. f4 Kd8 35. Ra3 Red6 36. Rb5 Rc2 37. b4 axb4 38. Rxb4 Kc7 (38... Nc5 $142 39. Ra7 Nd7) 39. Ra7+ Kc6 (39... Kb8 $142 40. Rba4 Nc5) 40. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ra2 (40... Kd5 $142 41. a5 bxa5 42. Rxa5+ Ke6) 41. e4 $18 Re6 42. Rc4+ Kd6 $2 {[#]} (42... Nc5) 43. Be3 Nc5 (43... Re7 {keeps fighting.} 44. Rcc7 Rb2) 44. a5 {White is clearly winning.} Nxe4 45. axb6 Rb2 46. Rac7 {Precision: White = 81%, Black = 40%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "David, Alberto"]
[Black "Carow, Annelen"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2566"]
[BlackElo "2135"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,0,0,11,0,10,0,12,3,34,35,27,44,52,14,18,21,35,32,29,25,14,15,23,17,70,31,97,20,73,61,254,237,250,172,246,266,316,286,379,391,360,235,232,201,210,56,215,247,196,220,240,254,234,220,564,279,220,120,29997,29998]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. O-O Bg7 7. c3 {[%cal Bc2c3,Bc3b4,Bb4b5][%mdl 32]} e5 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} (7... O-O 8. Re1 e5 9. a3 d6 10. b4 Be6 11. b5 Nb8 12. c4 h6 13. Nc3 Nd7 14. Nd5 a6 15. Rb1 axb5 16. Rxb5 b6 17. Qb3 Ra6 18. Bd2 {½-½ (39) Carlsen,M (2832)-Grischuk,A (2750) chess.com INT 2017}) 8. a4 O-O 9. Na3 d6 {The position is equal.} 10. Rb1 h6 11. b4 cxb4 $146 ({Predecessor:} 11... b6 12. b5 Nb8 13. d4 Be6 14. h3 f6 15. Qe2 {1-0 (37) Britton,R (2219)-Willow,J (2146) Doncaster 2017}) 12. cxb4 Bg4 13. h3 Be6 14. b5 $36 {[%mdl 2048] White has good play.} Nd4 15. Nxd4 exd4 16. Re1 Qd7 17. Kh2 Rac8 18. Bd2 f5 (18... h5 $11) 19. f4 h5 (19... fxe4 $14 20. dxe4 Rc7) 20. Rb4 (20. b6 $16) 20... h4 (20... fxe4 $11 {keeps the balance.} 21. dxe4 Kh7) 21. gxh4 $16 {[%cal Bg3h4,Bh4h5][%mdl 32]} Kf7 $2 (21... fxe4 $14 22. dxe4 Rc5) 22. Nc2 $18 fxe4 {Strongly threatening ...e3.} 23. dxe4 Rc4 (23... d3 $142 24. Nd4 Bc4) 24. h5 Qc7 25. Rxc4 Bxc4 26. Na3 Ba2 27. Qe2 Qc5 28. Qd3 Qxh5 29. Bb4 $2 (29. Nc4 $18) 29... Rd8 $2 (29... Rc8 $1 $14) 30. Nc4 Qh4 31. Rf1 Bxc4 32. Qxc4+ Ke8 33. e5 dxe5 $2 (33... Bh6 {is tougher.}) 34. fxe5 (34. Bxb7 $142 {Qe6 is the strong threat.} Bh6 35. Qe6 (35. Bc6+ Kf8 $16) 35... Bxf4+ 36. Kh1) 34... Bxe5+ 35. Kh1 ({Better is} 35. Kg1 $18 {And now Qe6 would win.} Qg5 {[#]} 36. b6 $1 {[%mdl 512]}) 35... Qg3 $2 {[%mdl 8192] [#]} (35... Rd6 $16 36. Qf7+ Kd7) 36. Qf7+ {Precision: White = 44%, Black = 18%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Demuth, Adrien"]
[Black "Simonetto, Andrea"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2551"]
[BlackElo "2135"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,20,54,36,62,60,61,47,71,72,75,68,86,53,91,84,84,83,72,49,69,8,24,3,5,3,3,3,11,11,20,-6,89,79,72,69,114,123,214,99,117,89,112,91,182,172,174,191,181,166,242,230,222,204,281,283,262,262,431,431,428,425,935,935,901,873]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Nc6 5. d4 a6 {LiveBook: 3 Games} 6. b3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bd6 7. c4 O-O 8. Bb2 {White is slightly better.} Re8 9. Nbd2 Bf8 $146 ({Find the theoretical novelty and annotate with similar games:} 9... b6 10. Qc2 Bb7 11. a3 e5 12. e3 exd4 13. exd4 Bf8 14. Rad1 {1-0 (46) Salomon,J (2444)-Vea,O (2271) Gibraltar 2016}) 10. Qc2 Nb4 11. Qb1 a5 12. a3 Na6 13. e4 c5 14. e5 Nd7 {[%cal Bf6d7,Bd7b6,Bb6c4][%mdl 32]} 15. Re1 (15. dxc5 $14 Bxc5 16. Bc3) 15... a4 16. bxa4 Nb6 17. Qc2 Bd7 18. a5 Nxc4 19. Nxc4 dxc4 20. Rad1 Be7 (20... Bc6 $11 {keeps the balance.}) 21. Nd2 {[%cal Bf3d2,Bd2c4,Bc4d6][%mdl 32]} ({Don't play} 21. Qxc4 $6 Qxa5 22. Nd2 Bb5 $11) 21... c3 22. Qxc3 {d5 is the strong threat.} cxd4 23. Qxd4 Bc5 {[#]} (23... Nc5 $16 {was worth a try.}) 24. Qf4 (24. Qg4 $1 $18 {and the rest is easy.}) 24... Qxa5 $16 25. Nc4 Qb5 26. Ba1 Rac8 (26... Rf8 $16) 27. Nd6 $18 Bxd6 28. exd6 {Black must now prevent Rb1.} Rc4 29. Bf1 Rec8 (29... Rxf4 $142 30. Bxb5 Bxb5) 30. Bxc4 $40 {[%mdl 128] White wants a kill.} Rxc4 31. Rb1 Qd5 32. Qe5 Qxe5 33. Bxe5 Nc5 $2 {[#]} (33... b5 34. Rec1 Rxc1+ 35. Rxc1 f6) 34. Rec1 {White is clearly winning.} Rxc1+ 35. Rxc1 Nd3 (35... b6 $142 36. Bd4 Kf8 37. Bxc5 bxc5 38. Rxc5 Ke8) 36. Rc7 Nxe5 37. f4 {Precision: White = 63%, Black = 35%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Antal, Gergely"]
[Black "Doll, Stefan"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2540"]
[BlackElo "2133"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,7,14,50,45,45,38,42,63,49,39,75,87,81,70,77,68,98,89,94,90,189,176,182,165,216,220,220,218,246,119,233,225,210,239,632,642,1130,1128,1097,1116]} 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 a6 5. Nge2 Nc6 6. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} d6 7. O-O Be6 8. Nd5 {LiveBook: 24 Games. C26: Vienna Game: 2...Nf6, sidelines} Nb8 (8... Nd4 9. Nxd4 Bxd4 10. c3 Ba7 11. d4 c6 12. Nxf6+ Qxf6 13. Be3 O-O 14. f4 exd4 15. cxd4 Rfe8 {½-½ (33) Bachmann,A (2593)-Ragger,M (2698) Berlin 2015}) 9. d4 Ba7 10. c3 $146 {White is slightly better.} ({Predecessor:} 10. h3 Nbd7 11. Kh2 c6 12. Ne3 exd4 13. Nxd4 Nc5 14. Ndf5 O-O 15. Nxd6 Qc7 16. e5 Rad8 17. exf6 Rxd6 18. Qh5 Re8 19. Qg5 {1-0 (19) Zlatanovic,B (2412)-Ozturk,H (1848) Skopje 2013}) 10... c6 11. Nxf6+ Qxf6 12. f4 {Hoping for fxe5.} Bg4 13. fxe5 Qxe5 14. Be3 Qe7 15. h3 Bh5 16. g4 Bg6 17. Ng3 $36 {[%mdl 2048] White is really pushing.} d5 (17... O-O $16) 18. Nf5 Bxf5 19. Rxf5 Nd7 {[#]} (19... dxe4 $142 20. Qb3 O-O) 20. Bg5 $1 $18 {[%cal Rg5e7]} f6 21. exd5 fxg5 22. dxc6 (22. Qf1 $18 {and White stays clearly on top. Black must now prevent Re1.} Qd6 23. Re1+ (23. dxc6 bxc6 24. Qc4 Rc8 $11) 23... Kd8 24. Re6) 22... bxc6 (22... O-O-O $16 {was necessary.}) 23. Bxc6 O-O-O {[#]} 24. Qf1 $1 {[%cal Rf1a6][%mdl 1024] White has strong compensation.} Qe3+ $2 (24... Nb8) 25. Kg2 {White is clearly winning.} Nb8 26. Re1 Qd2+ 27. Re2 {Precision: White = 74%, Black = 31%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Kuljasevic, Davorin"]
[Black "Brem, Stephan"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2538"]
[BlackElo "2129"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,30,62,66,125,117,148,128,147,150,139,132,132,132,134,130,130,129,131,128,128,124,202,202,279,287,290,267,421,396,393,379,368,373,402,399,456,133,570,570,558,544,641,633,753,520,515,516,515,515,507,492,485,472,530,518]} 1. d4 Nc6 2. Nf3 d5 3. g3 Bg4 4. Bg2 e6 5. O-O f5 (5... Bd6 6. c4 Nf6 7. Nc3 O-O 8. cxd5 Nxd5 9. e4 Nb6 10. h3 {½-½ (10) Banusz,T (2612)-Ivanisevic,I (2641) Sibenik 2016}) 6. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nf6 ({Black should play} 6... Bxf3 $14 7. Bxf3 Qd7) 7. Ne5 $146 ({Predecessor:} 7. Nc3 Be7 8. Ng5 Qd7 9. Nxe6 dxc4 10. d5 Nd8 11. Nxg7+ Kf7 12. Ne6 Nxe6 13. dxe6+ Qxe6 14. Bxb7 {½-½ (67) Vall de Vilaramo,J (2175)-Ibanez Tarradellas,E (2246) Spain 2004}) 7... Be7 8. Nc3 {White is clearly better.} O-O 9. Nxg4 fxg4 10. cxd5 exd5 11. Bg5 Kh8 12. Bxf6 Bxf6 13. e3 ({Reject} 13. Bxd5 $6 Nxd4 14. e3 Nf3+ 15. Bxf3 gxf3 $11) 13... Ne7 14. Qxg4 c6 15. b4 b5 (15... a6 $16 {was necessary.} 16. Ne2 Qc8) 16. a4 $18 {[%cal Ba2a4,Ba4b5][%mdl 32]} Qd6 17. axb5 Qxb4 18. Rfc1 c5 (18... cxb5 {keeps fighting.} 19. Nxd5 Nxd5) 19. Rab1 Qa3 20. Nxd5 Nxd5 21. Bxd5 Rad8 22. Be4 {Hoping for Qh3.} cxd4 23. Rc7 $2 (23. Qh3 $18 {[%csl Ge4][%cal Rh3h7]} g6 24. Rc7) 23... Rde8 $2 {[%mdl 8192] [#]} (23... Qa2 $16 24. Qh5 h6) 24. Qf5 $1 {[%csl Ge4][%cal Rf5h7] White is clearly winning.} Rxe4 25. Qxe4 dxe3 26. Qxe3 Qd6 27. Qc5 Qxc5 28. Rxc5 Bd4 29. Rc2 Kg8 30. Rd1 Bb6 31. Rd5 h6 32. Kg2 {Precision: White = 74%, Black = 28%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Lampert, Jonas"]
[Black "Boelhouwer, Collin"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2532"]
[BlackElo "2127"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,29,22,15,22,13,14,12,12,13,31,14,30,19,16,33,27,15,27,20,63,17,72,74,110,95,100,101,252,247,256,208,300,296,330,327,438,338,699,683,652,306,291,283,310,325,389,310,360,361,395,268,370,330,357,373,431,426]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. Bg2 O-O 7. Nf3 d5 {LiveBook: 12 Games. E11: Bogo-Indian} (7... d6 8. O-O Nc6 9. a3 Re8 10. axb4 Nxb4 11. Nc3 Bd7 12. Qb3 a5 13. Ne1 Bc6 14. Nd3 Bxg2 15. Kxg2 Nxd3 16. exd3 b6 17. Nb5 Qd7 18. Qa3 Qc6+ 19. f3 Red8 20. Rfe1 h6 {½-½ (51) Vidit,S (2715)-Moiseenko,A (2667) Riadh 2017}) 8. a3 Nc6 $146 ({Predecessor:} 8... Qa5 9. O-O dxc4 10. Nbd2 b5 11. axb4 Qxb4 12. Ng5 Nd5 13. e4 Ne7 14. e5 Nd5 15. Be4 {½-½ (26) Rousek,J (1633)-Chaloupka,J (1730) Prague 2015}) 9. axb4 Nxb4 {The position is equal.} 10. O-O b6 11. cxd5 Nbxd5 12. Re1 Bb7 13. e4 Nb4 14. Nc3 a5 15. Qd2 Rc8 16. Rad1 Ba6 17. Bh3 Rc7 (17... Nd7 $11 {remains equal.}) 18. d5 $16 exd5 19. exd5 {[%cal Be4d5,Bd5d6][%mdl 32]} Qd6 20. Nd4 {And now Ndb5 would win.} Qc5 $2 {[#]} (20... Qd8 $16) 21. Nf5 $1 $18 Bd3 22. d6 $40 {[%mdl 128] Black is in trouble.} Ra7 (22... Bxf5 $142 23. Bxf5 Rc6) 23. Qf4 Bxf5 24. Bxf5 ({Weaker is} 24. Qxf5 Qxf5 25. Bxf5 Rd8 $16) 24... g6 25. d7 Raa8 $2 (25... Qxf5 26. Qxf5 gxf5) 26. Be4 Nh5 27. Qd6 (27. Bxa8 $142 Nxf4 28. gxf4 (28. d8=Q Nh3+ 29. Kg2 Nxf2 $16)) 27... Qxd6 28. Rxd6 Rad8 29. Na4 f5 30. Bb7 Nf6 31. Nxb6 Rf7 32. Bc8 Kf8 33. Re5 f4 34. gxf4 Ng4 {[#]} 35. Re8+ $1 {Precision: White = 66%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Schneider, Ilja"]
[Black "Thomas, Ingo"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2513"]
[BlackElo "2127"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,61,31,37,53,48,65,45,86,37,83,86,83,80,122,114,141,103,87,73,95,93,100,97,154,146,135,124,121,116,121,121,235,217,334,333,322,304,291,252,348,332,300,293]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. a3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (8. g3 Nbd7 9. Qe2 Bb4 10. Bd2 Bxc3 11. Bxc3 Ne4 12. cxd5 exd5 13. Bg2 f5 14. f3 Nxc3 15. bxc3 Qg5 {0-1 (37) Antipov,M (2598)-Artemiev,V (2697) Moscow 2018}) 8... Nbd7 9. g3 Be7 10. b3 O-O 11. Bg2 {LiveBook: 10 Games} a6 12. O-O b5 13. Qe2 $146 ({Predecessor:} 13. cxd5 cxd5 14. Qd3 Qb6 15. Bd2 Rac8 {½-½ (51) Beinoras,M (2404)-Vaznonis,V (2389) Lithuania 2014}) 13... Nb6 {[%cal Rb5c4]} 14. a4 b4 15. Nb1 {[%cal Bc3b1,Bb1d2,Bd2e4][%mdl 32]} c5 16. Bb2 Qd7 17. Rd1 Rfd8 18. Nd2 a5 19. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Rac8 20. cxd5 exd5 21. e5 {And now dxc5 would win.} Ne8 {[#]} (21... c4 $142) 22. dxc5 $1 $16 Bxc5 23. Ne4 Be7 24. Bd4 Qe6 25. Nd2 $36 {[%mdl 2048] White is really pushing.} Rc2 (25... Nd7 $16) 26. Rac1 Rdc8 (26... Rxc1 {might work better.} 27. Rxc1 Nd7) 27. Rxc2 $18 {White has a decisive advantage.} Rxc2 28. Qb5 Nd7 29. Qxd5 Nc7 30. Qe4 Qf5 31. g4 {Precision: White = 68%, Black = 28%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Valsecchi, Alessio"]
[Black "Reck, Moritz"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2510"]
[BlackElo "2126"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,33,68,55,137,138,809,778,2024,2008,1831,1799,1608,1475]} 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. g4 f5 8. gxf5 gxf5 9. Qh5+ Ng6 10. exf5 Qh4 11. Qf3 {A42: Modern Defence: Averbakh Variation} (11. Qxh4 Nxh4 12. Nb5 Kd8 13. Nxa7 Bd7 14. Nb5 Nxf5 15. Nc3 Nxe3 16. fxe3 Bh6 17. Nd1 c6 18. Ne2 cxd5 19. cxd5 Nf6 20. Nec3 {0-1 (42) Argandona Riveiro,I (2387)-Mamedyarov,S (2733) San Sebastian 2011}) 11... Nf4 12. Nh3 {LiveBook: 3 Games. Black must now prevent Rg1.} Nxh3 (12... Bxf5 $14 13. Rg1 (13. Bxf4 exf4 14. Nxf4 Ne7 $11) 13... Bf6) 13. Bxh3 $16 {White is clearly better.} Qxc4 $2 {[%mdl 8192]} (13... Bh6 $16) 14. Rg1 $18 {White is clearly winning.} e4 $146 ({Predecessor:} 14... Bf6 15. Qh5+ Ke7 16. Bg5 {1-0 (16) Munk,P-Sustr,J Czechia 1997}) 15. Qh5+ Kf8 {[#]} 16. Rxg7 $1 {[%mdl 512]} Kxg7 17. O-O-O 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Ider, Borya"]
[Black "Tscharotschkin, Michael"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2505"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,43,43,47,44,42,43,81,100,107,63,47,-20,94,94,93,99,174,181,211,213,346,348,456,464,514,511,466,432,430,425,475,472,536,374,409,413,468,445,442,377]} 1. d4 d5 2. Nf3 c6 3. Bf4 Bf5 4. c3 e6 5. Qb3 Qb6 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nd7 7. Nh4 Bg6 (7... Be4 8. f3 Bg6 9. e4 Be7 10. Nxg6 hxg6 11. Bd3 Ngf6 12. O-O-O Qxb3 13. axb3 {½-½ (50) Dolezal,C (2426)-Valerga,D (2452) Buenos Aires 2017}) 8. Nxg6 hxg6 9. e3 Ngf6 10. h3 {LiveBook: 3 Games} c5 $146 ({Predecessor:} 10... Be7 11. Be2 O-O 12. g4 c5 {1-0 (50) Wolf,U (2255)-Becker,M (2080) Germany 1996}) 11. Be2 c4 12. Qxb6 Nxb6 13. b3 Rc8 14. bxc4 dxc4 15. e4 (15. Rc1 $14) 15... Ba3 {[#]} (15... Na4 $1 $11) 16. Rb1 $1 $16 {[%cal Ba1b1,Bb1b5,Bb5a5][%mdl 32]} O-O 17. Kd1 {[%cal Be1d1,Bd1c2,Bc2c3,Bc3b2,Bb2b3][%mdl 32]} Rfd8 (17... Na4 $16 18. Kc2 b6) 18. Kc2 $18 Rd7 19. Rb5 Na4 (19... Be7 $142 20. Rhb1 Bd8) 20. Ra5 Nxc3 21. Kxc3 Bb2+ 22. Kxb2 c3+ 23. Kb3 cxd2 24. f3 Rxd4 25. Be3 Rd7 26. Rd1 b6 27. Ra4 Rcd8 28. Bb5 Rc7 29. Rxd2 {Precision: White = 65%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Riff, Jean-Noel"]
[Black "Zimmer, Rolf"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2503"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,32,34,23,28,37,36,37,8,70,51,77,53,87,75,85,69,207,209,203,139,160,148,200,175,214,175,216,218,205,204,189,191,187,168,229,220,327,314,304,309,238,188,166,171,195,70,132,0,0,0,0,0,0,0,87,92,102,94,266,248,295,295,799,537,695]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 d5 8. e5 Nd7 {[%cal Rd7e5] B31: Sicilian: 2...Nc6 3 Bb5 g6} (8... Ne8 9. d4 cxd4 10. Bxc6 bxc6 11. cxd4 Nc7 12. Nc3 Ne6 13. Be3 f5 14. exf6 exf6 15. Qd2 Qa5 16. Bh6 Bxh6 17. Qxh6 Bd7 18. Re2 Rae8 19. Rae1 Qb4 20. Qd2 {½-½ (59) Suran,J (2421)-Roubalik,J (2400) Czech Republic 2016}) 9. d4 e6 10. a4 Qc7 $146 {White is slightly better.} ({Predecessor:} 10... a5 11. Bg5 Qc7 12. Na3 Na7 13. Be7 Re8 14. Bd6 Qb6 15. dxc5 Qd8 16. Qd2 {½-½ (64) Soderberg,P (2230)-Ottenklev,N (2176) Sweden 2009}) 11. Bg5 Re8 (11... a6 $11 12. Bxc6 Qxc6) 12. Na3 c4 13. Nc2 h6 14. Bf4 Nf8 15. Qd2 Kh7 (15... g5 $14) 16. Ne3 $18 g5 17. Bg3 Ng6 18. Ng4 Qd8 (18... Bd7 $16) 19. a5 Bd7 20. Bxc6 Bxc6 21. h4 $1 gxh4 22. Bf4 $1 Nxf4 23. Qxf4 Qc7 24. Qh2 $1 (24. Nxh4 f5 $14) 24... Qe7 (24... Qd8 $142 25. Qf4 (25. Qxh4 Qxh4 26. Nxh4 Reb8 $11) 25... Qc7) 25. Re3 $1 ({And not} 25. Qxh4 Qxh4 26. Nxh4 b6 $11) 25... Rg8 (25... Rh8 $142 26. Nxh4 Qg5) 26. Nxh4 Qg5 27. Rg3 $1 Qh5 28. Qh3 Raf8 29. Re1 Ba4 30. Ree3 (30. f3 $1 $18) 30... Bd1 (30... Bc2 $1 $14) 31. Nf6+ (31. f3 $1 $16) 31... Bxf6 $1 $11 32. exf6 Bg4 33. Qh2 Bf5 {( -> ...Qd1+)} 34. f3 Rxg3 (34... Rg5 $1 $11 {keeps the balance.}) 35. Qxg3 $16 {[%csl Gf6][%cal Rg3g7]} Rg8 36. Qf4 Bc2 $2 (36... Qg5 $16 37. Qxg5 Rxg5) 37. Re5 $18 Rg5 {[#]} 38. Rxe6 $1 {[%mdl 512]} Bf5 $2 (38... fxe6 39. f7 {[#]} Rg8 $1 {[%mdl 512]} 40. fxg8=N (40. fxg8=B+ Kxg8 41. Qb8+ Kg7 $18) 40... Kxg8 41. Qb8+ Kg7) 39. Re5 Bg4 {Precision: White = 76%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Noe, Christopher"]
[Black "Levrand, Roland"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2494"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,111,45,47,47,75,60,67,8,50,0,0,0,0,-25,0,0,35,0,33,29,25,22,62,22,31,31,45,47,32,49,54,23,32,60,197,192,193,197,376,384,367,362,360,360,333,220,327,276,247,219,466,485,540,476,454,470,450,426,435,428,433,426,409,393,389,359,495,487,486,486,471,471,439,337,336,251,402,393,1639,1427,1396,921,881,1298,2213,2383,1688,1643,29982,29983,29983,29984,29997,29998]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 O-O 5. Nc3 c6 6. Bd3 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} d5 7. cxd5 cxd5 8. e5 Nfd7 9. f4 Nc6 10. Nf3 Nb6 {LiveBook: 3 Games} 11. h3 f6 $146 {[#]} ({Predecessor:} 11... Bf5 12. Bxf5 gxf5 13. g4 Qd7 {1-0 (39) Nyback,T (2551)-Jenni,F (2491) playchess.com INT 2005}) 12. O-O $1 Be6 13. exf6 (13. b3 $14) 13... Bxf6 14. Ne2 Nc4 15. b3 Nd6 16. g4 Qb6 {[%cal Rc6d4]} 17. Be3 a5 18. Kg2 a4 19. bxa4 Qa5 20. Qb1 Nc4 21. Bf2 {Threatens to win with Bxg6!} Bf7 22. f5 $36 {[%cal Rf5g6][%mdl 2048] Black is under pressure.} Nd2 23. Nxd2 $1 (23. Qxb7 Nd8 $11) 23... Qxd2 24. fxg6 hxg6 25. Rd1 Qg5 26. Qxb7 Rfc8 {[#]} ({Better is} 26... Na5 $1 $14 27. Qc7 e5) 27. Rac1 $1 $18 {[%cal Rc1c6]} Be8 28. Qb3 Rcb8 $2 (28... Na5 29. Rxc8 Rxc8) 29. Bb5 Na5 30. Qf3 Bg7 31. h4 Qf6 32. Qxf6 Bxf6 (32... exf6 {was worth a try.} 33. Rc7 Bxb5 34. axb5 Rxb5) 33. Bxe8 Rxe8 34. Nf4 g5 $2 (34... Nc4 35. g5 (35. Nxd5 Rxa4 36. Re1 Nd6 $18) 35... Bg7 36. Nxg6 Rxa4) 35. Nxd5 Rab8 36. Rc5 Nb7 37. Rc6 gxh4 38. Rxf6 ({Don't play} 38. Nxf6+ exf6 39. Bxh4 Nd8 $18) 38... exf6 39. Nxf6+ Kf7 40. Nxe8 Rxe8 {[%mdl 4096] Endgame KRB-KRN} 41. Rb1 Nd6 42. Bxh4 Re2+ 43. Kf3 Rxa2 44. Rb4 Ke6 45. Bg3 Ra3+ 46. Kg2 {Rb6 is the strong threat.} Ne4 47. Bc7 Kd7 $2 (47... Nf6 {keeps fighting.} 48. Rb6+ Kf7) 48. Be5 Nc3 $2 (48... Ke8 49. d5 Nc5) 49. g5 Nd5 50. Rb7+ Ke6 51. g6 Rxa4 52. g7 Ra8 53. Bb8 Ra2+ 54. Kh3 {White mates.} Ra3+ 55. Kh4 Ra1 56. g8=Q+ {Precision: White = 70%, Black = 23%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Firat, Burak"]
[Black "Hoffmann, Sebastian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2453"]
[BlackElo "2108"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.28"]
[Round "1"]
[White "Keymer, Vincent"]
[Black "Maedler, Thomas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2403"]
[BlackElo "2087"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "1"]
[White "Martin, Stefan"]
[Black "Bacrot, Etienne"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2152"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,108,35,16,22,9,39,-11,-12,-31,-18,0,-10,-39,-45,-63,0,0,26,15,60,-62,-59,-61,-47,-122,-108,-109,-116,-132,-105,-93,-56,-53,-47,-54,-53,-57,0,-704,-673,-666,-580,-675,-639,-635,-625,-599,-533,-597,-602,-614,-173,-177,-177,-177,-177,-177,-177,-173,-173,-171,-171,-171,-164,-164,-164,-167,-164,-248,-207,-207,-207,-460,-207,-207,-202,-460,-460,-460,-460,-431,-416,-416,-416,-29952,-29952,-29961,-29961,-29957,-29947,-5679,-5285]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Nc3 O-O 8. Qc2 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} (8. Bf4 d6 9. Qc2 Nbd7 10. Rad1 Qe7 11. e4 e5 12. Bc1 Rfe8 13. Nd5 Nxd5 14. cxd5 Rac8 15. dxe5 dxe5 {½-½ (68) Wang,Y (2690)-Mamedyarov,S (2804) chess.com INT 2018}) 8... d5 9. Ne5 c6 10. Rd1 {LiveBook: 3 Games. White is slightly better.} Nbd7 11. e4 Rc8 12. b4 $146 ({Predecessor:} 12. Bg5 h6 13. Nxd7 Qxd7 14. Bxf6 Bxf6 15. e5 Bg7 {1-0 (44) Laplaza Ara,C (2011)-Gimeno Garcia,D (1948) Aragon 2012}) 12... Nxe5 13. dxe5 {Bg5 is the strong threat.} Nd7 14. f4 {[%cal Re4d5]} dxc4 15. Qe2 b5 16. Be3 a6 (16... a5 $15 17. bxa5 Ra8) 17. Rd6 $11 c5 18. Rad1 Bc6 19. Bxc5 (19. Nd5 $1 $14) 19... Qc7 $15 20. Be3 Rfe8 21. Qd2 {[#]} ({White should try} 21. Rb1 $15) 21... Bf8 $1 $17 22. h4 a5 23. a3 {[%cal Rd6d7]} ({Don't play} 23. Rxd7 Bxd7 24. Qxd7 Qxd7 $15) 23... axb4 24. axb4 {[%cal Rd6d7]} Ra8 {Hoping for ...Ra3.} 25. Rxd7 Bxd7 26. Qxd7 Qxd7 27. Rxd7 Reb8 $1 28. Bc5 $2 {[%mdl 8192]} (28. f5 $11) 28... Bxc5+ $19 29. bxc5 b4 30. Ne2 b3 31. c6 b2 32. Nc3 b1=Q+ 33. Nxb1 Rxb1+ {[%mdl 4096] Endgame KRR-KRB} 34. Bf1 {And now c7 would win.} c3 $2 (34... Rc8 35. Rd2 Rc1) 35. c7 {aiming for Rd8+.} c2 36. Rd8+ Kg7 37. c8=Q Rxc8 38. Rxc8 c1=Q 39. Rxc1 Rxc1 {KR-KB} 40. Kf2 Rc3 41. Be2 h6 42. Bf3 Kf8 43. h5 (43. Be2 $142) 43... g5 44. Bg4 Ke7 45. Bf3 $2 (45. Bd1 {was called for.}) 45... Ra3 (45... gxf4 $142 46. gxf4 Kd7) 46. Be2 Kd8 47. Bg4 $2 (47. fxg5 hxg5 48. h6) 47... gxf4 48. gxf4 Kd7 49. Bf3 Kc6 50. Bg4 Rc3 51. Bd1 {[#]} (51. Kg2 $19 Kc5 52. f5) 51... Kc5 52. Ba4 Kd4 53. Be8 Kxe4 54. Bxf7 Kf5 {Precision: White = 29%, Black = 64%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Bathray, Johannes"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2148"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,0,0,-8,6,0,16,-5,17,-8,17,11,13,20,24,14,14,31,110,133,126,119,156,118,111,124,128,126,124,145,118,82,91,90,78,73,79,75,72,46,51,41,45,39,50,29,47,9,9,10,42,14,35,36,56,31,38,30,58,8,11,12,29,11,13,19,19,19,91]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d5 6. e3 c5 7. dxc5 Nc6 8. Be2 Bxc5 9. O-O {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} Qe7 (9... a6 10. a3 Bd6 11. Rd1 dxc4 12. Bxc4 Qc7 13. h3 h6 14. e4 Ne5 15. Be2 b5 16. Be3 Bb7 {0-1 (29) Mamedjarova,T (2269)-Kosintseva,T (2513) Dresden 2008}) 10. Rd1 Rd8 11. Bd2 $146 ({Find the theoretical novelty and annotate with similar games:} 11. a3 dxc4 12. Rxd8+ Qxd8 13. Bxc4 a6 14. b4 Ba7 15. Bd3 Bd7 16. Bb2 Rc8 17. Rd1 Qe7 18. Qb1 b5 19. Ne2 e5 20. Ng5 h6 21. Ne4 {½-½ (21) Eilenberg,J (1485)-Witte,R (2016) Kreuzberg 2016}) 11... a6 12. Rac1 d4 13. exd4 Bxd4 14. Bg5 {[%cal Bd2g5,Bg5h4,Bh4g3][%mdl 32]} h6 15. Bh4 g5 16. Bg3 Ba7 (16... e5 $14) 17. Rxd8+ $16 Qxd8 18. Rd1 Qa5 19. a3 g4 {[#]} 20. Nd2 $1 Nd4 21. Nb3 Nxc2 22. Nxa5 {Black must now prevent Nb3.} Nd4 23. Be5 Nxe2+ 24. Nxe2 Nd7 25. Bf4 Nf8 26. b4 {Threatens to win with c5.} Bb6 27. c5 Bxa5 $1 28. bxa5 Bd7 29. Bxh6 Bc6 30. Be3 f6 31. Nd4 Rd8 {[#] ...e5 is the strong threat.} 32. Rd2 Ba4 33. f3 gxf3 34. Nxf3 Rc8 35. g4 Nd7 36. g5 Bc6 37. Kf2 fxg5 38. Nxg5 Ne5 39. Nxe6 Re8 {The position is equal.} 40. Rd8 Rxd8 41. Nxd8 {And now Bd4 would win.} Bd5 {Precision: White = 36%, Black = 40%.} (41... Ng4+ $1 $11 42. Ke2 Nxh2) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Karsay, Pascal"]
[Black "Kasimdzhanov, Rustam"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2148"]
[BlackElo "2676"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,0,0,-4,0,0,10,-23,-8,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-6,22,18,17,23,81,111,381,370]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bc4 O-O 8. O-O Bg4 {LiveBook: 4 Games. B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} (8... Re8 9. c3 Bg4 10. h3 Bh5 11. Be2 Nd7 12. Re1 f5 13. Bd2 Nf6 14. Bg5 h6 15. Bxf6 Qxf6 16. Nd2 {1-0 (80) Almasi,Z (2684)-Kreisl,R (2448) Baku 2016}) 9. Re1 Nd7 10. c3 b5 $146 {The position is equal.} ({Predecessor:} 10... Qc7 11. h3 Bh5 12. Qd3 Rad8 13. Nh4 c5 14. g4 Bg6 15. Nxg6 hxg6 16. Qxg6 {1-0 (34) Miranda,R (2085)-Mahia,G (2377) Buenos Aires 2013}) 11. Bb3 Nb6 12. Qd3 Qd7 13. Bc2 {[%csl Gc2][%cal Rd3h7] [#]} g6 $1 14. Bh6 Rfe8 15. Nd2 Bf5 16. Ne4 Bxe4 17. Rxe4 Rxe4 18. Qxe4 Re8 19. Qf3 f5 20. g3 a5 21. Rd1 Bf8 22. Bc1 h5 23. Bd3 b4 24. c4 Bg7 25. Be3 Bxd4 (25... Qc8 $11) 26. Bxf5 $1 $16 Rxe3 $4 {[%mdl 8192] [#]} (26... Qxf5 $16 27. Qxf5 gxf5 28. Rxd4 Na4) 27. Qxe3 {Precision: White = 90%, Black = 48%.} ({Inferior is} 27. fxe3 Bxe3+ 28. Kg2 Qxf5 $11) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Klings, Peter"]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2146"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,56,0,-4,3,-13,0,0,-2,-8,-11,-8,-16,-58,-62,-139,-137,-118,-104,-254,-279,-443,-441,-447,-447,-447,-418,-441,-417,-2262,-2095,-2297,-2228,-2575,-2495,-29962,-29963,-29962,-29954,-5027,-4636]} 1. Nf3 Nf6 2. c4 e6 3. e3 b6 4. b3 Bb7 5. Bb2 d5 6. Nc3 {A13: English Opening: 1...e6} Nbd7 7. Be2 (7. g3 Bd6 8. Bg2 O-O 9. O-O Re8 10. Rc1 a6 11. Qe2 dxc4 12. bxc4 b5 13. cxb5 axb5 14. Nxb5 Rxa2 {½-½ (21) Wei,Y (2743)-Giri,A (2752) Wijk aan Zee 2018}) 7... a6 8. O-O Bd6 9. d4 O-O 10. Qc2 {LiveBook: 3 Games} Qe7 11. Rfe1 $146 ({Predecessor:} 11. a3 dxc4 12. bxc4 c5 13. d5 exd5 14. Nxd5 Nxd5 15. cxd5 {0-1 (46) Alekseev,E (2636)-Khismatullin,D (2617) Sochi 2016}) 11... Rad8 12. Rac1 Rfe8 13. a4 c5 14. cxd5 exd5 15. dxc5 bxc5 {White must now prevent ...d4!} 16. Bd3 (16. g3 $15) 16... Ne5 $17 17. Nxe5 Qxe5 18. g3 (18. f4 $17 Qh5 19. Be2) 18... d4 $19 19. exd4 (19. Nb1 $142 Qd5 {[#]} 20. e4 $1 {[%mdl 512]} Nxe4 21. Bxe4 Rxe4 22. Qxe4 Qxe4 23. Rxe4 Bxe4 24. Nd2) 19... Qxe1+ 20. Rxe1 Rxe1+ 21. Bf1 cxd4 22. Ne2 Ng4 23. Qf5 {[#]} (23. Nxd4 $142 Nxh2 24. Kxh2 Rxf1 25. f3 Bxf3 26. Nxf3 Rxf3 27. Bd4) 23... Nxh2 $1 {[%mdl 512]} 24. Kxh2 Rxf1 {[%csl Gb7][%cal Rf1h1]} 25. Ng1 {[#]} Bxg3+ $1 {[%mdl 512]} 26. Kxg3 (26. fxg3 Rxf5) 26... Rxg1+ 27. Kh2 Rg2+ 28. Kh3 Bc8 {Precision: White = 17%, Black = 73%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Schweitzer, Victoria"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2144"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,-27,-11,-25,-11,-4,-6,-33,-22,-38,-47,-67,-53,-54,-54,-66,-59,-61,-71,-74,-76,-190,-186,-300,-308,-299,-295,-276,-215,-310,-191,-188,-200,-237,-178,-210,-199,-202,-191,-194,-167,-213,-193,-265,-254,-380,-386,-422,-411,-411,-396,-391,-374,-509,-479,-486,-459,-611,-662,-1243,-1073,-1167,-1048,-5159,-5407]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bd7 8. Bf4 e5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 9. dxe5 Nxe5 {LiveBook: 40 Games} 10. Qc2 Bd6 {Black has an edge.} 11. Bxe5 Bxe5 12. Nd2 $146 ({Predecessor:} 12. g3 Nf6 13. Nd2 Rc8 14. f4 Bd6 15. h3 O-O 16. O-O-O {0-1 (35) Buehler,R (2242)-Svetushkin,D (2530) Cappelle-la-Grande 2005}) 12... Bxh2 13. O-O-O Ne7 14. Nd4 O-O-O 15. Bb5 Be5 16. Bxd7+ Rxd7 17. Qa4 a6 18. N2b3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 19. g4 (19. Kb1 $17) 19... h4 $19 20. Nf5 (20. Kb1 {is a better defense.}) 20... Nxf5 21. gxf5 Qc4 22. Qa5 Rh6 23. Nd2 (23. Qc5+ $142 Qxc5 24. Nxc5) 23... Qb5 24. Qxb5 axb5 25. Rde1 f6 26. Nb3 Rc7 27. Kd2 Rc4 28. Reg1 Rh7 29. Rg4 h3 30. Ke3 (30. a3 $142) 30... h2 31. Rg2 (31. Rxc4+ {might work better.} dxc4 32. Nd4) 31... b4 32. Na5 Rch4 33. cxb4 Rxb4 34. Nb3 Kb8 35. Rc2 Rh3 {Black is clearly winning.} 36. Rg2 Ra4 37. Rxg7 Bf4+ 38. Kd3 Rxf3+ 39. Kc2 Rf2+ 40. Kb1 Be5 {Precision: White = 35%, Black = 83%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Korba, Roman"]
[Black "Landa, Konstantin"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2142"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,50,-3,0,-11,9,-12,0,-10,24,24,24,0,16,25,40,-6,-6,-11,12,-12,-7,-22,0,-161,-175,-392,-380,-437,-432,-433,-417,-485,-481,-1087,-1075,-1165,-1159]} 1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. c3 Qb6 5. Qb3 c4 6. Qc2 {D00: 1 d4 d5: Unusual lines} g6 7. Nd2 Bf5 8. Qc1 Nc6 {LiveBook: 11 Games} 9. Ngf3 Bg7 10. Be2 O-O 11. h3 Qd8 (11... Rac8 12. O-O Rfe8 {1-0 (52) Wang,Y (2699)-Ghaem Maghami,E (2560) Ashkhabad 2017}) 12. b3 b5 13. a4 $146 a6 14. O-O Qb6 15. Ne5 Nxe5 16. Bxe5 Ne4 17. Bxg7 Kxg7 18. g4 Be6 19. f4 $2 {[#]} (19. Nxe4 $11 {and White stays safe.} dxe4 20. axb5 axb5 21. Qb2 cxb3 22. d5 $1 {[%mdl 512]}) 19... cxb3 $1 $19 20. f5 $2 (20. Nxb3 Rac8 21. axb5 Rxc3 22. Qb2 axb5 23. Nc5 Rxe3 24. Rf3 Rxf3 25. Bxf3) 20... Ng3 21. Bd3 bxa4 22. Rxa4 Nxf1 23. Qxf1 Qc7 {Black is clearly winning.} 24. fxe6 (24. Nxb3 $142 Bd7 25. Ra2) 24... Qg3+ 25. Kh1 fxe6 {Precision: White = 20%, Black = 45%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Koellner, Ruben Gideon"]
[Black "Bindrich, Falko"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2141"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,72,19,0,15,0,0,0,8,0,11,10,10,0,0,0,-5,-6,0,0,0,8,0,-7,0,0,0,0,0,-6,29,-25,-12,-27,-13,-21,0,-59,-70,-70,-66,-151,-104,-107,-96,-99,-98,-83,-79,-175,-177,-272,-212,-312,-300,-369,-354,-356,-356,-400,-393]} 1. d4 Nf6 2. Nf3 e6 3. Nbd2 c5 4. e3 d5 5. c3 Nbd7 6. Bd3 Be7 7. O-O Qc7 {D05: Colle System with ...e6} 8. Re1 {LiveBook: 3 Games} O-O 9. Qe2 b6 {The position is equal.} 10. e4 (10. h3 Bb7 11. Bc2 Rad8 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4 {½-½ (14) Drazic,S (2540)-Pavasovic,D (2574) Nova Gorica 2010}) 10... dxe4 11. Nxe4 Bb7 12. dxc5 Nxc5 13. Nxc5 Qxc5 $146 ({Predecessor:} 13... Bxc5 14. h3 h6 15. Be3 {1-0 (36) Indricean,M-O'Toole,G Budva 2003}) 14. Be3 Qh5 15. Nd4 Qd5 {[%csl Gb7][%cal Rd5g2]} 16. f3 Rad8 17. Rad1 Qh5 18. Bf2 Bd6 19. Bg3 Bxg3 20. hxg3 Qc5 21. Qf2 g6 22. Nb3 (22. g4 $142) 22... Qc7 $11 23. Bc2 Bd5 24. g4 h5 25. Qh4 ({Better is} 25. g5 $11 Nd7 26. f4) 25... Bxb3 $1 $15 26. Bxb3 Qc5+ 27. Kh1 (27. Kf1 $15 Rxd1 28. Rxd1) 27... Rxd1 28. Bxd1 Kg7 $36 {[%mdl 2048] Strongly threatening ...hxg4. Black has strong initiative.} 29. g5 {[#]} Nh7 $1 30. f4 {[#]} Rd8 $1 31. Bf3 (31. Qg3 $17 {was the only chance.}) 31... Rd2 $19 32. Rb1 (32. Re2 $142 Rxe2 33. Bxe2) 32... Qc4 33. a3 {[#]} (33. Qg3 $142) 33... e5 $1 {[%cal Be6e5,Be5f4][%mdl 544]} 34. Re1 (34. fxe5 Qxh4+) 34... Qxf4 {Black is winning.} 35. Qxf4 exf4 36. b3 Nxg5 {Precision: White = 26%, Black = 75%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Pfatteicher, Lukas"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2140"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,72,17,22,-51,18,29,18,25,55,53,58,10,10,9,16,0,0,0,-12,-40,-8,-12,0,0,0,-43,-47,-69,-75,-60,-64,-100,-107,-127,-104,-271,-266,-417,-426,-487,-468,-443,-459,-450,-458,-29995,-29994,-29996,-29995,-29995,-29995,-29996,-29996]} 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. h3 exd4 10. Nxd4 Re8 11. Bf1 Nc5 {[%cal Rf6e4] LiveBook: 10 Games} 12. f3 {E95: King's Indian: Classical: 7...Nbd7 8 Re1} (12. Qc2 $11) 12... Nh5 ({Black should play} 12... Qb6 $1 $15) 13. Be3 $11 Be5 14. Qd2 {The position is equal.} Qh4 {[#] ...Qg3 is the strong threat.} (14... Ng3 15. Nde2 Nxe2+ 16. Rxe2 a5 17. Rd1 Be6 18. Ree1 a4 19. Bd4 Qf6 20. Bxe5 dxe5 {0-1 (36) Kastelic,M (2254)-Damljanovic,B (2543) Slovenia 2017}) 15. Nce2 $1 Ng3 16. Bf4 $146 (16. Bg5 $5 {[%cal Rg5h4]} Qh5 17. Nxg3 Bxg3 18. Be2 Bxh3 19. gxh3 $14) ({Predecessor:} 16. Bg5 Qh5 17. Nxg3 Bxg3 18. Red1 Rxe4 19. Ne2 Be5 {1-0 (30) Sharief,N-Popovych,O (2265) Philadelphia 1993}) 16... Nxe2+ 17. Nxe2 {next Bg5 is good for White.} Qf6 18. Bg5 Qh8 19. Rab1 f5 20. Nc3 fxe4 21. Nxe4 Nxe4 22. fxe4 Be6 23. Qc2 Rf8 24. b3 Bg3 25. Re2 Qe5 $36 {[%mdl 2048] Black fights for an advantage.} 26. Bd2 Qh5 {Hoping for ...Rxf1+!} 27. Be3 Rf7 {White must now prevent ...Raf8.} 28. Rd2 $2 (28. Qd2 $17) 28... Raf8 $19 29. Qd3 (29. Rd3 $142) 29... Qh4 30. Bd4 Be1 31. Be2 Bxd2 32. Qxd2 {[#]} Bxh3 $1 33. gxh3 (33. Bf1 $19 c5 34. Be3) 33... Qg3+ {Black mates.} 34. Kh1 Qxh3+ 35. Kg1 Qg3+ 36. Kh1 Rf4 {Precision: White = 28%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Gress, Alexander"]
[Black "Lagarde, Maxime"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2139"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,58,24,28,27,44,0,0,0,-8,-44,-15,-156,-156,-162,-151,-139,-131,-149,-117,-222,-226,-234,-100,-259,-267,-249,-222,-373,-372,-436,-388,-1249,-1243,-1228,-1216,-1585,-1602]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Be3 {B33: Sicilian: Pelikan and Sveshnikov Variations} Qc7 9. Bd3 (9. f4 d6 10. g4 b5 11. g5 Nd7 12. h4 Bb7 13. h5 Nb6 14. Qf3 b4 15. Qf2 bxc3 16. Bxb6 Qc8 17. bxc3 Be7 {1-0 (41) Bogner,S (2599)-Naiditsch,A (2702) Douglas 2017}) 9... b5 10. O-O d6 11. f4 Bb7 12. Qf3 Be7 {LiveBook: 50 Games} 13. Qg3 g6 14. Nd4 ({White should play} 14. Rae1 $14) 14... Na5 $11 15. Nf3 $146 ({Predecessor:} 15. e5 Nh5 16. Qf2 Nc4 17. exd6 Bxd6 18. Ndxb5 axb5 19. Nxb5 {1-0 (55) Shrutarshi,R (1951)-Deodhar,V (1734) Mumbai 2018}) 15... Nc4 16. Bd4 (16. Bxc4 $5 Qxc4 17. Nd2 $11) 16... O-O 17. e5 (17. Bxc4 $11 bxc4 18. Nd2) 17... Nh5 $17 18. Qg4 Bxf3 19. Qxf3 dxe5 20. fxe5 Bc5 (20... Nxb2 $6 21. Nxb5 axb5 22. Bxb2 $11) 21. Qf2 (21. Bxc5 $17 {was worth a try.} Nxe5 22. Qe2 Qxc5+ 23. Kh1) 21... Bxd4 $19 ({Resist} 21... Nxe5 22. Bxc5 (22. Nxb5 $2 axb5 23. Bxc5 Ng4 $19) 22... Ng4 23. Qh4 $17) 22. Qxd4 Qxe5 (22... Rad8 $19 {and Black stays clearly on top.} 23. Qf2 Nxb2) 23. Qf2 $2 {[#]} (23. Qxe5 $17 Nxe5 24. Be2) 23... Nxb2 24. Ne4 Rad8 25. g4 $2 (25. Rae1 Nxd3 26. cxd3) 25... f5 ({Don't take} 25... Nxd3 26. cxd3 f5 27. Qc5 $19) 26. Nc5 fxg4 27. Qxf8+ $2 {[#]} (27. Nd7 Rxf2 28. Nxe5 Nxd3 29. cxd3 Rxf1+ 30. Kxf1) 27... Rxf8 {Black is clearly winning.} 28. Rxf8+ Kg7 29. Rc8 Nxd3 {Precision: White = 10%, Black = 61%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "1"]
[White "Van De Perre, Tom"]
[Black "Moussard, Jules"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2138"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,126,19,21,9,9,0,0,0,51,4,26,27,26,-5,-5,-25,0,-32,-25,-30,-31,-46,-43,-79,0,-7,0,-18,-11,-70,-74,-93,-102,-104,-74,-168,0,-81,-80,-57,-83,-66,-60,-154,-149,-139,-146,-135,-66,-74,-31,-59,-19,-22,-12,-16,0,0,0,-72,-59,-65,-66,-69,-59,-63,-62,-72,-62,-81,-66,-149,-152,-134,-119,-145,-129,-178,-184,-147,-138,-214,-187,-275,-186,-471,-471,-471,-296,-749,-740,-700,-700,-6370,-6099,-6089,-6079,-5794,-5724,-5624,-5622,-5185,-5165,-1531,-1411,-5081,-1466,-29997,-29998]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Nc6 {B06: Modern Defence} 9. c3 e5 10. d5 (10. Rd1 Nd7 11. Be3 Qe7 12. Na3 Nb6 13. Bb5 f5 14. Bxc6 bxc6 15. exf5 e4 16. f6 Rxf6 {0-1 (61) Bacrot,E (2718)-Ponomariov,R (2714) Beijing 2014}) 10... Ne7 {LiveBook: 3 Games. The position is equal.} 11. Bg5 Nd7 12. Qe3 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Nd2 f6 13. Bh4 Bh6 14. Qe2 Kh8 15. f3 {0-1 (54) Marusiak,L (2407)-Ograbek,G (2362) ICCF email 2008}) 12... f6 13. Bh4 Qe8 (13... f5 $11) 14. Bb5 f5 (14... c6 {NOTEXT} 15. dxc6 bxc6 16. Ba4 Nc5 17. Bc2 Ne6) 15. Bxd7 Qxd7 16. Bxe7 Qxe7 17. Nd2 Rf7 18. f3 Qf8 19. Nc4 Bh6 20. Qe1 Bg5 21. g3 c6 (21... f4 $17 22. g4 Qh6) 22. Rd1 Rc8 23. dxc6 Rxc6 24. Qe2 ({White should play} 24. Na3 $11) 24... Qc8 $1 $15 25. Na5 Ra6 26. Qc4 Qd7 27. Qd5 (27. b4 $17) 27... b5 $2 (27... fxe4 $19 28. f4 e3) 28. Nb3 (28. b4 $11) 28... Be3+ $17 ({Of course not} 28... Rxa2 $6 29. f4 $11) 29. Kg2 Rxa2 30. Rb1 Qb7 {And now ...Qxd5 would win.} 31. Qxd6 (31. Qd3 $1 $15 Qb6 32. Na1) 31... fxe4 32. Qxe5 exf3+ 33. Kh2 {Black must now prevent Qe8+.} Bh6 ({Black should try} 33... Qe7 $17 34. Qxe7 Rxe7) 34. Nd4 $15 b4 35. cxb4 Qxb4 36. Nxf3 Qb3 37. Qe2 Qb8 38. Rf2 Ra5 39. Qc4 (39. Rbf1 $11) 39... Raf5 $36 {[%mdl 2048] aiming for ...Bf4! Black is more active.} 40. Rbf1 {[#]} Bf4 $1 {[%mdl 512]} 41. Rg2 (41. gxf4 Rxf4) 41... Bd6 42. Nd2 Rxf1 43. Nxf1 Kg7 $1 44. Ne3 h5 45. Qd4+ (45. Qd5 $15) 45... Be5 46. Qe4 Bxb2 47. Nc4 Bf6 48. Qf4 Qxf4 49. gxf4 $19 {[%mdl 4096] Endgame KRB-KRN} Bd4 50. Ne5 (50. Kg3 $17 {was called for.}) 50... Rf6 ({Don't do} 50... Rxf4 51. Rxg6+ Kh7 52. Rg5 $17) 51. Kg3 (51. Rg3 $142) 51... a5 {[%cal Ba7a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 52. Rd2 $2 (52. Ra2) 52... Bxe5 $1 53. fxe5 {[#] KR-KR} Ra6 $1 54. Kf4 $2 {[#]} (54. Ra2) 54... a4 $1 {[%cal Ra4a3]} 55. Kg5 a3 {Strongly threatening ...a2.} 56. Rd7+ Kf8 57. Rd1 a2 58. Ra1 Kg7 59. Kf4 Ra4+ 60. Kg5 Ra5 61. Kf4 Kf7 62. h4 Ra4+ 63. Kg5 Kg7 {Precision: White = 24%, Black = 64%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Kindler, Kristian"]
[Black "Heimann, Andreas"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2136"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,10,19,0,15,16,18,19,24,22,19,25,11,33,0,-8,-3,-42,-41,-82,-46,-94,-33,-62,-43,-55,-55,-80,-102,-91,-80,-89,-82,-85,-72,-118,-120,-127,-122,-122,-126,-129,-125,-122,-122,-122,-122,-122,-124,-131,-124,-122,-82,-70,-83,-438,-321,-516,-459,-462,-449,-29967,-29968,-29966,-29968,-12819,-11046,-29972,-29973,-29971,-29965,-29981,-29980,-29990,-29988,-29987,-29988,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 {LiveBook: 625 Games} 9. Bd2 {C88: Closed Ruy Lopez: Anti-Marshall Systems} (9. c3 Na5 10. Bc2 c5 11. h3 Re8 12. d4 Nd7 13. d5 Bf8 14. Nbd2 g6 15. Nf1 Bg7 16. g4 c4 17. Ng3 Nb7 18. Be3 Ndc5 19. b4 {1-0 (47) Alekseev,E (2616)-Kovalev,V (2639) Tallinn 2018}) 9... Bd7 10. h3 h6 $146 ({Predecessor:} 10... Qc8 11. Nc3 Nd4 12. Nxd4 exd4 13. Ne2 c5 14. c3 dxc3 15. Bxc3 {½-½ (40) Roeckendorf,P (2139)-Klapp,H (2099) GER email 2014}) 11. a4 {The position is equal.} b4 12. c3 Rb8 13. d4 Qc8 14. Bc2 Re8 15. dxe5 dxe5 16. cxb4 Bxb4 17. Nc3 Be6 18. a5 Bd6 (18... Rd8 $17 {Hoping for ...Bxh3!} 19. Qe2 Bxa5) 19. Rc1 Nxa5 {[%cal Bc6a5,Ba5c4,Bc4b2][%mdl 32]} 20. Nd5 Bxd5 21. exd5 Nc4 22. Bc3 Nxb2 23. Qe2 Nxd5 24. Bxe5 Nf6 25. Bb1 Rb5 26. Qc2 Bxe5 27. Nxe5 Rbxe5 28. Rxe5 Rxe5 29. Qxb2 Qe8 30. Bd3 Re1+ 31. Rxe1 Qxe1+ 32. Kh2 a5 33. Qb8+ Ne8 34. Bb5 Kf8 35. Bxe8 $2 {[%mdl 8192] [#]} (35. Bc6 $17 {is tougher.}) 35... Qxe8 $19 36. Qxc7 $2 $17 {[%mdl 4096] Endgame KQ-KQ} (36. Qa7 {was the only defense.} Qe5+ 37. g3) 36... Qa8 $19 37. Qc5+ Kg8 38. g4 {[#]} (38. Qa3 $19 a4 39. Kg1) 38... a4 39. Qa3 Qb8+ 40. Kg2 Qb7+ 41. f3 Qb3 {Black mates.} 42. Qe7 a3 43. h4 a2 44. h5 a1=Q 45. Qe8+ Kh7 46. Qe4+ {Precision: White = 34%, Black = 76%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Barillaro, Luca"]
[Black "Mikhalevski, Victor"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2135"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,62,5,-25,-13,-63,-23,-120,-56,-143,-131,-131,-130,-150,-138,-274,-266,-367,-374,-368,-365,-378,-357,-430,-422,-430,-427,-470,-497,-496,-503,-522,-518,-518,-488,-512,-481,-539,-535,-546,-545,-481,-531,-492,-486,-524,-490,-489,-488,-678,-612,-586,-575]} 1. c4 e5 2. g3 c6 3. d4 e4 4. Bg2 d5 5. Nc3 Nf6 6. Bg5 {A20: English Opening: 1...e5} Nbd7 (6... Bb4 7. Qb3 Bxc3+ 8. Qxc3 O-O 9. f3 dxc4 10. Bxf6 Qxf6 11. fxe4 c5 12. e5 cxd4 13. exf6 dxc3 14. fxg7 {½-½ (40) McShane,L (2647)-Anand,V (2783) Germany 2018}) 7. Nh3 {LiveBook: 3 Games} h6 8. Bf4 {The position is equal.} g5 $146 ({Find the theoretical novelty and annotate with similar games:} 8... dxc4 9. Nxe4 Nxe4 10. Bxe4 Qb6 11. O-O Qxb2 12. Rb1 Qxa2 {1-0 (34) Stanciu,A-Becsenescu,F ICCF email 2006}) 9. Be5 (9. Bd2 $11 {keeps the balance.}) 9... Bg7 (9... Bb4 $17 10. Rc1 dxc4) 10. cxd5 (10. Bxf6 $15 Nxf6 11. cxd5) 10... Nxe5 $17 ({Inferior is} 10... cxd5 11. f4 $11) 11. dxe5 Nxd5 {[%cal Bf6d5,Bd5b4,Bb4a2][%mdl 32]} 12. Nxe4 {White wants to play Nd6+.} Bxe5 {And now ...f5 would win.} 13. Qb3 {[#]} (13. O-O $17) 13... Qa5+ $1 $19 14. Nd2 Be6 15. Qc2 Nb4 16. Qc1 Nxa2 {Hoping for ...0-0-0.} 17. Qc2 O-O-O {Black is clearly winning.} 18. Rd1 Nb4 19. Qb1 g4 20. Nf4 Bxf4 21. gxf4 Bf5 22. Be4 Bxe4 23. Nxe4 Rxd1+ 24. Qxd1 Rd8 25. Qb1 Nd3+ 26. Kf1 Nxf4 27. Nc3 Qe5 28. Rg1 h5 29. Rg3 Nh3 30. Kg2 Qf4 31. f3 f5 {Precision: White = 40%, Black = 82%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Zoldan, Matteo"]
[Black "Grigoriants, Sergey"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2135"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,45,56,52,47,57,44,66,30,39,30,53,-30,-41,-41,-53,-23,-49,-80,-86,-83,-76,-90,-96,-97,-100,-79,-93,-91,-91,-86,-84,-102,-100,-110,-104,-308,-326,-522,-519,-568,-460,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Qb6 7. Nb3 e6 8. Qe2 (8. g4 {is more complex.} h6 9. Qe2 Qc7 10. a3 b5 11. Bf4) 8... Nc6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 9. Be3 Qc7 10. O-O-O b5 {White is slightly better.} 11. Qf2 Be7 12. g4 Nd7 13. Nd4 $146 (13. g5 $14) ({Predecessor:} 13. g5 Nce5 14. a3 Rb8 {1-0 (31) Grischuk,A (2710)-Ponomariov,R (2700) Wijk aan Zee 2005}) 13... Nxd4 $11 14. Bxd4 O-O 15. h4 Bb7 16. a3 Bc6 17. g5 Rab8 18. f4 a5 {White must now prevent ...b4.} 19. f5 {White wants to play f6.} b4 $1 {[%cal Rb4c3]} 20. f6 bxc3 21. fxe7 cxb2+ $1 22. Bxb2 {And now Qd4 would win.} Rfe8 {Hoping for ...e5.} 23. Qd4 {[%csl Gb2][%cal Rd4g7] [#]} e5 $1 $40 {[%cal Re5d4][%mdl 128] Black is out for blood.} 24. Qxd6 {[#]} Qb7 $1 (24... Qb6 25. Bc3) 25. Bc3 $2 (25. Ba1 $17 {was forced.}) 25... Bxe4 $19 {aiming for ...Qb1+.} 26. Bd3 $2 (26. Rh3 {was the only defense.} Qb1+ 27. Kd2 Qxc2+ 28. Ke1) 26... Bxh1 27. Bf5 Bf3 {( -> ...Qb1+)} 28. Rd3 (28. Re1 $19 Qc6 29. Qxc6 Bxc6 30. Bxd7 Bxd7 31. Rxe5) 28... Qb1+ {Black mates.} 29. Kd2 Qd1+ 30. Ke3 Qe2# {Precision: White = 30%, Black = 95%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Hoffmann, Achim Gunter"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2134"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,0,0,0,0,0,4,0,11,-1,0,0,14,5,11,-20,-39,-31,-33,-29,-25,-34,0,-14,86,-19,-41,-101,-102,-248,-254,-235,-230,-245,-223,-228,-224,-274,0,-269,-213,-298,-304,-368,-373,-364,-137,-381,-392,-375,-381,-1135,-1116,-1091,-1058,-29987,-29988,-29983,-29984,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. O-O Nc5 9. f3 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5} (9. Re1 Be7 10. f4 O-O 11. e5 Ne8 12. Be3 Bd7 13. Bf2 Rc8 14. Ne4 Nxb3 15. axb3 dxe5 16. fxe5 f6 17. exf6 Nxf6 18. Bg3 Qb6 {0-1 (56) Ivanisevic,I (2638)-Cheparinov,I (2688) Minsk 2017}) 9... b5 10. Be3 Bb7 11. Qe1 {The position is equal.} Be7 12. Rd1 Qc7 13. Qg3 O-O 14. a3 Nxb3 (14... Rac8 {with more complications.} 15. Ba2 Kh8 16. Rf2 Rg8 17. h4 Ncd7) 15. Nxb3 Rfd8 $146 ({Predecessor:} 15... Rac8 16. Rd2 d5 17. Qxc7 Rxc7 18. exd5 Nxd5 19. Nxd5 Bxd5 {0-1 (58) Krustev,P-Radev Iordanov,N Sofia 1970}) 16. Rd2 Nd7 17. f4 Nf6 18. Bd4 g6 19. e5 Nh5 (19... Nd7 $11 {remains equal.}) 20. Qe3 ({White must play} 20. Qf2 $16) 20... dxe5 $11 21. fxe5 ({White should try} 21. Qxe5 $15 Qxe5 22. fxe5) 21... Ng7 $1 $17 22. g4 (22. Re2 $17 {is a better defense.} Nf5 23. Rxf5 exf5 24. Bb6) 22... Qc6 $19 {Threatens to win with ...Qh1+.} 23. Qg3 a5 $1 {[%cal Ra5a4]} 24. Be3 Rxd2 25. Nxd2 h5 $1 $40 {[%cal Rh5g4][%mdl 128] Black goes for the king.} 26. h3 {[#]} Qh1+ $1 27. Kf2 h4 28. Qg1 Qxh3 29. Nce4 Bxe4 (29... Nf5 $2 30. gxf5 Bxe4 31. fxg6 $17) 30. Nxe4 {[#] Ke2 is the strong threat.} Rc8 $2 (30... Nf5 $1 $19 {[%mdl 512] and Black stays clearly on top.} 31. Ke2 (31. gxf5 Qxf5+) 31... Ng3+ 32. Nxg3 Qxg4+ 33. Kd2 hxg3) 31. c3 $2 {[#]} (31. Ke2 $17 Rxc2+ 32. Nd2) 31... Nf5 $1 {[%mdl 512]} 32. Re1 {[#]} (32. gxf5 Qxf5+) 32... Ng3 $1 {[%mdl 512]} 33. Bf4 $2 (33. Bb6) (33. Nxg3 hxg3+) 33... Rc4 34. Bxg3 hxg3+ 35. Kf3 g2+ {Black mates.} 36. Ng3 Bc5 37. Qxg2 Qxg4# {Precision: White = 23%, Black = 69%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Merkel, Markus"]
[Black "Danin, Alexandre"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2133"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,82,6,14,6,6,0,0,0,3,0,4,14,11,13,26,34,34,20,6,-70,-80,-84,-87,-123,-127,-127,-132,-114,-125,-111,-125,-157,-154,-148,-160,-172,-167,-197,-194,-231,-218,-235,-240,-410,-395,-458,-398,-730,-729,-697,-680,-1214,-1198,-1203,-1168,-2739,-2655,-2512,-2499,-2596,-2656]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 c5 4. dxc5 Qa5 5. e3 Bg7 6. a3 Qxc5 7. b4 Qc7 8. Bb2 O-O 9. c4 b6 10. Be2 Bb7 11. O-O d6 12. Rc1 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (12. Qb3 Nbd7 13. Rac1 Rac8 14. Rfd1 Qb8 15. Nb1 Ne4 16. Bxg7 Kxg7 17. Nfd2 Ndf6 18. Nxe4 Bxe4 19. Nc3 Bc6 20. Bf1 Rc7 21. f3 Qc8 22. e4 {0-1 (65) Aleksandrov,A (2589)-McShane,L (2640) Katowice 2017}) 12... Nbd7 {LiveBook: 59 Games} 13. Qc2 Rac8 14. Qb1 {The position is equal.} Qb8 15. Qa1 Qa8 16. Rfd1 a6 17. Bf1 $146 ({Predecessor:} 17. h3 Rfd8 18. Nb3 d5 19. c5 bxc5 20. Nxc5 Nxc5 21. bxc5 a5 {1-0 (40) Pogonina,N (2466)-Ubiennykh,E (2308) Sochi 2017}) 17... Bh6 18. Nd4 Rc7 19. a4 a5 20. Nb5 Rc6 {[%cal Bc7c6,Bc6c5,Bc5a5][%mdl 32]} 21. Be2 ({White should try} 21. bxa5 $11 bxa5 22. Bc3) 21... axb4 $15 22. Bf3 Rc5 23. Nxd6 Bxf3 ({Reject} 23... exd6 $6 24. Bxf6 Bxf3 25. Nxf3 $11) 24. Nxf3 {[#]} Ra5 $1 {[%cal Ra5a4]} 25. Nb5 Rxa4 26. Qb1 Rc8 27. Bd4 Bf8 28. h3 Ne4 29. Ne5 Ndc5 30. f3 Ng3 {aiming for ...Ne2+.} 31. Rd2 Nf5 {[%cal Bg3f5,Bf5g3,Bg3e2][%mdl 32]} 32. Re2 Bg7 33. Bb2 $2 {[#]} (33. Nd3 Bxd4 34. Nxd4) 33... Ra2 $19 34. f4 Ng3 ({But not} 34... Bxe5 35. fxe5 Ng3 36. Ree1 $19) 35. Rec2 $2 (35. Ree1) 35... b3 {Black is clearly winning.} 36. Rd2 Nce4 37. Rd4 Ne2+ 38. Kh2 Nxd4 39. Kg1 Ne2+ 40. Kh2 Nxc1 41. Qxc1 Bxe5 {Precision: White = 31%, Black = 90%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Zimmermann, Paul"]
[Black "Kollars, Dmitrij"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2128"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,45,-33,-27,-69,-72,-94,-99,-99,-93,-96,-106,-296,-300,-283,-263,-295,-304,-319,-298,-317,-299,-376,-322,-341,-331,-341,-318,-596,-541,-543]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. e3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Be2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bf5 9. O-O b5 {LiveBook: 6 Games} 10. Nfd2 $146 {Black has an edge.} ({Predecessor:} 10. Nh4 Bd7 11. a3 h6 12. Nf3 Bf5 13. Nbd2 e6 14. h3 Be7 15. Ne5 Nxe5 16. Bxe5 {0-1 (50) Aaberg,A (2365)-Brynell,S (2445) Tylosand 2016}) 10... e6 11. f3 Be7 12. Bg5 Bg6 13. Bxf6 Bxf6 14. e4 $2 {[#]} (14. f4 $17) 14... Nxd4 $1 $19 {[%mdl 512]} 15. Bd1 (15. cxd4 Bxd4+) 15... Nc6 16. exd5 exd5 17. Re1+ Kd7 18. f4 Kd6 19. Bf3 h5 20. g3 b4 21. Kg2 Rhe8 22. Rxe8 $2 {[#]} (22. Rd1 b5 23. a4) 22... Rxe8 23. Kf2 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Duchateau, Thomas"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2127"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,22,22,22,51,31,24,12,26,18,14,14,14,11,21,16,21,13,13,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,16,18,21,0,0,0,0,0,10,0,15,23,23,16,27,18,23,18,31,9,37,0,31,8,9,6,6,0,16,0,18,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 c6 3. Nf3 Qb6 4. Qc1 d5 5. e3 Nh5 6. Be5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nd7 7. Be2 (7. c4 {is more complex.} f6 8. Bg3 e5 9. a3 e4 10. Nh4) 7... Nxe5 8. dxe5 {White has an edge.} g6 9. O-O Ng7 $146 ({Predecessor:} 9... Bh6 10. c4 O-O 11. cxd5 cxd5 12. Nc3 Be6 13. Rd1 {1-0 (57) Neef,M (2443)-Saltaev,M (2477) Germany 2017}) 10. c4 dxc4 11. Nbd2 Ne6 12. Nxc4 Qc7 13. a4 Bg7 14. b4 O-O 15. b5 Bd7 16. Rb1 b6 17. Qa3 cxb5 18. axb5 Nc5 19. Nd4 Bxe5 20. Nxe5 Qxe5 21. Bf3 Rac8 (21... a5 {seems wilder.} 22. Bxa8 Rxa8 23. Rfd1 a4 24. Rb2 Kg7) 22. Qxa7 Qc7 23. Qxc7 (23. Ra1 {looks sharper.} e5 24. Nc6 Bxc6 25. Bxc6 Kg7 26. g3) 23... Rxc7 24. Nc6 Bf5 25. Rb4 Rfc8 26. Rd1 Kf8 27. g4 Bd7 28. Kg2 h6 29. Kg3 Be8 30. h4 Nb7 31. Ra1 Nc5 32. Rd1 (32. Bg2 {with more complications.} Kg7 33. Rbb1 f6 34. Nb4 Rd7 35. Bc6) 32... Rd7 33. Rbd4 (33. Rh1 {keeps more tension.} Kg7 34. Ra1 f6 35. Rbb1 Rdc7 36. Nb4) 33... Rxd4 {The position is equal.} 34. Rxd4 Ne6 35. Rb4 Nc7 36. Rb2 f6 37. Bg2 (37. Nd4 {feels hotter.} e5 38. Nc6 Kg7 39. Na7 Rd8 40. Rc2) 37... Nxb5 38. Rxb5 Bxc6 39. Rxb6 Bxg2 40. Kxg2 Rc4 41. Kg3 Kf7 42. Rb5 {Precision: White = 49%, Black = 48%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Kienitz, Andre"]
[Black "Schlosser, Philipp"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2126"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,92,33,29,24,34,31,34,36,18,17,20,8,0,16,15,-78,-86,-65,-38,-40,-43,-45,-40,-41,-33,-56,-56,-56,-56,-56,-64,-57,-47,-35,-39,-85,-85,-85,-85,-85,-82,-85,-85,-85,-77,-77,-34,-77,-49,-75,-14,-58,-21,-69,0,-76,-21,-70,0,-70,0,-118,0,-118,106,-94,-94,-123,-123,-123,-123,-123,-123,-123,-94,-94,0,-123,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Nf6 9. Qf3 {B46: Sicilian: Taimanov: 5 Nc3 a6} Be7 10. Na4 $146 ({Predecessor:} 10. Qg3 O-O 11. Bh6 Ne8 12. Bf4 Bh4 13. Qf3 Bg5 14. Na4 Qf6 15. Bxg5 Qxg5 16. Nb6 Rb8 17. Nxc8 Rxc8 18. Bxa6 {1-0 (33) Kramnik,V (2800)-Andreikin,D (2712) Moscow 2018}) 10... O-O 11. b3 {White is slightly better.} e5 12. h3 Be6 13. Be3 Nd7 14. Qe2 a5 15. c4 (15. exd5 $11 cxd5 16. f4) 15... d4 $36 {[%mdl 2048] White is under strong pressure.} 16. Bd2 Nc5 17. Nxc5 Bxc5 18. f4 f6 19. f5 Bf7 20. Kh1 Qe7 21. g4 Bb4 22. a4 Bxd2 23. Qxd2 Rfb8 24. Bc2 Qb4 25. Qxb4 Rxb4 26. Rf3 Kf8 27. Kg2 Rab8 28. Kf2 Ke7 29. Ke2 Kd6 30. Kd2 Kc5 31. h4 R4b7 32. Rg3 Rd8 (32... h6 $17) 33. Kd3 Kb4 34. Rg2 Kc5 35. Rg3 $1 Kd6 (35... h6 $1 $17) 36. Rag1 Ke7 (36... h6 $15) 37. Bd1 ({Better is} 37. g5 $11) 37... g6 ({Black should try} 37... h6 $1 $15) 38. h5 (38. g5 $11) 38... Rdb8 (38... g5 $17 39. Re1 Be8) 39. Kd2 {[#]} (39. hxg6 $1 $11 {keeps the balance.} hxg6 40. g5 gxf5 41. exf5) 39... Rg8 $2 {[#]} (39... g5 $1 $17 40. Re1 Be8) 40. h6 $2 (40. fxg6 $1 $16 {stays on course.} hxg6 41. g5) 40... g5 41. Bc2 Kd6 42. Rb1 Rgb8 {Hoping for ...Bxc4!} 43. Rgg1 Kc5 44. Kd3 Kb4 45. Rgc1 Kc5 46. Rg1 $1 Kb4 {[%mdl 32768] Precision: White = 41%, Black = 37%. . Sensor Board Error (Ke4/e5)?} (46... Rb6 $17 47. Rh1 Be8) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Jansen, Bob"]
[Black "Kanarek, Marcel"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2124"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,50,26,44,45,50,32,72,38,43,40,32,9,12,18,33,32,33,37,49,15,52,34,43,6,11,11,11,7,7,5,9,9,5,12,12,12,8]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. c4 c5 5. cxd5 Qxd5 6. Nf3 {D00: 1 d4 d5: Unusual lines} cxd4 7. Nc3 Qa5 8. Nxd4 Bd7 {LiveBook: 4 Games} 9. g3 Nc6 10. Nb3 Qd8 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Qe5 11. Bg2 Rd8 12. Qc1 {0-1 (29) Cebalo,M (2469)-Cvitan,O (2523) Stari Mikanovci 2009}) 11. Nc5 e6 12. Nxd7 Qxd7 13. Qxd7+ Kxd7 14. Bg2 Bb4 15. Rc1 Rac8 16. O-O Ke7 17. Rfd1 Na5 18. Nb5 $1 {Hoping for a3.} a6 19. a3 axb5 {The position is equal.} 20. axb4 Nb3 21. Rc3 Rxc3 22. bxc3 Rc8 23. Bxb7 Rxc3 24. Ba6 Rc4 25. Bxb5 Rxb4 {Precision: White = 87%, Black = 47%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Vanstreels, Luc"]
[Black "Lobron, Eric"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2124"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,7,15,-73,-80,-75,-17,-22,-30,-16,-18,-45,-25,-147,-115,-364,-352,-416,-435,-438,-430,-658,-658,-652,-655,-666,-665,-666,-655,-662,-651,-646,-633,-627,-624]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 O-O (5... h5 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 c6 9. Qd2 Nbd7 10. O-O-O b5 11. Kb1 {½-½ (34) Aronian,L (2797)-Vachier Lagrave,M (2793) Caleta 2018}) 6. h5 {A45: Trompowsky Attack} c5 7. hxg6 hxg6 {LiveBook: 3 Games} 8. Nb5 $146 (8. Nf3 $11) ({Find the theoretical novelty and annotate with similar games:} 8. Qd2 Nc6 9. Nge2 Re8 10. O-O-O b5 11. Nxb5 {1-0 (21) Short,N (2681)-Cawdery,D (2446) Caleta 2018}) 8... Nc6 $17 9. Nc7 e5 (9... Bg4 $17 10. f3 Rc8 11. fxg4 Rxc7) 10. dxe5 $11 Qxc7 11. exf6 Qa5+ 12. c3 Bxf6 {...d4 is the strong threat.} 13. Bd3 {[#]} (13. Qd2 $1 $11) 13... d4 $1 $36 {[%cal Rd4c3][%mdl 2048] Keeping White busy.} ({Don't play} 13... c4 $6 14. Be2 $11) 14. Bxg6 $2 (14. Rc1 $17 {is a better defense.}) 14... fxg6 $19 15. Qb3+ Rf7 16. Rh7 {[%csl Gh7][%cal Rb3f7] Black is clearly winning.} Nd8 (16... Kxh7 17. Qxf7+ Bg7 18. Nf3 $18) 17. Rh6 (17. Rxf7 $142 Be6 18. Qa3 Qxa3 19. bxa3 Nxf7 20. cxd4) 17... Bf5 {[%cal Rd4c3]} 18. Ne2 dxc3 19. Nxc3 {[#]} c4 $1 20. Qxc4 Rc8 21. Rxg6+ Kh7 (21... Bxg6 22. Qxc8 Bf5 23. Qc4 $19) 22. Rh6+ {[#]} Kg7 $1 23. Qb3 Rxc3 {Precision: White = 33%, Black = 81%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Dobrikov, Marco"]
[Black "Korpa, Bence"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2123"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,94,50,40,-34,-37,-46,-35,-49,-31,-87,-87,-107,-102,-103,-103,-122,-79,-95,-26,-78,-78,-144,0,0,0,0,77,50,69,29,46,55,88,92,99,108,112,108,107,106,112,101,108,32,50,48,53,16,66,0,36,0,0,-45,-54,-52,-47,-70,0,-352,0,-64,0,-12,-20,-149,-147,-113,-100,-321,-298,-29997,-29998,-29998,-29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8. Bd3 b5 9. Qe2 Bb7 10. Bd2 Bc5 11. O-O-O {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} Ne7 {LiveBook: 91 Games} 12. Rhe1 $146 (12. Qh5 $14) ({Predecessor:} 12. a3 O-O 13. Qh5 f6 14. Rhf1 Rf7 15. g4 b4 16. axb4 Bxb4 17. e5 f5 18. Rg1 Rc8 {0-1 (53) Saric,I (2669)-Harikrishna,P (2744) Riadh 2017}) 12... b4 $15 13. Nb1 {Black is slightly better.} O-O 14. Be3 $1 a5 15. f5 (15. Nd2 $15) 15... Rfc8 $17 16. Nd2 Bxe3 17. Qxe3 a4 $1 18. Kb1 Ba6 19. Nf3 Qc7 (19... a3 $17 20. fxe6 dxe6) 20. Qd2 {[#]} (20. Rd2 $11) 20... b3 $1 {[%mdl 512]} 21. cxb3 (21. c3 $142 bxa2+ 22. Kxa2 Bxd3 23. Qxd3) (21. axb3 axb3) 21... Bxd3+ (21... axb3 $17 22. Bxa6 Qc2+ 23. Ka1 Rxa6 24. Qxc2 Rxa2+ 25. Kb1 Rxc2 26. Rxd7 Nc6) 22. Qxd3 $11 axb3 23. Qxb3 Rcb8 (23... Qa5 $11 24. Qa3 (24. Rxd7 Rcb8 $15) 24... Qxa3 25. bxa3 exf5) 24. Qd3 $1 $16 Nc6 {Hoping for ...Nb4.} 25. Qc3 (25. Qxd7 Qa5 $17) 25... Qa7 {[#]} 26. a3 $1 {[%mdl 512]} Qa4 (26... Qxa3 27. Qxa3) 27. Rd3 $1 (27. Rxd7 $6 Rb3 $11) 27... Rc8 {With the idea ...Nb4.} 28. Qb3 {Qxa4 is the strong threat.} (28. Rxd7 Nb4 $11) 28... Qa7 29. Rc3 Rcb8 30. Qc2 h6 31. fxe6 fxe6 32. e5 (32. Rd1 $16) 32... Rb5 33. Rb3 Rc5 34. Qe4 Rc8 35. Rd3 (35. Rd1 $14) 35... Qc7 36. Qe3 Ne7 37. Red1 Nd5 {[%mdl 1024] Black has compensation.} 38. Qe1 Rc2 39. R3d2 Rc4 ({Black should try} 39... Qc4 $15 40. Nd4 Rc3 $3 {[%mdl 512]}) 40. Rd4 $2 {[%mdl 8192] [#]} (40. Nd4 $1 $11) 40... Rc2 $2 ({Better is} 40... Nc3+ $1 $19 {[%mdl 512]} 41. bxc3 Rxc3) 41. R4d2 $15 Rc5 (41... Qc4 $15 42. Nd4 Rc3) 42. Rd3 $11 Qb6 $40 {[%mdl 128] Threatens to win with ...Nc3+. Black has some attack.} 43. Ka1 (43. Ka2 $11 {remains equal.}) 43... Rc2 $17 {[%csl Gc2][%cal Rb6b2]} 44. Rb1 Qa6 45. Rd2 $2 {[#]} (45. Qf1 $17) 45... Nb4 $1 $19 {( -> ...Qc4)} 46. Nd4 $2 {[#]} (46. Rxd7 $2 {[#] is a self mate.} Qxa3+ $1 {[%mdl 512]} 47. bxa3 Ra2#) (46. Qe4 $19 R2c4 47. Qe2) 46... Qc4 $1 {[%csl Gb4][%cal Rc4a2][%mdl 512]} 47. b3 {[#]} Qxd4+ $1 {[%mdl 512] Precision: White = 34%, Black = 44%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "1"]
[White "Bauer, Thomas"]
[Black "Bellahcene, Bilel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2122"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,122,32,14,51,54,48,44,44,47,61,51,62,35,46,16,44,-4,32,4,47,45,67,61,77,105,100,77,96,37,67,10,22,25,15,17,68,-54,-44,-59,-57,-52,-36,-47,-50,-77,-77,-192,-15,-103,-113,-135,-136,-149,-91,-138,-108,-234,159,-170,-182,-189,-150,-209,-199,-967,-775,-777,-767,-753,-771,-709,-734,-954,-1298,-1180,-1167,-1127,-974,-880,-866,-2035,-1929,-2703,-2645,-29974,-29976,-29974,-29975,-29973,-29973,-29969,-12437,-6604,-6399,-29976,-29971,-29984,-29984,-29986,-29987,-29987,-29988,-29985,-5218,-29990,-29991,-29991,-29991,-29993,-29994]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. d3 Bg4 6. Nbd2 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Nd7 7. h3 Bh5 8. Nf1 {LiveBook: 10 Games. White is slightly better.} Ne5 $146 ({Predecessor:} 8... e6 9. Ng3 Bg6 10. O-O Bd6 11. b3 Qc7 12. Ne2 Bh5 {½-½ (56) Malakhov,V (2686)-Zhigalko,S (2641) Riadh 2017}) 9. g4 Nxf3+ 10. Qxf3 Bg6 11. Bd2 f6 12. h4 Bf7 13. Ng3 Qd7 14. Ba5 b6 15. Bd2 a5 16. a4 h6 17. Bc3 Be6 18. Nf5 h5 {Threatening ...g6.} 19. g5 $1 (19. gxh5 O-O-O $11) 19... Rh7 20. Rg1 O-O-O 21. O-O-O (21. Ne3 $16) 21... g6 $14 22. Ne3 (22. d4 $14) 22... fxg5 $11 23. Nc4 Kb7 24. Ne5 Qd6 (24... Qc7 $11) 25. d4 ({White should play} 25. hxg5 $14 Bg7 26. Qg3) 25... g4 $36 {[%mdl 2048] Black has some pressure.} (25... gxh4 26. dxc5 Qc7 27. Rxd8 $18 (27. Rxg6 Bg4 $16)) 26. Qe2 {Strongly threatening dxc5.} cxd4 27. Rxd4 Qc7 {Threatens to win with ...Rxd4.} 28. Rxd8 Qxd8 29. Rd1 Qe8 30. Nd3 (30. f4 $17 {was necessary.}) 30... Bc8 $2 (30... c5 $1 $19 31. Ne5 Bh6+ 32. Kb1 Qxa4) 31. Kb1 {[#]} (31. b4 $11) 31... e5 $1 $17 {[%mdl 512]} 32. Qe3 ({Not} 32. Bxe5 $2 Re7 $19) 32... Bd6 33. b3 Rd7 (33... Rf7 $142 34. Qh6 Qe6) 34. Qg5 {[%cal Rd3e5]} Bc7 35. Qf6 (35. Rf1 $17) 35... Rd6 $2 {[#]} ({Better is} 35... Bd8 $19 36. Qxe5 Qxe5 37. Bxe5 Bxh4) 36. Qg7 $2 (36. Nc5+ $1 $16 {[%mdl 512]} bxc5 37. Rxd6 Bxd6 38. Qxd6) 36... Re6 $19 {[%cal Bd6e6,Be6f6,Bf6f2][%mdl 32]} 37. Ka2 Qe7 38. Qg8 (38. Qxe7 $17 Rxe7 39. Kb2) 38... Rf6 ({Don't play} 38... Qxh4 39. Bxa5 Qe7 40. Bb4 $17) 39. Nxe5 $2 (39. Kb1) 39... Bxe5 40. Bxe5 Qxe5 41. Qg7+ {[#]} Kb8 $1 42. Rd8 Qe6 43. Kb1 Rxf2 44. Qd4 Rf1+ 45. Ka2 Kb7 46. Rd6 c5 47. Qd3 Qe5 {[%csl Ge5][%cal Rf1a1]} 48. Rxb6+ Kxb6 {[%csl Ge5][%cal Rf1a1]} 49. Qb5+ Ka7 {[%csl Ge5][%cal Rf1a1]} 50. Qxf1 Qxe4 51. Qf2 Kb6 52. Qf6+ Qc6 53. Qd8+ Qc7 54. Qd3 g3 55. Qxg6+ Ka7 56. Qxh5 Bb7 57. Qg5 g2 58. h5 c4 (58... Qh2 $142 59. Qxc5+ Kb8 60. Qxa5 g1=Q 61. Qc3 Qxh5 62. Qb2 Qhc5 63. Qh8+ Ka7 64. Qb2 Be4 65. c3 Qd1 66. c4 Qdg1 67. Qc2 Bxc2 68. Kb2 Qce3 69. Kxc2 Qgc1#) 59. b4 Qb6 {Black mates.} 60. bxa5 Qf2 61. Qg6 g1=Q {Precision: White = 23%, Black = 34%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bacrot, Etienne"]
[Black "Groetzbach, Julian"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2718"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,67,42,33,85,86,75,56,93,100,120,126,113,104,208,199,348,305,339,328,364,359,343,354,336,340,384,349,350,350,337,298,331,346,320,338,333,337,393,384,454,458,477,475,529,520,493,460,700,697]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 {[%cal Bd4f3,Bf3d2,Bd2c4][%mdl 32]} h6 8. Nd2 {B92: Sicilian Najdorf: 6 Be2} b5 (8... Be6 9. Nc4 Nc6 10. Ne3 Ne7 11. O-O Rc8 12. Bf3 g6 13. Qd3 Bg7 14. Rd1 Rc6 15. b3 Qc8 {1-0 (48) Vachier Lagrave,M (2789)-Korobov,A (2652) Riadh 2017}) 9. a4 b4 10. Nd5 Nxd5 11. exd5 {LiveBook: 6 Games} Be7 {[#]} (11... a5 $14) 12. a5 $1 $16 Nd7 13. Nc4 {[#]} Nc5 $146 ({Predecessor:} 13... O-O 14. O-O Rb8 15. f4 Rb5 16. fxe5 dxe5 {½-½ (57) Steinberg,N (2518)-Indjic,A (2623) Batumi 2018}) 14. Be3 Qc7 15. Nb6 Rb8 16. Qd2 b3 {[#]} (16... Bg5 $16) 17. Qc3 $1 $18 Rxb6 (17... Bg5 {keeps fighting.}) 18. axb6 Qxb6 19. cxb3 {aiming for b4.} Qxb3 20. Bxc5 Qxc3+ 21. bxc3 dxc5 22. Bxa6 Kd7 23. Bxc8+ Rxc8 {[%mdl 4096] Endgame KRR-KRB} 24. Ke2 c4 25. Ra7+ Kd6 26. Rd1 Rb8 27. Ra6+ Kd7 28. Rc6 Rb5 29. Rxc4 Bc5 30. Ra4 {White is clearly winning.} Rb3 31. Kd3 Bxf2 32. Kc2 Rb6 33. Rf1 Rf6 (33... Bc5 $142 34. Rxf7+ Kd6) 34. Kd3 {Precision: White = 87%, Black = 20%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Korobov, Anton"]
[Black "Paul, Johannes"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2664"]
[BlackElo "2279"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,15,39,11,55,58,68,61,84,78,86,55,66,9,58,4,85,0,85,91,91,74,83,49,74,67,68,63,64,42,54,0,0,-18,0,0,0,0,0,-11,0,0,29,32,30,35,43,29,33,32,42,-23,174,208,190,166,149,145,456,460,445,452,1298,1343]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 c5 7. d5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (7. O-O O-O 8. Bxb4 cxb4 9. Qd3 d6 10. Nbd2 Qe7 11. e4 e5 12. Ne1 Nc6 13. Nc2 a5 14. Rfe1 Rfe8 15. Rad1 Nd7 16. Nf1 Red8 17. Nfe3 g6 18. b3 Nxd4 19. Nxd4 exd4 20. Qxd4 {½-½ (45) Ding,L (2777)-Ponkratov,P (2613) Riadh 2017}) 7... Bxd2+ 8. Nfxd2 d6 $146 {[%cal Re6d5]} ({Predecessor:} 8... exd5 9. Nc3 O-O 10. O-O a6 11. a4 Nc6 12. cxd5 Na5 13. Rb1 Rc8 14. e4 d6 {1-0 (48) Lobron,E (2506)-L'Ami,E (2438) Wijk aan Zee 2003}) 9. Nc3 {White is slightly better.} e5 10. O-O O-O 11. h3 Nbd7 12. f4 (12. e4 $14) 12... a6 13. a4 (13. e3 $14) 13... Qe7 (13... exf4 $11 14. gxf4 Nh5) 14. Kh2 (14. f5 $16) 14... Ne8 {[#]} (14... exf4 $11 15. gxf4 Nh5) 15. f5 $1 $16 Ndf6 16. Qb3 Qd8 17. g4 h6 18. Rg1 Bc8 19. Be4 Rb8 20. Raf1 Bd7 21. g5 (21. Bd3 $14) 21... hxg5 $11 22. Rxg5 Kh7 23. Rfg1 {Black must now prevent Nb5!} Rh8 24. Bd3 Kg8 25. Qd1 Kf8 26. Qf1 Nh7 27. Rh5 Nef6 28. Rh4 Rg8 29. Qf2 Qe7 30. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ke8 31. a5 (31. Rb1 $14) 31... b5 $2 {[#]} (31... bxa5 $11 32. Bc2 a4) 32. cxb5 axb5 33. b4 c4 34. Bc2 $36 {[%mdl 2048] Keeping Black busy.} Kd8 $2 {[%mdl 8192]} (34... Kf8 $16 35. a6 Ra8) 35. Qa7 $18 {White is clearly winning.} Rc8 36. Qb6+ Rc7 (36... Ke8 $142 37. Nxb5 Bxb5) 37. a6 {Precision: White = 48%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Fridman, Daniel"]
[Black "Fischer, Sebastian"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2637"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,47,38,32,44,26,59,-9,1,4,9,22,193,187,191,184,197,200,160,179,279,286,297,304,345,368,404,402,484,444,531,556,568,566,606,600,604,605,730,716]} 1. Nf3 {[%cal Bg1f3,Bf3h4,Bh4f5][%mdl 32]} f5 2. d3 d6 3. e4 e5 4. Nc3 c5 (4... Be7 5. d4 fxe4 6. Nxe4 d5 7. Neg5 exd4 8. Bd3 Qd6 9. Nxd4 c5 10. Nb5 Qe5+ 11. Be3 Na6 12. O-O {1-0 (36) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 5. g3 Nc6 6. Nh4 {LiveBook: 7 Games. A04: Unusual lines after 1 Nf3 and King's Indian Attack} f4 7. Bg2 $146 ({Of course not} 7. Qh5+ g6 $15) ({Predecessor:} 7. Ng2 Nf6 8. gxf4 Be7 9. Be2 Bh3 10. Rg1 Nd4 11. Ne3 exf4 12. Ned5 Nxd5 13. Nxd5 {0-1 (26) Flores,D (2514)-Ravi,L (2390) Andorra 2006}) 7... Be6 8. O-O (8. Nd5 $14) 8... g5 $11 9. Nf5 h5 10. h4 {[%cal Bh2h4,Bh4g5][%mdl 32]} Qd7 $2 {[#]} (10... gxh4 $11 11. gxf4 Nf6) 11. hxg5 $18 Nge7 12. Nxe7 Bxe7 13. gxf4 exf4 14. Bxf4 O-O-O (14... Qd8 {keeps fighting.} 15. g6 Kd7) 15. Be3 Ne5 16. f4 Bg4 17. Qd2 Ng6 18. Nd5 Rdg8 19. d4 {White is clearly winning.} h4 20. Kh2 h3 21. Bh1 Nh4 22. dxc5 dxc5 23. Qc3 b6 24. b4 {Precision: White = 87%, Black = 10%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Banusz, Tamas"]
[Black "Ehmann, Thilo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2618"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,127,0,3,41,68,85,8,12,0,0,-31,-8,-41,-50,-43,-58,-89,-67,-61,-62,-70,-44,-89,-58,-126,-125,-130,-132,-125,-124,-154,-80,-190,-182,-153,-159,-146,79,68,81,86,94,80,151,144,181,116,118,109,109,109,117,123,139,139,179,16,179,178,175,177,172,179,193,126,197,197,199,151,153,119,119,111,102,106,139,119,179,179,179,179,179,179,205,179,179,179,238,238,233,115,120,119,119,116,135,119,220,201,593,593,593,568,594,545,594,579,29974,29939,29975,29976]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. d4 g6 5. O-O Bg7 6. dxc5 Nf6 7. c3 O-O 8. Nbd2 a5 9. a4 e5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 10. Nb3 {LiveBook: 3 Games} Qe7 (10... h6 11. Nfd2 Be6 12. Qc2 Qe7 13. e4 d4 14. cxd4 exd4 15. e5 Nd5 16. Ne4 Ndb4 17. Qd1 Nxe5 18. Nxd4 {1-0 (49) Petrosian,T (2625)-Harutjunyan,G (2436) Yerevan 2016}) 11. Bg5 Rd8 {White is slightly better.} 12. Qc1 $146 (12. e4 $1 $16) ({Predecessor:} 12. h3 h6 13. Be3 Be6 14. Nfd2 g5 15. Nb1 Nd7 16. Na3 d4 17. cxd4 exd4 18. Nxd4 Nxd4 19. Bxd4 Nxc5 20. Bxc5 Qxc5 {0-1 (37) Solozhenkina,E (2202)-Smirnov,T (2324) Moscow 2018}) 12... Be6 $11 13. h3 Qf8 14. e4 d4 15. Nfd2 h6 16. Bxf6 $1 Bxf6 {[%cal Bg7f6,Bf6e7,Be7c5,Bc5e3][%mdl 32]} 17. f4 exf4 18. gxf4 dxc3 19. bxc3 Rd3 $36 {[%mdl 2048] Black fights for an advantage.} 20. e5 Be7 21. Qc2 ({White should play} 21. Kh2 $15) 21... Bxc5+ $17 22. Kh2 Rad8 $1 23. Ne4 Be3 24. Rae1 Bc4 (24... Qa3 $142 $1 25. Nc1 Rd2 $1 {[%mdl 512]} 26. Nxd2 Rxd2) 25. Nc1 (25. Rf3 $17 Bxb3 26. Qb2) 25... Rd2 $1 $19 {[%cal Rd2c2]} 26. Nxd2 Rxd2 27. Qe4 Qc5 $2 ({Much less strong is} 27... Bxf1 28. Rxf1 Bb6 29. Nb3 $15) (27... Bd5 $1 $17 {[%cal Rd5e4]} 28. Qxd5 Rxd5 29. Bxd5 Qc5 30. Bxc6 bxc6) 28. Nb3 $1 $16 {[%cal Rb3c5]} Bxb3 29. Qxe3 Qxe3 30. Rxe3 Rb2 (30... Bxa4 $142 31. Kg3 Bb3) 31. Kg1 Bxa4 32. Ra1 ({White should try} 32. e6 $1 $18 {[%cal Re6e7]} fxe6 33. Rxe6) 32... Bb3 33. Bxc6 bxc6 34. Rxa5 {[%mdl 4096] Endgame Strongly threatening Ra8+. KRR-KRB} Bd5 35. Ra8+ Kg7 {[#]} 36. f5 $1 gxf5 37. Rg3+ Kh7 38. Rag8 $1 {[%csl Gg8][%cal Rg3g7]} h5 {[#]} 39. R8g5 $1 {[%csl LRf5,LRh5][%cal Rg5h5]} Kh6 40. Rxf5 Re2 41. Rf6+ Kh7 42. Rg5 h4 43. c4 Be6 44. Rf4 {[%cal Rf4h4]} Kh6 45. Rg8 {[%cal Rf4h4]} Kh5 46. Rh8+ Kg6 47. Rfxh4 Rxe5 (47... Kf5 $16 {keeps fighting.} 48. R8h5+ Kg6 49. Rh6+ Kf5 50. R6h5+ Kg6 51. Rh6+ Kf5 52. R6h5+) 48. Rg8+ $18 Kf6 49. Rf4+ Ke7 50. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Rc5 51. Rg3 Ra5 52. Rd3 Ra4 (52... Ra2 {was necessary.} 53. h5 Ra1+ 54. Kg2 Ra5) 53. h5 Bxc4 {[#]} 54. Rg3 (54. Rd1 $1 $18 {is the precise move to win. h6 is the strong threat.} Kf8 55. h6) 54... Ra1+ $16 55. Kf2 Be6 56. Rh4 {Black must now prevent h6.} Ra8 57. h6 Rh8 (57... Bf5 $16 58. Rc3 Rc8) 58. Rh5 f6 $2 (58... Ba2 {is a better chance.} 59. Kf3 Kf6) 59. Rg7+ $18 Kd6 60. Ke3 c5 61. Ra7 c4 62. Kd4 Rc8 63. Rha5 Bd7 64. Rd5+ {Precision: White = 61%, Black = 47%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Landa, Konstantin"]
[Black "Riehle, Marco"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2613"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,109,34,20,29,34,26,0,7,0,0,0,0,-7,-11,-70,-70,-69,-72,-73,0,-70,0,0,0,-19,-15,-15,43,43,43,37,54,31,71,68,63,63,107,91,136,131,115,16,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,12,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bg3 Nf6 5. Nd2 c5 6. c3 O-O 7. Ngf3 Nc6 8. Bd3 Re8 9. Ne5 Bxe5 10. dxe5 Nd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 11. Nf3 Qc7 12. O-O g6 13. e4 {LiveBook: 4 Games} Ndxe5 (13... dxe4 14. Bxe4 Ncxe5 15. Nxe5 Nxe5 16. f4 f5 17. fxe5 fxe4 18. Qg4 {½-½ (41) Gorovets,A (2496)-Li,C (2732) chess.com INT 2018}) 14. Nxe5 Nxe5 15. Bb5 Rd8 {[#]} 16. Bh4 $146 ({Predecessor:} 16. exd5 Rxd5 17. Qe1 c4 18. Bxc4 {½-½ (41) Chigaev,M (2543)-Lobanov,S (2457) St Petersburg 2016}) 16... Rd6 17. Bf6 Rb6 18. a4 c4 {Black wants to play ...Nd3.} 19. exd5 (19. Qe2 $11) 19... exd5 $15 20. Bxe5 $1 Qxe5 21. Re1 {[#]} Qf6 (21... Qf4 $1 $17 {Strongly threatening ...Be6.} 22. g3 (22. Qxd5 Be6 $17) 22... Qf6 23. Re8+ (23. Qxd5 Be6 $15) 23... Kg7) 22. Re8+ $11 Kg7 23. Qd2 $36 {[%mdl 2048] White fights for an advantage.} Rd6 $1 24. Rd1 a6 25. Bxc4 $1 Re6 (25... Bg4 $1 $11 26. Rxa8 Bxd1 27. Bxa6 (27. Qxd1 dxc4 28. Qe2 Qg5 $17) (27. Bxd5 $2 Bb3 $19) 27... bxa6 28. Qxd1 d4 29. cxd4 Rxd4) 26. Rxe6 $14 fxe6 27. Bb3 Bd7 28. f4 Bc6 29. Re1 Rd8 30. Re5 h6 31. h4 Qxh4 32. Rxe6 {aiming for Qd4+.} Rf8 33. Qd4+ (33. Bxd5 $16 Qxf4 34. Re7+ Kh8 35. Qxf4 Rxf4 36. Bxc6 bxc6 37. b3) 33... Rf6 $1 $11 34. Bxd5 (34. Re7+ {with more complications.} Kf8 35. Qc5 b6 36. Qe3 Rxf4 37. Re6) 34... Bxd5 {The position is equal.} 35. Qxd5 {[#] Intending Re7+ and mate.} Rxe6 $1 36. Qxe6 Qxf4 {[%mdl 4096] Endgame KQ-KQ} 37. Qd7+ Qf7 38. Qd4+ Kh7 39. b4 Qe7 40. b5 axb5 41. axb5 h5 42. c4 h4 43. Kf2 g5 44. Kf3 {Hoping for Qe4+.} Kh6 $1 45. Qe4 Qf6+ 46. Ke2 Qb2+ 47. Kd3 Qb1+ 48. Kd4 Qg1+ 49. Ke5 Qc5+ 50. Ke6 Qc8+ 51. Kd6 g4 52. Qf4+ Kg6 {( -> ...Qb8+)} 53. Qe4+ Kh6 54. Qf4+ Kg6 {White must now prevent ...Qb8+.} 55. Qe4+ {Precision: White = 56%, Black = 67%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bindrich, Falko"]
[Black "Hoeglauer, Patrick"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2602"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,89,70,70,71,81,89,83,87,117,114,100,93,104,42,107,94,92,85,180,175,179,167,175,175,179,177,178,177,242,235,250,242,212,206,268,263,264,253,249,253,282,286,327,310,365,357,366,364,431,435,530,505,562,564,560,511,624,580,891,900,1116,1115]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 Ba6 11. Qd2 {E05: Open Catalan: 5 Nf3 Be7} c3 (11... Rb8 12. Qa5 Rb6 13. a4 Qd6 14. Rd1 Nd5 15. e4 Qb4 16. Qxb4 Nxb4 17. Bf4 Nd3 18. Bxc7 Rb2 {0-1 (59) Iturrizaga Bonelli,E (2650)-Dominguez Perez,L (2739) chess.com INT 2018}) 12. Qxc3 Bxe2 13. Re1 Bb5 14. a4 Bxa4 15. Qb4 Bb5 {LiveBook: 3 Games} 16. a4 $1 {[%cal Ra4b5]} Ba6 17. Ba3 {aiming for Qa5.} Re8 18. Bxc6 Rb8 $146 ({Predecessor:} 18... Nd7) 19. Qa5 Bb7 20. Bxe8 Nxe8 21. Qc5 ({Avoid the trap} 21. Qxa7 $2 Qd5 $3 $19 {[%mdl 512]}) (21. Rab1 $16) 21... Nf6 (21... Nd6 $14) 22. Rab1 $36 {[%mdl 2048] Strongly threatening Rec1. White is on the roll.} Be4 23. Rbc1 c6 (23... Rb7 $16) 24. Qxa7 $18 Ra8 25. Be7 Qe8 26. Qb7 {And now Bxf6 would win.} Rb8 {[#]} 27. Qc7 $1 {Bxf6 is the strong threat.} Nd5 28. Qe5 {Hoping for Bd6.} ({And not} 28. Qxc6 Qxc6 29. Rxc6 Nxe7 $15) 28... Bf3 (28... Bd3 {was worth a try.}) 29. Bc5 Ra8 30. Ra1 Qc8 31. a5 {Threatens to win with Ra3.} h5 32. h3 Nf6 33. Ra3 Bd5 34. Be7 Nd7 35. Qxh5 c5 36. dxc5 Bb7 37. Qe2 Qc6 {[%csl Gb7][%cal Rc6h1]} 38. f3 e5 39. Kh2 {White is clearly winning.} Re8 40. a6 Ba8 41. Bd6 e4 42. Re3 f5 43. Qc4+ Kh8 44. Qf7 Nf6 45. Bf8 {Precision: White = 88%, Black = 39%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bernadskiy, Vitaliy"]
[Black "Kappeler, Kaspar"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2588"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,79,28,-53,27,0,45,50,111,121,145,145,154,159,147,143,152,145,157,68,53,51,59,52,51,52,70,21,21,0,47,6,6,6,51,0,5,0,40,0,6,0,0,0,129,135,177,167,923,910,699,10,893,10,29995,29996,29996,29997,29997,29998]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 c5 7. c4 Nc6 8. d5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} Na5 9. O-O (9. Nfd2 a6 10. a4 e6 11. Na3 exd5 12. cxd5 Bd7 13. Ra2 b5 14. O-O bxa4 15. bxa4 Rb8 {1-0 (52) Jobava,B (2705)-Brunello,S (2555) Heraklio 2017}) 9... a6 10. Nbd2 b5 11. Qc2 Rb8 12. Rab1 {LiveBook: 3 Games} ({Better is} 12. e4 $11) 12... e5 (12... bxc4 $15 13. e4 cxb3 14. axb3 e6 15. dxe6 Bxe6) 13. dxe6 fxe6 14. Ng5 bxc4 $146 (14... Rb6 $14) ({Predecessor:} 14... Qe7 15. Nge4 Ne8 16. Bxg7 Qxg7 17. Qd3 Qd4 18. Qxd4 cxd4 19. cxb5 axb5 {1-0 (41) Lange,M-Boeller,G Gauting 1976}) 15. bxc4 $16 {[#] Threatens to win with Bxf6.} Rxb2 16. Rxb2 ({Stronger than} 16. Qxb2 Ne4 $17) 16... Ng4 17. Nge4 Bxb2 18. Qxb2 Ne5 19. Qc3 Bb7 20. Nxd6 (20. Rd1 $16) 20... Qxd6 $14 21. Qxa5 Bxg2 22. Kxg2 Nxc4 $1 23. Nxc4 Qd5+ 24. Kg1 Qxc4 $11 {[%mdl 4096] Endgame KQR-KQR} 25. e3 Rf5 26. Qd2 Rd5 27. Qb2 Qa4 28. Qf6 (28. Qb8+ $14 Kf7 29. Qa7+ Kf6 30. Qxh7) 28... Qd7 29. Qc3 Qa4 30. Qf6 Qd7 31. Qf3 c4 32. Rc1 $36 {[%mdl 2048] Black is under pressure.} Qa4 (32... Qc8 $11) 33. Qg4 $16 Kg7 34. Rxc4 Qxa2 $2 (34... Qd1+ 35. Qxd1 Rxd1+ 36. Kg2 Rd2) 35. Rc7+ $18 Kh8 36. e4 $2 ({White has to play} 36. Qb4 $18 {[%cal Rb4f8]} Qa1+ 37. Kg2) 36... Rd4 $2 {[%mdl 8192] [#]} (36... Qb1+ $11 37. Kg2 Rd4) 37. Rb7 $2 ({White must play} 37. Qf4 $1 $18 {[%cal Rf4f8]} Qb1+ 38. Rc1 Qxc1+ 39. Qxc1) 37... Qc4 $2 {[%mdl 8192]} (37... Qa1+ $11 38. Kg2 Qe1) 38. Qf3 {[%cal Rf3f8] White mates.} Qc1+ 39. Kg2 {[%cal Rf3f8]} Qh6 40. Rb8+ {Precision: White = 28%, Black = 17%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Lagarde, Maxime"]
[Black "Schmitz, Thorsten"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2587"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,0,0,-32,-16,-39,-31,-26,1,-56,-47,-53,-51,-55,-62,-62,-62,-118,-63,-72,-81,-72,-75,-88,-66,-99,-72,-95,-91,-92,-101,-100,-61,-95,-59,-72,-68,-56,-47,-68,-63,-50,-11,-74,-73,-95,-100,-103,-98,-128,-67,-72,-68,-125,-65,-71,-68,-81,-79,-94,-85,-101,-95,-113,576,575,551,543,848,791,1436,1421,29987,29988,29985,29985,29985,29986,29987,29979,29993,29994]} 1. e4 e5 2. Bc4 Nf6 3. d3 Be7 4. Nc3 c6 5. Bb3 O-O {LiveBook: 8 Games} 6. Qf3 {C24: Bishop's Opening: 2...Nf6} Na6 7. a3 Nc5 8. Ba2 $1 {Black is slightly better.} d5 $146 ({Find the theoretical novelty and annotate with similar games:} 8... d6 9. h3 Be6 10. Nge2 Bxa2 11. Rxa2 d5 12. O-O {½-½ (53) Vukelic,T (2226)-Jovanic,O (2490) Mali Losinj 2017}) 9. h3 (9. exd5 $11 cxd5 10. Nxd5) 9... Be6 $15 10. Nge2 dxe4 11. dxe4 Bxa2 12. Rxa2 Ne6 13. g4 (13. O-O $15) 13... Nd4 (13... Bc5 $17 14. O-O Qe7) 14. Nxd4 exd4 15. Ne2 Re8 16. O-O Qb6 17. Ng3 Bf8 18. Kh1 c5 19. b3 Qc6 20. Re1 Re6 21. c3 dxc3 22. g5 c4 23. bxc4 Qxc4 24. Rc2 Nd7 25. Rxc3 Qa6 26. Nh5 (26. Bf4 $11 {keeps the balance.}) 26... Ne5 27. Qg3 Rd8 28. Nf4 Rc6 $1 29. Rce3 Nc4 (29... Bd6 $17 30. Bd2 Bc5) 30. R3e2 Bd6 ({Much worse is} 30... Bxa3 $6 31. Ra2 $14) 31. Qh4 ({White should play} 31. Kg2 $15) 31... Bxf4 ({Black should try} 31... Re8 $1 $17 32. Qg3 Nxa3) 32. g6 {[%cal Rh4d8] [#]} Rf6 $1 ({But not} 32... Bc7 $2 33. Qxh7+ Kf8 34. Bg5 $16) 33. gxf7+ Kxf7 34. Bxf4 {Hoping for e5.} Qxa3 {aiming for ...Qf3+.} 35. Bg3 {Threatens to win with e5.} Qf3+ 36. Kh2 {[#]} Rd2 $2 {[%mdl 8192]} (36... Nd2 $1 $17 {...Qxe2! is the strong threat.} 37. Re3 Rd3 38. Rxd3 Qxd3 39. Qh5+ Kg8) 37. e5 $18 Rxe2 38. Qxc4+ Re6 39. Rxe2 a6 40. Rd2 {Threatening mate with Rd7+.} Qf5 41. Rd7+ {White mates.} Kg6 42. Rxb7 h5 43. Qc7 {[%csl Gb7][%cal Rc7g7]} Qf8 44. Qd7 Re8 45. Qd3+ {Precision: White = 60%, Black = 44%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Moussard, Jules"]
[Black "Commercon, Simon"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2576"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,118,37,54,62,62,79,26,49,47,18,18,34,27,43,38,45,56,48,43,67,46,71,64,63,61,71,76,81,58,77,48,63,76,68,16,23,0,0,0,0,4,15,0,0,0,0,0,17,23,44,0,6,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-27,-27,-27,-27,-43,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. Qc2 Be7 9. d4 {LiveBook: 28 Games} cxd4 {E03: Open Catalan: 5 Qa4+ Nbd7 6 Qxc4} (9... O-O 10. Rd1 Qb6 11. Nc3 cxd4 12. Rxd4 Qc7 13. Be3 Nd5 14. Ng5 N7f6 15. Nxd5 {1-0 (15) Ni,H (2662)-Adly,A (2631) Shenzhen 2011}) 10. Nxd4 O-O 11. Nd2 (11. Nc3 $16) 11... Nc5 $146 {White has an edge.} ({Find the theoretical novelty and annotate with similar games:} 11... Bc5 12. N2b3 Bb6 13. Bd2 Re8 14. Rad1 {1-0 (35) Eliskases,E-Golombek,H Saltsjobaden 1952}) 12. N2b3 Nxb3 13. Nxb3 Nd5 {[%cal Bf6d5,Bd5b4,Bb4c6,Bc6e5,Be5g4][%mdl 32]} 14. Rd1 Qb6 15. e4 Nb4 16. Qc3 Nc6 17. Be3 Qb4 18. Qxb4 Bxb4 19. Nd4 {Hoping for Nxc6.} Ne5 20. Rac1 Ng4 21. Bd2 Bxd2 22. Rxd2 e5 23. Nf3 Re8 24. Rc7 h6 25. Nh4 (25. Rdc2 $14) 25... b5 26. Rd6 Nf6 27. Nf5 Bxf5 28. exf5 e4 29. h3 Re5 {[#] And now ...Ne8 would win.} 30. Rcc6 Rxf5 31. Rxa6 Rxa6 (31... Rc8 {NOTEXT} 32. Rdc6 Rd8 33. Rc2 h5 34. Ra7 g6) 32. Rxa6 {[%mdl 4096] Endgame KRB-KRN} Rd5 33. Ra8+ Kh7 34. Bf1 Rd1 35. Ra3 Nd5 36. Rb3 b4 37. Kg2 Rd4 38. Ba6 f5 39. Bb7 Nf6 40. Bc6 g5 41. a4 bxa3 $1 42. bxa3 Rd2 43. Kf1 Kg6 44. a4 Ra2 45. Rb6 Kg7 46. Rb4 h5 47. Rc4 Kg6 48. Ke1 h4 49. gxh4 gxh4 {Strongly threatening ...Ra3.} 50. f3 Ra3 {...Re3+ is the strong threat.} (50... exf3 {NOTEXT} 51. Rf4 Rc2 52. Bb7 Re2+ 53. Kf1 Rb2) 51. fxe4 {The position is equal.} fxe4 52. Bxe4+ Nxe4 53. Rxe4 Rxh3 {KR-KR} 54. Kf2 Kg5 55. Re3 Rh2+ 56. Kg1 Ra2 57. Re4 Kh5 58. Kh1 Kg5 59. Kg1 Kh5 {Precision: White = 67%, Black = 80%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Heimann, Andreas"]
[Black "Alonso Garcia, Aaron"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2574"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,109,57,90,50,54,33,40,41,79,39,55,41,87,63,68,48,54,27,35,22,29,27,42,32,58,52,65,37,53,52,73,46,101,51,57,54,59,45,69,35,50,57,104,97,185,104,150,147,147,141,183,174,276,258,267,275,281,270,266,249,309,280,286,277,275,275,307,293,331,321,297,293,485,485,609,566,564,552,557,548,543,548,664,674,658,622,750,731,839,824,785,734,12841,12841,29981,29982]} 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be2 c5 6. Nf3 Bg4 7. d5 O-O 8. O-O Na6 {LiveBook: 63 Games} 9. Ng5 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} (9. Be3 Bxf3 10. Bxf3 Nd7 11. Qd2 Nc7 12. Be2 a6 13. a4 Rb8 14. Rad1 Na8 15. Qc2 Qa5 16. Ra1 Rfe8 {1-0 (46) Wojtaszek,R (2715)-Lenic,L (2659) Dubai 2014}) 9... Bxe2 10. Qxe2 h6 11. Nf3 {[%cal Bg5f3,Bf3e1,Be1d3][%mdl 32] White is slightly better.} Nc7 12. Bf4 $146 ({Predecessor:} 12. Rd1 Nd7 13. Bf4 e5 14. dxe6 Nxe6 15. Bxd6 Re8 16. Nd5 Rc8 {1-0 (44) Stein,L-Velimirovic,D Ohrid 1972}) 12... Nh5 13. Bd2 e5 14. Ne1 Qd7 15. Nd3 b5 16. cxb5 (16. b3 {is interesting.} Rae8 17. Rae1 a6 18. g3 Nf6 19. Qd1) 16... Nxb5 17. Nxb5 Qxb5 18. Rab1 Rab8 19. b3 Nf6 20. Rfc1 Nd7 21. f3 Qa6 22. Rc2 Rfc8 23. Rbc1 Nb6 (23... f5 $14) 24. Be3 Kh7 25. Kf1 Qb5 26. Nb2 Qd7 $1 27. Bd2 f5 28. Kg1 f4 29. Qa6 Bf6 (29... g5 $16) 30. a4 (30. b4 $1 $18) 30... Qb7 31. Qxb7+ Rxb7 {[#]} 32. b4 $1 Nd7 {[#]} 33. Nc4 $1 {[%cal Rc4d6]} cxb4 (33... Be7 $142 34. Na5 Rb6) 34. Nxd6 $18 Rxc2 35. Rxc2 b3 36. Nxb7 bxc2 {[%mdl 4096] Endgame KBN-KBN} 37. Kf1 Nb6 38. Ke2 Nxa4 39. Kd3 Kg7 40. Kxc2 Kf7 41. Nd6+ Kf8 42. Nb5 Nb6 43. Nxa7 Be7 $2 (43... Nc4 {keeps fighting.} 44. Bc1 Ke7) 44. Kb3 Bd6 45. Ba5 Nd7 46. Kc4 Ke8 47. Kb5 Bc5 48. Nc6 Bf8 49. Bc7 Bg7 50. Na5 g5 51. Nc4 Ke7 52. Kc6 h5 53. Nb6 Nxb6 54. Bxb6 h4 55. h3 {Precision: White = 70%, Black = 28%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Grigoriants, Sergey"]
[Black "Linster, Philippe"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2568"]
[BlackElo "2258"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 39,65,12,13,12,20,15,20,18,195,182,177,158,161,164,164,172,170,46,162,151,152,129,139,145,129,89,97,27]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Be7 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (17... h6 18. Be3 Nc5 19. Qd2 h5 20. Bg5 Be7 21. Ra3 Nfd7 22. Bh6 Bf8 23. Bg5 Be7 24. Bh6 Bf8 25. Bg5 Be7 26. Bxe7 Qxe7 27. Rea1 Qf6 28. axb5 axb5 29. Rxa8 Rxa8 30. Rxa8+ Bxa8 31. Nf1 {½-½ (31) Zherebukh,Y (2621)-Swiercz,D (2638) Saint Louis 2017}) 18. Qd2 Nc5 19. Be3 Qc7 20. Nh2 h5 {LiveBook: 3 Games. White should prevent ...h4.} 21. Nf3 Nfd7 22. Ng5 Bf6 $146 ({Predecessor:} 22... Nxa4 23. Bxa4 bxa4 24. Rxa4 a5 25. Qd1 {Perry,D (2502)-Pugh,J (2473) ICCF email 2016}) 23. Qe2 bxa4 $2 {[#]} (23... Qd8 $11 {and Black stays safe.} 24. h4 Qe7) 24. Nxh5 $1 $18 {[%mdl 512]} gxh5 25. Qxh5 Nf8 26. Bxc5 $1 dxc5 27. d6 $1 {[%cal Rd6c7]} ({Much weaker is} 27. Bxa4 $6 Red8 $11) 27... Qxd6 {Threatens to win with ...Qe7.} 28. Qxf7+ Kh8 29. Qxe8 $1 Bxg5 30. Qf7 Qe7 {[#]} 31. Qxe7 $1 Bxe7 32. Rxa4 Ne6 {[#]} 33. g3 {Precision: White = 84%, Black = 72%.} ({But not} 33. Rxc4 Bc6 $11) (33. Rd1 $1 $16 {[%cal Rd1d7]} Bc6 34. Raa1 (34. Rxc4 Rb8 $15)) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Mikhalevski, Victor"]
[Black "Niegsch, Nicolas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2557"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,0,28,30,35,5,43,5,22,11,29,21,27,0,0,0,55,54,59,33,56,0,92,89,104,107,122,-41,21,15,211,240,237,234,314,326,314,315,385,373,380,373,375,384,457,445,445,422,397,393,468,461,996,704,802,778,770,769,739,715,2123,2140,29982,29977,29977,29978]} 1. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} e6 2. c4 f5 3. d5 (3. g3 Nf6 4. Bg2 d5 5. Nh3 Bd6 6. O-O O-O 7. Bf4 Be7 8. Nd2 Nc6 9. Nf3 dxc4 10. Rc1 Ne4 11. Be3 Nb4 12. Rxc4 b5 13. Rxb4 Bxb4 {½-½ (53) Korobov,A (2652)-Grischuk,A (2772) Huaian 2017}) 3... Nf6 4. Nc3 Bc5 $146 ({Predecessor:} 4... Bb4 5. g3 O-O 6. Bg2 Na6 7. Nf3 Ne4 8. Qc2 Qf6 9. Bd2 Nxd2 10. Nxd2 Bxc3 11. bxc3 e5 {½-½ (27) Battaglini,G (2451)-Picard,R (2368) Montpellier 2015}) 5. dxe6 d6 6. Nh3 {A84: Dutch Defence: 2 c4 Miscellaneous} Bxe6 7. Nf4 Bf7 8. g3 {White is slightly better.} c6 9. b3 Ng4 10. e3 O-O 11. Bg2 Qf6 12. Bb2 Qh6 (12... Ba3 $11 13. Qc2 (13. Bxa3 Qxc3+ 14. Kf1 Bxc4+ 15. Kg1 Nxe3 $15) 13... Bxb2 14. Qxb2 Nd7) 13. h3 Ne5 14. Nce2 Na6 15. Nd4 ({Better is} 15. h4 $14) 15... Bb4+ (15... g5 $1 $11 {keeps the balance.} 16. Nd3 Bg6) 16. Kf1 $16 g5 17. Nfe2 $36 {[%mdl 2048] Black is under strong pressure.} Bh5 18. f4 $2 {[#]} (18. h4 $16) 18... Nc5 (18... gxf4 $15 19. gxf4 (19. exf4 Bc5 $14) 19... Bc5) 19. a3 (19. fxe5 dxe5 20. h4 Ne4) 19... Ned3 $2 (19... Ba5 $1 $11) 20. axb4 $18 Nxb2 {[#]} 21. Qd2 $1 Ncd3 22. Nc1 Nxb4 23. Qxb2 ({Less strong is} 23. Qxb4 Nd1 $16) 23... Rae8 24. Qd2 c5 25. Nb5 a6 26. Nc7 Qg7 27. Nxe8 Qxa1 28. Nc7 gxf4 29. gxf4 Rf7 30. Bd5 Nd3 (30... Nxd5 $142 31. Nxd5 Bf3) 31. Qxd3 Qxc1+ 32. Kf2 {[%cal Bf1f2,Bf2g3,Bg3h4][%mdl 32]} Qb2+ 33. Kg3 Qg7+ 34. Kh4 Kh8 35. Ne8 Qh6 36. Qc3+ Kg8 37. Nf6+ {Precision: White = 55%, Black = 25%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Santos Latasa, Jaime"]
[Black "Leeb, Simon"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2549"]
[BlackElo "2255"]
[Annotator "TA RC"]
[PlyCount "149"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,149,25,39,16,16,16,22,16,16,16,22,17,43,12,23,17,29,8,14,0,13,0,33,13,39,19,35,27,28,10,10,8,27,21,28,23,14,24,16,1,16,0,0,-2,0,-34,-35,-26,-8,-30,-30,-16,59,-51,-8,-20,4,-10,-10,-23,0,0,70,39,139,139,139,84,166,104,95,58,387,371,408,402,426,423,392,405,471,29,28,25,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-175,0,0,0,0,0,0,0,0,0,0,0,0,0,0,399,372,569,568,438,21,392,359,1326,1008,1008,528,487,387,4134,2158,29973,2805,29973,29975,29974,29975,29974,29975,29937,11364]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bf5 5. cxd5 Nxd5 {LiveBook: 27 Games} 6. Nxd5 {A11: English Opening: 1...c6} Qxd5 7. d3 Bg4 8. Be2 $146 {The position is equal.} ({Predecessor:} 8. h3 Bxf3 9. Qxf3 Qxf3 10. gxf3 e5 11. Bd2 Na6 12. a3 Nc5 13. Bc3 Nb3 {½-½ (55) Harika,D (2504)-Huang,Q (2450) China 2017}) 8... e5 9. O-O Nd7 10. h3 Bh5 11. Qc2 Be7 12. Rd1 Qc5 13. Qb3 Qb6 14. Qa4 Qb4 15. Qc2 Qc5 16. Qb1 Rd8 17. Bd2 O-O 18. b4 Qd6 19. Bc3 Bf6 20. a4 Nb6 21. e4 Nd7 22. Qb2 Bxf3 23. Bxf3 Rfe8 24. b5 c5 25. Bd2 Nf8 26. Be3 Ne6 27. Rd2 Bg5 28. Rdd1 h6 29. Rac1 Nd4 30. Bg4 Qb6 (30... b6 $11) 31. Qa3 (31. Bxg5 $14 hxg5 32. Qa3) 31... Be7 32. Qa2 Bf8 33. Rb1 Qg6 34. Rdc1 Kh8 35. a5 Be7 (35... b6 $1 $11) 36. Rc4 Ne6 (36... b6 $14) 37. b6 $16 a6 38. Qc2 (38. Bxe6 $142 Qxe6 39. Qc2) 38... Nf4 {[#]} (38... Nd4 $16 39. Bxd4 exd4) 39. g3 (39. Bxf4 $1 $18 exf4 40. Bf3) 39... Nxd3 40. Qc3 {aiming for Rd1.} Bf8 $2 {[%mdl 8192]} ({Better is} 40... h5 $14 41. Bf5 Qc6) 41. Rd1 $18 Nb4 42. Rxd8 Rxd8 43. Bxc5 Bxc5 44. Rxc5 Nc6 {[#]} 45. Rd5 $2 ({Only move:} 45. Rxc6 $1 $18 {[%mdl 512]} Qxc6 (45... bxc6 46. Qxe5) 46. Qxc6 bxc6 47. Be2) 45... Qxe4 $11 46. Rxd8+ Nxd8 47. Qc8 Qd5 48. Bd7 Qd1+ 49. Kh2 Qf3 50. Qc5 Kg8 51. Bg4 Qf6 52. Kg1 g6 53. Bc8 e4 54. h4 h5 55. Bh3 $2 (55. Qc7 $11) 55... Qc6 $2 (55... Qa1+ $19 56. Kg2 Qa2) 56. Qe7 Qd5 57. Bd7 $36 {[%mdl 2048] White is more active.} Ne6 58. Bxe6 $1 fxe6 {[%mdl 4096] Endgame KQ-KQ} 59. Qf6 Kh7 60. Qf7+ Kh6 61. Qg8 {[%cal Rg8h8]} Qe5 62. Qf8+ Qg7 $2 {[%mdl 8192]} (62... Kh7 $11 {and Black stays safe.}) 63. Qf4+ $18 Kh7 (63... g5 $142 64. Qxe4 gxh4) 64. Qxe4 Qd7 65. Qe5 $2 ({White should play} 65. Qf4 $18 {Black must now prevent Qc7.} Kg8 66. Qf6) 65... Kg8 $2 {[%mdl 8192]} (65... Qd5 $1 $11 66. Qc7+ Kg8) 66. Qf6 Qf7 $2 (66... Qd5 67. Qxg6+ Kf8 68. Qf6+ Ke8) 67. Qd8+ Kg7 68. Kg2 e5 69. Qd6 Kg8 $2 (69... e4 70. Qd4+ Kh7 71. Qxe4 Kg8) 70. Qxe5 Kf8 71. Qd6+ (71. Qb8+ $142 Kg7 72. Qd8 Qe6 73. Qc7+ Qf7 74. Qxf7+ Kxf7 75. Kf3 Ke7 76. g4) 71... Kg7 72. Qc7 {White mates.} Kf6 73. Qxf7+ Kxf7 74. Kf3 Ke6 75. Ke4 {Precision: White = 51%, Black = 40%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Danin, Alexandre"]
[Black "Wachinger, Nikolas"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2540"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,144,-22,-13,-14,-22,-8,-21,-16,-73,-20,-70,0,0,0,0,8,0,21,10,16,16,8,1,37,7,4,5,6,6,8,11,62,61,52,56,51,63,52,58,64,61,76,62,58,51,48,53,54,41,62,40,63,63,70,70,68,68,74,68,66,68,75,24,76,75,75,75,81,81,81,80,80,79,116,68,68,68,68,64,64,64,64,64,64,68,119,125,279,279,279,279,266,266,266,266,271,270,279,279,279,130,166,166,279,166,166,166,166,231,8,8,8,8,8,10,13,0,13,0,13,13,915,880,5068,5061,29980,29980,29982,29983,29983,29984,29983,29984,29990,29991,29991]} 1. d4 Nf6 2. g3 d5 3. Nf3 c5 4. Bg2 cxd4 5. Nxd4 e5 6. Nb3 Be6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 7. O-O h6 (7... Be7 8. Bg5 Nbd7 9. Nc3 Rc8 10. e3 h6 11. Bxf6 Nxf6 12. Qe2 Qb6 13. Rfd1 e4 14. a4 {0-1 (29) Panchanathan,M (2494)-Vidit,S (2670) Reykjavik 2017}) 8. Nc3 Nc6 {The position is equal.} 9. Qd3 $146 (9. f4 $11 {keeps the balance.}) ({Predecessor:} 9. f4 exf4 10. Bxf4 Qb6+ 11. Kh1 d4 12. Ne4 Nd5 13. c3 f5 14. Ned2 Nxf4 15. Rxf4 dxc3 16. bxc3 {1-0 (31) Gabrielian,A (2520)-Sek,K (2450) Sochi 2016}) 9... Nb4 (9... Qd7 $17) 10. Qd2 Bf5 (10... a5 $15 11. a3 Nc6) 11. e4 $11 dxe4 12. Qe2 {[%cal Rc3e4]} Qc7 13. Nxe4 Nxe4 (13... Nxc2 {feels hotter.} 14. Rb1 a5 15. Nxf6+ gxf6 16. Qf3 Qd7) 14. Bxe4 Bxe4 15. Qxe4 Be7 16. Bd2 Nc6 17. Bc3 O-O 18. Rfe1 {[%cal Rc3e5]} Rac8 19. Rad1 {[%cal Rc3e5]} Rfd8 (19... f6 {with more complications.} 20. Qc4+ Kh8 21. Rd3 b6 22. Red1 Rcd8) 20. Rxd8+ Bxd8 (20... Qxd8 $11 21. Qg4 (21. Bxe5 Nxe5 22. Qxe5 Bf6 $11) 21... g6) 21. Bxe5 $14 Nxe5 22. Qxe5 Qxe5 23. Rxe5 $11 {[%mdl 4096] Endgame KRB-KRN} Bf6 24. Rc5 Re8 25. Rc7 Re1+ 26. Kg2 Rb1 27. Rxb7 Rxb2 28. Rxa7 Rxc2 29. Kf1 Rb2 30. Ra4 Be7 31. Re4 Ba3 32. Re2 {Black must now prevent Rxb2.} Rb1+ $1 33. Kg2 g6 34. Rc2 Kg7 35. h4 h5 36. Nd4 (36. Kf3 $16) 36... Kf6 (36... Rb4 $11 37. Ne2 Re4) 37. Nf3 Be7 38. Re2 Bd8 39. Re8 Be7 40. Ng5 Rb2 41. a4 Ra2 42. Ne4+ Ke6 43. Ra8 Kf5 44. Nc3 Rc2 45. Ra5+ Ke6 46. Ne4 Ra2 47. Ra7 Bd8 (47... Ra1 $14) 48. Ra6+ $16 Ke5 $2 (48... Ke7 $16 {was worth a try.} 49. Ng5 Ke8) 49. Nd6 $18 Ke6 50. Nb7+ $1 Ke7 51. Nxd8 Kxd8 {KR-KR} 52. Ra7 Ke8 53. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Kf8 54. a6 Kg7 55. Kf3 (55. Kf1 $18) 55... Kf6 $16 {[#]} 56. Ke3 $1 Ke6 (56... g5 $142 57. hxg5+ Kxg5) 57. Kd4 (57. f3 $142) 57... Rxf2 $18 {[#]} 58. Rc7 $1 {Strongly threatening a7.} Ra2 59. a7 f6 60. Kc5 {Hoping for Kb6.} Kf5 $1 61. Kb5 {And now Rc5+ would win.} Rb2+ $1 62. Ka4 Ra2+ 63. Kb5 {Threatens to win with Rc5+.} Rb2+ $1 64. Ka4 Ra2+ 65. Kb3 Ra6 $2 {[%mdl 8192]} (65... Ra1 $11) 66. Kb4 Kg4 67. Kb5 Rxa7 68. Rxa7 {White mates.} Kxg3 69. Rg7 g5 70. hxg5 fxg5 71. Rxg5+ Kh4 72. Rg6 Kh3 {Precision: White = 65%, Black = 55%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Kollars, Dmitrij"]
[Black "Lavrinenkov, Vadim"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2534"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,162,16,0,22,14,19,11,11,11,7,0,18,5,21,23,19,20,17,8,16,0,0,-6,-4,-14,-14,-11,-12,-37,0,-14,0,0,46,60,60,60,60,60,60,60,66,41,41,41,41,44,44,46,66,55,120,44,110,113,196,113,154,144,138,116,137,145,154,144,209,172,184,156,149,149,221,221,231,228,231,222,335,343,314,301,295,288,361,347,338,345,397,397,550,424,491,489,647,601,964,772,1420,1328,1567,1485,1485,1025,1572,1165,2158,2093,2163,2156,2038,1577,1418,1328,1328,1090,29973,29975,29976,29980,29980,29981,29986,29979,29978,29979,29981,29980,29980,29979,29980,29981,29981,29979,29982,29983,29983,29984,29984,29985,29991,29993,29993,29994,29994,29995,29995,29996,29996,29997,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nc3 Qe7 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} (6... O-O 7. Be3 Bd6 8. Bg5 Re8 9. h3 c5 10. Nd5 Be7 11. Nxe7+ Qxe7 12. O-O h6 13. Be3 Nd7 14. Nd2 {1-0 (29) Carlsen,M (2837)-Karjakin,S (2760) Riadh 2017}) 7. Be3 {LiveBook: 4 Games} Bd7 $146 ({Predecessor:} 7... Bb4 8. h3 Bxc3+ 9. bxc3 Nd7 10. O-O Nf8 11. Qb1 a5 12. Qb2 f6 13. Nh4 b6 14. f4 exf4 15. Bxf4 {½-½ (46) Motylev,A (2663)-Inarkiev,E (2693) Poikovsky 2013}) 8. Bxc5 Qxc5 {The position is equal.} 9. Qd2 O-O 10. h3 Rfe8 11. O-O Rad8 12. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} Bc8 13. Ng3 Nd7 14. b4 Qd6 15. Nf5 Qf6 16. Nh2 Nf8 17. Ng4 Qg6 18. f4 Bxf5 19. exf5 Qxf5 20. fxe5 Qg6 21. Qe3 b6 22. Rf3 {aiming for Rg3.} h5 {[#]} 23. Nf6+ $1 {[%mdl 512]} gxf6 24. Rg3 {Qf3 is the strong threat.} Rxe5 25. Rxg6+ fxg6 26. Qf2 $36 {[%mdl 2048] White is pushing.} Kf7 27. Re1 Rxe1+ 28. Qxe1 $14 {[%mdl 4096] Endgame KQ-KRN} Ne6 29. Qc3 {[%mdl 1024] White has compensation.} c5 30. a3 Rd5 31. Qc4 Rg5 (31... Rd4 $14 32. Qc3 Rd8) 32. c3 (32. Qa6 $1 $16) 32... Ke7 (32... Re5 $1 $14) 33. Qe4 $16 Kd6 (33... cxb4 $16 34. axb4 Kd7) 34. bxc5+ (34. b5 $18) 34... Rxc5 35. Qxg6 Rxc3 36. Qxh5 ({Much worse is} 36. Qxf6 $6 Rxa3 37. Qf3 a5 $11) 36... Rxd3 {[#]} 37. Qg4 $1 Ke7 38. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} Rd7 (38... a5 $16 {keeps fighting.}) 39. Qf5 c5 40. h5 Ng5 41. h6 Rd8 (41... Rd1+ $16 42. Kf2 Rh1) 42. Qf4 $18 Rc8 43. Kf2 Kf7 {[#]} 44. Qg4 $1 {[%cal Rg4c8]} Rd8 (44... Re8 $142 45. h7 Kg6) 45. Qa4 a5 46. Qc6 Kg6 47. Qc7 ({Don't take} 47. Qxb6 $6 Rd4 $18) 47... Nf7 48. Qxb6 Rd2+ 49. Kf1 c4 50. Qxa5 Rd3 51. a4 Nxh6 52. Qc5 Nf5 53. g4 Ne3+ 54. Ke2 Nxg4 55. Qxc4 Rg3 56. Qf4 Rg1 57. a5 f5 58. Qd6+ Kg5 59. a6 Ra1 60. Qe7+ Kf4 61. a7 Ra2+ 62. Kd1 Kg3 63. Qb7 f4 64. a8=Q {White mates.} Rxa8 65. Qxa8 f3 66. Qb8+ Kg2 67. Qg8 Kg3 68. Qg5 Kh3 69. Ke1 Kg3 70. Kf1 f2 71. Ke2 Kh3 72. Qf5 Kg3 73. Qf3+ Kh4 74. Qf4 Kh3 75. Kf1 Nh2+ 76. Kxf2 {[%csl Gf2][%cal Rf4g3]} Ng4+ 77. Ke2 Nh2 78. Qg5 Ng4 79. Kf3 {[%cal Rg5h5]} Nh2+ 80. Kf4 {[%csl Gf4][%cal Rg5g3]} Nf1 81. Qg1 Ng3 82. Qxg3# {Precision: White = 73%, Black = 38%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Lobron, Eric"]
[Black "Tuomainen, Felix"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2503"]
[BlackElo "2242"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,57,58,55,46,43,30,57,56,60,53,77,75,84,87,77,50,58,59,68,68,68,66,69,58,63,54,65,75,87,77,93,82,238,239,156,104,489,486,2256,2179,2165,2125]} 1. Nf3 d6 2. d4 Bg4 3. e3 Nd7 4. Be2 g6 5. h3 Bxf3 6. Bxf3 c6 7. c4 Bg7 8. Nc3 Ngf6 9. O-O O-O 10. b3 {E61: King's Indian: Early deviations for White, including Smyslov System} Re8 11. Qc2 Qc7 12. Rd1 {White is slightly better.} Rad8 $146 ({Predecessor:} 12... e5 13. Bb2 exd4 14. Rxd4 d5 15. cxd5 cxd5 16. Rc1 Ne4 17. Nxd5 Qxc2 18. Rxc2 Bxd4 19. Bxd4 {1-0 (64) Bischoff,K (2561)-Bellini,F (2503) playchess.com INT 2003}) 13. Bb2 b5 14. cxb5 cxb5 15. Rac1 Qb6 16. Nd5 Nxd5 17. Bxd5 e6 18. Bc6 d5 19. a4 b4 {White should prevent ...Rc8.} 20. Qe2 a6 21. Rc2 Re7 22. a5 Qa7 23. Ba4 Bf8 24. Rdc1 {And now Rc7 would win.} Nb8 $2 (24... Nf6 $16) 25. e4 $18 Qb7 26. exd5 (26. Qe3 $142) 26... Bh6 $2 {[%mdl 8192] [#]} (26... exd5 $16 27. Qd2 h6) 27. d6 $1 {[%cal Rd6e7][%mdl 512] White is clearly winning.} Rxd6 (27... Red7 $142 28. Bxd7 Bxc1) 28. Rc8+ Bf8 29. Qe5 {Precision: White = 71%, Black = 46%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Korpa, Bence"]
[Black "Hristodorescu, Daniel"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2502"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,46,48,71,69,66,69,81,83,77,71,81,89,82,65,104,102,120,112,112,113,123,120,117,108,142,143,134,96,130,133,134,131,138,141,154,149,169,143,216,158,170,158,148,57,106,29,29,15,39,0,0,0,99,99,179,66,77,147,171,166,297,315,391,305]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. c4 d6 6. O-O c6 7. Nc3 Bf5 8. Ne1 Qc8 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (8... Be6 9. d5 cxd5 10. cxd5 Bd7 11. Be3 a5 12. Bd4 Na6 13. Nd3 b5 14. a3 b4 15. axb4 Nxb4 16. Qd2 Rb8 17. Nxb4 Rxb4 {0-1 (57) Ding,L (2774)-Carlsen,M (2837) Saint Louis 2017}) 9. e4 {LiveBook: 75 Games} Bg4 10. f3 $146 ({Predecessor:} 10. Qb3 Na6 11. Be3 Rb8 12. Nd3 Bh3 13. f3 Bxg2 14. Kxg2 Nc7 15. Rac1 Nd7 16. Ne2 {1-0 (44) Kurajica,B (2585)-Mohr,G (2430) Pula 1995}) 10... Be6 {White is slightly better.} 11. d5 Bd7 12. Be3 cxd5 13. cxd5 b5 14. Rc1 {And now Nxb5! would win.} Qb7 15. Nd3 b4 16. Ne2 {[%cal Bc3e2,Be2d4,Bd4c6][%mdl 32]} a5 17. Nd4 Na6 18. Nc6 Bxc6 19. dxc6 Qb5 20. Rf2 Rfc8 21. Bf1 $1 Qb8 22. Nf4 Nc5 23. Nd5 $1 {[%cal Rd5e7]} (23. Bxc5 $6 dxc5 24. Rxc5 Qb6 $14) 23... Nxd5 24. exd5 a4 25. Kg2 b3 26. a3 $1 (26. Bxc5 dxc5 27. axb3 Qxb3 $16) 26... h6 27. Qd2 Kh7 (27... h5 $16 {keeps fighting.} 28. Bxc5 dxc5) 28. g4 (28. Bxc5 dxc5 29. Rxc5 Qd6) 28... Qc7 29. h4 e6 {[#] intending ...exd5.} 30. h5 ({Don't take} 30. Bxc5 $6 dxc5 31. dxe6 (31. Rxc5 Qd6 $11) 31... Bf6 $14) (30. Bc4 $1 $16) 30... gxh5 31. Bd3+ (31. Bc4 $16) 31... Nxd3 $11 32. Qxd3+ Kh8 33. Rh1 ({Of course not} 33. gxh5 Rg8 $11) 33... Ra5 34. dxe6 fxe6 {[#]} (34... Re5 $11 {remains equal.}) 35. Qg6 $1 $36 {[%mdl 2048] White is in control.} Rg8 (35... Kg8 $16 {is a better defense.}) 36. Rxh5 ({White should play} 36. Bxh6 $18 Bd4 37. Qe4 Bxf2 38. Kxf2) 36... Rxh5 $14 37. Qxh5 Kh7 38. Qb5 Ra8 (38... Rb8 $142 39. Qxa4 d5) 39. Bb6 $18 Qf7 40. c7 {Precision: White = 67%, Black = 44%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bellahcene, Bilel"]
[Black "Blasco Coll, Andreu"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2488"]
[BlackElo "2237"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,120,-2,0,-16,0,-5,5,0,12,-8,-20,-13,-10,-38,8,0,5,0,10,-14,-25,-19,-4,-40,-8,-8,-8,-8,0,-8,0,-90,-101,-93,-34,-42,0,-34,-34,-34,-34,-34,-34,-34,-34,-41,-41,-47,-34,-34,-34,-34,-34,-64,-55,-66,-48,-110,-110,-147,-146,-146,-146,-147,-146,-210,-77,-77,-77,-77,0,-84,-84,-104,-77,-77,-77,-104,-61,-144,-130,-202,-197,-204,-194,-206,-212,-200,-212,-199,-187,-295,-277,-308,-295,-224,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {B12: Caro-Kann: Advance Variation} Qa5+ 7. Nd2 e6 8. Ngf3 (8. Ne2 Ne7 9. O-O Nf5 10. Nf3 Qa6 11. Qd1 Be7 12. g3 c5 {½-½ (67) Nakamura,H (2787)-Artemiev,V (2697) Moscow 2018}) 8... Ne7 9. O-O Nf5 10. c4 Be7 {LiveBook: 5 Games} 11. g3 Nd7 12. Rd1 Rd8 13. Qe2 $146 g6 14. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} Qa6 15. b3 Nb6 16. Bb2 O-O 17. a4 c5 18. a5 Nd7 19. dxc5 Bxc5 20. Kf1 Nb8 21. Rdc1 Be7 22. c5 Qxe2+ 23. Kxe2 a6 24. Ra4 Nc6 25. g4 (25. Ne1 $11) 25... hxg4 $17 26. Rxg4 Ng7 (26... Kh7 $17 27. b4 Rh8) 27. b4 Nh5 28. Rcg1 Kg7 {[%cal Bg8g7,Bg7f8,Bf8e8,Be8d7][%mdl 32]} 29. Ne1 Rh8 30. Nd3 Kf8 31. Nf3 Ke8 32. Rb1 Ng7 33. Bc3 Na7 {[%cal Bc6a7,Ba7b5,Bb5d4][%mdl 32]} 34. Rh1 Nb5 35. Bd2 Nf5 36. Nde1 Kd7 37. Ng2 Rh5 38. Ng5 (38. Nf4 $15) 38... Nbd4+ 39. Kd3 Nc6 40. f4 Bxg5 41. Rxg5 Rdh8 42. Rxh5 (42. Rg4 $17 {was necessary.}) 42... Rxh5 (42... gxh5 $19 {is more deadly.} 43. Ne3 Nxe3 44. Kxe3 Ne7) 43. Be1 Nce7 44. Bf2 Nc6 (44... Rh8 $17) 45. Kc3 (45. Be1 $1 $11) 45... Ng7 46. Rb1 Na7 47. Kd2 Nf5 48. Ke2 Kc6 49. Kd3 (49. Rh1 $15) 49... Kb5 $1 50. Be1 (50. Kc2 $17 {might work better.}) 50... Nc6 $19 51. Bf2 d4 52. Ke4 Rh8 ({But not} 52... Nxb4 $2 53. Be1 $18) 53. Ne1 Nxh4 54. Nc2 {[#]} Nf5 $1 55. Na3+ (55. Nxd4+ {is a better defense.} Ncxd4 56. Bxd4) 55... Ka4 56. Nc4 Rh2 ({Stronger than} 56... Nxb4 57. Nb6+ Kxa5 58. Be1 $11) 57. Be1 Rh3 $2 ({Better is} 57... Rh1 $19 58. Kf3 {[#]} Ne3 $1 {[%mdl 512]} 59. Nxe3 Rh3+ 60. Bg3 dxe3) 58. Ra1+ $11 {The position is equal.} Kb5 (58... Kb3 $5 59. Ra3+ $8 Kxc4 60. Rxh3 Ne3 $11) 59. Na3+ Ka4 {[%csl Gd4,Gf5][%cal Rh3e3]} 60. Nc4+ Kb5 {Precision: White = 36%, Black = 58%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Baldauf, Marco"]
[Black "Schneider, Jana"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2481"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,97,28,18,17,12,15,40,44,68,0,27,3,0,14,38,-23,-29,-26,-28,-24,-35,-30,0,0,0,9,0,0,51,41,152,0,110,13,40,15,44,38,134,113,64,79,235,102,395,383,727,587,522,230,230,230,230,230,29989,230,230,238,201,173,173,117,116,60,58,58,130,68,77,20,12,12,12,12,16,0,0,0,0,0,0,0,0,0,0,-1040]} 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 {LiveBook: 10 Games} 8. O-O {A28: English Opening: Four Knights Variation} (8. d4 Bd6 9. O-O O-O 10. Bxc6 Bxc6 11. dxe5 Bxf3 12. Qxf3 Bxe5 13. Ba3 c5 14. Bxc5 Bxh2+ 15. Kxh2 Qc7+ 16. Kg1 Qxc5 17. Qxb7 {½-½ (55) Shariyazdanov,A (2572)-Khismatullin,D (2674) Khanty-Mansiysk 2013}) 8... e4 9. Nd4 Ne5 10. Rb1 $146 {White is slightly better.} ({Predecessor:} 10. Bxd7+ Qxd7 11. Qc2 Nd3 12. f3 c5 13. Ne2 Rd8 14. fxe4 Bd6 15. Nf4 Bxf4 16. exf4 {0-1 (41) Beilfuss,W (2250)-Algars,O (1960) Vienna 2015}) 10... c6 11. Ba4 (11. f4 $1 $14 exf3 12. Nxf3) 11... Qc7 12. f3 exf3 13. Nxf3 Bd6 14. d4 (14. Nxe5 $14 Bxe5 15. Qh5) 14... Nxf3+ $11 15. Qxf3 Bxh2+ 16. Kh1 O-O-O $1 17. e4 {Strongly threatening e5.} Bd6 (17... Qg3 {is more complex.} 18. Qxg3 Bxg3 19. Rf3 Bb8 20. Rxf7 Rdf8) 18. e5 Be7 19. Bb3 $36 {[%mdl 2048] White has the initiative.} Be6 20. Be3 h5 (20... Rhf8 $11) 21. c4 {[%cal Bc3c4,Bc4c5][%mdl 1056] White has compensation.} Qd7 (21... Bg4 $1 $14 22. Qxf7 c5) 22. Qf4 $2 ({White should try} 22. d5 $1 $16 {[%cal Rd5e6]} cxd5 23. cxd5 Bxd5 24. Bxd5 Qxd5 25. Qxf7 Qxf7 26. Rxf7) 22... b6 (22... g5 $1 $11 23. Qe4 Kb8) 23. Rbd1 ({White should play} 23. Qf2 $16) 23... Bg4 (23... f6 $5) 24. Rd2 {Threatening d5.} f6 25. c5 Rhf8 {[#]} (25... fxe5 $1 $14 26. dxe5 Qc7) 26. e6 $1 $16 {[%cal Re6d7]} Bxe6 {[#] White must now prevent ...g5.} 27. d5 $1 {[%mdl 512]} Bxd5 $2 (27... g5 $16 28. Qg3 (28. dxe6 Qxd2 29. Qf3 Qb4 $11) 28... Bxd5 29. Bxd5 cxd5 30. cxb6 Qd6) (27... cxd5 28. cxb6) 28. Bxd5 (28. Rxd5 $18 {is the precise move to win.} cxd5 29. cxb6 axb6 30. Bxb6) 28... cxd5 $4 {[%mdl 8192]} (28... g5 $16 29. Qf3 cxd5) 29. cxb6 $18 axb6 $2 (29... Bd6 30. Qf3 (30. bxa7 Kb7 $18) 30... Kb7) 30. Bxb6 {Threatens to win with Rc2+.} Bd6 31. Qf3 (31. Rc1+ $142 Kb8 32. Qf3) 31... Qg4 32. Rc1+ ({Not} 32. Rxd5 Qh4+ 33. Qh3+ Qxh3+ 34. gxh3 Bc7 $11) 32... Kb8 {aiming for ...Qxf3.} 33. Bxd8 {Threatening mate with Rb2+.} Rxd8 $2 (33... Qxf3 $18 34. gxf3 (34. Rb2+ Ka7 $16) 34... Rxd8 35. Rxd5 g5) 34. Rxd5 $2 (34. Rb2+ {mates} Bb4 35. Qc3 Qc4 36. Rxb4+ Kc7 37. Rxc4+ dxc4 38. Qxc4+ Kd6 39. Qe4) 34... Qxf3 35. gxf3 {[%mdl 4096] Endgame KRR-KRB} g5 36. Rc6 Be7 37. Rb5+ (37. Rb6+ $18 Kc7 38. Rxd8 Bxd8 39. Ra6) 37... Ka7 $16 38. a4 ({Better is} 38. Rc7+ $16 Ka6 39. a4 Rd1+ 40. Kg2 Rd2+ 41. Kf1) 38... Rd1+ $14 39. Kg2 Bd8 (39... Bd6 $14) 40. Rc8 (40. a5 $16) 40... Bb6 41. Re8 (41. Rc4 $16) 41... Rd2+ $11 {The position is equal.} 42. Kf1 Rf2+ 43. Ke1 Rxf3 44. Re7+ Ka6 45. Ke2 Rf2+ 46. Ke1 Rf3 $1 47. Ke2 Rf2+ 48. Kd3 Rf3+ 49. Ke4 $2 {[%mdl 40960] Precision: White = 33%, Black = 34%. . An unexpected result.} (49. Kc2 $11 Rf2+ 50. Kd3 Rf3+ 51. Ke2) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Fedorovsky, Michael"]
[Black "Svane, Frederik"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2471"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,55,23,34,41,31,45,34,52,50,73,54,84,95,72,88,91,-36,105,96,113,103,131,133,165,170,213,213,210,210,217,214,879,851,1145,1117,2379,2370,2304,1204,2235,2054,29996,29997,29997,29998]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. f3 d5 5. cxd5 Nxd5 6. Nxd5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} Qxd5 7. e4 {LiveBook: 23 Games} Qd8 (7... Qd7 8. Bc4 g6 9. Qb3 e6 10. Ne2 Nc6 11. Bd2 Bg7 12. d5 exd5 13. Bxd5 Nd4 14. Nxd4 Bxd5 15. exd5 Bxd4 {1-0 (56) Aleksandrov,A (2589)-Stupak,K (2588) Katowice 2017}) 8. Be3 {White is slightly better.} e6 9. Bc4 $146 ({Predecessor:} 9. Qb3 Be7 10. Bd3 O-O 11. Ne2 Nd7 12. O-O-O c6 13. Kb1 Rc8 {1-0 (73) Dubinin,P-Chekhover,V Leningrad (Russia) 1934}) 9... g6 10. Ne2 Bg7 11. Qd2 Nd7 12. Bg5 Bf6 13. Bh6 c5 14. e5 (14. d5 $16) 14... Bh4+ (14... Bxe5 $1 $15 {stays ahead.} 15. Rd1 cxd4) 15. g3 $1 $16 Be7 16. d5 $1 $36 {[%cal Rd5e6][%mdl 2048] White is really pushing.} b5 17. Bxb5 exd5 {[#]} 18. Nf4 $1 {[%cal Rf4d5]} Bg5 {[#]} 19. Bxg5 $1 Qxg5 20. e6 fxe6 21. Nxe6 Qe5+ $2 (21... Qxd2+ 22. Kxd2 a6) 22. Kf2 $18 ({Not} 22. Qe2 Qxe2+ 23. Kxe2 Rc8 $14) 22... Qd6 23. Rhe1 Kf7 24. Qh6 Ne5 25. Qg7+ Kxe6 26. f4 Qd8 27. Rxe5+ Kd6 28. Qxb7 {Precision: White = 72%, Black = 34%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "2"]
[White "Keymer, Vincent"]
[Black "Hamburg, Philipp"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2403"]
[BlackElo "2204"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Neukirchner, Pascal"]
[Black "Rapport, Richard"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2285"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,76,27,24,40,24,25,21,39,17,28,0,34,4,7,11,9,5,12,3,16,25,21,28,33,31,22,18,39,0,19,0,-17,-18,-30,-54,-60,-39,-52,-66,-39,-33,-30,-68,-68,-69,-62,-68,-62,-61,-69,-129,-108,-116,-72,-139,-131,-116,-109,-254,-258,-522,-535,-501,-296,-715,-714]} 1. d4 e6 2. c4 Nf6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} Ne4 (6... O-O 7. O-O c6 8. Qb3 Nbd7 9. Bf4 a5 10. Rd1 Nh5 11. Bc1 Nhf6 12. Nbd2 b5 13. c5 b4 14. Qc2 a4 15. Re1 e5 16. Nxe5 Nxe5 17. dxe5 {1-0 (33) Caruana,F (2784)-So,W (2799) Berlin 2018}) 7. O-O {LiveBook: 7 Games} f5 8. Nc3 {White is slightly better.} c6 9. Bf4 Nd7 10. h4 O-O 11. Rc1 Qe8 $146 ({Predecessor:} 11... h6 12. Ne5 Qe8 13. Nxd7 Bxd7 14. cxd5 Nxc3 15. bxc3 cxd5 16. c4 Bc6 17. cxd5 exd5 {½-½ (47) Majchrak,J-Cibulka,V Prievidza 1973}) 12. Ne5 Nxe5 13. Bxe5 Nd6 14. cxd5 exd5 15. Qb3 {[#] Black must now prevent Nxd5!} Kh8 16. e3 Nc4 17. Qc2 Be6 18. Ne2 a5 19. Nf4 Bg8 20. Bh3 a4 21. Bxf5 Bd8 22. Bg6 Qe7 23. Bh5 Nxe5 24. dxe5 Qxe5 25. Bg4 Bf6 26. Nd3 Qe4 27. Bh3 d4 28. Bg2 Qg4 $36 {[%mdl 2048] Hoping for ...dxe3. Black has some pressure.} 29. e4 Bxa2 30. e5 Be7 31. Rce1 (31. Rfe1 $15) 31... Bb3 32. Qd2 Qe6 33. f4 ({Better is} 33. Rc1) 33... a3 34. bxa3 Rxa3 {[#] aiming for ...Qg6.} 35. Be4 (35. Ra1 $17 {was called for.}) 35... Ra2 $19 36. Nb2 $2 (36. f5 {was forced.} Qxf5 37. Rxf5 Rxd2 38. Rb1 Rxf5 39. Rxb3) 36... Ba3 37. Rb1 c5 38. Rf3 $2 (38. Qg2) 38... Bd5 {Precision: White = 29%, Black = 54%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Reza, Wojciech"]
[Black "Andreikin, Dmitry"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2283"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,2,-6,36,16,31,14,37,35,39,-68,-65,-114,-83,-106,-102,-109,-97,-68,-42,-40,-42,-37,-38,-38,-21,-38,-58,-52,-47,-80,-58,-96,-84,-152,-102,-114,-84,-78,-73,-111,-163,-157,-165,-128,-67,-79,-70,-163,-156,-195,-93,-88,-89,-79,-76,-5351,-5306,-29984,-29984,-29991,-29992,-29992,-29993,-29993,-29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qf3 g6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 7. Be3 Bg7 8. h3 {LiveBook: 90 Games} h5 {The position is equal.} 9. Bc4 $146 ({Predecessor:} 9. O-O-O Nbd7 10. Bg5 Qc7 11. Kb1 Rb8 12. Qe3 b5 13. Nd5 Nxd5 14. exd5 {½-½ (85) Rodin,M (2357)-Smirnov,P (2625) Saratov 2006}) 9... Nbd7 10. Bb3 Nc5 11. Rd1 Bd7 12. e5 (12. O-O $14) 12... dxe5 $15 13. Nf5 gxf5 14. Bxc5 Qc7 15. Rxd7 Nxd7 16. Qxf5 e6 ({Stronger than} 16... Qxc5 17. Qxf7+ Kd8 18. Qxg7 $16) 17. Bxe6 $1 Nxc5 18. Nd5 $1 {[%cal Rd5c7]} Nxe6 19. Nxc7+ Nxc7 20. Qe4 O-O-O 21. O-O Kb8 22. c3 h4 23. Qf3 Rd7 24. Rd1 {[#]} ({Better is} 24. Qg4 Ne6 25. Rd1 Rxd1+ 26. Qxd1) 24... e4 $1 $17 {[%cal Re4f3]} 25. Qe2 (25. Qxe4 Rxd1+) 25... Re7 26. Qg4 Bf6 27. Rd6 Be5 28. Rd7 Rxd7 29. Qxd7 f6 ({Black should play} 29... Ne6 $1 $17 30. Qxf7 Nf4) 30. Kf1 Nb5 31. c4 (31. Qg7 $15 Rd8 32. Ke2) 31... Nd4 $19 32. b4 {[#]} Nc6 (32... Rc8 $1 $19 {[%cal Rc8c4] has better winning chances.} 33. Qd5 Nc2 34. Qxe4 Nxb4) 33. b5 $17 {[#]} axb5 $1 34. cxb5 Nd4 {Strongly threatening ...Rc8.} 35. b6 $2 {[%mdl 8192]} (35. Ke1 $17) 35... Rc8 $19 {[%cal Rc8c1]} 36. f4 e3 {[%cal Rc8c1] Black mates.} 37. g4 Rc1+ ({Worse is} 37... hxg3 38. fxe5 e2+ 39. Kg2 $11) 38. Kg2 Rc2+ 39. Kf1 Rf2+ {Precision: White = 33%, Black = 49%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Rapport, Jovana"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2282"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,82,0,6,-20,-8,-19,8,-5,0,-6,0,-15,0,-34,-27,-24,-2,-10,0,-69,-64,-64,-67,-149,-151,-162,-165,-158,-121,-201,-197,-248,-243,-253,-156,-516,-243,-237,-233,-372,-247,-361,-298,-352,-135,-508,-506,-659,-637,-675,-670,-5114,-5056,-5143,-5695,-29990,-29991,-29993,-29990,-29989,-29990]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 h6 9. Nf3 exd5 10. e3 O-O 11. Be2 a5 {D91: Grünfeld: 4 Nf3 Bg7 5 Bg5} 12. O-O c6 {LiveBook: 9 Games} 13. Na4 (13. Ne5 Qe8 14. f4 Nd7 15. Rae1 Nxe5 16. dxe5 Qe7 17. e4 Qc5+ 18. Kh1 d4 19. Na4 {0-1 (29) Nagibin,G (2409)-Rakhmanov,A (2605) Moscow 2010}) 13... Nd7 $146 {The position is equal.} ({Predecessor:} 13... Re8 14. Rfc1 Nd7 15. a3 Bf8 16. b4 b5 17. Nc5 Bxc5 18. bxc5 Kg7 19. Rab1 {1-0 (51) Phiri,R (2323)-Anwuli,D (2365) Johannesburg 2016}) 14. Rfc1 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 15. Nc5 Nxc5 16. Rxc5 g5 17. Rd1 f4 18. h3 Qd6 19. Rc3 Bd7 20. Re1 Rae8 21. Nh2 (21. Bd1 $11) 21... fxe3 $15 22. Rxe3 Rxe3 $40 {[%mdl 128] Black mounts an attack.} 23. fxe3 {[#]} ({Better is} 23. Qxe3 $15 Qb4 24. Nf3) 23... Bxh3 $1 $17 {[%mdl 512]} 24. Bf3 (24. gxh3 Qg3+) 24... Bf5 25. Qxa5 Qe6 26. Nf1 (26. Bh5 $17) 26... g4 $19 27. Be2 (27. Bd1 $142) 27... h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} 28. Qd2 Qd6 29. Qd1 $2 (29. Bd3 $17 {is tougher.}) 29... Bd7 (29... Qf6 $142 {White must now prevent ...Be4.} 30. Ng3 {[#]} Bc2 $1 {[%mdl 512]} 31. Qxc2 Qf2+ 32. Kh2 Rf3) 30. Bd3 h4 31. Nd2 (31. Re2 $142) 31... Re8 32. Re2 (32. Nf1 $142) 32... Qh6 33. Qe1 Qg5 $2 (33... g3 $19 {is more deadly.} 34. Nf1 Qf6) 34. Nb3 $2 {[%mdl 8192]} (34. g3 $17) 34... g3 35. e4 Bg4 36. Rc2 dxe4 37. Bxe4 Qf4 38. Bd5+ Kf8 {[%cal Re8e1]} 39. Qb4+ Re7 {Black mates.} 40. Bc4 Bxd4+ 41. Kh1 c5 {Precision: White = 18%, Black = 44%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Le Corre, Benjamin"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2280"]
[BlackElo "2651"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,0,27,-19,-8,-19,-16,-15,-19,-5,-16,-14,-18,-7,-20,-50,-49,-52,-52,-50,-51,-68,-54,-83,-94,-95,-54,-112,-58,-71,-50,-74,-70,-65,-65,-91,-72,-70,-70,-92,-88,-88,-78,-143,-132,-159,-159,-159,-159,-169,-160,-305,-176,-172,-181,-273,-79,-73,-85,-347,-341,-319,-352,-349,-351,-351,-310]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 b5 8. Nf4 b4 {LiveBook: 4 Games. C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (8... Rb8 9. Bd3 b4 10. Nxe6 fxe6 11. Ng5 Ndxe5 12. dxe5 Nxe5 13. Bxh7 Qf6 14. O-O Bd6 15. f4 Nf7 16. Qh5 {0-1 (27) Shirov,A (2726)-Malakhatko,V (2633) Leon 2008}) 9. Be2 bxc3 10. bxc3 cxd4 {The position is equal.} 11. cxd4 Ba6 12. O-O Bxe2 13. Qxe2 Be7 14. Be3 O-O 15. g4 $146 ({Find the theoretical novelty and annotate with similar games:} 15. Rfc1 Na5 16. Nd2 {1-0 (34) Guzman Moneo,A (2239)-Forcen Esteban,D (2528) Zaragoza 2017}) 15... Nb6 16. h4 Nc4 17. Kg2 Qd7 18. Rac1 Rab8 19. Rfd1 Rb2 20. Rc2 Rfb8 {And now ...Rxc2 would win.} 21. Bc1 {[#]} (21. Nd3 $1 $15 Rxc2 22. Qxc2) 21... Rb1 (21... Rxc2 $1 $17 22. Qxc2 Qc7) 22. Nd3 Qb7 23. Be3 Rxd1 24. Qxd1 a5 25. Nd2 Nb4 26. Nxb4 axb4 27. Qf3 Na3 28. Rc1 Nb5 $36 {[%mdl 2048] Black has strong initiative.} (28... Bxh4 $6 29. g5 $14) 29. Rc2 (29. g5 $142) 29... Rc8 $17 30. Rxc8+ Qxc8 31. Qd1 Nc3 ({Much weaker is} 31... Bxh4 $6 32. Qa4 $11) 32. Qb3 Qa6 ({Of course not} 32... Bxh4 $6 33. Qxb4 Nd1 34. Nf3 $11) 33. h5 (33. Nb1 $17) 33... Nxa2 (33... Qe2 $142 34. Nf3 Qd3) 34. Nb1 $19 Qe2 {aiming for ...h6.} 35. Kg3 (35. g5 $142) 35... f6 $2 (35... h6 $19 36. Qa4 Nc3 37. Nxc3 bxc3) 36. Qa4 Kf7 37. exf6 $2 {[%mdl 8192]} (37. h6 $17 gxh6 38. exf6 Kxf6 39. Qe8) 37... gxf6 {[#] White must now prevent ...Bd6+.} (37... Kxf6 38. Nd2 $16) 38. Qa7 {White hopes to continue with g5.} b3 39. Bf4 {Intending Bd6 and mate.} Nb4 40. Bd6 Nc6 {Precision: White = 37%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Marcziter, Dmitrii"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2275"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,46,28,4,15,-6,-10,-28,-25,-23,-16,-69,-70,-188,-158,-160,-154,-172,-161,-168,-164,-187,-179,-233,-195,-189,-180,-217,-10,-7,0,-214,-214,-238,-233,-230,-230,-257,-264,-258,-247,-313,-318,-325,-328,-334,-336,-320,-319,-336,-354,-940,-875,-912,-913,-1166,-1172,-1089,-1057,-1462,-1411,-1334,-1360,-1354,-1109,-1299,-1349,-1304,-1240,-1172,-1164,-1089,-1061,-6299,-6307]} 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bxf3 6. gxf3 {A41: 1 d4 d6: Tartakower System and Modern Defence} (6. exf3 e6 7. d5 exd5 8. Nxd5 c6 9. Qe2+ Kf8 10. Nc3 Ne7 11. Bf4 Nf5 12. O-O-O Na6 13. Qd2 {0-1 (110) Vallejo Pons,F (2705)-Gashimov,V (2757) Beijing 2011}) 6... Nd7 7. f4 c5 8. d5 {The position is equal.} Bxc3+ $146 ({Predecessor:} 8... Ngf6 9. e3 O-O 10. Bd3 e6 11. Qf3 exd5 12. cxd5 a6 13. a4 {0-1 (27) Geanta,H (2242)-Parligras,M (2416) Baile Tusnad 2000}) 9. bxc3 f5 10. e4 ({White should try} 10. a4 $11) 10... fxe4 $15 11. f5 (11. Rb1 $15) 11... Ngf6 12. fxg6 hxg6 13. Rb1 Qc7 14. Bf4 O-O-O 15. Bg2 Rdf8 16. Bh2 (16. O-O {was called for.}) 16... g5 17. Qe2 Qa5 18. Rb3 Ne5 $2 (18... Nh5 $19 {And now ...Nf4 would win.} 19. Bxe4 Nf4 20. Bxf4 Rxf4) 19. Bxe5 $1 $11 dxe5 20. Qb2 $2 {[#]} (20. O-O $11) 20... Qc7 $1 $19 21. a4 Rh4 22. O-O {[#]} Ne8 $1 23. Qd2 Rhf4 24. d6 Qxd6 25. Qe3 Qc6 26. Rb5 b6 27. a5 Nd6 28. axb6 axb6 ({Don't play} 28... Nxb5 29. cxb5 Qxb6 30. Ra1 $19) 29. Qe2 g4 {[%cal Bg5g4,Bg4h3][%mdl 32]} 30. Rfb1 $2 (30. h4) 30... Nxb5 {Black is clearly winning.} 31. cxb5 Qg6 {( -> ...gxh3)} 32. Qa2 gxh3 {[%csl Gh3][%cal Rg6g2]} 33. Qa8+ Kd7 {[%csl Gh3][%cal Rg6g2]} 34. Rd1+ Ke6 {[%csl Gh3][%cal Rg6g2]} 35. Qc6+ Kf7 {[%csl Gh3][%cal Rg6g2]} 36. Qxg6+ Kxg6 37. Bxh3 Rxf2 {KRR-KRB} 38. Re1 R2f3 39. Bg2 Rxc3 40. Bxe4+ Kg7 41. Bc6 Rg3+ {Precision: White = 37%, Black = 74%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Soham Das"]
[Black "Kozul, Zdenko"]
[Result "0-1"]
[ECO "B63"]
[WhiteElo "2275"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,47,58,55,56,56,48,92,80,85,85,86,102,92,83,95,25,137,127,137,128,103,103,102,87,139,85,155,155,118,145,138,140,162,94,95,54,93,41,66,48,113,97,107,56,98,18,178,162,159,145,153,136,125,0,158,59,40,0,0,0,0,-18,0,0,18,-15,-21,-93,95,48,57,-29,-29,-172,-139,-268,-257,-315,-276,-625,-682,-708,-671,-596,-552,-1671,-1600,-1658,-1230,-1156,-1095,-12843,-12843,-12844,-12844,-12845,-12844]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6 8. Nb3 Be7 9. O-O-O O-O 10. h4 {LiveBook: 21 Games} a6 {B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves} 11. Kb1 Rd8 12. g4 Nxg4 $146 {White is slightly better.} ({Predecessor:} 12... Qc7 13. Bxf6 Bxf6 14. g5 Be7 15. f4 b5 16. h5 b4 17. Ne2 a5 {½-½ (47) Kanmazalp,O (2458)-Kozul,Z (2626) Izmir 2018}) 13. Bxe7 Nxe7 14. Qg5 Nf6 15. Rg1 {[%csl Gg1][%cal Rg5g7][%mdl 1024] White has strong compensation.} Ng6 16. Be2 $1 Ne8 17. f4 (17. h5 $16 f6 18. Qg4) 17... Qc7 (17... h6 $1 $11 18. Qg3 Ne7) 18. f5 $1 $16 {[%cal Rf5g6]} f6 19. Qg3 $1 Ne5 20. Nd4 Qf7 21. h5 h6 ({Black should try} 21... Kh8) 22. Qe3 (22. fxe6 $142 Bxe6 23. Nd5) 22... Kf8 (22... Kh8 $142) 23. fxe6 Bxe6 24. Nxe6+ Qxe6 25. Nd5 b5 26. Rdf1 (26. Bf1 $18) 26... Qf7 27. Rf5 Rdb8 ({Avoid the trap} 27... Nc7 $2 28. Nxf6 $1 {[%mdl 512]} Qe6 29. Qf4 $18) 28. c3 ({Better is} 28. Rf2 $16) 28... Rb7 ({Wrong is} 28... Nc7 $2 29. Nxf6 $1 {[%mdl 512]} gxf6 30. Qxh6+ Ke7 31. Rg7 $18) 29. Bd1 $36 {[%mdl 2048] White is pushing.} Nc4 (29... Rc8 $14) 30. Qd4 $1 Rc8 31. Bb3 (31. Rg6 $16) 31... Rc5 32. Nf4 (32. Rg6 $1 $16) 32... Re5 $2 (32... Kg8 $11) 33. Ng6+ Kg8 34. Nxe5 dxe5 35. Qf2 Rd7 36. Qe2 ({White should play} 36. Kc1 $16) 36... Ned6 $2 (36... Rd2 $1 $11 37. Bxc4 Rxe2 38. Bxf7+ Kxf7) 37. Rff1 (37. Rf2 $1 $16) 37... Nxe4 $1 $14 38. Bxc4 Qxc4 39. Qxc4+ bxc4 {[%mdl 4096] Endgame KRR-KRN} 40. Rd1 Rb7 {And now ...Nxc3+ would win.} 41. Kc2 Kf7 42. Rd8 f5 43. Ra8 (43. Rc8 $11) 43... Ng5 $2 (43... Nf6 $1 $17 {stays on course.}) 44. Rxa6 $16 {aiming for a4.} f4 45. Re1 (45. a4 $14) 45... e4 $11 46. Ra5 {[#]} (46. Rc6 $1 $11 {and White has nothing to worry.}) 46... Ke6 $1 $19 47. Rc5 (47. Rf1 $17 {was called for.} f3 48. b3) 47... f3 48. Rxc4 Ke5 49. a4 $2 (49. Kd2 Rxb2+ 50. Ke3) 49... Kf4 {Black is clearly winning.} 50. a5 f2 51. Ra1 Kf3 52. Rc8 e3 53. Rf8+ {[#]} Nf7 $1 {White must now prevent ...e2.} 54. a6 Ra7 {Threatens to win with ...e2.} 55. Rxf7+ Rxf7 56. a7 {[#]} Rxa7 $1 {[%mdl 512]} 57. Rxa7 f1=Q {Precision: White = 27%, Black = 45%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Wisnet, Dominic"]
[Black "Papp, Gabor"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "2272"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,158,1,15,37,33,29,22,26,29,22,22,31,26,30,30,27,22,22,22,22,22,22,22,40,22,22,32,45,35,38,40,54,59,61,68,71,54,62,54,71,34,40,0,0,0,16,4,22,4,14,0,14,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,-36,-35,-45,-40,-43,-52,-105,-90,-90,-90,-90,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,-129,-135,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. Qd2 Ng4 10. Bxg4 Bxg4 11. Nxc6 bxc6 12. Bh6 {LiveBook: 24 Games} Qb6 {B73: Sicilian Dragon: Classical System without 9 Nb3} (12... Bxh6 13. Qxh6 Be6 14. Rad1 Qa5 15. Rd3 Qe5 16. b3 Qg7 17. Qd2 f5 18. Re1 fxe4 19. Nxe4 Bf5 20. Rde3 Bxe4 21. Rxe4 Rf7 22. Re6 Raf8 23. f3 Rb8 24. h3 Rb7 25. c4 Rf5 26. Qe3 Kf8 27. Rxd6 {1-0 (27) Fedorchuk,S (2671)-Perez Gonzalez,J (2318) Madrid 2010}) 13. Bxg7 Kxg7 14. b3 Rad8 {The position is equal.} 15. Na4 Qc7 16. c4 Be6 $146 17. Rfe1 f6 18. Rac1 Bf7 19. Qe3 e5 20. Nc3 Rd7 21. Re2 Qa5 22. Rd2 Rfd8 23. Rcd1 Be6 24. h3 Qb4 25. Kh2 h6 26. Rd3 Qb7 27. f4 Bf7 28. Qd2 Be8 29. Rf1 Qc7 30. Qf2 Rf7 31. Kh1 g5 32. fxg5 fxg5 33. Rf3 Rxf3 34. Qxf3 Qe7 35. Qe3 Bg6 36. Ne2 (36. Rd1 {NOTEXT} Rf8 37. Kh2 Rf4 38. Rd3 Rf6 39. Ne2) 36... Rf8 37. Rxf8 Kxf8 38. Kg1 Kg7 39. Nc1 Qc7 40. Nd3 c5 41. Qe1 Qf7 42. Qe3 a5 43. Nf2 a4 44. Qd3 axb3 45. axb3 Qc7 46. Ng4 Qe7 47. Ne3 Qf6 48. Ng4 Qf8 49. Nf2 h5 50. Qd2 Qf6 51. b4 cxb4 52. Qxb4 Qe7 53. Qc3 Qa7 54. Qd2 Qa1+ 55. Kh2 Qd4 56. Qe2 Bf7 57. Nd1 (57. Qe1 $1 $15) 57... Qxc4 58. Qe3 Kg6 $1 59. Qf3 Qe6 (59... Be6 $17 {next ...Qd4 is good for Black.} 60. Nc3 g4 61. hxg4 hxg4) 60. Ne3 $11 Qf6 61. Nf5 {[#]} d5 $1 {[%mdl 512]} 62. g4 (62. exd5 Qxf5) 62... hxg4 63. hxg4 {Strongly threatening Qh3.} Be6 {Threatens to win with ...dxe4.} 64. Qh3 {[%csl Gg4][%cal Rh3h5]} Bxf5 65. gxf5+ {[%mdl 4096] Endgame KQ-KQ} Kg7 66. exd5 e4 67. Qg4 Qe5+ 68. Kg2 Kf6 69. d6 Qb2+ 70. Kf1 Qc1+ 71. Ke2 Qc2+ 72. Ke1 Qc3+ 73. Kf1 Qd3+ 74. Kg1 e3 75. d7 (75. Qh5 $11 Qd2 76. Qe8 Kxf5 77. d7) 75... Qxd7 $17 76. Qe4 $2 {[%mdl 8192] [#]} (76. Qc4 $17) 76... Qd1+ $1 {Black mates.} 77. Kg2 {[#]} Qe2+ $1 78. Kh1 Qf1+ 79. Kh2 Qf4+ {Precision: White = 63%, Black = 58%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Roobol, Martin"]
[Black "Sumets, Andrey"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2267"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,104,14,0,6,-11,2,-9,0,-7,12,-9,13,-33,-34,-44,-20,-33,-20,-24,-28,-45,-19,-33,-35,-48,-43,-38,-44,-36,-28,-26,-17,-122,-133,-160,-145,-149,-144,-161,-158,-191,-185,-239,-217,-494,-478,-584,-581,-556,-535,-529,-215,-233,-212,-183,-176,-212,-231,-170,-133,-245,-230,-574,-329,-317,-324,-402,-395,-388,-365,-562,-577,-568,-568,-550,-507,-460,-460,-774,-725,-835,-723,-1574,-1522,-1391,-1310,-1216,-1166,-1048,-1055,-1738,-5185,-12841,-12399]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. Ng3 {LiveBook: 148 Games} a6 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} (7... c5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e4 Qd8 11. Be3 Qb6 12. Qd2 Rd8 13. dxc5 Rxd2 14. cxb6 Rxb2 15. bxa7 Nc6 {1-0 (81) Usmanov,V (2459)-Inarkiev,E (2694) Sochi 2017}) 8. cxd5 exd5 9. Bd3 $146 ({Predecessor:} 9. b4 Re8 10. Bd3 Nbd7 11. O-O c6 12. Rb1 b5 13. f3 Nb6 14. Bc2 Nc4 15. Qd3 {½-½ (51) Kovacevic,B (2510)-Azarov,S (2572) Djakovo 2005}) 9... Re8 {The position is equal.} 10. O-O b6 11. Bd2 {[%cal Bc1d2,Bd2e1,Be1f2][%mdl 32]} Bb7 12. f3 c5 13. Rc1 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4,Bc4b2][%mdl 32]} 14. Be1 b5 15. Bf2 Rc8 16. Bb1 Nb6 17. Nf5 Bf8 18. dxc5 Bxc5 19. e4 Bxf2+ (19... dxe4 $2 20. Bxc5 Rxc5 21. Nd6 $18) 20. Rxf2 g6 $36 {[%mdl 2048] Black has good play.} (20... dxe4 $6 21. Nd6 $16) 21. Ng3 $1 Nc4 {...Qb6 is the strong threat.} 22. exd5 (22. Qd4 $11 {remains equal.}) 22... Qb6 $1 $17 ({But not} 22... Bxd5 23. Nce4 $15) ({Don't play} 22... Nxd5 23. Nxd5 Bxd5 24. Ne4 $15) 23. Nge4 Nxb2 $1 24. Qd2 {[#]} Nc4 $1 {[%cal Rc4d2]} 25. Qg5 Nxe4 26. Nxe4 Re5 ({Stronger than} 26... Nxa3 27. Ba2 $11) 27. Qh4 (27. Qf4 $142) 27... Kg7 28. f4 $2 (28. d6 {was called for.} Bxe4 29. fxe4 Qxd6 30. Ba2) 28... Rxd5 $19 29. Ng5 h6 30. Nxf7 Kxf7 31. f5 gxf5 (31... Rcd8 $142 {( -> ...Rd1+)} 32. Bc2 Rd2 33. fxg6+ Kg8) 32. Bxf5 Rxf5 33. Qh5+ {[#]} Qg6 $1 {[%cal Rg6h5]} 34. Qxf5+ Qxf5 35. Rxf5+ Kg7 36. Rcf1 (36. Rc3 $17) 36... Rc7 {Threatens to win with ...Ne3.} 37. a4 $2 (37. R5f4 {is more resistant.}) 37... bxa4 38. Rc1 {Now Ra5! and White clings on.} Kg6 39. Rf4 Bd5 40. Rd4 Bf7 41. Rd6+ (41. Rf1 {keeps fighting.} a3 42. Rg4+ Kh5 43. Rg3) 41... Nxd6 {Black is clearly winning.} 42. Rxc7 Be8 43. Rc3 Kf6 44. g4 Ke5 45. Rh3 (45. Re3+ $142 Ne4 46. Rd3) 45... Bf7 46. Kf2 a5 47. Rxh6 a3 {White must now prevent ...a2.} 48. Rh3 Nb5 49. Re3+ Kd4 50. Re1 a2 51. h4 Na3 52. h5 Nb1 {Precision: White = 33%, Black = 68%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Becker, Dirk"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2263"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,67,-14,-15,-18,-33,-28,-30,-27,-29,-40,-41,-37,-71,-43,-129,-32,-162,-162,-144,-158,-160,-156,-167,-163,-158,-156,-217,-210,-197,-210,-281,-268,-319,-220,-660,-649,-675,-675,-752,-756,-733,-620,-619,-606,-29990,-29989,-29989,-29990,-29990,-29991,-29999]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Qb3 {D00: 1 d4 d5: Unusual lines} Qd7 7. Ngf3 c4 8. Qd1 h6 9. h3 e6 10. Be2 {LiveBook: 3 Games} b5 $146 {[%cal Bb7b5,Bb5b4][%mdl 32]} ({Predecessor:} 10... Bd6 11. O-O O-O 12. b3 b5 {0-1 (86) Grachev,B (2654)-Eljanov,P (2742) Moscow 2010}) 11. a3 Be7 12. O-O O-O 13. Qc1 a5 14. Bd1 b4 15. Ba4 Qb7 16. b3 (16. Bc2 $15) 16... cxb3 (16... bxa3 17. bxc4 dxc4 18. Nxc4 $14) (16... Rfc8 $17 {Strongly threatening ...cxb3.} 17. bxc4 dxc4 18. Bxc6 Rxc6) 17. cxb4 (17. axb4 $15 axb4 18. Nxb3) 17... Rfc8 $19 18. Nxb3 axb4 19. axb4 Nxb4 ({Resist} 19... Nxd4 20. Nfxd4 Rxc1 21. Rfxc1 $11) 20. Nc5 Bxc5 $1 21. dxc5 {[#]} Nd3 $1 $36 {[%cal Rd3c1][%mdl 2048] Keeping White busy.} 22. Qd1 (22. c6 $17 {might work better.} Qb4 23. Qa3 Qxa3 24. Rxa3) 22... Nxc5 {White must now prevent ...Qa6.} 23. Qd4 Nd3 ({But not} 23... Nxa4 24. Rxa4 Rxa4 25. Qxa4 $17) 24. Ne5 {[#]} Nxe5 $1 25. Qxe5 Qb4 26. g4 $2 (26. Bc6 Rxa1 27. Qxa1) 26... Bd3 ({Weaker is} 26... Rxa4 27. gxf5 Rxa1 28. Rxa1 $17) 27. Rfd1 Rxa4 28. Rxa4 Qxa4 29. Rxd3 Rc1+ 30. Kg2 Qc2 31. Ra3 Qd1 {Black mates.} 32. Bxh6 Qh1+ 33. Kg3 Rg1+ 34. Kh4 Rxg4# {Precision: White = 38%, Black = 78%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Mohebbi, Jafar"]
[Black "Buhmann, Rainer"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2263"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,64,0,-4,-4,2,-5,-3,-2,0,0,-4,-14,-18,-16,-12,-20,-23,-6,-19,11,14,13,10,49,16,9,12,8,8,45,43,49,51,66,42,62,43,98,51,120,98,98,97,129,106,111,78,131,127,125,124,131,118,142]} 1. Nf3 Nf6 2. g3 b5 3. d4 Bb7 4. Bg2 e6 5. O-O Be7 6. a4 b4 7. c4 bxc3 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 8. bxc3 c5 9. Ba3 O-O {The position is equal.} 10. Qb3 Qc7 11. Nbd2 Nc6 12. Bxc5 Bxc5 13. dxc5 Na5 14. Qa3 {[#]} Rac8 $146 ({Predecessor:} 14... Rfc8 15. Rfb1 {½-½ (68) Roesch,A (2350)-Wahls,M (2595) Germany 1997}) 15. Rfb1 Ba6 16. Nd4 Qxc5 17. Nb5 d5 18. e4 dxe4 19. Nxe4 Nxe4 20. Bxe4 f5 21. Bg2 Qxa3 22. Rxa3 Nc4 {[#] White must now prevent ...Bxb5.} 23. Ra2 Bxb5 24. axb5 Rf7 (24... Rc7 $14) 25. Re1 Nd6 (25... Rc5 $14) 26. Bc6 $16 Re7 27. Ra4 Kf7 28. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Kf6 29. Rea1 Rcc7 (29... Rec7 $142) 30. c5 Nf7 {[#]} 31. Rc1 $1 Ne5 32. Bg2 Red7 {[%mdl 32768] Precision: White = 80%, Black = 46%. . Loss on Time!?} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bifulco, Michel"]
[Black "Kunin, Vitaly"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2262"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,59,77,91,86,73,76,73,67,65,84,41,47,28,77,8,8,6,48,15,16,16,24,15,15,22,40,27,44,28,37,43,40,31,97,97,116,114,163,135,176,170,188,188,272,0,0,0,2,0,0,0,0,0,0,-66,324,305,287,248,248,248,248,248,248,248,266]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 c5 6. d5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} exd5 7. Nc3 a6 (7... dxc4 8. Bxc4 d5 9. Nb5 dxc4 10. Nc7+ Ke7 11. Qa4 Qd7 12. Qxc4 Bxf3 13. gxf3 Qc6 14. O-O-O Nbd7 15. Rd6 Qxf3 16. Rhd1 Rc8 17. Re6+ Kd8 18. Rxd7+ Kxd7 19. Qb5+ {1-0 (19) Lupulescu,C (2628)-Enchev,I (2465) Achaea 2016}) 8. cxd5 d6 {LiveBook: 3 Games} 9. a4 g6 10. h3 Bg7 11. Be2 O-O 12. O-O Qe7 13. Re1 $146 ({Predecessor:} 13. Qc2 Nbd7 14. Rad1 Nh5 15. Bh2 Ne5 {1-0 (35) Colombo,C (2096)-D'Andrea,L Montevideo 2011}) 13... Nbd7 14. Bh2 Ne8 15. Bc4 ({Better is} 15. e4 $16) 15... Ne5 $11 16. Nd2 Rb8 17. Bf1 f5 18. f4 Nf7 19. e4 fxe4 20. Ndxe4 Qd8 21. Kh1 Nf6 22. Rb1 Nxe4 23. Nxe4 Qc7 24. Bc4 Rbe8 (24... Bc8 $14) 25. Qd3 $16 Re7 26. Re2 Rfe8 27. Rbe1 Bc8 28. Bxa6 Bxa6 29. Qxa6 Bxb2 (29... Rf8 {was necessary.} 30. f5 Ne5) 30. Rxb2 $2 {[#]} (30. Bg3 $18) 30... Rxe4 $11 31. Rxe4 Rxe4 32. Rxb6 Rxa4 $1 33. Qb5 Rb4 34. Qe8+ Kg7 35. Ra6 (35. Rxb4 $11 cxb4 36. Qc6) 35... c4 $2 {[%mdl 8192] [#]} (35... Qb7 $15 {stays ahead.} 36. Ra8 Rb1+ 37. Bg1 Qxd5 38. Qf8+ Kf6) 36. Bg1 $1 $18 {[%cal Rg1d4] Bd4+ is the strong threat.} Rb1 {( -> ...Qc5)} 37. Kh2 {White threatens Bd4+ and mate.} Rxg1 {White is clearly better.} 38. Kxg1 {aiming for Qe3.} Qc5+ 39. Kh1 Qxd5 40. Ra7 Qf5 {[%mdl 32768] Precision: White = 68%, Black = 48%. . An unexpected result.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Nazarenus, Moritz"]
[Black "Heberla, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "E83"]
[WhiteElo "2259"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,91,-27,-27,-25,-21,-18,-36,-21,-23,-21,-20,32,0,-14,0,32,22,77,71,65,78,93,58,91,103,147,108,127,127,111,102,95,107,88,64,54,47,43,11,56,45,50,15,41,0,0,0,0,-9,0,0,60,0,13,8,74,51,62,32,30,30,30,30,30,30,30,20,134,0,30,0,146,0]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Ne2 Nf6 5. Nbc3 O-O 6. f3 Nc6 7. Be3 a6 8. Qd2 Na5 {E83: King's Indian: Sämisch Panno (6...Nc6): Lines without either Nge2 or Qd2} 9. Ng3 (9. b3 b5 10. cxb5 axb5 11. Rc1 c6 12. Ng3 h5 13. Bd3 e5 14. Nge2 b4 15. Na4 exd4 16. Bxd4 {0-1 (23) Topalov,V (2760)-Nakamura,H (2779) Saint Louis 2016}) 9... b5 10. cxb5 axb5 11. Rc1 {LiveBook: 7 Games} b4 12. Nd1 Nb7 $146 ({Predecessor:} 12... b3 13. a3 Ba6 14. Qxa5 Bxf1 15. Qd2 Ba6 16. Bh6 Bxh6 17. Qxh6 {0-1 (30) Villegas,P (2323)-Kanarek,M (2528) Barcelona 2015}) 13. Qxb4 c5 $1 {[%cal Rc5b4]} 14. Qd2 cxd4 15. Bxd4 Rxa2 ({Black should try} 15... e5 $11 16. Be3 d5) 16. Bc4 Ra8 17. b4 $36 {[%mdl 2048] White has the initiative.} h5 18. O-O d5 (18... h4 $11 {remains equal.}) 19. Bxd5 $16 e6 20. Bxb7 $1 Bxb7 {[#]} 21. Qb2 $1 Ba6 22. Re1 Rb8 23. Ne3 h4 24. Ngf1 {Black must now prevent Ng4.} Re8 25. Ra1 Bxf1 26. Rxf1 h3 27. Rfd1 Qe7 28. Rab1 hxg2 29. Nxg2 e5 30. Be3 Rb5 31. Rdc1 Qb7 32. Rc5 Bf8 33. Rxb5 Qxb5 34. Bd2 Qd3 35. Ne1 Qd7 (35... Qb5 $11) 36. Bc3 (36. Bg5 $14 Nh5 37. Qd2) 36... Bh6 37. Bxe5 Be3+ {[#]} (37... Nh5 $1 $11) 38. Kh1 $1 Nh5 $1 {aiming for ...Rxe5!} 39. Ng2 Bb6 40. Nf4 Nxf4 41. Bxf4 {Threatens to win with Kg2.} Qd3 $1 42. Qb3 Qe2 43. Qd1 Qa2 (43... Rxe4 $11 {keeps the balance.} 44. Qxe2 Rxe2) 44. Qb3 (44. Rc1 $16) 44... Qe2 $1 $11 {...Rxe4! is the strong threat.} 45. Qd1 (45. Bg3 $11) 45... Qa2 $16 46. Qb3 {Precision: White = 42%, Black = 46%.} (46. Rc1 $16) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Demuth, Adrien"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2257"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,-14,-32,-25,-51,-43,-39,-43,-55,-70,-80,-83,-93,-54,-74,-85,-94,-49,-54,-65,-52,-42,-38,0,-33,-14,-10,-7,-14,-5,-26,-27,-36,-43,-57,-44,-66,-24,-24,-24,-25,-25,-10,-8,-25,-22,-41,-41,-75,-50,-61,-35,-72,0,-171,-184,-191,-192,-221,-230,-221,-222,-227,-218,-226,-231,-243,-230,-428,-443,-29998,-29999,-29999]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Qc7 8. h5 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} cxd4 (8... h6 9. Rb1 b6 10. Qg4 Kf8 11. Bd3 Ba6 12. Bd2 Bxd3 13. cxd3 cxd4 14. cxd4 Qc2 15. Rc1 Qxd3 {½-½ (41) Dominguez Perez,L (2739)-So,W (2788) Saint Louis 2017}) 9. cxd4 Qc3+ 10. Bd2 Qxd4 11. Nf3 Qe4+ 12. Be2 {LiveBook: 18 Games} Nf5 $1 13. Kf1 b6 14. Bb5+ Nd7 {[#]} 15. Bd3 $146 ({Find the theoretical novelty and annotate with similar games:} 15. Kg1 O-O {½-½ (38) Van Kampen,R (2602)-Nakar,E (2398) Caleta 2014}) 15... Qg4 16. Rb1 Bb7 17. c3 d4 18. Bxf5 Qxf5 19. cxd4 Qd3+ 20. Kg1 Bxf3 21. Qxf3 Qxf3 ({Don't play} 21... Qxb1+ $6 22. Kh2 $16) 22. gxf3 Rc8 23. Kf1 f6 24. f4 Kf7 25. Ke2 Nb8 26. Bb4 Rc2+ 27. Ke3 Rhc8 28. Rhd1 Nc6 29. Rd2 Rxd2 (29... Rc4 {NOTEXT} 30. Rd3 f5 31. Rbd1 Nxb4 32. axb4 Rxb4 33. h6 g6) 30. Bxd2 $15 {[%mdl 4096] Endgame KRB-KRN} Ne7 31. a4 Rc4 32. a5 $1 Ra4 33. Kd3 Nd5 34. axb6 axb6 35. Rc1 Ra3+ 36. Ke2 Ra2 37. Ke1 Ra3 (37... f5 $17) 38. Rc6 $2 {[#]} (38. Ke2 $11 {and White has nothing to worry.}) 38... f5 $1 $19 39. Rd6 Ke7 40. Be3 Ra1+ 41. Ke2 {[#]} Rh1 $1 42. Kf3 Rxh5 43. Kg2 Rh4 44. Bc1 h6 ({Resist} 44... Nxf4+ 45. Kf3 $17) 45. Ba3 $2 (45. f3 {was called for.}) 45... Nxf4+ 46. Kg3 (46. Kg1 $19 Rh3 47. Bb4) 46... Rh3+ 47. Kxf4 g5# {Precision: White = 35%, Black = 83%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Namyslo, Holger"]
[Black "David, Alberto"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2257"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,106,0,0,0,2,-77,-74,-130,-129,-128,-128,-136,-134,-141,-136,-167,-166,-167,-147,-152,-146,-145,-135,-145,-122,-136,-119,-135,-137,-141,-135,-189,-170,-194,-191,-201,-186,-209,-205,-213,-193,-198,-189,-178,-174,-221,-243,-254,-251,-251,-250,-236,-248,-233,-230,-239,-241,-302,-305,-278,-261,-293,-254,-247,-101,-101,-108,-218,-201,-200,-221,-357,-313,-314,-308,-290,100,100,1024,1008,29997]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 d6 7. O-O Nf6 8. Be3 Be7 9. f4 O-O 10. Qe1 Nxd4 11. Bxd4 b5 12. Bf3 Bb7 13. a3 Nd7 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 14. Rd1 Qc7 {LiveBook: 3 Games} 15. Qg3 {[%csl Gd4][%cal Rg3g7]} Bf6 $146 {The position is equal.} ({Predecessor:} 15... e5 16. Be3 exf4 17. Bxf4 Ne5 18. Kh1 Rad8 19. Bh5 Ng6 20. Bxg6 hxg6 21. Rf3 {0-1 (37) Roth,J (2200)-Jansa,V (2480) Passau 1998}) 16. e5 (16. Bxf6 $11 Nxf6 17. Qf2) 16... dxe5 $17 17. fxe5 (17. Bxe5 $142 Bxe5 18. Bxb7 Bxf4 19. Rxf4 Qxb7 20. Rg4) 17... Bxf3 18. Rxf3 Bxe5 19. Bxe5 Nxe5 20. Re3 f6 21. Kh1 Rad8 {And now ...Rxd1+ would win.} 22. Rde1 Kh8 23. R3e2 Rd7 24. Ne4 Rfd8 25. Ng5 Qd6 (25... fxg5 26. Qxe5 Qxe5 27. Rxe5 $15) 26. h3 Qe7 27. Qf2 Kg8 28. b3 Rd5 {[%cal Bd7d5,Bd5d4,Bd4b4,Bb4b8][%mdl 32]} 29. a4 (29. b4 $17) 29... bxa4 $19 30. bxa4 h6 31. Ne4 Rd4 32. Qg3 Kh8 (32... Rxa4 33. Nxf6+ Qxf6 34. Rxe5 $11) 33. Qb3 Rb4 34. Qa2 Rd5 35. c3 Rb8 36. c4 Rd4 37. c5 Nd3 38. Rb1 Rxb1+ 39. Qxb1 Qd7 (39... Nxc5 40. Nxc5 Qxc5 41. Rxe6 $17) 40. Qc2 Qc6 (40... Qxa4 41. c6 $11) 41. Re3 Nb4 (41... Rxe4 42. Qxd3 Rxe3 43. Qxe3 $17) 42. Qe2 Nd5 (42... Qxa4 43. Nd6 $19) 43. Rg3 Qxa4 ({Don't do} 43... Rxa4 44. Kh2 $17) 44. Nf2 e5 45. Qh5 {[#] Black must now prevent Qf7.} Qd7 {[#]} (45... Nf4 $1 $19 {[%cal Rf4h5] is more deadly.} 46. Qf7 Rd7 47. Qe8+ Kh7) 46. c6 $1 $17 {[%mdl 512]} Qe7 {Strongly threatening ...Rc4.} ({Much worse is} 46... Qxc6 $6 47. Qf7 $11) 47. Ng4 (47. Qf5 $17 {was the only defense.}) 47... Nf4 $19 ({Resist} 47... Rd1+ 48. Kh2 $17) 48. Qf5 Qe6 49. Qb1 (49. Qxe6 {was called for.} Nxe6 50. Rc3) 49... Qxc6 50. Nxh6 {Intending Qb8+ and mate.} Qc7 51. Qb3 {[%csl Gh6][%cal Rb3g8]} Rc4 $2 {[#]} (51... Qc4 $19 52. Nf5 Qxb3 53. Rxb3 Rd2) 52. Rc3 $1 $16 {[%cal Rc3c4][%mdl 512] [#]} gxh6 $2 {[%mdl 8192]} (52... Qc6 $1 $16 {[%mdl 512]} 53. Qa2 Qa4 54. Qxc4 Qxc4 55. Rxc4 gxh6) (52... Rxc3 53. Qg8#) 53. Rxc4 $18 Qd6 {Precision: White = 52%, Black = 55%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Hecht, Carsten"]
[Black "Antal, Gergely"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2255"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,67,-17,10,9,22,28,16,23,20,12,10,7,83,76,100,89,85,76,69,60,91,83,75,48,40,45,70,-71,-67,-60,-65,-61,-58,-152,-152,-130,0,0,45,-225,-8,-63,-55,-60,153,169,230,240]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bd2 Ngf6 11. O-O-O Bd6 12. Ne4 {B19: Classical Caro-Kann: 4...Bf5 main line} Nxe4 13. Qxe4 Nf6 14. Qe2 {The position is equal.} Bc7 (14... Qc7 15. Kb1 O-O-O 16. c4 c5 17. Bc3 cxd4 18. Nxd4 a6 19. Rc1 Bc5 {½-½ (40) Podlesnik,B (2370)-Pasko,L (2302) Pristina 2017}) 15. Kb1 Qd5 16. Rhe1 b5 $146 (16... O-O $11) ({Predecessor:} 16... O-O-O 17. c4 {1-0 (35) Villacres,D (1988)-Calderon,O (1972) Riobamba 2007}) 17. Ne5 $1 $16 O-O 18. Bc1 c5 19. Qxb5 Rab8 20. Qa6 {And now Nc6 would win.} (20. Qxc5 $6 Bxe5 21. Qxd5 Nxd5 $11) 20... Rb6 21. Qxa7 Rc8 22. c4 Qxg2 23. dxc5 Rbb8 {[%cal Bb6b8,Bb8a8,Ba8a6][%mdl 32]} 24. c6 (24. Qa3 $1 $14) 24... Bxe5 $1 $17 25. Rxe5 Qg6+ 26. Ka1 Qc2 $1 {[%mdl 1024] Black has compensation.} 27. Ree1 ({White should play} 27. Rg1 $15 Ra8 28. Qc5) 27... Ra8 $1 {[%cal Ra8a7]} 28. Qb7 Kh7 (28... Rcb8 $6 29. Bf4 $11) (28... Ne4 $17 29. a3 Nc5) 29. a3 $11 {Strongly threatening Rg1.} Ne4 30. Qe7 $2 {[%mdl 8192] [#]} (30. c7 $14 {stays ahead.} Nc5 31. Qf3) 30... Rxc6 $2 (30... Nc3 $1 $19 {[%mdl 512]} 31. bxc3 Rcb8) 31. Qb7 (31. Qxf7 Rxa3+ $1 {[%mdl 512]} 32. bxa3 Rb6 33. Qxg7+ Kxg7 34. Rd7+ Kf6 35. Bg5+ hxg5 36. hxg5+ Nxg5 37. Rd2 Qc3+ 38. Ka2 Qxd2+ 39. Ka1 Qb2#) (31. Be3 $1 $11) 31... Raa6 $1 $15 {( -> ...Nc3!)} 32. Be3 $1 ({Avoid the trap} 32. Qxf7 $2 {[#]} Nc3 $1 $19 {[%mdl 512]}) 32... Qxc4 $2 (32... Rcb6 $1 $15 {keeps the upper hand.} 33. Qxb6 (33. Bxb6 Rxa3+ 34. bxa3 Nc3 $17) 33... Rxb6 34. Bxb6 Nd2) 33. Rd4 $16 Nd6 (33... Qc5 {was worth a try.}) 34. Rxc4 {Precision: White = 46%, Black = 38%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Giessmann, Stephan"]
[Black "Kuljasevic, Davorin"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2252"]
[BlackElo "2538"]
[Annotator "TA RC"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,116,-9,15,5,14,7,10,14,13,16,10,0,6,15,25,27,33,25,25,25,25,25,25,25,25,25,25,7,7,-22,0,0,6,0,-5,-27,-24,-19,40,-13,-25,-44,-44,-44,-44,-44,-44,-44,-12,-20,-10,-44,-3,-44,-10,-48,-4,-25,0,-60,-9,-28,0,-44,0,-44,-7,-44,19,-14,25,-26,0,-44,0,-73,-8,-44,-44,-54,-64,-137,-116,-361,-344,-692,-691,-555,-436,-477,-480,-650,-669,-12574,-12574,-5743,-5736,-4731,-4727,-4727,-4132,-4686,-765]} 1. d4 Nf6 2. Nf3 d5 3. Bg5 Ne4 4. Bf4 c5 5. e3 Qb6 6. Qc1 Nc6 7. c3 Bf5 8. Nbd2 e6 {LiveBook: 16 Games} 9. Nh4 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} Nxd2 10. Qxd2 Be4 11. f3 {The position is equal.} Bg6 12. Nxg6 hxg6 13. Qc2 $146 ({Predecessor:} 13. O-O-O Be7 14. g4 a5 15. c4 cxd4 16. exd4 dxc4 17. Bxc4 {½-½ (40) Tamazyan,H (2151)-Kolosowski,M (2342) Batumi 2010}) 13... O-O-O 14. Qb3 Bd6 15. Bxd6 Rxd6 16. Qxb6 axb6 17. f4 Ne7 18. Bd3 Rdd8 19. Kf2 Kc7 20. a3 Nc8 21. Rad1 Nd6 22. Kf3 Rh6 23. h3 f6 24. Rhe1 f5 25. Rc1 c4 26. Bc2 Nf7 (26... Rdh8 $11) 27. Kf2 (27. b3 $14) 27... g5 $11 28. Bd1 gxf4 29. exf4 g5 30. fxg5 Nxg5 31. Bf3 Rg8 32. Rh1 Rh4 33. Rce1 Kd6 34. Re3 Rg6 35. Rhe1 Rhh6 36. Rh1 Rh4 37. Rhe1 Kd7 (37... b5 $15) 38. R3e2 Rh8 39. Rh1 (39. b3 $5) 39... Rh4 40. Rhe1 Rh7 41. Rh1 Rgh6 ({Better is} 41... b5 $15) 42. Rhe1 Kd6 43. Rh1 (43. b3 $142) 43... Rh8 44. Rhe1 Rg8 45. Rh1 (45. b3 $11 {keeps the balance.}) 45... Rhg6 ({Much worse is} 45... Nxf3 46. Kxf3 Rhg6 47. Rhe1 $11) (45... Ne4+ $17 46. Bxe4 dxe4) 46. Rh2 Ne4+ 47. Bxe4 dxe4 $15 {[%mdl 4096] Endgame KRR-KRR} 48. Re3 (48. g4 $15) 48... e5 $17 49. dxe5+ $2 {[#]} (49. h4 $17 {was called for.}) 49... Kxe5 $19 50. g3 $2 (50. Re1 Rd6 51. h4) 50... Rd6 {Black is clearly winning.} 51. Rg2 Rd1 52. h4 Rgd8 53. Re2 R8d3 {[%csl Ge4][%cal Rd3f3] [#]} 54. Rh2 {White hopes to continue with h5.} f4 55. gxf4+ Kxf4 {( -> ...Rf3+)} 56. h5 Rf3+ 57. Kg2 Rg3+ 58. Kf2 e3+ {Precision: White = 36%, Black = 36%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Bomans, Arno"]
[Black "Malakhatko, Vadim"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2250"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,56,8,29,0,27,0,22,16,20,-50,0,0,18,-228,-225,-214,-222,-192,-88,-132,-124,-175,-129,-142,-152,-920,-920,-893,-900,-2009,-1138,-1051,-939,-29987,-29988,-29988,-29989,-29997,-29998]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (7. Qd2 Nf6 8. f4 Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 13. exd5 exd5 14. Nb3 Nc4 15. Bd4 Ne4 {1-0 (57) Carlsen,M (2834)-Matlakov,M (2718) Wijk aan Zee 2018}) 7... Ne5 8. Qg3 h5 9. h4 d6 10. O-O-O Nf6 {LiveBook: 3 Games} 11. Bf4 Bd7 $146 ({Predecessor:} 11... b5 12. Bxe5 dxe5 13. Nf3 Ng4 14. Nh2 b4 {0-1 (46) Stoykov,G-Paskalev,D (1925) Sofia 2004}) 12. Nf3 {[%cal Rf3e5]} Nfg4 13. Be2 b5 14. Rd4 ({White should try} 14. a3 $11) 14... Bc6 (14... Qa7 $5 {[%cal Re5f3]} 15. Nxe5 (15. Rhd1 Nc6 $11) 15... Qxd4 16. Nxg4 hxg4 $15) 15. Rhd1 Rc8 16. Rxd6 $2 (16. a3 $11) 16... Bxd6 $19 17. Rxd6 Qxd6 18. Nxe5 Qe7 (18... Qd4 $19 {is more deadly.} 19. Nxg4 hxg4) 19. Nxc6 Rxc6 20. f3 b4 21. Na4 {[#]} Nf6 $1 22. Qxg7 $2 (22. e5 $17 Nd5 23. Qxg7) 22... Rg8 {[%cal Bh8g8,Bg8g2,Bg2e2,Be2e1][%mdl 32]} 23. Qh6 Rxg2 24. Bg5 Rxe2 25. Qh8+ Kd7 {[#] ( -> ...Qd6)} 26. e5 Re1+ {Black mates.} 27. Kd2 Rxe5 28. Qb8 Qd6+ {Precision: White = 10%, Black = 24%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Hoerstmann, Martin"]
[Black "Lampert, Jonas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2248"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,128,14,0,4,0,16,0,2,-1,11,-7,-9,-19,-5,-17,0,0,0,0,-1,-12,-8,-6,0,-17,-43,-32,-22,-18,-27,0,-24,-22,9,56,36,26,114,45,162,156,162,155,141,77,82,0,0,0,4,-27,-22,-149,-163,-160,-139,-114,-127,-202,-202,-182,-177,-190,-167,-324,-324,-397,-384,-395,-362,-330,-274,-348,-276,-278,-279,-580,-566,-575,-548,-559,-559,-583,-265,-558,-500,-500,-426,-500,-499,-29969,-29970,-6203,-3425,-29952,-29977,-29976,-29977,-29975,-29976,-29987,-29988,-29988,-29989]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. g3 Be7 5. Bg2 b6 6. O-O O-O 7. c4 Bb7 8. e3 dxc4 9. bxc4 c5 10. Qe2 Nc6 11. Rd1 Qc7 12. Nc3 Rac8 13. d3 Rfd8 14. Rd2 {LiveBook: 4 Games. A14: English Opening: 1...e6 with b3 by White} (14. Ne1 Na5 15. Bxb7 Qxb7 16. f4 a6 17. a4 Nc6 18. g4 Ne8 19. g5 Nd6 20. Rab1 Nf5 21. Ne4 Nb4 {1-0 (60) Korotylev,A (2573)-Dzhumagaliev,Y (2400) Sochi 2017}) 14... a6 $146 ({Predecessor:} 14... Qb8 15. Rad1 Qa8 16. Ne1 Rd7 17. f4 Rcd8 18. g4 a6 19. Ba1 Nb4 20. g5 Ne8 21. Na4 Qa7 {0-1 (56) Kachiani Gersinska,K (2354)-Bulmaga,I (2372) Germany 2015}) 15. Rb1 h6 16. Ba1 {The position is equal.} Rb8 17. h3 Nd7 18. Ne4 Na5 19. Nh4 Bxe4 20. Bxe4 Bf6 21. Bxf6 Nxf6 22. Bg2 b5 23. cxb5 axb5 24. Rc2 Nd5 25. Rbc1 c4 26. dxc4 Nb4 27. cxb5 Nxc2 28. Rxc2 Qe5 29. Bf1 Qa1 30. Nf3 Rd1 31. Kg2 e5 (31... Nb7 $11 {keeps the balance.}) 32. Nh2 (32. Nd2 $16) 32... Rd6 ({Black should play} 32... Nb7 $14) 33. Qg4 $18 Qb1 34. Rc8+ Rd8 35. Rc7 ({Better is} 35. Rxb8 Rxb8 36. Qa4) 35... Qxa2 $16 36. Qe4 (36. Nf3 $16) 36... Qd5 $36 {[%mdl 2048] Black has good play.} 37. Qxd5 Rxd5 38. Ng4 e4 39. f4 {[#]} (39. Re7 $1 $11) 39... exf3+ $1 $17 40. Kxf3 Rf5+ 41. Kg2 Nb7 42. e4 (42. Rd7 $17) 42... Rc5 $19 43. Rd7 Rc2+ 44. Kf3 Nc5 45. Rd4 $2 (45. Ne3) 45... Nb3 46. Rb4 Nd2+ 47. Ke2 Nxf1+ 48. Kxf1 {[%mdl 4096] Endgame KRR-KRN} Rc5 49. Kf2 Rcxb5 50. Rxb5 Rxb5 {KR-KN} 51. Kf3 $2 (51. Ne3) 51... Kf8 52. Kf4 Rb3 53. h4 Ke7 54. Ne5 {[#]} Rc3 (54... g5+ $142 $1 55. Kg4 (55. hxg5 hxg5+) 55... Ke6) 55. h5 $2 (55. Nf3 {was forced.}) 55... Rc1 56. Nf3 Rh1 57. Nh4 Ke6 58. Nf5 (58. Ke3 $19 Kf6 59. Kf4) 58... Rf1+ 59. Kg4 Ke5 60. Nxg7 Kxe4 {Black mates.} 61. Kh3 Kf3 {[%cal Rf1h1]} 62. Kh2 Kg4 63. Kg2 Re1 64. Kf2 Re7 {Precision: White = 42%, Black = 64%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Van Wissen, Michiel"]
[Black "Schneider, Ilja"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2245"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,118,35,16,37,45,54,30,29,7,20,17,35,0,5,0,0,0,0,0,0,-16,-16,-20,-20,-24,-37,-62,-59,-79,-62,-67,-87,-106,-72,-54,-27,-20,-21,-22,-21,-10,-6,-47,-35,-35,-41,-24,-45,-94,-93,-166,-157,-177,-170,-214,-209,-287,-214,-222,-222,-222,-198,-290,-189,-300,-294,-289,-253,-515,-282,-660,-643,-507,-476,-449,-349,-752,-740,-685,-692,-675,-568,-2131,-1816,-1791,-1681,-1187,-874,-29972,-29973,-29973,-29974,-29969,-29965,-29977,-29977,-29978,-29979,-29980,-29981,-29985,-29986,-29986,-29987,-29987,-29988,-29989,-29990]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. Bf4 {LiveBook: 83 Games. C41: Philidor Defence} Nbd7 (7... Re8 8. Qd2 Bf8 9. f3 Nc6 10. O-O-O Nxd4 11. Qxd4 Be6 12. Kb1 Nd7 13. g4 a6 14. h4 b5 {0-1 (44) Grischuk,A (2750)-Rapport,R (2698) chess.com INT 2017}) 8. Qd2 Nc5 9. f3 {White is slightly better.} d5 {[%cal Rd5e4]} 10. e5 Ne8 $1 11. O-O-O c6 12. g4 $146 ({Predecessor:} 12. h4 f6 13. Kb1 fxe5 14. Bxe5 Bf6 15. Bxf6 Qxf6 {½-½ (45) Airapetian,G (2179)-Gerasimov,Y (2302) Satka 2005}) 12... f6 13. exf6 Bxf6 14. Be3 Ne6 15. Nxe6 Bxe6 16. g5 Be5 17. f4 Bc7 18. Kb1 Nd6 19. Bd3 Bf5 20. Bc5 Qd7 21. Ne2 Rae8 22. Rde1 b6 23. Bxd6 Qxd6 24. Bxf5 Rxf5 25. Rhf1 Ref8 26. Qd3 Qd7 {[%cal Rc7f4]} 27. Qh3 {[#] Strongly threatening Nd4.} c5 28. Ng3 R5f7 29. Qxd7 Rxd7 30. Nh5 Rdf7 {[%cal Rc7f4]} 31. h4 (31. f5 $17) 31... Bxf4 $19 32. c3 Bd6 $36 {[%mdl 2048] Keeping White busy.} 33. Rxf7 Kxf7 {[%mdl 4096] Endgame KRB-KRN} ({Don't play} 33... Rxf7 34. Re8+ Rf8 35. Re6 $17) 34. Kc2 Kg6 35. Re6+ Kxh5 36. Rxd6 Kxh4 37. Rxd5 {KR-KR} (37. Rd7 $142) 37... Rf7 38. Kb3 (38. a4 $142) 38... h5 39. gxh6 gxh6 40. a4 $2 (40. Kc4) 40... h5 41. Kc4 $2 (41. a5) 41... Kg4 42. Rd8 Rh7 43. Rg8+ Kf3 {And now ...h4 would win.} 44. Rf8+ $2 (44. Kd3) 44... Ke2 45. Re8+ Kd2 46. Rd8+ Kc2 47. b4 h4 {[%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 48. Rf8 h3 49. Rf2+ {[#]} Kd1 $1 50. bxc5 h2 {Black mates.} 51. Rf1+ Ke2 52. Rh1 bxc5 53. Kxc5 Kf3 54. c4 Kg2 55. Rxh2+ Rxh2 56. Kb5 Kf3 57. c5 Ke4 58. Kc6 Rh6+ 59. Kb7 Kd5 {Precision: White = 28%, Black = 83%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Wild, Achim"]
[Black "Valsecchi, Alessio"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2244"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,70,17,13,10,0,0,0,0,6,29,25,29,16,33,25,16,21,36,37,137,120,153,72,65,87,106,61,49,39,43,60,52,53,56,0,62,62,37,-450,-447,-452,-388,-500,-326,-571,-564,-557,-410,-5297,-5297]} 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. a3 Be7 7. e4 O-O {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} 8. Nf3 Qc7 (8... Qa5 9. Bd2 Qh5 10. Be2 d5 11. cxd5 exd5 12. exd5 Nxd5 13. Nd4 Qe5 14. Nf3 Qd6 15. Nxd5 Qxd5 {0-1 (70) Vidit,S (2715)-Vachier Lagrave,M (2789) Riadh 2017}) 9. Be2 b6 10. Bg5 Bb7 11. Rc1 Rad8 12. O-O {LiveBook: 13 Games} Qb8 13. Re1 h6 14. Bh4 d6 15. h3 {[#]} Rfe8 $146 16. Bg3 Nd7 {[%cal Bf6d7,Bd7e5,Be5g6,Bg6f4][%mdl 32]} 17. Bf1 Nde5 18. Nh2 Ng6 19. f4 Bf6 20. Nf3 d5 (20... Rd7 $14) 21. cxd5 $16 Nxf4 {[#]} 22. dxc6 ({White should try} 22. Bb5 $1) 22... Rxd1 23. Nxd1 Bxc6 24. Rxc6 Nxh3+ $1 25. Kh2 $1 Qa8 26. Rc7 Ng5 27. Nxg5 Bxg5 28. Nc3 (28. Bb5 $1 $14) 28... Qd8 (28... Rc8 $11) 29. Rd1 $1 $14 {[%cal Rd1d8]} ({Much weaker is} 29. Rxa7 Bf4 $15) 29... Qf6 {aiming for ...Bf4.} 30. Rdd7 $2 {[%mdl 8192]} (30. Bb5 $14 {stays ahead.} Rf8 31. Rf1 (31. Rxa7 Bf4 $14)) 30... Qxf1 $19 31. Rxa7 Bf4 32. Rab7 h5 {[%cal Bh6h5,Bh5h4,Bh4h3][%mdl 32]} 33. Bxf4 $2 (33. Rxf7 {was the only defense.} Bxg3+ 34. Kxg3 Qxf7 35. Rxf7 Kxf7 36. Kf4) 33... Qxf4+ 34. Kh1 h4 35. Rxb6 {[#]} (35. Rxf7 $142 Qxf7 36. Rxf7 Kxf7 37. e5) 35... h3 $1 {[%mdl 512] Precision: White = 21%, Black = 44%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Gungl, Theo"]
[Black "Ider, Borya"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2242"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,18,67,56,56,70,73,39,77,62,66,52,54,57,42,31,43,7,44,10,15,9,14,4,14,7,19,-15,0,0,45,47,67,59,47,52,37,13,21,0,0,0,42,52,55,58,138,112,184,183,178,7,94,22,14,0,0,-6,-6,-25,-18,-30,-8,-27,-6,-6,-6,-12,-22,-47,-38,-127,-122,-151,-168,-173,-175,-499,-490,-490,-482,-451,-481,-487,-472,-491,-491,-617,-616,-615,-567,-564,-612,-603,-595,-540,-523,-522,-516]} 1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 c6 (5... Bf5 6. Nf3 e6 7. h3 Nb4 8. Na3 Be7 9. c3 Nd5 10. Nc4 O-O {½-½ (10) Delgado Ramirez,N (2602)-Matsuura,E (2492) Brasilia 2018}) 6. c4 {B01: Scandinavian Defence} Nf6 7. Nf3 Bf5 8. Nc3 {White is better.} e6 9. O-O Be7 10. Bf4 O-O 11. Qb3 (11. a3 {looks sharper.} Nbd7 12. Re1 Ne4 13. Nxe4 Bxe4 14. Bf1) 11... Qb6 12. Qxb6 axb6 13. a3 Nbd7 14. Rfd1 h6 $146 15. h3 Rfc8 16. Ne5 Rd8 17. Rac1 Ne4 18. Bf3 Ndf6 19. Ng4 Nd6 20. Ne3 Bg6 21. d5 $1 exd5 22. cxd5 c5 23. g3 Nfe8 $1 24. Be5 Bg5 25. Be2 Rd7 26. f4 Be7 27. Nb5 Ne4 ({Black should play} 27... Rad8 $14) 28. Kg2 f6 (28... N8d6 $16) 29. Bg4 $18 Rdd8 30. Bc3 $2 (30. Bc7 $18) 30... Nxc3 (30... N4d6 $11 31. Be6+ Kh7 32. Nxd6 Nxd6) 31. Nxc3 (31. Rxc3 $16 {Be6+ is the strong threat.} Bf7 32. Rcd3) 31... Nd6 $11 32. Be6+ Kf8 33. g4 b5 34. f5 Be8 35. Kf3 b6 36. Rd2 Ra7 37. Rcd1 Nb7 38. Ne4 {[#] Hoping for d6.} Bd6 39. Nxd6 Nxd6 40. Nf1 (40. Re2 $15) 40... Ra4 $17 41. Ng3 b4 42. axb4 Rxb4 43. Ra1 $2 (43. Re2) 43... Rb3+ $19 {Black is clearly winning.} 44. Kf2 {[#]} Rxg3 $1 {[%mdl 512]} 45. Kxg3 {aiming for Rd3.} Ne4+ 46. Kf4 Nxd2 47. Ra7 Nc4 48. Rb7 b5 49. b3 Nd6 50. Rc7 c4 51. bxc4 Nxc4 52. Ke4 Rb8 53. Kd4 Ne5 {Precision: White = 42%, Black = 54%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Schmitzer, Klaus"]
[Black "Riff, Jean-Noel"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2242"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,144,-26,-27,-21,-9,-25,-20,-42,-23,-10,-26,-25,0,-9,0,-15,0,0,3,8,0,0,33,8,4,-48,-37,-37,-46,-36,5,2,7,-66,66,0,22,-17,-22,-14,-16,-27,-18,-31,0,0,0,-18,0,0,0,-16,-12,-18,-14,-20,-4,-15,0,0,0,0,0,-2,-1,-12,-8,-9,0,0,0,0,0,0,0,0,0,0,4,6,70,0,85,0,0,-29974,-29976,-29989,-29990,-29990,-29978,-5389,-217,-216,-210,-257,-257,-357,-351,-350,-335,-302,-236,-256,-236,-257,-243,-246,-221,-221,-221,-221,-218,-254,-254,-259,-259,-259,-259,-257,-257,-250,-242]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O d6 8. Be3 Nbd7 {B43: Sicilian: Kan Variation: 5 Nc3} 9. Kh1 (9. f4 b5 10. Qf3 Bb7 11. a3 Nc5 12. Rae1 Be7 13. Qg3 g6 14. e5 Nh5 15. Qf2 Ng7 16. exd6 Qxd6 17. Ndxb5 axb5 18. Bxb5+ {0-1 (46) Dourerassou,J (2473)-Fedorchuk,S (2673) Bastia 2014}) 9... b5 10. a3 Bb7 11. Qe2 Be7 12. f4 O-O {LiveBook: 9 Games} 13. Bg1 Nc5 14. Rac1 $146 ({Predecessor:} 14. Rae1 d5 15. e5 Nfe4 16. Bxe4 Nxe4 17. Rf3 {1-0 (58) Pogonina,N (2401)-Sachdev,T (2379) Istanbul 2005}) 14... Rac8 15. Qe3 Qb8 16. b4 Ncd7 17. Nb1 Qa8 {[%cal Rb7e4]} 18. Nd2 g6 19. N4b3 e5 20. Na5 exf4 21. Qxf4 Ne5 22. Bd4 Nfd7 23. Qh6 Bf6 24. Nxb7 ({Better is} 24. c3 $11) 24... Qxb7 $15 25. Nb3 Bg7 26. Qh3 Nb6 27. Na5 Qc7 28. Be2 ({White should try} 28. Bxe5 $11 Bxe5 29. c4) 28... Na4 (28... Nbc4 $15 29. Bxc4 Nxc4 30. Bxg7 Kxg7) 29. c3 (29. c4 $1 $14) 29... Qe7 30. Bd1 Nb2 31. Bb3 Nbc4 32. Nxc4 Nxc4 33. Qd3 Rfe8 34. Bxg7 Kxg7 35. Rf4 Qe5 36. Rcf1 Re7 37. a4 Rcc7 38. axb5 axb5 39. h3 h6 40. R4f2 Kg8 41. Rf4 Nb2 42. Qd2 Nc4 43. Qd3 h5 44. Ba2 Red7 45. R4f2 Qg5 46. Qd4 Ne5 47. Qd5 Qe3 48. Qxb5 Qxc3 49. Bd5 Kg7 50. Rd1 Ra7 51. Rff1 Ra3 (51... Rac7 $11) 52. Qb8 (52. Qb6 $1 $14) 52... Qb2 {[#]} (52... Qg3 $11 {keeps the balance.}) 53. Rb1 (53. Qb6 $1 $16) 53... Qd2 $11 {( -> ...Rg3)} 54. Qe8 $2 {[%mdl 8192]} (54. Qb6 $11) 54... Rg3 {[%csl Gg3][%cal Rd2g2]} 55. Rg1 {[#]} Ng4 $1 {[%mdl 512]} 56. Rb3 (56. hxg4 hxg4) 56... Rxb3 57. Bxb3 Nf6 $2 (57... Nf2+ 58. Kh2 Rc7) 58. Qc8 $19 Qxb4 59. Bd5 Re7 60. Qd8 Nxd5 61. exd5 {[%mdl 4096] Endgame KQR-KQR} Re1 62. Qa8 Re5 63. Rd1 Qb2 64. Qa5 Rf5 65. Qe1 Qa2 66. Qc3+ Kh7 67. Qd3 Qb2 68. Qg3 Qc2 69. Qe1 Rf2 70. Rc1 Qd2 71. Rd1 Qxe1+ 72. Rxe1 Rd2 {Precision: White = 47%, Black = 45%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Ruff, Maximilian"]
[Black "Noe, Christopher"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2237"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,37,44,19,14,0,0,0,20,-26,-33,-40,-22,-33,0,0,20,0,10,-1,34,33,21,6,81,-34,0,0,0,0,0,0,0,-79,-90,-397,-392,-397,-389,-378,-376,-351,-327,-321,-301,-295,-295,-291,-273,-456,-442,-446,-438,-472,-463,-558,-550,-671,-668]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 b6 6. e4 Bxc3+ 7. bxc3 Bb7 8. Bd3 h6 9. O-O d6 10. Bd2 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (10. Nd2 e5 11. f4 Re8 12. Bb2 c5 13. Rae1 cxd4 14. cxd4 Nc6 15. fxe5 dxe5 16. d5 Nb4 17. Qb3 Na6 {0-1 (57) Raznikov,D (2485)-Stukopin,A (2590) Columbus 2017}) 10... Nc6 11. Rae1 e5 12. Qb2 $146 {The position is equal.} ({Predecessor:} 12. Bc1 Qe7 13. Nh4 Na5 14. Nf5 Qe6 15. d5 Qe8 16. f4 Nd7 17. Qe2 Kh7 18. Nxg7 Kxg7 {1-0 (32) Madorsky,F (2065)-Khromov,P (2005) Riazan 2007}) 12... Ba6 13. a4 Na5 14. Qa2 Re8 15. Nh4 Nd5 16. Nf5 Ne7 17. Ne3 Ng6 18. Nf5 Nh4 19. Ng3 Qf6 20. Be3 Ng6 {[#]} (20... exd4 $11 {keeps the balance.} 21. cxd4 c5) 21. Nf5 ({White should try} 21. f4 $1 $16) 21... d5 {And now ...dxe4 would win.} 22. dxe5 $1 Nxe5 23. Bd4 {Black must now prevent f4.} dxe4 ({But not} 23... Bxc4 $2 24. Bxc4 Naxc4 25. f4 $18) 24. Bxe4 Bxc4 25. Qc2 (25. Qb1 $11 Bxf1 26. f4) 25... Bxf1 $17 26. f4 $2 {[%mdl 8192] [#]} (26. Rxf1 $17 c5 27. Bxa8 cxd4 28. cxd4 Rxa8 29. dxe5 Qxe5 30. Rd1) 26... Bd3 $1 $19 {[%cal Rd3c2]} 27. Bxd3 Nxd3 {[%cal Re8e1]} ({And not} 27... Nf3+ 28. gxf3 Rxe1+ 29. Kf2 $11) 28. Rxe8+ Rxe8 {[%cal Re8e1]} 29. Qxd3 Qg6 30. Bxg7 Nb7 31. Be5 {[#]} Nd6 $1 32. Bxd6 cxd6 {KQR-KQN} 33. Qd5 $2 (33. Kf1) 33... Qe6 {Black is clearly winning.} 34. Qxe6 Rxe6 ({Not} 34... fxe6 35. Nxd6 Rd8 36. Nb5 $19) 35. Kf2 Re4 36. Kf3 Rxa4 37. Nxd6 Ra3 {Precision: White = 37%, Black = 59%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Wurzel, Andre"]
[Black "Poetsch, Hagen"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2237"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,14,14,13,12,37,29,27,31,31,0,28,0,0,-15,0,-3,0,-62,-72,-55,-36,-55,-68,-87,-45,-46,-47,-56,-33,-65,-62,-61,0,-13,-4,-44,-35,-31,28,11,20,38,48,-45,-6,-53,-47,-143,-146,-143,-120,-118,-88,-188,-189,-829,-858,-844,-849,-845,-842,-815,-809]} 1. Nf3 Nf6 2. c4 b6 3. e3 Bb7 4. b3 g6 5. Bb2 Bg7 6. Be2 O-O 7. O-O d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 8. d4 Nbd7 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 9. Qc2 d5 (9... c5 10. Rd1 cxd4 11. Nxd4 Rc8 12. Nc3 a6 13. Rac1 Rc7 14. Bf3 Qa8 15. Bxb7 Qxb7 16. Qe2 {0-1 (54) Nakamura,H (2781)-Liang,A (2572) chess.com INT 2018}) 10. Nbd2 c5 {White has an edge.} 11. dxc5 $146 ({Predecessor:} 11. cxd5 Nxd5 12. dxc5 Nxc5 13. Bxg7 Kxg7 14. b4 Nd7 15. Qb2+ N7f6 16. Rfc1 {½-½ (40) Speelman,J (2523)-Motuz,K (2333) Radebeul 2016}) 11... Nxc5 12. Rad1 Rc8 13. Qb1 Qd7 14. cxd5 Bxd5 15. Bc4 Ba8 16. Ne5 ({Better is} 16. Qa1 $11) 16... Qb7 $1 $15 {[%csl Ga8][%cal Rb7g2]} 17. Ndf3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 18. Be2 Nfe4 19. Nd3 Ne6 20. Bxg7 Nxg7 21. Qb2 $1 Nc3 22. Rc1 b4 23. Rfe1 f6 {next ...e5 is good for Black.} 24. Bf1 Rfd8 25. Rc2 a5 $36 {[%mdl 2048] Black is more active.} 26. a3 Rc7 (26... Ne6 $15) 27. axb4 $11 axb4 28. Rec1 Rdc8 29. Nde1 (29. Nfe1 $14) 29... Qb6 30. Bc4+ Kh8 31. Nd3 (31. Ra1 $15) 31... Be4 $17 32. Rd2 Bxd3 33. Rxd3 Nf5 34. Nd4 {[#]} (34. Ra1 $17 {was worth a try.}) 34... Nd6 $1 $19 35. Be6 $2 {[#]} (35. Ra1) 35... Na4 $1 {[%mdl 512] Black is clearly winning.} 36. Rxc7 (36. bxa4 Rxc1+) 36... Nxb2 37. Rxc8+ Nxc8 38. Rd2 Qa6 {Precision: White = 35%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "2"]
[White "Jacob, Volker"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2236"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,14,4,31,20,29,-12,-3,-13,-4,-44,-35,-52,-29,-32,-38,-40,-40,-72,-70,-79,-61,-97,-79,-114,-94,-148,-142,-121,-122,-134,-121,-108,-117,-134,-134,-154,-132,-292,-293,-271,-279,-326,-333,-489,-232,-466,-456]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. cxd5 exd5 8. Bd3 {D45: Semi-Slav: 5 e3} Bb7 9. O-O Be7 10. Bd2 {LiveBook: 12 Games. The position is equal.} Qc7 11. Rac1 O-O 12. Ne2 $146 ({Predecessor:} 12. e4 dxe4 13. Nxe4 c5 14. Rfe1 Nxe4 15. Bxe4 Bxe4 16. Qxe4 {½-½ (37) Wojtaszek,R (2700)-Dreev,A (2654) Loo 2013}) 12... Rfe8 13. Ng3 Rac8 14. Ne5 Nxe5 15. dxe5 Qxe5 16. Bc3 Qc7 17. Bxf6 Bxf6 18. Bxh7+ {[#]} Kf8 $1 19. Bf5 Rcd8 20. Rfd1 g6 21. Bd3 Kg7 22. Qe2 ({White should try} 22. b4) 22... c5 $17 23. b3 Rh8 24. Ba6 Ba8 25. Qg4 Qe5 26. Nf1 Rh4 27. Qe2 d4 28. exd4 $2 (28. f3 $17 {was called for.}) 28... Qg5 $19 {[%csl Ga8][%cal Rg5g2]} ({Less strong is} 28... Rhxd4 29. Qxe5 Bxe5 30. Rxd4 $17) 29. d5 Bd4 ({Resist} 29... Bxd5 30. Ne3 $17) 30. Bc4 b5 ({Weaker is} 30... Bxd5 31. Bxd5 Rxd5 32. Re1 $17) 31. Bxb5 (31. Rb1 $142) 31... Qxd5 (31... Bxd5 $142 {[%csl Gd5][%cal Rg5g2]} 32. g3 {[#]} Rxh2 $1 {[%mdl 512]} 33. Nxh2 Qxg3+ 34. Kf1 Qxh2) 32. Ne3 $2 (32. Qf3 {was the only chance.} Qxf3 33. gxf3) 32... Qg5 {Precision: White = 34%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "2"]
[White "Bussard, Christian"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2227"]
[BlackElo "2453"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Rapport, Richard"]
[Black "Malek, Daniel"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2715"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,75,19,12,14,-10,30,34,47,34,54,52,54,-11,43,59,56,-25,27,0,0,3,16,8,89,84,106,71,67,61,80,75,76,68,72,75,63,68,62,62,85,97,444,432,440,425,425,256,523,531,881,838,845,821,841,814,29995,29996,29996,29997,29997,29998,29998,29999]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Qe2 Qe7 6. Ne3 c6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 7. b3 d5 (7... Nf6 8. Bb2 Na6 9. g3 Nc7 10. Bg2 Be6 11. Nc3 Qd7 12. O-O-O O-O-O 13. h3 d5 14. d4 {0-1 (54) Wei,Y (2753)-Yu,Y (2744) Huocheng County 2017}) 8. Bb2 {LiveBook: 4 Games} Be6 {The position is equal.} 9. g3 Nd7 10. Bg2 Ndf6 11. O-O $146 ({Predecessor:} 11. d3 Nd6 12. O-O g6 13. c4 dxc4 14. dxc4 Bg7 15. Bc3 O-O 16. Qb2 Rfd8 17. Re1 Nfe8 18. Bxg7 Nxg7 19. Nd2 Nde8 20. Re2 Qf6 {½-½ (20) Souleidis,G (2404)-Rabiega,R (2512) Essen 2002}) 11... Qd8 12. d3 Nd6 $1 13. f4 ({Better is} 13. c4 $14) 13... Be7 (13... Qb6 $11) 14. f5 $36 {[%mdl 2048] White has some pressure.} Bd7 15. g4 (15. Bxf6 $14 gxf6 16. Nd2) 15... h6 (15... O-O $142) 16. Bxf6 gxf6 17. c4 dxc4 18. bxc4 Kf8 (18... h5 $11 {keeps the balance.}) 19. Nd2 $16 Qc7 20. a4 h5 21. gxh5 Ne8 22. Ne4 Ng7 23. Rf3 $1 Rxh5 24. Rh3 Rxh3 25. Bxh3 Qe5 26. Rf1 $1 Re8 27. Kh1 {And now Qe1 would win.} Qd4 $2 {[%mdl 8192] [#]} (27... Bd8 $16) 28. Nc2 $1 $18 {[%cal Rc2d4]} Qb2 {[#]} 29. Qg2 $1 {Threatens to win with Rg1.} Bd8 30. Rg1 Nxf5 $2 (30... Nh5 31. Nd6 Ba5 32. Nxe8 Bxe8) 31. Nc5 Bc8 32. Bxf5 Bxf5 33. Qg8+ Ke7 34. Re1+ Be6 35. Rxe6+ {White mates.} fxe6 36. Qg7+ Kd6 37. Ne4+ Ke5 38. Qg3+ {Precision: White = 71%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Andreikin, Dmitry"]
[Black "Thinius, Marco"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2712"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,67,58,64,55,57,89,47,45,0,80,47,70,57,83,83,80,80,77,79,89,82,83,66,60,31,35,47,48,37,83,89,83,79,79,18,183,172,248,254,252,245,246,235,369,362,372,368,356,356,319,332]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nbd7 7. O-O e5 8. dxe5 Ng4 9. Qd2 Ndxe5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 10. c4 {LiveBook: 4 Games} Re8 11. Nc3 Bh6 {White is slightly better.} (11... a5 12. Rad1 Bh6 13. Qc2 Bf5 14. e4 Nxf3+ 15. Bxf3 Bd7 16. Bg2 Bg7 17. h3 {1-0 (41) Meier,G (2632)-Amin,B (2635) Dubai 2014}) 12. Qd4 Bg7 {[#] aiming for ...Nxf3+.} 13. Qd2 Bh6 14. Qd1 c6 $146 ({Predecessor:} 14... f5 15. Nxe5 Nxe5 16. e3 c6 17. Qd2 Qe7 18. Rad1 Nf7 19. Ne2 {½-½ (43) Nent,A (2035)-Esser,N (2158) Goch 2015}) 15. h3 Nxf3+ 16. exf3 Nf6 17. Ne4 Nxe4 18. fxe4 Bg7 19. Bxg7 Kxg7 20. Qd4+ Qf6 21. Rad1 (21. Qd2 {looks sharper.} a5 22. a4 Ra6 23. Rab1 Qe5 24. Rfc1) 21... Qxd4 22. Rxd4 a5 23. Rxd6 Be6 24. f4 Red8 25. c5 a4 26. Rb1 (26. bxa4 $16 Rdb8 27. Rd4) 26... a3 $2 (26... axb3 $1 $11 {and Black stays safe.} 27. axb3 h5) 27. Kf2 $18 Rdc8 (27... Kf8 $142 28. g4 Rxd6 29. cxd6 f6) 28. g4 Rd8 29. Ke3 Kf8 30. e5 Ke7 (30... h5 {might work better.} 31. gxh5 gxh5) 31. Be4 f5 32. gxf5 gxf5 33. Bd3 Rg8 {[#]} 34. Bc4 $1 {Precision: White = 73%, Black = 56%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Van Wely, Loek"]
[Black "Colpe, Malte"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2667"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,-19,-14,15,8,95,93,99,92,100,103,112,100,137,130,145,136,163,110,165,146,166,174,178,181,179,89,100,79,81,89,83,45,43,55,127,92,89,70,104,87,62,30,45,7,7,0,166,-10,7,16,376,361,356,357,716,694,726,722]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Qc2 {E01: Catalan: Early deviations} b5 7. a4 $1 {LiveBook: 13 Games} Bb7 $146 {White must now prevent ...Bxf3.} ({Predecessor:} 7... c6 8. Bg2 Bb7 9. O-O Nbd7 10. b3 c3 11. Nb1 bxa4 12. bxa4 c5 13. Nxc3 cxd4 14. Nb5 O-O 15. Qb2 Qa5 16. Nfxd4 Bxg2 17. Kxg2 {½-½ (36) Li,C (2720)-Mamedyarov,S (2768) Doha 2016}) 8. axb5 {The position is equal.} Bxf3 (8... O-O $11 {remains equal.}) 9. exf3 $16 Qxd4 10. Bxc4 Qe5+ 11. Kf1 Nbd7 12. Nb3 {[%cal Bd2b3,Bb3d4,Bd4c6][%mdl 32]} Qd6 13. Kg2 O-O 14. Rd1 Qe7 15. Be2 (15. Nd4 $18 Qc5 16. Nc6) 15... Bd6 (15... Nb6 $16 {was necessary.}) 16. Nd4 $18 Nd5 17. Nc6 Qf6 18. Bd3 h6 19. Qe2 (19. Bh7+ $18 {is more deadly.} Kh8 20. Be4) 19... Ne5 $16 20. Be4 Nxc6 21. bxc6 Bc5 22. Bb1 Rfd8 23. Qc2 Bd6 ({Better is} 23... Qe5 $14) 24. Ra4 Kf8 25. h4 Nb4 26. Qh7 a5 27. Be3 {aiming for f4.} Ke7 28. f4 {And now Bd4 would win.} Qxb2 {...Qb3 is the strong threat.} 29. Bd4 $1 $36 {[%cal Rd4b2][%mdl 2048] Black is under pressure.} Qb3 $2 {[#]} (29... Qe2 $1 $11 30. Rc1 Qd2) 30. Re1 $2 ({White has to play} 30. Qxg7 $3 $18 {[%mdl 512] Intending Bf6+ and mate.} Nxc6 31. Bf6+ Kd7 32. Qxf7+ Kc8 33. Be4 Qxa4 34. Qxe6+ Kb7 35. Rb1+ Bb4 36. Bxd8 Rxd8 37. Rc1) 30... Qd5+ ({Worse is} 30... Qxa4 {[#]} 31. Rxe6+ $1 {[%mdl 512]} fxe6 32. Qxg7+ Ke8 33. Bg6#) 31. Re4 $1 Nxc6 $2 {[%mdl 8192]} (31... Qxc6 $11 {and Black has nothing to worry.} 32. Ra3 (32. Qxg7 Qxa4 33. Bf6+ Kd7 $15) 32... Rh8 33. Qxg7 Nd5) 32. Ba2 $18 Qh5 33. Qxg7 Nxd4 $2 (33... Qf5 34. Rxe6+ Kd7) 34. Raxd4 {White threatens Bxe6 and mate.} ({Inferior is} 34. Qxd4 Rg8 $11) 34... Qg6 35. Rxe6+ {Precision: White = 59%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Shirov, Alexei"]
[Black "Tomczak, Mikolaj"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2651"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,61,6,5,-4,-8,-8,0,-2,0,-13,0,-4,-4,-2,0,0,0,0,0,0,14,15,15,12,16,0,0,2,2,0,0,0,2,2,2,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Be3 Be7 10. c3 O-O 11. Nbd2 Qd7 12. Re1 Rad8 13. Bc2 Bf5 14. Nxe4 {C83: Open Ruy Lopez: 9 c3 Be7} Bxe4 {LiveBook: 12 Games. The position is equal.} 15. Ng5 (15. Bxe4 dxe4 16. Qxd7 Rxd7 17. e6 fxe6 18. Nd2 Ne5 19. Nxe4 Nd3 20. Re2 Rf5 21. Kf1 Kf7 {½-½ (46) Leko,P (2735)-Akopian,V (2694) Astrakhan 2010}) 15... Bxg5 16. Bxg5 Qf5 17. Bxe4 $146 ({Don't play} 17. Bxd8 Bxc2 18. Qxd5 (18. g4 $2 Qg6 $19) 18... Nxd8 $17) ({Find the theoretical novelty and annotate with similar games:} 17. Rxe4 Qxg5 18. h4 Qh6 19. Rg4 Nxe5 20. Rg5 Qf6 21. Bxh7+ Kxh7 {0-1 (51) Fons Cervero,F-Sorin,A (2415) Olot 1992}) 17... Qxg5 18. Bd3 Nxe5 {[#]} 19. h4 $1 {[%mdl 512]} Qf6 {[#] Threatening ...Rfe8.} (19... Qxh4 20. Rxe5) 20. Bxh7+ $1 {[%mdl 512]} Kxh7 21. Qh5+ Kg8 22. Qxe5 Qxe5 23. Rxe5 Rfe8 24. Rxe8+ Rxe8 $11 {[%mdl 4096] Endgame KR-KR} 25. Kf1 Kf8 26. a4 Re4 27. axb5 axb5 28. g3 d4 29. Rc1 dxc3 30. Rxc3 Rb4 31. Rxc7 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Gordievsky, Dmitry"]
[Black "Miedema, David"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2630"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,8,52,32,31,10,47,23,33,16,22,5,67,25,107,100,110,100,111,94,119,105,153,154,258,252,262,256,268,250,517,491,663,653]} 1. d4 e6 2. Nf3 Nf6 3. e3 c5 4. Bd3 Nc6 5. b3 (5. O-O d5 6. c3 Bd6 7. Nbd2 O-O 8. Qe2 e5 9. dxc5 Bxc5 10. e4 h6 11. exd5 Nxd5 12. Ne4 Bb6 13. Ng3 Re8 14. Re1 Bg4 15. h3 Be6 16. Bc2 Qc7 17. Qe4 Nf6 18. Qh4 {1-0 (65) Kramnik,V (2777)-Aronian,L (2784) Berlin 2015}) 5... Qc7 6. a3 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} d5 7. Bb2 Bd6 8. c4 {White is slightly better.} dxc4 9. bxc4 O-O 10. O-O e5 $146 (10... cxd4 $11 11. exd4 a6) ({Predecessor:} 10... Rd8 11. Nbd2 b6 12. Qc2 h6 13. Rfe1 Be7 14. Ne4 cxd4 15. exd4 Bb7 16. d5 exd5 17. Nxf6+ Bxf6 {½-½ (32) Armbruster,A (2212)-Henrichs,T (2449) Senden 2000}) 11. d5 Ne7 (11... e4 $11 12. Bxf6 exf3 13. Qxf3 Bxh2+ 14. Kh1 Be5 15. Bxe5 Nxe5) 12. Nc3 $16 a6 13. h3 Bd7 14. a4 Rae8 15. Qc2 g6 16. Nd2 Nh5 (16... Bf5 $16 17. a5 Bxd3 18. Qxd3 Nd7) 17. Nce4 $18 {Strongly threatening g4.} f5 18. Nxd6 Qxd6 19. Qc3 {Black must now prevent f4.} Nc8 $2 {[#]} (19... g5 {might work better.} 20. a5 Ng6) 20. f4 $1 {[%cal Bf2f4,Bf4e5][%mdl 544]} Nb6 (20... exf4 21. Qh8+) 21. fxe5 {Precision: White = 47%, Black = 22%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kozul, Zdenko"]
[Black "Skembris, Spyridon"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2617"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,127,53,50,79,87,116,100,114,106,111,97,112,106,112,104,128,110,112,114,109,108,141,131,138,129,153,102,167,158,184,184,175,193,193,150,142,142,167,170,383,406,612,378,385,379,371,371,371,371,420,418,459,416,574,484,484,473,443,385,384,384,361,333,424,424,423,417,416,409,556,541,679,549,665,665,690,682,600,529,950,905,876,818,640,513,491,476,429,405,574,510,462,340,600,589,593,590,1345,1298,1212,1116,1052,814,1054,970,764,826,866,711]} 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. dxc5 Bxc5 9. a3 O-O 10. b4 Bb6 {D30: Queen's Gambit Declined: Systems without Nc3} 11. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32] LiveBook: 33 Games} a6 12. Bg5 Be6 $146 {White is better.} ({Predecessor:} 12... d4 13. Ne4 Bf5 14. Bxf6 gxf6 15. Nc5 Bxc5 16. bxc5 Re8 17. Re1 Be4 18. Qb3 Re7 {0-1 (54) Blomqvist,E (2567)-Leito,P (2333) Puhajarve 2016}) 13. Bxf6 gxf6 14. Rc1 Re8 15. Qd2 Kg7 16. Na4 Ba7 17. Nc5 Qe7 18. Nd4 Rac8 19. Nxc6 Rxc6 20. Nd3 ({Don't play} 20. Bxd5 $6 Bxd5 21. Qxd5 Qxe2 $11) 20... Bb8 21. Rxc6 bxc6 22. Rc1 Bd7 23. e3 ({Better is} 23. Nc5) 23... Bd6 {[#]} (23... a5 $16 {is a better defense.}) 24. Nc5 $1 $18 a5 25. Nxd7 Qxd7 26. bxa5 Bxa3 27. Rb1 Bc5 28. a6 {Black must now prevent Qa5.} Re7 29. Qc2 Qa7 $2 (29... Ba7 30. Rb7 Qe6) 30. Bf1 Rc7 (30... d4 $142 31. Rb7 Rxb7 32. axb7 dxe3) 31. Rb7 Rxb7 32. axb7 Bxe3 33. fxe3 Qxb7 34. Qf5 Qb4 35. Kf2 Qd2+ 36. Be2 c5 37. Qd3 Qa2 38. h4 h6 39. Kf1 Qa1+ 40. Bd1 Qe5 41. Kf2 f5 42. Bf3 d4 43. exd4 cxd4 44. Qd2 Qc5 45. Kg2 Kg6 46. Qd3 Kf6 47. Be2 Qc6+ 48. Qf3 Qc2 49. Kf2 Kg6 50. Qd3 Qc5 51. Qb5 Qc3 52. Qa6+ Kg7 53. Qd3 Qc5 54. Bd1 Kf6 (54... Kg6 $142 55. Bb3 Qe5) 55. Bb3 Qa7 56. Qc4 Kg6 $2 (56... f4 57. gxf4 d3+ 58. Kf3 Qd7) 57. Kf3 {White is clearly winning.} Qb7+ {[#]} 58. Qd5 $1 Qa7 59. Bc2 Qa3+ 60. Kg2 Qe3 61. Qxf5+ Kg7 62. Bd3 Qd2+ 63. Kh3 {Intending Bc4 and mate.} Qe3 64. Bc4 {Precision: White = 93%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.03"]
[Round "3"]
[White "Landa, Konstantin"]
[Black "Schulze, Marc"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2613"]
[BlackElo "2156"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Papp, Gabor"]
[Black "Engel, Luis"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2604"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,90,-30,-7,-7,0,-38,0,-68,12,27,186,-23,-24,-24,-33,-39,9,0,0,0,0,0,54,14,17,0,0,0,0,-20,-16,-22,-5,-7,2,-11,50,0,-5,-13,-13,-211,-211,-211,-211,-1117,-1117,-1081,-1057,-1043,-1035,-29976,-29977,-29977,-29978,-29978,-29979,-29978,-29979,-29978,-748,-29979,-29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. e5 dxe5 {B97: Sicilian Najdorf: Poisoned Pawn} 12. fxe5 g5 (12... Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5 15. Qe3 Qxe5 16. Be2 Bc5 17. O-O Nc6 18. c3 O-O 19. Bg3 {0-1 (47) Dubov,D (2701)-Sjugirov,S (2652) Batumi 2018}) 13. exf6 gxh4 14. Be2 Qa5 15. O-O Nd7 {LiveBook: 47 Games} (15... h3 $5) 16. Kh1 Qg5 17. Qd3 Nc5 18. Qc4 {[#]} (18. Qf3 $11) 18... Rg8 $146 ({Black should play} 18... b5 $1 $15 19. Ndxb5 axb5 20. Nxb5 Qe5) ({Find the theoretical novelty and annotate with similar games:} 18... Bd7 19. Bf3 {½-½ (35) Van Unen,H (2489)-Mueller,G (2571) ICCF email 2016}) 19. Bf3 $1 $11 Bd6 $2 (19... Rg6 $11 {and Black is okay.}) 20. Rbe1 $2 (20. Ne4 Nxe4 21. Bxe4 Qc5 $14) (20. Rbd1 $1 $18) 20... Bd7 {White must now prevent ...Qf4.} 21. Ne4 Nxe4 22. Rxe4 Rc8 23. Qd3 Rg6 $1 ({But not} 23... Qxf6 $2 24. Bh5 $18) 24. Nxe6 Bxe6 25. Qxd6 {[%csl Gf6][%cal Rd6e7]} Qxf6 (25... Rxf6 $11 26. Re5 Rd8) 26. Rfe1 {Hoping for Bh5.} Qe7 27. Qd4 {aiming for Bh5.} Qc5 28. Qh8+ Ke7 29. Qb2 h3 30. Qxb7+ Rc7 31. Qxa6 hxg2+ 32. Bxg2 Ra7 ({Better is} 32... Kf8 $11 33. Rf4 (33. Rxe6 Rxe6 34. Rxe6 fxe6 $15) 33... Kg7) 33. Qe2 (33. Qf1 $14) 33... Rxa2 34. Rc4 Qa5 35. Qe4 $2 {[#]} ({Don't go for} 35. Rc8 $2 Ra1 $19) (35. Qf2 $11 {and White has nothing to worry.}) 35... Kf8 $1 $19 36. Rb4 {[#]} Rg4 $1 {[%cal Rg4e4]} 37. Rb8+ $2 (37. Qxe6 fxe6 38. Rf1+ Ke7 39. Rxg4) 37... Kg7 38. Qe3 Rxc2 {( -> ...Qd5)} 39. Rg1 {[#]} Qd5 $1 {[%cal Rc2g2][%mdl 512]} 40. Bxd5 Bxd5+ 41. Rg2 Rcxg2 {[%csl Gg4][%cal Rg2g1]} 42. Qe5+ f6 {[%csl Gg4][%cal Rg2g1]} 43. Qe7+ Kg6 {[%csl Gg4][%cal Rg2g1]} 44. Qe8+ Bf7 (44... Kg5 $142 45. Qe3+ Kh5 46. Qh3+ Kg6 47. Qxg2 Rxg2 48. Rg8+ Bxg8 49. Kxg2 h5 50. Kg3 Kf5 51. Kf3 Bd5+ 52. Ke3 Kg4 53. Kd4 Ba2 54. Kc5 Kh3 55. Kd6 Kxh2 56. Ke7 f5 57. Kf6 f4 58. Kg5 f3 59. Kf5 Kg3 60. Ke5 f2 61. Kd4 f1=Q 62. Kc5 Qc4+ 63. Kb6 Bb1 64. Kb7 Bd3 65. Kb8 Qc6 66. Ka7 Qc7+ 67. Ka8 Be4#) 45. Qe3 {[#]} Rg1+ $1 {[%mdl 512] Precision: White = 37%, Black = 54%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Sumets, Andrey"]
[Black "Lokander, Martin"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2590"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,6,18,15,8,17,55,54,45,26,27,13,8,10,10,4,13,13,13,13,18,8,10,14,15,14,27,8,8,8,8,7,6,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 Nbd7 7. O-O Bd6 8. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3} O-O 9. Bd3 c5 {LiveBook: 13 Games} 10. Re1 (10. Qe2 cxd4 11. exd4 b6 12. Nc4 Be7 13. Bd2 Bb7 14. Rfe1 Bd5 15. Rac1 Rc8 {1-0 (25) Rodshtein,M (2688)-Miton,K (2596) Czech Republic 2017}) 10... cxd4 11. exd4 Nb6 $146 ({Predecessor:} 11... b6 12. Nc4 Bb4 13. Rf1 Bb7 14. Qe2 Qc7 15. Nce5 Bd6 {0-1 (33) Noroozi,O (2392)-Pourramezanali,A (2514) Teheran 2016}) 12. Ne4 Be7 13. Nxf6+ Bxf6 14. Qe2 Nd5 15. Qe4 {[%csl Gd3][%cal Re4h7] [#]} g6 16. Bh6 Re8 17. Bc4 {aiming for Bxd5.} Bd7 {[%cal Bc8d7,Bd7c6,Bc6d5][%mdl 32]} 18. Bxd5 exd5 19. Qxd5 Bc6 20. Rxe8+ Qxe8 21. Qb3 Qe4 22. Re1 (22. Qe3 {keeps more tension.} Qxe3 23. Bxe3 Bd5 24. Ne5 Rc8 25. Nd3) 22... Qd5 {The position is equal.} 23. Qxd5 Bxd5 24. b3 a5 25. Ne5 a4 26. bxa4 Bg7 27. Bxg7 Kxg7 28. Nd7 Rxa4 29. Nb6 Rxd4 30. Nxd5 Rxd5 31. g3 {Precision: White = 72%, Black = 77%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Buhmann, Rainer"]
[Black "Farago, Ivan"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2588"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,75,-8,9,0,17,0,14,0,0,0,0,0,35,-17,-25,-19,33,0,0,12,0,3,99,101,101,105,154,135,145,152,157,168,146,153,277,279,267,276,319,306,470,475,594,591,576,568,625,625,622,581,765,746,733,585,1074,1062]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Nbc6 9. h4 Bd7 10. h5 h6 11. Be2 c4 {LiveBook: 3 Games} 12. Nh4 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} O-O-O 13. Bg4 Rdf8 {[#]} 14. g3 $146 {The position is equal.} ({Predecessor:} 14. Qe2 g5 15. Nf3 Ng8 16. O-O Re8 17. Nh2 f5 18. exf6 Nxf6 19. f4 Ne4 {½-½ (41) Oparin,G (2575)-Vitiugov,N (2721) Sochi 2016}) 14... g5 15. hxg6 $1 fxg6 16. Ng2 g5 17. f4 ({Better is} 17. Ne3 $14) 17... Nf5 $11 18. Bxf5 exf5 (18... Rxf5 $11 19. fxg5 Nxe5) 19. Kf2 Nd8 20. Qb1 $36 {[%mdl 2048] White has some pressure.} ({Much weaker is} 20. fxg5 hxg5 21. Rxh8 Rxh8 $15) 20... Ne6 21. Qb4 Qxb4 (21... Qc7 $1 $11 {remains equal.}) 22. axb4 $16 a6 23. Rh2 h5 24. fxg5 f4 25. Nxf4 Nxg5 26. Ke3 Bg4 27. Ra5 Ne4 (27... Rh6 $16 28. Rxd5 b5) 28. Be1 $18 ({And not} 28. Rxd5 Nxg3 29. Rf2 h4 $15) 28... Ng5 29. Rxd5 Nf3 30. Rh1 Nxe1 (30... Rh6 $142 31. Rc5+ Kb8 32. Rxc4 Ng5) 31. Rxe1 {White is clearly winning.} h4 32. gxh4 Rxh4 33. e6 Rh7 34. Rc5+ Kb8 35. Re5 Kc7 36. Rg1 Rh4 37. Rg5 Bh3 38. Ng6 {Precision: White = 59%, Black = 40%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Sadzikowski, Daniel"]
[Black "Ondersteijn, Niels"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2583"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,79,54,63,47,55,53,64,40,43,42,39,41,47,38,36,23,38,30,39,18,12,17,16,14,23,5,0,15,6,10,15,14,57,57,57,57,64,58,109,110,156,132,132,117,151,145,265,264,262,260,307,303]} 1. Nf3 g6 2. e4 c5 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. f3 Bg7 9. Be3 O-O 10. Qd2 a5 11. b3 Be6 12. Rc1 Nd7 13. Be2 Nc5 14. O-O Qb6 {B39: Sicilian: Maroczy Bind with 5...Bg7 and 7...Ng4} 15. Nb5 (15. Rc2 Rfc8 16. Kh1 Qb4 17. Nd5 Bxd5 18. exd5 Na6 19. Qc1 a4 20. Bd2 Qc5 21. Qe1 axb3 22. axb3 {½-½ (44) Predke,A (2530)-Iturrizaga Bonelli,E (2630) Moscow 2015}) 15... Rfc8 {LiveBook: 3 Games} 16. Kh1 $146 ({Predecessor:} 16. Rfd1 Bd7 17. Qe1 Bh6 18. Bf1 Bxe3+ 19. Qxe3 Bxb5 20. cxb5 Nd7 21. Kf2 Kg7 22. g3 Qxe3+ 23. Kxe3 {1-0 (47) Vega Gutierrez,S (2411)-Sgircea,S (2286) Monzon 2016}) 16... Qd8 {White is slightly better.} 17. Rfd1 Qf8 18. Re1 Bd7 19. Nc3 Bc6 20. Bf1 Rd8 21. Nd5 e6 22. Nc3 {[%cal Bd5c3,Bc3e2,Be2d4,Bd4b5][%mdl 32]} h5 23. Ne2 Kh7 24. Nd4 e5 25. Nb5 Bh6 26. Nc7 Ra7 27. Red1 Bxe3 28. Qxe3 b6 29. Nd5 Bxd5 30. Rxd5 Qh6 (30... Rb7 {is interesting.} 31. Rcd1 Ne6 32. Qd2 Rbd7 33. Qf2 Rb7) 31. Qxh6+ Kxh6 32. Rcd1 Rad7 33. g3 $1 Ne6 (33... a4 $14) 34. Bh3 $16 Kg7 35. Bxe6 fxe6 {[#]} 36. Rb5 $1 Rb7 {[#]} 37. c5 $1 {[%mdl 512]} Rdb8 (37... Rc7 $16) (37... bxc5 38. Rxb7+) 38. cxd6 $18 {White has a decisive advantage.} Kf6 39. Rc1 g5 40. Kg2 {Precision: White = 59%, Black = 41%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Demuth, Adrien"]
[Black "Wenninger, Philipp"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2551"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,40,27,41,33,34,25,42,39,42,33,49,40,43,31,29,21,60,59,53,14,14,17,15,0,7,-30,-12]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 c5 8. Nc3 {A11: English Opening: 1...c6} Bc6 {LiveBook: 200 Games} 9. O-O e6 10. Qc2 {White is slightly better.} Nbd7 (10... Be7 11. Rd1 O-O 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Nbd7 15. Bg5 {½-½ (15) Svidler,P (2765)-Karjakin,S (2760) Riadh 2017}) 11. e4 e5 12. a4 $146 ({Predecessor:} 12. d3 Be7 13. a4 O-O 14. Nd2 Ne8 15. Nc4 Nc7 {1-0 (54) Wagner,D (2564)-Schneider,I (2506) Germany 2018}) 12... g6 13. d3 Bg7 14. Rb1 O-O 15. Nd2 Qe7 16. Nc4 Rac8 17. f4 exf4 18. Bxf4 Qe6 19. Rbe1 Ng4 20. Bh3 Bd4+ {Precision: White = 54%, Black = 72%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kuljasevic, Davorin"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2538"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,33,12,48,23,21,5,40,8,29,-19,-27,-24,21,-46,-44,-40,-44,-38,-16,-21,-18,-26,-18,-28]} 1. d4 g6 2. c4 Bg7 3. e4 e6 4. Nc3 Ne7 5. Nf3 d5 6. e5 {A40: Unusual replies to 1 d4} Nbc6 {LiveBook: 7 Games} 7. Bg5 (7. Be2 h6 8. O-O O-O 9. Re1 b6 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Bd3 {1-0 (60) Onischuk,A (2681)-Ipatov,A (2665) Saint Louis 2018}) 7... h6 8. Be3 $146 ({Predecessor:} 8. Bf4 dxc4 9. Bxc4 g5 10. Be3 Nf5 11. h3 a6 12. O-O {1-0 (36) Van Foreest,L (2489)-Kreisl,R (2448) Zalakaros 2017}) 8... b6 9. Be2 Bb7 10. Rc1 dxc4 11. Bxc4 Nf5 12. O-O (12. Bd3 $1 $11) 12... O-O $15 13. Qd2 Nce7 14. Be2 Nd5 15. Nxd5 Bxd5 16. Qc3 c6 17. Rfd1 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Malakhatko, Vadim"]
[Black "Coenen, Michael"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2536"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,51,18,31,66,75,99,56,56,47,54,49,54,61,172,156,160,160,181,174,366,388,556,575,868,868,853,866,29993,29994,29994,29995]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 Nd5 11. Qa4 Nb6 12. Qa5 {LiveBook: 18 Games. E05: Open Catalan: 5 Nf3 Be7} Nd5 $146 ({Find the theoretical novelty and annotate with similar games:} 12... Bb7 13. Rd1 Qc8 14. Rb1 Rd8 15. e4 Ba6 16. a4 c5 17. d5 exd5 18. exd5 Bb7 19. Qxc5 Nxa4 20. Qxc4 {½-½ (45) Howell,D (2685)-Speelman,J (2510) England 2017}) 13. Rb1 {[%mdl 1024] White has compensation.} Qe7 14. e4 {White is better.} Nb6 $1 15. Bd2 {Bb4 is the strong threat.} Re8 16. Bb4 Qd8 17. Rfd1 $36 {[%mdl 2048] White is more active.} e5 (17... h6 $14) 18. dxe5 $18 Qg5 19. f4 Qh5 20. f5 g6 $2 {[#]} (20... Qg5 21. Qc5 Rb8) 21. e6 $1 {[%mdl 512] Strongly threatening Qe5.} fxe6 (21... f6 $142 22. Rf1 gxf5 23. exf5 Bb7) 22. Qe5 gxf5 23. Bc3 {[%csl Gc3][%cal Re5g7]} Qg6 24. Bf3 {Intending Bh5! and mate.} Nd7 {[#]} 25. Rxd7 $1 {[%mdl 512]} Bxd7 {[#]} 26. Bh5 $1 {[%mdl 512] Precision: White = 92%, Black = 16%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Lampert, Jonas"]
[Black "Schitco, Ivan"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2532"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,90,18,17,18,8,11,11,8,10,18,14,16,0,0,0,0,0,25,-21,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,-54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. c3 e6 7. Nh3 Nf6 8. Nf4 Bd6 9. h4 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qc7 10. Qf3 Nbd7 11. h5 Bc2 12. h6 g6 13. Bd3 {LiveBook: 21 Games} Bxd3 14. Nxd3 Qa5 15. Bf4 Bxf4 16. Qxf4 g5 {[#]} 17. Qe3 $146 O-O-O 18. Ne4 Nxe4 19. Qxe4 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 20. Qe3 Qd5 21. O-O f4 22. Qe2 Rhf8 23. Rfe1 Rf6 24. Ne5 Nxe5 25. dxe5 f3 26. gxf3 Rf4 {And now ...g4 would win.} 27. Rad1 Qxf3 28. Rxd8+ Kxd8 29. Qxf3 Rxf3 $11 {[%mdl 4096] Endgame KR-KR} 30. Kg2 Rf4 31. Re3 Ke7 32. Rg3 Rf5 33. Re3 (33. c4 $1 $11) 33... b5 (33... Kf7 $1 $15) 34. b4 {The position is equal.} Kf7 35. Rd3 Rxe5 36. Rd7+ Kg6 37. Rc7 $1 Kxh6 38. Rxc6 g4 39. Ra6 Kg5 40. Rxa7 Re2 41. Rxh7 Rxa2 42. Rg7+ Kf4 43. Rf7+ Ke4 44. Rb7 Kf4 45. Rf7+ $1 Ke5 {Precision: White = 77%, Black = 81%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Schneider, Ilja"]
[Black "Meissner, Felix"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2513"]
[BlackElo "2352"]
[Annotator "ChessBase"]
[PlyCount "15"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/7200:1800"]

1. d4 {[%emt 0:00:30]} g6 {[%emt 0:00:43]} 2. e4 {[%emt 0:00:38]} c6 {[%emt 0:00:09]} 3. Bd3 {[%emt 0:05:11]} d5 {[%emt 0:00:29]} 4. exd5 {[%emt 0:00:29]} cxd5 {[%emt 0:01:16]} 5. Bf4 {[%emt 0:00:36]} Nc6 {[%emt 0:01:54]} 6. c3 {[%emt 0:01:09]} Nf6 {[%emt 0:00:29]} 7. Nd2 {[%emt 0:01:21]} Bf5 {[%emt 0:02:44]} 8. Bxf5 {[%emt 0:01:33]} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Valsecchi, Alessio"]
[Black "Eden, James"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2510"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,135,7,7,-10,0,-137,-123,-182,-56,-98,-61,-69,-36,-81,-83,-72,6,24,23,9,14,10,23,0,37,11,53,72,83,89,115,113,155,163,158,156,156,140,158,151,157,152,145,153,174,168,168,167,290,285,287,260,257,252,242,222,248,222,224,232,281,281,263,263,297,290,293,286,320,281,344,333,318,318,318,318,318,260,1591,1462,1242,1212,29936,29947,12571,11252,29953,8622,29947,5624,29969,29969,29967,29960,29958,29969,29953,29959,29974,29972,29976,29977,29977,29978,29979,29975,29974,29968,29968,29961,5920,4802,29980,29981,29981,29982,29982,29983]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. d5 b5 {E73: King's Indian: Averbakh Variation without 6...c5} (7... e6 8. Nf3 exd5 9. cxd5 Bg4 10. Nd2 Bxe2 11. Qxe2 Re8 12. f3 Nbd7 13. a4 Qb6 14. Nc4 Qa6 15. Nb5 Ne5 16. Nbxd6 Nxc4 17. Nxc4 Nxd5 18. exd5 {½-½ (61) Buhmann,R (2584)-Fedorov,A (2573) Katowice 2017}) 8. cxb5 a6 9. bxa6 Qa5 10. Bd2 Bxa6 {LiveBook: 9 Games} 11. Qc2 Nbd7 12. Nf3 $146 (12. a4 $11) ({Predecessor:} 12. b3 e6 13. dxe6 fxe6 14. Na4 Qc7 15. Rc1 Ne5 16. Bxa6 Rxa6 17. Ne2 {0-1 (48) Antonova,N (1944)-Khamdamov,S (2292) Dushanbe 2013}) 12... Bxe2 $17 13. Kxe2 {[#]} (13. Nxe2 $17 Qa4 14. Qxa4 Rxa4 15. Nc3) 13... Ng4 (13... Qa6+ $1 $19 14. Qd3 Qxd3+ 15. Kxd3 c4+ 16. Kc2 (16. Kxc4 Rab8 $11) 16... Nc5) 14. Kf1 f5 15. Kg1 Qb6 16. h3 fxe4 17. Nxe4 Nge5 (17... Qxb2 $17 18. Qxb2 Bxb2) 18. Nfg5 $36 {[%mdl 2048] White is pushing.} Qb7 19. Ne6 Qxd5 20. Nxf8 Rxf8 21. Bc3 Qc6 22. Rc1 Rf4 23. Ng3 d5 24. Ne2 Rf7 25. f4 d4 26. Bxd4 $1 ({Don't do} 26. fxe5 $6 dxc3 27. Nxc3 Bxe5 $14) 26... cxd4 27. Qxc6 Nxc6 28. Rxc6 d3 {[#]} 29. Rc8+ $1 Nf8 30. Nc3 {Threatens to win with Kf2.} Rxf4 31. Rd8 Bd4+ 32. Kh2 {aiming for Nd5.} Be5 33. Rd5 Bb8 (33... Rf5+ $142 34. Rxe5 (34. g3 e6 $16) 34... Rxe5) 34. Rd1 $18 Rf1+ 35. g3 Rf2+ 36. Kg1 Rxb2 37. R1xd3 Ne6 38. Kf1 Bd6 39. Ne4 Rxa2 40. Nxd6 exd6 41. Rxd6 {[%mdl 4096] Endgame KRR-KRN} Ng5 42. Rd8+ Kg7 43. R8d7+ Kg8 44. h4 Nf7 45. Re3 Ra6 46. Re8+ Kg7 47. Ree7 Rf6+ 48. Kg2 h5 $2 (48... h6 49. g4 g5) 49. Re2 Rf5 50. Rf2 Rxf2+ 51. Kxf2 {KR-KN} Kf6 52. Ke3 Ke6 53. Ra7 Kf6 54. Kf4 (54. Ke4 $142 Nd6+ 55. Kf4 Nf7 56. Ra6+ Kg7 57. Rc6 Nh6 58. Ke5 Ng4+ 59. Ke6) 54... Nh6 55. Ra6+ Kg7 56. Rb6 Nf7 57. Ke4 Nh6 58. Ke5 Nf5 59. Rb3 Kh6 60. Kf6 Nd6 61. Re3 Nf5 62. Rf3 Nd6 63. Ke5 Nc4+ 64. Kd5 Nb6+ 65. Kc5 Nd7+ 66. Kd6 {White mates.} Nb6 67. Rf4 Nc8+ 68. Kd7 {Precision: White = 72%, Black = 42%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Ider, Borya"]
[Black "Videnova, Iva"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2505"]
[BlackElo "2323"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,73,2,0,0,0,0,-3,0,0,1,-8,40,-22,0,-7,34,-13,0,-8,-10,0,0,0,0,-23,0,-4,0,-10,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Be2 c5 7. Ne5 {LiveBook: 227 Games} Nfd7 {D00: 1 d4 d5: Unusual lines} (7... Nc6 8. O-O Ne8 9. Nxc6 bxc6 10. Na4 cxd4 11. exd4 Nd6 12. Re1 f6 13. Bd3 Nf7 14. c4 e5 15. Bg3 e4 16. Bf1 {0-1 (42) Hebden,M (2454)-Donchenko,A (2583) Newcastle 2018}) 8. Nxd7 $146 ({Predecessor:} 8. Nf3 cxd4 9. exd4 Nb6 10. O-O Nc6 11. h3 Bf5 12. Qd2 f6 13. Be3 g5 14. b3 e6 15. Rfd1 {0-1 (65) Bendig,F (2150)-Laghetti,G (2394) LSS email 2010}) 8... Bxd7 9. dxc5 e5 10. Bg3 Bc6 {next ...d4 is good for Black.} 11. O-O h5 {[#] White must now prevent ...h4.} 12. h3 (12. f3 $14) 12... h4 13. Bh2 Na6 14. a4 (14. Bxa6 $5 bxa6 15. Re1 $11) 14... Nxc5 15. b4 $1 {[%cal Rb4c5]} d4 $1 {[%cal Rd4c3]} 16. exd4 exd4 {aiming for ...d3.} 17. bxc5 {[#] Strongly threatening Nb5.} dxc3 18. Bf3 Qxd1 19. Rfxd1 {The position is equal.} Bxf3 20. gxf3 Rfd8 21. Bd6 Rac8 22. Rab1 Rd7 23. Kf1 Rc6 24. Ke2 b6 25. cxb6 axb6 26. Bf4 Rxd1 27. Rxd1 $11 {[%mdl 4096] Endgame KRB-KRB} Rc4 28. Be3 Rxa4 29. Bxb6 Ra6 30. Be3 Bf6 31. Rb1 Kg7 32. Kd3 Ra5 33. Ke4 Re5+ 34. Kd3 Rf5 35. Ke4 Re5+ 36. Kd3 Rf5 37. Ke4 {Precision: White = 67%, Black = 75%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Riff, Jean-Noel"]
[Black "Grigorian, Spartak"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2503"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,45,8,7,18,0,6,0,-2,-4,0,0,-4,-4,-9,-5,-14,-17,-7,-25,-27,-35,-25,-27,-29,-41,-35,-84,-60,-62,-63,-73]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nc6 4. Bb5 Bd6 5. O-O (5. d3 h6 6. Ne2 a6 7. Ba4 b5 8. Bb3 Na5 9. d4 Nxb3 10. axb3 Nxe4 11. dxe5 Bc5 12. Qd5 Bxf2+ 13. Kf1 {½-½ (49) Inarkiev,E (2689)-Svidler,P (2765) St Petersburg 2017}) 5... O-O 6. d3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} h6 7. a3 Re8 8. Ne2 Bf8 9. Ng3 {LiveBook: 6 Games} d5 10. exd5 $146 ({Predecessor:} 10. h3 Bd7 11. b4 a6 12. Ba4 dxe4 13. dxe4 {0-1 (30) Damjanovic,I (2023)-Pavlovic,Z Bosnjaci 2008}) 10... Qxd5 11. Bc4 Qd6 12. Re1 Be6 13. Bxe6 Rxe6 14. b4 Rae8 15. Nd2 Qd7 16. Bb2 a6 17. Nc4 b5 18. Nd2 a5 19. bxa5 Nxa5 20. Bc3 Nb7 21. Nb3 Nc5 22. Nxc5 Bxc5 23. Bb2 {Precision: White = 61%, Black = 79%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Noe, Christopher"]
[Black "Paltrinieri, Nicholas"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2494"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,4,8,14,0,4,6,11,0,18,10,39,22,50,41,89,89,86,96,94,65,118,78,79,66,64,53,120,14,298,287,301,292,292,126,132,113,128,126,126,126,132,127,464,466,499,479,512,444,443,430,489,473,778,862,861,850,804,448,5406,5365,5383,5310,4133,1468]} 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Bb4 5. Qb3 Qe7 6. a3 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3} (6. Bd2 b6 7. g3 Bb7 8. Bg2 Nc6 9. O-O Na5 10. Qc2 Nxc4 11. Nb5 Nxd2 12. Nxc7+ Kf8 13. Nxd2 Bxg2 14. Kxg2 {0-1 (45) Aronian,L (2792)-Carlsen,M (2855) Leuven 2016}) 6... Bxc3+ 7. Qxc3 O-O 8. g3 b6 9. Bg2 Bb7 10. O-O {LiveBook: 8 Games} d6 11. b3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 12. Bb2 Rae8 $146 13. Rad1 Ne4 14. Qc2 Ndf6 15. Ne1 {[%cal Bf3e1,Be1d3,Bd3f4,Bf4d5][%mdl 32]} Ba8 16. Nd3 Ng4 17. Bc1 {Strongly threatening f3.} Ng5 18. f3 Nh6 19. Nf4 Kh8 (19... e5 $14) 20. Bb2 e5 21. dxe5 dxe5 22. Nd5 Qc5+ ({Black should play} 22... Bxd5 $1 $14 23. Rxd5 Ngf7) 23. e3 (23. Kh1 $16) 23... f4 $2 {[%mdl 8192]} (23... Bxd5 $1 $11 {and Black is okay.} 24. Rxd5 Qxe3+ 25. Kh1 Ne6) 24. b4 $18 (24. gxf4 Rxf4 25. Bxe5 (25. Nxf4 Qxe3+ 26. Kh1 Qxf4 $16) 25... Rxe5 $18) 24... Qc6 25. exf4 (25. gxf4 $6 exf4 26. exf4 Ne6 $18) 25... exf4 26. Bc1 ({Don't do} 26. gxf4 Ne6 $18) (26. Nxf4 $18 {has better winning chances. Rd5 is the strong threat.} Ne6 27. Nd5) 26... Ne6 $16 27. Nxf4 Nf5 28. Qc3 $36 {[%mdl 2048] Keeping Black busy.} Nxf4 29. Bxf4 ({Worse is} 29. gxf4 Qg6 $15) 29... Nh4 30. Be5 Rxe5 $4 {[%mdl 8192]} (30... Nxf3+ $16 31. Rxf3 Rxf3) 31. Qxe5 $18 {White is clearly winning.} Nxg2 32. Qe7 {[%cal Re7f8] [#]} ({Weaker is} 32. Kxg2 Rg8 $18) 32... Rg8 33. Kxg2 Qxc4 {Black wants to play ...Qc2+.} 34. Rd7 Qa2+ 35. Rf2 Qxa3 (35... Qb3 $142 36. Qf7 Qxf7 37. Rxf7 c5 38. bxc5 bxc5 39. Rxa7 Rc8) 36. Rd8 {[#] Threatening mate with Rxg8+.} Qb3 37. Rxg8+ Qxg8 38. Qxc7 a5 (38... Bd5 $142 39. Qxa7 b5) 39. bxa5 bxa5 40. Rd2 Bd5 41. Qxa5 {Precision: White = 58%, Black = 23%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Poetsch, Hagen"]
[Black "Klein, Felix"]
[Result "1/2-1/2"]
[ECO "C52"]
[WhiteElo "2484"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,114,0,0,0,0,-8,0,0,-3,-2,-1,-26,-16,-16,-16,-26,-22,-35,-36,-32,-26,-47,-47,-31,-27,-52,-42,-64,-7,-26,0,0,0,-260,-70,-81,-75,-78,-78,-133,-138,-129,-142,-148,-142,-178,-161,-170,-157,-182,-183,-213,-213,-259,-125,-216,-104,-212,-208,-183,-108,-110,-43,-42,-42,-48,0,0,0,0,-5,-70,-59,-61,-64,-92,-88,-88,-91,-83,-43,-50,-7,-14,0,-13,-16,-10,0,-10,0,-18,6,-11,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. O-O Bb6 {C52: Evans Gambit Accepted: 5 c3 Ba5} 9. Nbd2 (9. Bb5 a6 10. Ba4 Ba7 11. Na3 Nge7 12. d5 b5 13. Nxb5 axb5 14. Bxb5 O-O 15. dxc6 Qg4 16. Qc2 {0-1 (48) Li,C (2751)-Ding,L (2766) Huaian 2016}) 9... Na5 10. Qc2 Ne7 11. dxe5 O-O {LiveBook: 3 Games} 12. exd6 cxd6 13. Bd3 $146 ({Predecessor:} 13. Be2 Qc7 14. c4 Ng6 15. Nb3 Nc6 16. Rd1 Bg4 17. Ba3 Rfd8 {1-0 (72) Mosadeghpour,M (2481)-Sahoo,U (2275) New Delhi 2016}) 13... Ng6 14. Nb3 Qc7 15. Nfd4 Bd7 16. Nb5 Bxb5 17. Bxb5 Rac8 18. Bd2 Nc4 19. Bxc4 Qxc4 20. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rfe8 21. Rfe1 d5 22. a5 Bc7 {[%cal Rd5e4]} 23. exd5 Qxd5 24. c4 Qd6 (24... Qc6 $15) 25. g3 $11 Nh4 (25... Ne5 $5 {[%cal Re5f3]} 26. Qe4 Qd7 $17) 26. Qc3 Qg6 $40 {[%mdl 128] White needs to defend precisely.} 27. f4 $2 {[%mdl 8192]} (27. Rxe8+ $1 $11 {and White stays safe.} Rxe8 28. Re1 Rxe1+ 29. Bxe1) 27... Qg4 $2 ({Black should play} 27... Red8 $1 $19 {[%cal Rd8d3]} 28. Qe3 Be5 $1 {[%mdl 512]} 29. fxe5 Rd3 30. Qxd3 Qxd3) 28. Nd4 Red8 29. Rf1 Bd6 {[%cal Bc7d6,Bd6e7,Be7f6][%mdl 32]} 30. Nb3 (30. Rae1 $142) 30... Be7 $17 31. Rae1 Bf6 32. Qe3 h5 33. c5 Qg6 $1 34. Qe4 {Strongly threatening f5.} Nf5 $1 35. Kh1 h4 36. gxh4 Bxh4 37. Re2 Qh5 (37... Qa6 $19 {has better winning chances. White must now prevent ...Re8!} 38. Bc3 Re8 $1 {[%mdl 512]}) 38. Rg2 (38. Qf3 $17 Qxf3+ 39. Rxf3) 38... Re8 (38... Bf6 $1 $19 39. Kg1 Qh7) 39. Qxb7 {[#]} (39. Qf3 $17 Qxf3 40. Rxf3) 39... Bf6 $1 $19 40. Qa6 {Threatens to win with Qxf6.} Qh6 ({Better is} 40... Nh4 $19 41. Qxf6 Nxg2) 41. Qd3 {[#]} Nh4 (41... Qh7 $1 $17 {...Rcd8 is the strong threat.} 42. Rf3 Red8) 42. f5 $1 $15 Qh5 43. Qh3 Re2 44. Qg4 $1 {[%cal Rg4h5]} Qxg4 45. Rxg4 Rb8 46. Be1 ({White should try} 46. Bb4 $11) 46... Nxf5 $1 47. Nc1 Re6 {Hoping for ...Ne3.} 48. Bd2 Rb2 49. Bg5 Bxg5 50. Rxg5 Ne3 51. Re1 Rc2 {aiming for ...Ng4!} 52. Nd3 {The position is equal.} Kf8 53. Re5 Rxe5 54. Nxe5 Nd5 55. Rd1 Ne3 56. Re1 Nd5 57. Rd1 Ne3 {Precision: White = 43%, Black = 53%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kevlishvili, Robby"]
[Black "Beeke, Bob"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2472"]
[BlackElo "2307"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,75,16,10,4,9,2,26,17,26,10,13,0,0,-16,-15,-20,-15,-35,0,-12,0,0,9,0,9,0,0,-10,41,32,37,45,54,38,139,123,193,208,194,199,198,195,464,479,564,538,872,170,166,160,137,137,158,134,122,51,185,172,1087,1024]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. a4 b4 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 8. Nbd2 d6 9. a5 O-O {LiveBook: 9 Games. The position is equal.} 10. Nc4 Be6 11. Be3 h6 12. h3 Rb8 13. O-O Nh7 $146 ({Predecessor:} 13... Qc8 14. Re1 Qb7 15. Qe2 {1-0 (62) Naiditsch,A (2702)-Panchanathan,M (2481) Douglas 2017}) 14. Nfd2 Bg5 15. Ba4 Ne7 16. Bxg5 Nxg5 17. Ne3 Ng6 18. Bb3 Nf4 19. Kh2 Qd7 20. h4 Nh7 21. g3 {[%cal Bg2g3,Bg3f4,Bf4f5][%mdl 32]} Bxb3 22. Nxb3 Ne6 (22... Qh3+ $11 23. Kg1 Nf6) 23. f4 $14 exf4 24. gxf4 Qd8 25. Kh3 Qf6 ({Better is} 25... c5 $14) 26. f5 $16 Nc5 (26... Nd8 $16 {keeps fighting.}) 27. Nd5 $1 $18 {[%cal Rd5f6]} Qd8 28. Nxc5 dxc5 {[#]} 29. f6 $1 {[%mdl 512]} Nxf6 $2 {[#]} (29... Qd7+ {might work better.} 30. Qg4 Qxg4+ 31. Kxg4 b3) (29... gxf6 30. Qd2) 30. Rxf6 $1 {[%mdl 512]} gxf6 31. Qh5 (31. Qg4+ Kh8 $15) 31... Qd7+ {[#]} 32. Kg2 $2 (32. Kh2 $1 {Threatening mate with Rg1+.} Qd6+ 33. Kh1) 32... Kg7 {Hoping for ...c6.} 33. Rf1 Rg8 34. Nxf6 $40 {[%mdl 128] Black is in trouble.} Qe6 35. Nxg8 Rxg8 36. Kh2 (36. Qxc5 $16 {Kf2 is the strong threat.} b3 37. Rf5 (37. Qxc7 Kh8+ 38. Kf2 Qf6+ 39. Ke1 Qxb2 $11)) 36... Qd6+ {[#]} ({Black should try} 36... c4 $14) 37. e5 $1 Qe6 $2 (37... Qd5 38. Rf2 c4) 38. Rf6 {Precision: White = 47%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Nasuta, Grzegorz"]
[Black "Kopylov, Daniel"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2459"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,107,24,25,26,28,28,11,20,22,24,25,40,15,85,29,65,29,32,28,29,21,33,29,58,58,58,58,273,281,268,270,216,108,128,118,125,127,125,125,125,122,115,101,117,99,119,98,98,89,103,103,103,104,105,113,93,112,29972,29973,29973,29974,29968,29969,29976,29977,29978,29979,29979,29980,29980,29980,29980,29981,29981,29982,29981,29981,29981,29982,29982,29983,29982,29982,29982,29983,29984,29985,29987,29987]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 e6 7. d4 cxd4 8. Nxd4 Nc6 9. O-O Be7 10. Be3 O-O 11. Rc1 {LiveBook: 14 Games. B52: Sicilian: Moscow Variation with 3...Bd7} (11. Qe2 Rfc8 12. b3 Bd8 13. Rac1 Ba5 14. Nxc6 Rxc6 15. Bg5 Ne8 16. Nb5 a6 17. Nd4 Rcc8 18. Rfd1 Qc7 19. Qg4 Bb4 {1-0 (30) Stevic,H (2597)-Kozul,Z (2602) Zadar 2015}) 11... Rac8 12. b3 a6 13. a4 {White has an edge.} Nxd4 $146 ({Predecessor:} 13... Qd8 14. f4 Qa5 15. f5 e5 16. Nxc6 bxc6 17. g4 h6 18. h4 Nh7 {0-1 (32) Pagerka,M (2243)-Jozefek,M (2202) Senica 2013}) 14. Bxd4 Qc6 15. f3 Rfd8 16. Kh1 h5 (16... Nd7 $11) 17. Be3 ({White should try} 17. f4 $16) 17... b6 18. Qd2 Nd7 19. Rfd1 Nc5 20. Rb1 Bf6 21. Bg5 {Strongly threatening Bxf6.} Bxc3 22. Qxc3 Rd7 23. Rbc1 d5 $2 ({Better is} 23... a5 $14) 24. cxd5 $18 exd5 25. b4 dxe4 {[#]} 26. bxc5 ({White must play} 26. Rxd7 $1 $18 Qxd7 27. a5 (27. bxc5 Rxc5 28. Qe3 Rxc1+ 29. Qxc1 exf3 $14)) 26... Rxd1+ $16 27. Rxd1 Qxa4 28. Ra1 Rxc5 {And now ...Qb5 would win.} 29. Rxa4 Rxc3 30. fxe4 {[%mdl 4096] Endgame KRB-KR} f6 31. Bf4 a5 32. Kg1 Rb3 33. e5 g5 34. Bd2 fxe5 35. Bxg5 Kf7 36. Kf2 Ke6 37. Be3 Kd5 38. Kf3 Rb4 $2 {[%mdl 8192] [#]} (38... Rb1 $16 39. g3 Rf1+ 40. Ke2 Rb1) 39. Rxb4 $1 {White mates.} axb4 {KB-KP} 40. Bc1 e4+ 41. Ke3 Kc4 42. Bb2 b5 43. h4 Kb3 44. Bd4 Kc2 45. g4 hxg4 46. Kxe4 {KB-K3P} g3 47. Kf3 Kd3 48. Bg7 g2 49. Kxg2 Ke4 50. Kg3 Kf5 51. Ba1 b3 52. Kf3 Kg6 53. Kg4 b4 54. h5+ {Precision: White = 66%, Black = 50%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.29"]
[Round "3"]
[White "Firat, Burak"]
[Black "Valkama, Eero"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2453"]
[BlackElo "2222"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Zatonskih, Anna"]
[Black "Lubbe, Melanie"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2446"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,103,0,33,29,37,30,52,35,57,56,45,46,51,31,47,32,21,19,14,10,16,9,14,17,42,31,105,94,117,113,118,112,115,111,114,116,95,4,4,0,20,36,32,31,27,33,45,15,27,24,34,17,39,34,72,67,74,72,144,135,163,161,167,150,127,97,198,60,66,32,73,19,331,324,429,396,106,0,0,0,0,0,0,8,8,2,9,0,0,0,0,8]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} Ng4 {LiveBook: 55 Games} (7... dxe5 8. Ba3 Re8 9. Qxd8 Rxd8 10. Nc3 Nc6 11. Rad1 Bf5 12. Nh4 Bd7 13. e3 a6 14. Nd5 Nxd5 15. Bxd5 Be8 16. Nf3 {½-½ (63) Sargissian,G (2672)-Onischuk,V (2637) Riadh 2017}) 8. Bg5 Qd7 9. Nc3 {White is slightly better.} Nc6 $146 ({Predecessor:} 9... h6 10. Bd2 Nxe5 11. Qc1 Nxf3+ 12. exf3 h5 13. Rb1 Nc6 14. Nd5 Nd4 {0-1 (80) Bennett,D (1969)-De Coverly,R (1969) Harrogate 2018}) 10. Nd5 h6 11. Bf6 dxe5 12. Bxg7 $1 Kxg7 13. Nd2 {[%cal Bf3d2,Bd2e4,Be4c5][%mdl 32]} Rd8 14. h3 $36 {[%mdl 2048] White has the initiative.} Nf6 15. Nxf6 Kxf6 16. Ne4+ Kg7 17. Qxd7 Rxd7 18. c3 Nd8 19. Nc5 Rd6 ({Better is} 19... Re7 $1 $14) 20. Rad1 $16 Rb8 21. Rxd6 $1 cxd6 22. Rd1 Bxh3 23. Rxd6 ({Don't play} 23. Bxh3 $6 dxc5 24. Rd5 e4 $11) 23... Bxg2 24. Kxg2 {[%mdl 4096] Endgame KRN-KRN} Rc8 25. Nd3 (25. Rd5 $1 $16) 25... Ne6 $1 $11 26. c4 Kf6 27. Rd7 Rc7 28. Rd5 e4 29. Nb4 Nc5 30. g4 a5 31. Nc2 a4 32. Nd4 Ne6 33. Nxe6 Kxe6 $14 {KR-KR} 34. Kg3 Rc6 {[#]} 35. Rb5 $1 Rc7 (35... Rd6 $142) 36. Kf4 $16 Rd7 37. Rb6+ Ke7 38. Kxe4 Rd2 39. Rxb7+ Kf6 (39... Ke6 $16) 40. Ke3 ({White should play} 40. bxa4 $18 Rxe2+ 41. Kd5) 40... Rxa2 $14 41. b4 Rb2 42. b5 (42. Kd3 $16) 42... a3 $2 {[%mdl 8192]} (42... h5 $1 $11) 43. Ra7 $18 a2 {[#]} 44. Kd4 $1 Ke6 $2 (44... h5 $18 45. gxh5 gxh5) 45. Kc5 (45. e4 $16) 45... h5 $1 $11 {[%cal Rh5h4] The position is equal.} 46. gxh5 gxh5 47. b6 {aiming for Kc6.} h4 48. b7 Rxb7 49. Rxa2 Kf5 50. Kd6 h3 {And now ...Rb1 would win.} 51. Ra1 Rb2 52. Rh1 {Precision: White = 62%, Black = 34%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Vogel, Roven"]
[Black "Kristensen, Kaare Hove"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2438"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,10,4,23,26,29,22,25,19,131,120,120,109,108,112,106,108,108,116,116,108,108,107,108,101,109,109,108,107,120,115,113,113,113,113,139,131,129,99,108,87,87,71,87,91,65,74,182,179,235,164,235,226,220,234,217,217,202,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. a3 d5 7. cxd5 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} exd5 8. Bf4 {LiveBook: 6 Games} (8. Bg5 Bc5 9. e3 Bxd4 10. exd4 O-O 11. Be2 h6 12. Bh4 Qd6 13. Bg3 Qe7 14. O-O Bf5 15. Re1 Qd7 16. Bf3 {½-½ (33) Navara,D (2737)-Anand,V (2783) Saint Louis 2017}) 8... a6 9. e3 {White has an edge.} Bc5 $146 ({Predecessor:} 9... Bd6 10. Bxd6 Qxd6 11. Be2 O-O 12. Bf3 Ne5 13. h3 Be6 14. O-O Rac8 {½-½ (22) Sebestyen,B (2242)-Nazarenus,O (2154) Budapest 2009}) 10. Nxc6 bxc6 11. Rc1 Bg4 (11... Bd6 $11) 12. Be2 $16 Be6 13. Nxd5 Nxd5 14. Rxc5 Nxf4 15. Qxd8+ Kxd8 16. exf4 Bd5 17. Bc4 Bxc4 18. Rxc4 {[%mdl 4096] Endgame KRR-KRR} Kc7 19. Ke2 Rhe8+ 20. Kf3 Rad8 21. Rc3 Rd2 22. Rhc1 Ree2 23. Rxc6+ Kd7 24. Rc7+ Kd6 {[#]} 25. Kg4 $1 (25. Rxf7 $6 Rxf2+ 26. Ke4 Ke6 $11) 25... Rxf2 26. g3 {Black must now prevent R1c6+.} Rxh2 27. R1c6+ Kd5 28. Rxa6 h5+ {[#]} 29. Kf5 $1 g6+ 30. Kf6 {b4 is the strong threat.} Rdg2 (30... Rxb2 $16 {was worth a try.} 31. Ra5+ (31. Kxf7 h4 $16) (31. Rxf7 Rh3 $16) 31... Ke4) 31. Ra5+ $18 (31. Rxf7 Rxg3 32. Rd7+ Ke4 $16) 31... Kd4 (31... Kd6 {keeps fighting.} 32. Rc3 (32. Rxf7 Rxg3 33. Rg5 h4 $16) 32... h4) 32. Rg5 ({Don't do} 32. Kxf7 $6 Rxg3 33. Ra4+ Kd5 $16) 32... Rh3 (32... Rxb2 {is a better defense.} 33. Kxf7 (33. Rxf7 Rb6+ 34. Kg7 Ra6 $16) 33... h4) 33. Rxf7 Rhxg3 34. Kxg6 h4 35. Rh7 Rxb2 36. f5 $2 ({White has to play} 36. Rxh4 $18 Rb6+ 37. Kh5) 36... Ke5 $11 {The position is equal.} 37. Rxg3 hxg3 {KR-KR} 38. f6 g2 39. Re7+ Kd6 40. Re1 {Threatens to win with f7.} Rb3 (40... Rf2 {is interesting.} 41. Rd1+ Ke5 42. Re1+ Kd4 43. Rd1+ Ke5) 41. Rg1 (41. f7 {seems wilder.} Rg3+ 42. Kf6 Rf3+ 43. Kg7 Rg3+ 44. Kf6) 41... Rg3+ 42. Kf7 Kc5 43. Ke6 Kb5 44. Ke5 {And now Kf4 would win.} Ka4 45. Kf4 Rg6 46. Kf5 Rg3 47. Kf4 Rg6 48. Kf5 Rg3 49. Ke4 {White wants to mate with f7.} Rg6 50. Kf5 {Precision: White = 82%, Black = 72%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Bakalchuk, Johnatan"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2405"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,48,14,14,14,24,29,29,25,22,0,18,8,17,16,25,25,34,33,35,27,25,7,92,88,87,111,99,38,122]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6][%mdl 32]} 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Ba6 {C45: Scotch Game} 10. Qe4 (10. b3 O-O-O 11. Bb2 Re8 12. f4 f6 13. O-O-O fxe5 14. Qxe5 Qxe5 15. fxe5 Rxe5 16. Bd3 Re3 17. Rhf1 {0-1 (24) Nepomniachtchi,I (2751)-Karjakin,S (2783) chess.com INT 2017}) 10... f6 11. c5 Bxf1 {LiveBook: 3 Games. The position is equal.} 12. Kxf1 Qxc5 13. exf6+ Kf7 14. fxg7 Bxg7 15. Qf3+ Kg8 16. Be3 $146 ({Predecessor:} 16. h4 Rf8 17. Qe2 {½-½ (27) Averell (2443)-Souk (2431) playchess.com INT 2006}) 16... Qc4+ 17. Kg1 Re8 18. h4 $36 {[%cal Bh2h4,Bh4h5][%mdl 2080] White has some pressure.} Qf7 19. Qg3 d6 20. h5 h6 21. Rh4 Re5 (21... Kh7 $11 {remains equal.}) 22. Ne4 $16 {[#] Bd4 is the strong threat.} c5 23. Bd2 {Black must now prevent Bc3.} Nd5 24. a4 (24. Re1 $16) 24... c4 {Precision: White = 58%, Black = 29%.} (24... Kf8 $14) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Keymer, Vincent"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2403"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,56,6,8,0,9,6,12,2,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. O-O Be7 9. Qe2 O-O 10. Rd1 Qc7 11. dxc5 Bxc5 12. Bd2 b6 13. Bd3 Bb7 {The position is equal.} 14. Ne4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} Nxe4 15. Bxe4 Qe7 (15... f5 16. Bc2 Rae8 17. Bc3 h6 18. Bd3 a5 19. Bb5 Kh7 20. Rac1 Rd8 21. Qc4 Qe7 {1-0 (44) Lysyj,I (2595)-Timofeev,A (2664) Dagomys 2008}) 16. Rac1 Rfd8 $146 ({Predecessor:} 16... Rac8 17. Bc3 Rfd8 18. h3 h6 {½-½ (19) Ueksti,E (2338)-Sabaev,S (2463) ICCF email 2004}) 17. Bc3 Nb4 18. Bxb7 Qxb7 19. Bxb4 Bxb4 20. Ne5 Rxd1+ 21. Qxd1 Rc8 22. g3 Be7 23. Rxc8+ Qxc8 24. Qf3 Bf6 25. Nc6 {[#] Black must now prevent Qxf6!} Qd7 26. b4 h6 27. b5 axb5 28. axb5 Qd3 {Precision: White = 82%, Black = 89%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Lagunow, Alexander"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2399"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,4,10,2,8,-7,-6,-7,6,-10,-7,-8,0,0,0,0,8,6,0,7,29,19,102,0,0,0,0,0,18,9,9,0,0,0,0,0,9,-10,-15,-25,-21,-66,-64,-55,-55,-77,-66,-103,-94,-111,12,7,8,0,0,0,0,0,0,0,0,-612,0,-472,-453,-1187,-989,-789,-475,-1102,-938,-745,-555,-12837,-10941,-12837,-12838,-12843,-12843,-12845,-12844,-12845,-12846,-12846,-12847,-12847,-12847,-12848,-12848,-12849,-12849]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. Na3 a6 5. c4 e5 (5... b4 6. Nc2 e6 7. O-O Be7 8. d4 Be4 9. a3 bxa3 10. b3 O-O 11. Bxa3 d6 12. Ne3 c6 13. Qd2 Nbd7 14. Nd1 Qb6 15. Nc3 Qxb3 16. Ne5 dxe5 17. Bxe7 exd4 18. Nxe4 Nxe4 19. Bxe4 Rfe8 20. Bxc6 Ra7 21. Qxd4 {1-0 (21) Nakamura,H (2793)-Oparin,G (2604) Zuerich 2017}) 6. b3 {A05: Réti Opening: 1 Nf3 Nf6} Bc5 {LiveBook: 3 Games} 7. O-O O-O 8. Nc2 $146 {The position is equal.} ({Predecessor:} 8. cxb5 e4 9. Nh4 d5 10. d4 Bb6 11. bxa6 Bxa6 12. Nc2 Re8 13. a4 {1-0 (40) Zaragatski,I (2495)-Rezasade,A (2344) Germany 2018}) 8... d6 9. d3 Nbd7 10. Be3 bxc4 11. bxc4 Bxe3 12. Nxe3 Nc5 13. Qd2 Qd7 14. Rab1 Rab8 15. Rb2 e4 16. Nd4 {Black must now prevent Rfb1.} (16. Nh4 {keeps more tension.} Na4 17. Rb4 Ba8 18. d4 Rxb4 19. Qxb4 Nb6 20. Rb1) 16... exd3 (16... Ba8 $11 {keeps the balance.}) 17. exd3 (17. Rfb1 $1 $16) 17... Bxg2 $11 18. Rxb8 Rxb8 19. Kxg2 Ng4 {Threatening ...Ne5.} 20. Nxg4 Qxg4 21. Nf3 h6 22. Re1 Qf5 23. Re3 Ne6 24. Re1 (24. d4 {feels hotter.} c6 25. h3 Qg6 26. Re2 Re8 27. Kh2) 24... Qc5 25. Qc3 Qb4 26. Qxb4 Rxb4 {[%mdl 4096] Endgame KRN-KRN} 27. Re2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 28. Rc2 c5 29. Rc3 a4 30. Ra3 Nd4 ({Better is} 30... g5 $17 {And now ...g4 would win.} 31. h4 f5) 31. Nxd4 cxd4 {KR-KR} 32. g4 Kf8 33. Kf3 d5 $1 34. cxd5 Ke7 35. Ke4 Kd6 36. f4 $2 {[%mdl 8192] [#]} (36. h4 $11) 36... Kc5 $2 (36... f6 $1 $19 37. h3 g5) 37. Ke5 $2 {[%mdl 8192]} (37. h4 $11 {and White is okay.}) 37... f6+ $19 {Black is clearly winning.} 38. Kf5 (38. Ke4 $142 Kd6 39. f5) 38... Kxd5 39. Kg6 Kc5 40. h4 {[#]} (40. Kxg7 $142 Rb7+ 41. Kxf6) 40... Kb5 $1 41. Kxg7 Rb2 42. Kxh6 {aiming for g5.} Rf2 43. f5 Rf4 (43... Kb4 $2 44. Rxa4+ Kxa4 45. Kg6 $19) 44. Kg6 Rxg4+ 45. Kxf6 Rxh4 (45... Kb4 $2 46. h5 $19) 46. Ke5 Kb4 47. Rxa4+ Kxa4 48. f6 Kb4 49. f7 Rh8 50. Kf6 Ka3 {Precision: White = 36%, Black = 61%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kramer, Julian"]
[Black "Banusz, Tamas"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2394"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,71,0,0,0,18,12,22,14,3,0,0,0,0,0,0,0,0,0,0,-8,0,-8,-3,-9,-8,0,-28,-53,-47,-203,-212,-275,-287,-268,-265,-477,-479,-673,-672,-656,-632,-985,-954,-29998,-29999,-29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6][%mdl 32]} 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 g6 {C45: Scotch Game} 11. Bd3 (11. Bd2 Ba6 12. c5 Nc4 13. Bg5 Bxc5 14. O-O-O O-O 15. Qf4 d5 16. exd6 Bxd6 17. Rxd6 cxd6 18. Bf6 d5 19. b3 Rab8 20. Be2 c5 21. Rd1 Rfe8 22. Nxd5 {1-0 (22) Van Foreest,J (2629)-Tari,A (2599) Wijk aan Zee 2018}) 11... Bg7 12. f4 O-O 13. O-O d5 14. cxd5 cxd5 {LiveBook: 3 Games} 15. Qb4 f6 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Re8 16. Nb5 Bf8 17. Qa5 Bc5+ 18. Kh1 {0-1 (42) Van der Weide,K (2502)-Kantorik,M (2359) Triesen 2007}) 16. Nb5 Rf7 17. f5 gxf5 18. Bxf5 Qxe5 19. Bxc8 Rxc8 20. Nxa7 Ra8 21. Nc6 Qe4 22. Qxe4 dxe4 23. Rf5 Nc4 $36 {[%mdl 2048] Black is pushing.} 24. a4 Rd7 {next ...e3 is good for Black.} 25. Bf4 Nxb2 26. a5 Nd3 27. Bg3 Kf7 28. a6 $2 {[#]} (28. Ra4 $15) 28... Ke6 $1 $19 {[%cal Re6f5]} 29. Rb5 {[#] Threatens to win with a7.} f5 $1 30. Ra4 Rd5 31. Rb1 $2 (31. Rxd5 Kxd5 32. Ne7+ Ke6 33. Nc6) 31... Rc5 32. Nb4 (32. Nd4+ $142 Bxd4+ 33. Rxd4) 32... Rb5 33. Bxc7 Bf8 34. Ba5 {[#]} Rxa6 $1 {[%mdl 512]} 35. Nxa6 Rxb1+ 36. Be1 Rxe1# {Precision: White = 34%, Black = 85%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Pfreundt, Jakob"]
[Black "Bindrich, Falko"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2394"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,20,0,-3,1,4,-12,-6,-17,0,-5,-8,-8,-6,-13,-7,-10,20,-56,-46,-51,-43,-45,-41,-52,10,-35,9,10,20,23,60,0,8,0,0,0,0,0,0,-8,3,14,10,9,40,30,33,-4,-3,-7,0,-16,-23,-204,-91,-83,-25,-20,0,-96,-70,-68,-64,-800,-800]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 e6 (3... c6 4. O-O Nd7 5. h3 Bh5 6. d4 e6 7. c4 Be7 8. Nc3 dxc4 9. b3 cxb3 10. Qxb3 Qb6 11. Qa4 Ngf6 12. Rb1 Qc7 {0-1 (39) Matlakov,M (2718)-Giri,A (2752) Wijk aan Zee 2018}) 4. O-O Nf6 5. h3 Bh5 6. c4 {A07: Réti Opening: New York and Capablanca Systems} c6 7. d3 Bd6 8. cxd5 {LiveBook: 3 Games. The position is equal.} cxd5 9. Qb3 Qd7 $146 ({Predecessor:} 9... Qe7 10. e4 Bxf3 11. Bxf3 dxe4 12. dxe4 Nc6 13. Be3 O-O 14. Nd2 Bc5 15. Bxc5 Qxc5 16. Rac1 Qe7 17. Qe3 e5 {½-½ (17) Vaulin,A (2515)-Fominyh,A (2505) Alushta 1993}) 10. Bg5 Nc6 11. Nbd2 Be7 12. Bf4 O-O 13. g4 Bg6 14. Ne5 Nxe5 15. Bxe5 h5 16. Bf3 ({White should play} 16. g5 $11 Nh7 17. f4) 16... hxg4 $15 17. hxg4 Bd6 18. d4 {[%cal Bd3d4,Bd4e5][%mdl 32]} Rfc8 19. Rac1 Ne8 (19... Be7 $15) 20. Kg2 Rc7 21. e4 Bxe5 22. dxe5 d4 23. Qd3 (23. Rce1 $1 $14) 23... Rac8 $11 24. Rxc7 Qxc7 25. Qxd4 Rd8 26. Qe3 Qxe5 27. Nc4 Qc7 28. Rc1 b5 29. Na3 Qe5 30. Rc5 Qxb2 31. Rxb5 Qxa2 32. Qxa7 f6 {aiming for ...Rd3.} 33. Rb7 Rd3 $36 {[%mdl 2048] Black has the initiative.} 34. Nb5 $2 {[#]} (34. Nb1 $11 Qc4 35. Qb8) 34... Qd2 (34... Qc4 $1 $19 {is more deadly.} 35. Qb8 {[#]} Rxf3 $1 {[%mdl 512]} 36. Kxf3 Qxe4+ 37. Kg3 e5) 35. Qb8 $17 Rd8 (35... Rb3 $17 {And now ...Qd3 would win.} 36. Nd6 Rxf3 37. Kxf3 Qxd6 38. Qxd6 Nxd6 39. Rb8+ Kf7) 36. Qa7 $11 Rd3 (36... Qf4 $11 37. Qe3 Qxe3 38. fxe3 e5) 37. Qb8 $1 $17 {[#]} Rxf3 $1 {[%mdl 512]} 38. Kxf3 e5 {Threatens to win with ...Kh7.} 39. Qa7 $2 {[%mdl 8192]} (39. Rc7 $15) 39... Qd3+ {Precision: White = 38%, Black = 44%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Schmidek, Emil"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2389"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,28,47,43,31,23,55,23,25,25,20,12,12,14,27,-12,-6,-56,-57,-161,-170,-165,-158,-163,-143,-139,-129,-303,-300,-297,-306,-302,-294,-627,-214,-214,-198,-191,-188,-186,-200,-220,-193,-268,-273,-281,-266,-322,-319,-410,-390,-1233,-430,-428,-427,-419,-426,-419,-426,-419,-412,-372,-375,-515,-510,-497,-513,-507,-512,-517,-515,-507,-489,-1481,-1577,-1279,-1273]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. c4 Nf6 6. Nxe5 {B04: Alekhine's Defence: 4 Nf3} Nbd7 {LiveBook: 4 Games} 7. Bf4 $146 ({Predecessor:} 7. Nf3 e6 8. Be2 Be7 9. O-O O-O 10. Nc3 c5 11. Qc2 b6 12. Bf4 cxd4 13. Nxd4 Bb7 14. Bg3 a6 15. a3 Nc5 16. Rfd1 Qc8 17. Bf3 Bxf3 18. Nxf3 Qb7 {½-½ (43) Abasov,N (2577)-Markus,R (2672) Kocaeli 2017}) 7... Nxe5 8. Bxe5 {White is slightly better.} Nd7 9. Bf4 e5 10. dxe5 Bb4+ 11. Nc3 Bxc3+ 12. bxc3 {White wants to play Qg4.} Qe7 13. Qe2 (13. Be2 {feels hotter.} Nxe5 14. O-O O-O 15. Bg3 Rd8 16. Qc2) 13... O-O $1 14. g3 g5 15. Be3 ({Better is} 15. Bc1 $15) 15... Nxe5 $19 {Threatens to win with ...Bg4.} 16. Bg2 Bg4 17. f3 Rfe8 18. fxg4 {[#] And now 0-0 would win.} Nxc4 $1 19. Qxc4 $2 (19. O-O $17 Qxe3+ 20. Qxe3 Nxe3 21. Bxb7) 19... Qxe3+ 20. Kf1 {[#]} Rad8 $1 {[%cal Rd8d2]} 21. Bd5 {[#]} Re6 $1 {[%mdl 512] ( -> ...Rf6+)} 22. h4 $2 (22. Bxe6 {leads to mate.} Rd2 23. Bxf7+ Kf8 24. Qb4+ c5 25. Qxc5+ Qxc5 26. Bh5 Qf2#) (22. Qd4 Rxd5 23. Qxe3 Rxe3 24. Rg1) 22... Rf6+ $2 (22... c6 23. Qd4 (23. Bxe6 Rd2 24. Bxf7+ Kf8 25. Rh2 Rxh2 26. Qb4+ c5 27. Qxc5+ Qxc5 28. hxg5 Qf2#) 23... Qxg3) 23. Kg2 {Strongly threatening Rad1.} Qd2+ $40 {[%mdl 128] White is in trouble.} 24. Kh3 Qxd5 25. Qxd5 Rxd5 {[%mdl 4096] Endgame KRR-KRR} 26. Rad1 Rc5 27. Rhe1 (27. Rd3 $142) 27... gxh4 ({Much less strong is} 27... Rxc3 28. hxg5 Re6 29. Rxe6 $17) 28. Re8+ Kg7 29. Rdd8 hxg3 30. Kxg3 Rxc3+ 31. Kh4 $2 (31. Kg2 Rc2+ 32. Kg3) 31... Rh6+ (31... Rf1 $142 32. Rd4 h6) 32. Kg5 {[%csl Gd8][%cal Re8g8]} Rg6+ 33. Kf5 Rc5+ 34. Kf4 Rc4+ 35. Kf5 Rcxg4 {[%csl Gg4][%cal Rg6g5]} 36. Rg8+ Kh6 37. Rgf8 R6g5+ {Black is clearly winning.} 38. Kf6 Rf4+ 39. Ke7 Re5+ 40. Kd7 Rd4+ 41. Kxc7 Re7+ 42. Kb8 (42. Kc8 $142 Rg4 43. Rd6+ Kg7 44. Rdd8) 42... Rxd8+ 43. Rxd8 b6 {Precision: White = 22%, Black = 81%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Winterberg, Lukas"]
[Black "Lagarde, Maxime"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2388"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,62,35,25,54,0,0,0,0,-14,4,-35,-31,-126,-134,-129,-138,-150,-137,-253,-205,-176,-72,-89,-68,-73,-73,-74,-59,-73,-75,-70,-77,-83,-21,-55,-40,-137,-134,-181,-174,-190,-178,-404,-389,-475,-434,-29990,-29991,-29994,-29995,-29996,-29988]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nbd2 d6 7. Re1 {LiveBook: 80 Games} Nh5 {A81: Dutch Defence: 2 g3} (7... Ne4 8. c3 d5 9. Ne5 c6 10. Nxe4 fxe4 11. f3 Qb6 12. Kh1 exf3 13. exf3 e6 14. Qc2 Nd7 15. Nxd7 Bxd7 {1-0 (42) Gumularz,S (2391)-Jakubiec,A (2500) Katowice 2017}) 8. c3 (8. h3 $14) 8... e5 $1 $11 9. dxe5 dxe5 {[%cal Bd6e5,Be5e4][%mdl 32] The position is equal.} 10. Nc4 $146 {Hoping for Qb3.} ({Predecessor:} 10. e4 f4 11. b4 Be6 12. Bb2 Nd7 13. Qc2 g5 14. Rad1 Bf6 15. Nb3 {0-1 (31) Weber,U (2389)-Wolf,U (2183) Hofheim 2016}) 10... e4 {And now ...Qxd1 would win.} 11. Nd4 Qe7 12. e3 ({White should play} 12. f3 $15) 12... c5 $1 $17 13. Ne2 Rd8 14. Qc2 Nc6 15. b4 (15. f3 $17) 15... Be6 16. Na5 {[%cal Bc4a5,Ba5b3,Bb3d4][%mdl 32] [#]} Ne5 (16... Nxb4 $1 $19 {[%mdl 512] is more deadly.} 17. cxb4 Bxa1 18. bxc5 Rac8) 17. bxc5 b6 18. cxb6 axb6 19. Nb3 Nf6 $36 {[%mdl 3072] Black has strong compensation. Black is more active.} 20. Nbd4 Bc4 21. a4 Qf7 22. Ba3 Bd3 (22... Nd3 $17 23. Reb1 Nd5) 23. Qd1 Nd5 24. Bb4 ({Better is} 24. Nf4 $15) 24... Bc4 25. Qd2 {[#]} Nf3+ $1 26. Bxf3 exf3 27. Nc1 $2 {[#]} (27. Nf4 Nxb4 28. cxb4) 27... f4 $1 $19 {[%mdl 512]} 28. gxf4 {[#]} (28. exf4 Nxb4) 28... g5 $1 {[%mdl 512]} 29. fxg5 (29. Nd3 $19 gxf4 30. Kh1 Bxd3 31. Qxd3 Nxb4 32. Qe4) 29... Qh5 {Black mates.} 30. Nce2 Bxe2 31. Nxe2 Qh3 {Precision: White = 29%, Black = 61%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kekelidze, Mikheil"]
[Black "Heimann, Andreas"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2383"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,150,18,18,18,20,20,13,24,27,27,16,0,9,10,51,59,53,51,49,0,0,0,0,0,8,8,12,12,12,12,35,35,35,35,36,12,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,-33,-33,-66,-64,-33,-33,-33,-33,-40,-40,-41,-48,-50,-84,-75,-85,-87,-169,-169,-160,-161,-162,-155,-162,-162,-155,-153,-183,-183,-183,-183,-183,-182,-202,-202,-202,-202,-202,-202,-202,-202,-202,-202,-202,-202,-320,-202,-202,0,-313,-202,-215,-202]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 b6 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} (10... a6 11. Bf4 b5 12. Ba2 b4 13. d5 bxc3 14. dxc6 cxb2 15. Rb1 Qb6 16. Qc2 Bxa3 17. Be5 Qc5 18. Qxc5 Bxc5 19. Bxb2 {1-0 (38) Aleksandrov,A (2589)-Rausis,I (2632) Katowice 2017}) 11. d5 Na5 12. Ba2 Nxd5 13. Nxd5 exd5 14. Qxd5 Be6 {LiveBook: 7 Games} 15. Qxd8 Raxd8 16. Bxe6 fxe6 17. Bg5 Bxg5 18. Nxg5 Rd2 $146 19. f3 Nb3 20. Rad1 Re8 21. Rxd2 Nxd2 $14 {[%mdl 4096] Endgame KRN-KRN} 22. Re2 Nc4 23. a4 h6 24. Ne4 ({But not} 24. Rxe6 Rxe6 25. Nxe6 Nxb2 $17) 24... Rd8 25. Rc2 Rd4 26. Kf2 Nd6 27. Nxd6 Rxd6 $11 {KR-KR} 28. Ke3 Rd7 29. b4 Kf7 30. h4 Kf6 31. Rc4 Rd1 32. b5 Ra1 33. h5 Ra3+ 34. Kf4 Ra2 35. g4 Ra3 36. Kg3 g6 37. Rf4+ Kg5 38. hxg6 (38. Rf7 {is more complex.} gxh5 39. Rg7+ Kf6 40. Rxa7 hxg4 41. Kxg4 h5+ 42. Kxh5 Rxf3 43. Kg4) 38... Kxg6 39. Kh4 e5 40. Rf5 e4 41. fxe4 Rxa4 42. e5 Rb4 43. Rf6+ Kg7 44. Kg3 Rxb5 {[#] ...a5 is the strong threat.} 45. Kf4 a5 46. Kf5 a4 {Threatens to win with ...a3.} 47. Rc6 a3 {White must now prevent ...a2.} 48. Rc7+ Kg8 (48... Kf8 $5 49. Kf6 $8 Rc5 $11) 49. Rc8+ Kf7 50. Rc7+ Ke8 51. Ke6 $1 {[%cal Rc7c8] [#]} Kd8 52. Ra7 $1 {[%cal Ra7a3]} Ra5 53. Rxa5 $1 bxa5 $15 {K3P-KPP} 54. Kf7 $1 a2 55. e6 a1=Q 56. e7+ Kc7 {( -> ...Qf1+)} 57. e8=Q $17 {KQ-KQ} Qd4 58. Qa8 (58. Qe2 $17) 58... Qf4+ 59. Kg6 Qxg4+ 60. Kxh6 Qf4+ 61. Kg6 Kb6 62. Qd8+ Qc7 63. Qd4+ Qc5 64. Qb2+ Qb5 65. Qd4+ Ka6 66. Qe4 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 67. Qa8+ Kb6 {Hoping for ...Qc6+.} 68. Qd8+ Kb7 {And now ...Qb6+ would win.} 69. Qd1 a3 70. Kh7 Qf5+ 71. Kh8 {intending Qb3+.} Qh3+ 72. Kg8 (72. Kg7 {was the only chance.} Qc3+ 73. Kh7) 72... Qg3+ 73. Kh7 Qh3+ (73... Qh4+ $142 74. Kg6 Qe4+ 75. Kf6 Qh4+ 76. Kf5 Qh7+ 77. Kf6 Qh6+ 78. Kf7 Qh7+ 79. Kf6 Qc7) 74. Kg8 $1 $19 Qg2+ 75. Kh8 Qb2+ {[%mdl 32768] Precision: White = 54%, Black = 73%. . Loss on Time!?} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Zeller, Frank"]
[Black "Mikhalevski, Victor"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2383"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,123,61,49,31,39,39,46,42,78,79,120,83,83,84,71,39,50,38,123,110,111,109,130,100,97,81,100,70,151,148,139,145,134,149,134,147,135,120,126,122,136,93,95,102,150,89,85,98,86,41,43,20,65,12,21,0,19,0,0,-22,-8,-8,-11,-98,-109,-88,-29,-59,-61,-60,-48,-45,-12,-13,-7,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,0,0,8,8,8,8,8,8,8,0,8,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 exd4 6. Nxd4 Bg7 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann} 7. Nxc6 bxc6 8. O-O Ne7 9. Nc3 O-O {LiveBook: 3 Games} 10. Bb3 $146 ({Predecessor:} 10. Bg5 h6 11. Be3 d6 12. Bd4 f6 13. f4 Kh8 14. f5 gxf5 15. exf5 Nxf5 16. Bxc6 {1-0 (58) Aryan,C (2483)-Ivanisevic,I (2656) Warsaw 2016}) 10... d6 11. Be3 Kh8 12. Qd2 Ng8 13. Rad1 f5 14. Bd4 Bxd4 15. Qxd4+ Qf6 16. Rfe1 {Hoping for e5.} Qxd4 17. Rxd4 Nf6 (17... Re8 $14) 18. e5 $16 Re8 {[#]} 19. f4 $1 $36 {[%mdl 2048] Keeping Black busy.} Bb7 20. Rb4 Ra7 21. Ba4 Re6 22. Re2 Nh5 (22... dxe5 $14 23. Bb3 (23. fxe5 Nd5 $16) (23. Rxe5 Rd6 $14) 23... Re7) 23. exd6 Rxe2 24. Nxe2 cxd6 25. Rb6 c5 26. Rxd6 Be4 27. c4 Re7 28. Bd1 ({Much worse is} 28. Rxa6 $6 Bb7 $11) 28... Bc2 {[#] aiming for ...Bxd1.} 29. Kf2 Bxd1 30. Rxd1 {[%mdl 4096] Endgame KRN-KRN} Re4 31. Rd8+ (31. b3 $142) 31... Kg7 32. Rd7+ Kh6 33. g3 Nf6 34. Ra7 (34. Rf7 {with more complications.} Ng4+ 35. Ke1 Rxc4 36. h3 Ne3 37. Rd7) 34... Ng4+ 35. Ke1 {Threatening h3.} Nxh2 36. Rxa6 Rxc4 37. Kd1 Ng4 38. Ra3 Nf2+ 39. Ke1 $1 {[%cal Re1f2]} Ne4 40. Kd1 (40. Nc3 $1 $11 {remains equal.}) 40... Rb4 $17 41. Kc2 Rb7 (41... Kh5 $17 42. Re3 Kg4) 42. Re3 Kh5 $1 43. a4 Ra7 44. Ra3 Ra5 45. Kd3 Nd6 46. Kc3 Kg4 ({Black should play} 46... Ra8 $15) 47. b4 $11 Ne4+ 48. Kc4 Nd2+ 49. Kc3 Nb1+ 50. Kb3 Nd2+ 51. Kc3 Ne4+ 52. Kc4 Nd6+ 53. Kb3 cxb4 54. Kxb4 Rd5 55. a5 Rd2 56. Nc3 {And now a6 would win.The position is equal.} Rb2+ 57. Kc5 Nb7+ 58. Kd4 {Strongly threatening a6.} Nxa5 59. Rxa5 Kxg3 60. Nd5 Rb7 61. Ra3+ Kg4 62. Ke5 {[%mdl 32768] Precision: White = 56%, Black = 52%. . Sensor Board Error (Ke4/e5)?} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Kerigan, Demre"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2367"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,118,0,0,0,0,0,9,-9,0,0,0,0,0,0,0,0,0,0,0,0,4,0,13,-20,-19,-15,-12,-47,-38,-61,-47,-43,-28,-49,-48,-48,0,-36,0,-44,-58,-52,-50,-49,-35,-55,-38,-64,-80,-90,-44,-47,-31,-35,0,0,0,0,0,-8,-8,-8,-7,-8,0,0,0,-4,-4,-98,-98,-100,-100,-100,-127,-389,-370,-1766,-1724,-1650,-1628,-1315,-558,-1447,-1287,-1098,-1065,-683,-519,-510,-502,-395,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c4 dxc4 14. Bxc4 Qxd1 15. Rfxd1 g5 16. Bg3 Ne4 17. a3 Bf8 18. Rac1 Nxg3 19. hxg3 Rb8 20. b4 Bf5 21. Bd3 Bxd3 22. Rxd3 {½-½ (36) Artemiev,V (2691)-Carlsen,M (2837) Riadh 2017}) 10... c6 11. Qf3 Re8 12. Bf4 Bd6 13. Rfe1 Be6 14. Rad1 Qb8 {LiveBook: 5 Games} 15. Bxd6 Qxd6 16. Ne2 Bd7 17. Qf4 Qxf4 18. Nxf4 Kf8 $146 19. c4 Rxe1+ 20. Rxe1 Rb8 21. b3 a5 22. cxd5 cxd5 23. Re5 Bc6 24. Bc2 h6 25. a3 Nd7 26. Re1 Nc5 27. Rb1 Ke7 28. f3 Kd6 29. Ne2 Ne6 30. Kf2 Bb5 31. Nc3 Bc6 32. Ne2 Bb5 33. Nc3 Nd4 34. Bd1 Ba6 35. b4 Bd3 36. Rb2 {Ke3 is the strong threat.} Bc4 37. Rd2 axb4 38. axb4 Nb5 (38... Ne6 {is more complex.} 39. b5 Nc7 40. Be2 Nxb5 41. Nxb5+ Bxb5 42. Bxb5 Rxb5 43. Ra2 f6) 39. Nxb5+ Rxb5 $15 {[%mdl 4096] Endgame KRB-KRB} 40. Rb2 d4 41. f4 g5 42. Rd2 d3 43. fxg5 hxg5 44. Be2 Rf5+ 45. Bf3 $1 Re5 46. g3 Re8 47. g4 Bb5 48. Bg2 (48. Ra2 $11 {keeps the balance.}) 48... Ke5 $1 $17 {[%cal Re5d4] aiming for ...Kd4.} 49. Ke3 {[#]} f5 $1 {[%cal Rf5f4]} 50. gxf5 Kxf5+ 51. Kd4 $2 {[%mdl 8192]} (51. Kf2 $17) 51... Re2 $19 52. Kc3 $2 (52. Bc6 Bxc6 53. Rxd3) 52... Kf4 53. Bd5 Ke3 54. Rd1 Rc2+ 55. Kb3 Kd4 56. Be6 Re2 57. Bf7 d2 58. Bh5 Rg2 59. Bg4 {[#]} Ke5 $2 {[%mdl 32768] Precision: White = 55%, Black = 75%. . Sensor Board Error (Ke4/e5)?} (59... Rxg4 $1 $19 {[%mdl 512]} 60. Rxd2+ (60. hxg4 $2 {too greedy.} Kd3 $19) 60... Ke3) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Hilverda, Alexander"]
[Black "Danin, Alexandre"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2364"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,36,28]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 e6 7. Nf3 Be7 8. h3 O-O 9. Bd3 Bd7 10. O-O {LiveBook: 88 Games} {Predecessor:} Nh5 $146 11. Bh2 f5 12. Rc1 Nf6 13. Ne5 Rc8 14. Qe2 Be8 15. a3 a6 16. Rc2 Nd7 17. Nxc6 Rxc6 18. Rfc1 {½-½ (48) Stern,R (2538)-Ragger,M (2698) Berlin 2015} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Sawlin, Leonid"]
[Black "Kollars, Dmitrij"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2359"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,149,38,44,26,26,19,33,26,37,14,20,0,0,0,29,16,31,28,36,25,25,25,30,0,0,0,8,0,0,0,12,10,38,37,37,30,55,55,55,55,47,0,16,0,3,7,7,0,0,0,0,0,0,0,0,0,27,4,15,18,14,13,11,16,13,23,97,97,97,96,84,83,121,7,62,62,58,32,105,69,68,68,72,45,49,8,49,47,49,48,52,28,28,12,16,16,45,0,0,0,0,0,0,0,0,0,0,1,2,0,24,26,65,65,65,65,69,69,69,69,69,70,71,72,72,71,72,72,72,72,72,72,72,0,72,0,72,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Be6 {LiveBook: 266 Games} 8. Na3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} (8. Nc3 Qd7 9. a5 a6 10. Nd5 Bxd5 11. Bxd5 Nxd5 12. exd5 Nd4 13. Nxd4 exd4 14. h3 Bf6 15. Qf3 Qb5 {0-1 (58) Harikrishna,P (2744)-Wang,H (2709) Huaian 2017}) 8... Qd7 9. c3 Rfe8 $146 ({Predecessor:} 9... Kh8 10. b4 Rae8 11. b5 Nd8 12. d4 Bg4 13. Qd3 Ne6 14. Nc2 Nf4 15. Bxf4 exf4 {1-0 (55) Tseshkovsky,V (2540)-Shchekachev,A (2500) Krasnodar 1996}) 10. Bxe6 {White is slightly better.} Qxe6 11. d4 exd4 12. cxd4 {[#] d5 is the strong threat.} d5 13. Nb5 {Hoping for exd5.} Bd8 14. Ng5 Qd7 {[%cal Rd5e4]} 15. e5 Ne4 16. Nxe4 dxe4 17. Be3 Be7 18. Qc2 a6 19. Nc3 Nxd4 20. Bxd4 Qxd4 21. Rxe4 Qc5 22. Qb3 Qb6 23. Qxb6 cxb6 24. Nd5 Rad8 25. Rd1 $1 Kf8 26. Kf1 Rd7 27. Ke2 Red8 28. Nc3 Bc5 29. Rxd7 Rxd7 $11 {[%mdl 4096] Endgame KRB-KRN} 30. b3 Ke7 31. Rc4 Ke6 32. f4 f6 33. exf6 gxf6 34. Ne4 Be7 35. g4 f5 36. gxf5+ Kxf5 37. Ng3+ Kg4 38. f5+ Kg5 39. Re4 Bc5 (39... Bd8 $11) 40. h4+ $16 Kf6 41. Re6+ Kf7 42. Ne4 Rd5 43. Ng5+ (43. Nxc5 $16 bxc5 44. Rb6) 43... Kf8 ({Black should try} 43... Kg8 $1 $11) 44. b4 $14 Bxb4 45. Rxb6 Re5+ ({Better is} 45... Bc3 $14) 46. Kd3 Ba5 47. Rxb7 Rxf5 48. Ne6+ Kg8 49. Rg7+ Kh8 50. Ra7 {[#] Ra8+ would kill now.} h6 51. Rxa6 {Threatens to win with Ke4.} Be1 52. Ke4 Rh5 53. Nf4 Rxh4 54. Kf5 Kg8 55. Nd5 {Black must now prevent Nf6+.} Rh5+ 56. Ke6 Rh2 $1 57. Nf4 Bd2 58. Ra8+ Kg7 59. Ra7+ Kg8 60. Nd5 {White threatens Nf6+ and mate.} Re2+ 61. Kd6 (61. Kf6 {is interesting.} Rf2+ 62. Kg6 Rg2+ 63. Kf5 Rf2+ 64. Ke4) 61... Kf8 (61... Bg5 {seems wilder.} 62. a5 h5 63. a6 Ra2 64. Ke6 Ra5) 62. a5 {And now a6 would win.} Bxa5 63. Rxa5 $11 {KRN-KR} Re1 64. Ra7 h5 65. Nf4 h4 66. Ng6+ Ke8 67. Nxh4 Rd1+ 68. Ke6 Re1+ 69. Kf6 Kd8 70. Ng6 Rb1 71. Ne7 Re1 72. Nc6+ Kc8 73. Ne7+ Kd8 74. Nc6+ Kc8 $1 75. Ne7+ {[%mdl 32768] Precision: White = 52%, Black = 66%. . Loss on Time!?} (75. Ne5 $16) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Hainke, Guntram"]
[Black "Lobron, Eric"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2338"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,72,29,0,25,25,39,43,33,41,33,37,35,40,40,44,32,0,0,0,0,0,0,8,0,0,-12,-26,-34,-127,-127,-164,-114,-395,-385,-970,-447,-443,-432,-582,-300,-320,-319,-298,-230,-352,-352,-442,-431,-512,-497,-1241,-1457,-1427,-1441,-1854,-1752,-1739,-1675]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Bd6 7. Ng3 c5 8. dxc5 Bxc5 9. b4 Bb6 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} 10. Bb2 Nc6 11. Be2 d4 {White is slightly better.} 12. exd4 Bxd4 13. O-O e5 14. Qc2 Be6 15. Rad1 Qe7 16. Nf5 Bxf5 $1 17. Qxf5 a5 $146 18. b5 Nd8 $1 19. Bf3 Ne6 20. Rfe1 Rad8 {White should prevent ...e4!} 21. Qc2 Qc7 22. Rc1 (22. Qb3 $15) 22... Qxc4 $17 23. a4 Nc5 {[#] White must now prevent ...Nd3.} 24. Ba3 $2 {[%mdl 8192]} (24. Red1 $17 {keeps fighting.}) 24... Nd3 $19 25. Be2 $2 (25. Rf1 Nxc1 26. Rxc1) 25... Nxe1 (25... Bxf2+ $142 26. Kh1 Bxe1) 26. Bxc4 Nxc2 27. Bxf8 Kxf8 ({Not} 27... Rxf8 28. Rxc2 g6 29. g3 $17) 28. Rxc2 Bxc3 29. Rxc3 {[%mdl 4096] Endgame KRB-KRN} Ne4 30. Rd3 (30. Rc1 $142) 30... Rd4 31. Rxd4 exd4 {KB-KN. Black is clearly winning.} 32. b6 Nc3 33. Ba6 (33. Kf1 $142 Nxa4 34. Ke2) 33... Nxa4 34. Bxb7 Nxb6 35. Kf1 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 36. Be4 a3 {Precision: White = 37%, Black = 73%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Freeke, Matthieu"]
[Black "Korpa, Bence"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2335"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,50,0,0,0,6,10,0,0,0,0,-70,-70,-67,-62,-68,-78,-108,-105,-105,-100,-97,-90,-106,-108,-279,-277,-269,-269,-2041,-88]} 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Ndb5 d5 7. Bf4 e5 8. cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. Nd6 Ke7 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (12... Bxd6 13. Rxd6 Ke7 14. Rd2 Nd5 15. Na4 Bf5 16. g3 Nb6 17. Nc3 Nc4 18. Rd4 Nxb2 19. Rxf4 Be6 20. Bg2 Rab8 {½-½ (30) Adhiban,B (2671)-Salem,A (2617) Abu Dhabi 2016}) 13. Nc4 Nd5 14. Ne5 Rb8 {The position is equal.} 15. Nxd7 Kxd7 16. Nxd5 $146 (16. g3 $11) ({Predecessor:} 16. g3 Bb4 17. Bg2 Ke6 18. gxf4 Nxf4 19. Bxc6 Rhd8 20. Rxd8 Rxd8 {½-½ (28) Markoja,B (2163)-Duda,J (2536) Maribor 2013}) 16... cxd5 $15 17. Rb1 Bb4+ 18. Kd1 Bc5 19. e3 fxe3 20. fxe3 Rhe8 21. Be2 Rxe3 (21... Bxe3 $2 22. b3 $19) 22. Re1 Kd6 $36 {[%mdl 2048] Strongly threatening ...Rbe8. Black is in control.} 23. b3 $2 {[#]} (23. Bh5 $17 {is a better defense.}) 23... Rbe8 $1 $19 24. b4 Bd4 {And now ...Bc3 would win.} 25. Ra1 $2 (25. Rc1) 25... Ke5 $2 {Precision: White = 33%, Black = 66%.} (25... Bxa1 $19 {is more deadly.} 26. Rf1 Rxe2) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Podat, Vladimir"]
[Black "Fedorovsky, Michael"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2324"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,42,31,20,47,48,45,18,25,15,32,5,18,18,31,12,18,22,43,37,71,68,75,76,133,125,123,127,121,121,124,109,166]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Be2 e6 6. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bd6 7. dxc5 {LiveBook: 8 Games} Bxf4 8. exf4 {White is slightly better.} Qa5 9. Nc3 $146 ({Predecessor:} 9. Nbd2 Qxc5 10. Nb3 Qb6 11. c3 O-O 12. Rb1 Bd7 13. Bd3 {½-½ (82) Grischuk,A (2761)-So,W (2812) Paris 2017}) 9... Qxc5 10. Nb5 {aiming for Nc7+.} O-O 11. a4 Bd7 12. c3 Rac8 13. Bd3 a6 14. Nbd4 Ne4 15. Qe2 f5 16. Nxc6 Bxc6 17. Nd4 Qd6 {[#]} (17... Bd7 $142) 18. f3 $1 $16 Nc5 {[#]White is better.} 19. Bc2 $1 Qd7 20. Rfe1 Rf6 21. a5 Bb5 {Precision: White = 51%, Black = 56%.} (21... Qd6 $16) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "De Boer, Eelke"]
[Black "Pavlovic, Milos"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2323"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,88,24,24,-15,-15,-5,39,29,25,-4,36,31,37,42,40,36,50,77,43,28,22,21,59,51,56,47,59,25,31,-3,227,265,255,257,231,132,185,40,44,0,0,13,15,-34,-18,-56,14,0,11,10,14,-43,-38,-184,-150,-139,-138,-346,-131,-270,-252,-270,-263,-263,-270,-268,-263,-270,-242]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 g6 6. O-O Bg7 7. Re1 O-O {C66: Ruy Lopez: Steinitz Defence} 8. h3 (8. Nbd2 a6 9. Ba4 b5 10. Bc2 Re8 11. a4 b4 12. a5 Rb8 13. Ba4 Bd7 14. c4 Ne7 15. c5 Bxa4 16. Qxa4 Rb5 17. cxd6 cxd6 18. Nc4 d5 19. Ncxe5 Nd7 20. Nxd7 Qxd7 21. exd5 {½-½ (21) Salem,A (2608)-Sasikiran,K (2639) Biel 2016}) 8... Nb8 9. d4 Nbd7 10. Nbd2 Re8 $146 ({Predecessor:} 10... Qe7 11. a4 Nh5 12. a5 a6 13. Bf1 Re8 14. Nc4 Nf8 {0-1 (32) Neuschmied,S (2179)-Bernardi,M (2055) Austria 2000}) 11. Bd3 b6 {LiveBook: 8 Games} 12. Nf1 Bb7 13. Ng3 c6 14. Bd2 Qc7 15. Qc1 Nf8 16. Bh6 Ne6 17. Bc2 Bh8 18. Qd2 Rad8 19. Rad1 Nd7 20. Bb3 d5 21. Qc1 Qb8 22. h4 exd4 23. cxd4 Nf6 24. e5 Ng4 25. Bg5 f6 $2 (25... Rc8 $1 $11) 26. exf6 $18 Bxf6 27. Bxf6 Nxf6 {[#]} 28. Ne5 (28. h5 $1 $18 {[%mdl 512]}) 28... Qd6 {[#]} (28... Nxd4 $2 29. Qg5 $18) (28... Ng7 $16) 29. Qc3 (29. h5 $1 $18 {[%mdl 512]}) 29... Ng7 $14 30. Qd3 (30. Qd2 {seems wilder.} c5 31. Qg5 cxd4 32. Rxd4 Re6 33. Rf4) 30... Re7 31. Ne4 Nxe4 32. Qxe4 Rde8 33. Qd3 Qf6 (33... Nf5 $15) 34. g3 $1 $11 c5 {Threatens to win with ...c4.} 35. Ba4 Rf8 36. Rf1 (36. f4 $11) 36... Qd6 $36 {[%mdl 2048] Black fights for an advantage.} 37. Ng4 (37. f4 $15) 37... Nf5 38. dxc5 bxc5 {And now ...Nd4 would win.} ({But not} 38... Qxc5 39. Bb3 $15) 39. Rde1 $2 (39. Rfe1 $17) 39... d4 $2 (39... Ba6 $19 {has better winning chances.} 40. Qc3 Bxf1 41. Rxf1 h5) 40. Bb3+ (40. Rxe7 $17 Qxe7 41. f4) 40... Kg7 $19 {Black has a decisive advantage.} 41. Rxe7+ Qxe7 ({Weaker is} 41... Nxe7 42. Qe2 $15) 42. Qd2 Qd6 {aiming for ...h5.} ({Don't do} 42... Qe4 43. f3 $17) 43. Re1 Qc6 {[%csl Gb7][%cal Rc6h1]} 44. Re7+ Kh8 {Precision: White = 32%, Black = 50%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Buckels, Valentin"]
[Black "Basso, Pier Luigi"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2318"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,84,20,20,8,24,20,20,10,20,0,0,0,13,0,7,-43,0,-80,-80,-80,-80,-80,-80,-97,-97,-97,-97,-106,-104,-116,-105,-118,-104,-104,-104,-137,-118,-170,0,-118,-104,-156,-135,-127,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-6,-8,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bg4 5. Nc3 e6 6. Qb3 Qb6 7. Nh4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Bh5 8. h3 Qxb3 (8... Be7 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 g5 12. O-O Nbd7 13. Rd1 Qc7 14. e4 Nxe4 15. Nxe4 dxe4 16. Bxe4 {1-0 (30) Carlsen,M (2855)-So,W (2770) Leuven 2016}) 9. axb3 Na6 10. c5 Nc7 {LiveBook: 3 Games} 11. b4 a6 12. g4 Bg6 13. g5 $146 ({Predecessor:} 13. f3 O-O-O 14. Bd2 Be7 15. Nxg6 hxg6 {0-1 (48) Perez Ponsa,F (2541)-Shankland,S (2624) Tromsoe 2014}) 13... Ne4 14. Nxe4 Bxe4 15. f3 $1 {[%cal Rf3e4]} Bf5 16. Nxf5 exf5 17. Bd3 g6 18. f4 (18. h4 $11 {keeps the balance.}) 18... h6 $17 19. gxh6 Rxh6 20. Bd2 Kd7 21. Rh2 Be7 22. Kf2 Rah8 23. Rah1 Ne8 24. Kg2 Bh4 25. Be1 Ke6 26. Bxh4 Rxh4 27. Kg3 Nf6 28. Bc2 (28. Rg1 $17) 28... Ne8 (28... Ne4+ $19 29. Bxe4 fxe4) 29. Bd3 $1 Kf6 30. b5 ({White should try} 30. Ra1) 30... axb5 31. Ra1 {[#]} Nc7 (31... Kg7 $1 $17 {Threatens to win with ...Nf6.} 32. Be2 Nf6) 32. Ra7 $11 {The position is equal.} Ne6 {aiming for ...g5.} 33. Rxb7 g5 34. fxg5+ Nxg5 {[%cal Rh4h3]} 35. Rb6 $1 {[%cal Rb6c6]} Rxh3+ 36. Rxh3 Rxh3+ {[%mdl 4096] Endgame KRB-KRN} 37. Kg2 $132 {[%mdl 2048] White is fighting back} Rxe3 38. Bxb5 $1 (38. Rxc6+ $2 Ne6 $17) 38... f4 39. Bxc6 Rg3+ 40. Kf1 Rf3+ 41. Kg2 Rg3+ 42. Kf1 Rf3+ {Precision: White = 56%, Black = 61%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Petkidis, Anthony"]
[Black "Milov, Leonid"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2314"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,117,50,55,89,80,104,111,110,100,97,103,105,67,63,66,59,60,68,14,78,86,108,96,96,55,102,114,104,106,152,136,158,150,164,150,141,123,129,85,105,103,106,105,106,91,112,109,203,207,267,272,267,274,274,275,274,265,268,267,275,266,276,274,262,260,266,266,266,197,895,888,914,864,699,673,1019,1066,975,879,1157,1156,1035,954,1110,1189,2077,1787,1468,1416,5638,5627,5293,5195,29969,29966,29976,29977]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. O-O Ne5 9. Nf3 d6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (9... Neg4 10. Bg5 h6 11. Bh4 Bd6 12. Bg3 Bxg3 13. hxg3 O-O 14. Qe2 d6 15. Rae1 b5 16. e5 dxe5 17. Nxe5 Nxe5 18. Qxe5 Qxe5 19. Rxe5 {0-1 (60) Iljiushenok,I (2519)-Rublevsky,S (2683) Sochi 2017}) 10. Na4 Nfd7 11. Nxe5 dxe5 12. c4 {LiveBook: 3 Games} Nc5 13. Bc2 $1 Nxa4 $146 ({Find the theoretical novelty and annotate with similar games:} 13... Bd7 14. Nc3 a5 15. Qg4 g6 16. Rfd1 Bg7 17. Qf3 {1-0 (28) Dembo,Y (2461)-Chulivska,V (2279) Cappelle-la-Grande 2006}) 14. Bxa4+ Bd7 15. Bb6 $1 {[%cal Rb6c7]} Bxa4 16. Qxa4+ Qd7 17. Qc2 Qc6 18. c5 Rc8 {Strongly threatening ...Qxb6!} 19. Rac1 Be7 20. Qd3 (20. Rfd1 $1 $14) 20... O-O (20... Bd8 $1 $11 {remains equal.} 21. Bxd8 Rxd8) 21. Rfd1 $1 $16 Bg5 22. Rc4 f5 23. Qd6 Qe8 24. b3 Bf6 25. Qd7 Rf7 26. Qxe8+ Rxe8 27. Rd6 Bg5 28. c6 bxc6 29. Rcxc6 fxe4 30. Bc5 a5 31. Rxe6 Rd8 {[%cal Rd8d1]} 32. Red6 Rxd6 33. Bxd6 {[%mdl 4096] Endgame Rc8+ would kill now. KRB-KRB} ({But not} 33. Rxd6 $6 Rc7 $11) 33... Rd7 {...Be7 is the strong threat.} 34. Kf1 Bd2 (34... h5 $16 {might work better.} 35. g3 (35. Bxe5 Rd1+ 36. Ke2 Rd2+ 37. Ke1 e3 $11) 35... Kf7) 35. Bxe5 $18 Bb4 {[#]} 36. Rc8+ $1 Kf7 {[#] ( -> ...Rd1+)} 37. Rc7 $1 {[%cal Rc7d7]} Rxc7 38. Bxc7 {KB-KB} Ke6 39. Ke2 Kd5 40. Bf4 Bc5 41. Bd2 Bb6 42. Be3 Bc7 43. h3 Bd6 44. Bd2 Bc7 45. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} h5 $2 (45... g6 46. Bc3 Bd8) 46. b4 axb4 47. Bxb4 Kc4 48. Bd2 Bd8 49. a5 Kb5 50. Bc3 g6 51. Ke3 Kc4 52. Bd2 Kd5 53. a6 Bb6+ 54. Ke2 Kc6 55. Be3 Bd8 56. Kd2 Bf6 57. Kc2 g5 58. g4 hxg4 59. hxg4 {Precision: White = 85%, Black = 32%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Murphy, Conor E"]
[Black "Lubbe, Nikolas"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2312"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,97,17,19,8,10,11,16,10,5,-2,45,39,34,44,49,31,43,23,23,17,12,14,13,14,17,2,13,0,0,-18,-14,-17,-21,-25,-11,-18,-12,-9,0,0,0,-37,-24,-22,-31,-21,-22,-27,-16,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-6,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 c5 10. Qe2 Rc8 11. d3 a6 {LiveBook: 8 Games. A14: English Opening: 1...e6 with b3 by White} 12. Ne1 Rc7 13. f4 d4 {[#]} 14. exd4 $146 ({Predecessor:} 14. Nd1 Bxg2 15. Nxg2 dxe3 16. Ndxe3 Re8 17. g4 Nb8 18. g5 Nfd7 19. Ng4 {½-½ (39) Marin,M (2533)-Mohota,N (2332) Banyoles 2007}) 14... cxd4 15. Ne4 Nc5 16. Nf2 Bxg2 17. Kxg2 Rd7 18. Rd1 a5 19. Nc2 Qa8+ 20. Qf3 Qxf3+ 21. Kxf3 Rfd8 22. Rfe1 Ne8 {[%cal Bf6e8,Be8c7,Bc7a6,Ba6b8,Bb8c6][%mdl 32]} 23. Ng4 f6 24. h3 Nc7 25. Kf2 N7a6 26. Ba3 $1 Kf7 27. Nh2 Nb8 28. Nf3 Nc6 29. Re2 h6 30. Bxc5 bxc5 31. Na3 Ra8 32. Nb5 a4 33. bxa4 Rxa4 34. a3 Na7 35. Ra2 Nxb5 36. cxb5 {The position is equal.} Rda7 37. Rb1 Rxa3 38. Rxa3 Rxa3 $11 {[%mdl 4096] Endgame KRB-KRN} 39. b6 Ra2+ 40. Ke1 {Black must now prevent b7.} Ra8 41. Nd2 Ke8 42. Nc4 Kd7 43. Kf2 Bd8 44. Kf3 Rb8 45. Ke4 Kc6 {[%cal Rd8b6]} 46. Na5+ Kd7 47. Nc4 Kc6 {[%cal Rd8b6]} 48. Na5+ Kd7 49. Nc4 {Precision: White = 68%, Black = 63%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Barath M"]
[Black "Grinberg, Eyal"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2309"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,0,0,0,0,37,25,31,29,34,-95,-74,-134,-135,-137,-154,-138,-133,-147,-160,-153,-121,-337,-332,-327,-336,-309,-133,-133,-140,-140,-140,-139,-131,-131,-139,-145,-150,-149,-151,-148,-145,-141,-137,-131,-148,-135,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. a3 Bxc3+ {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} 7. bxc3 e5 8. Bd3 {LiveBook: 104 Games} b6 (8... Nc6 9. Ne2 b6 10. O-O Ba6 11. f4 Na5 12. fxe5 Ne8 13. exd6 Nxd6 14. e5 Ndxc4 15. Bxh7+ {1-0 (26) Holt,C (2578)-Le,T (2485) chess.com INT 2018}) 9. Ne2 h6 10. O-O Re8 11. f4 Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 12. f5 $146 (12. h3 $14 {keeps the upper hand.}) ({Predecessor:} 12. fxe5 dxe5 13. d5 Na5 14. Ng3 {½-½ (25) Salzmann,S (2254)-Polyakov,D (1892) ICCF email 2012}) 12... Na5 13. Rf3 (13. Ng3 $142) 13... Ba6 $1 $17 14. Rg3 Kf8 $1 15. Rh3 Bxc4 16. Ng3 Bxd3 17. Qxd3 Nb3 18. Rxh6 $2 (18. Bxh6 $17 Nxa1 19. Bg5) 18... Nxa1 $19 ({Don't do} 18... gxh6 19. Bxh6+ Kg8 20. Rb1 $19) 19. Nh5 {[#]} Nxh5 $1 ({Weaker is} 19... gxh6 20. Bxh6+ Ke7 21. Nxf6 $17) 20. Rxh5 Ke7 (20... Nb3 $19 21. Bg5 f6) 21. Bg5+ $17 f6 22. Bxf6+ Kxf6 23. Qg3 {White threatens Qg6+ and mate.} Kf7 24. Qg6+ Kg8 25. Qh7+ Kf8 26. f6 Qxf6 27. Rf5 Ke7 ({Resist} 27... exd4 28. Rxf6+ gxf6 29. cxd4 $15) 28. Rxf6 Kxf6 29. Qf5+ Ke7 30. dxe5 {[#]} Nb3 (30... Rad8 $1 $17 {Hoping for ...dxe5.} 31. Qg5+ Kd7 32. exd6 Kxd6) 31. exd6+ $11 {The position is equal.} cxd6 {White must now prevent ...Nc5.} 32. Qg5+ Kf8 33. Qf5+ Ke7 {aiming for ...Nc5.} 34. Qg5+ {Precision: White = 52%, Black = 80%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "3"]
[White "Gschnitzer, Adrian"]
[Black "Perske, Thore"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2307"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,49,22,7,30,7,15,19,6,0,15,0,0,-41,-11,-2,47,-36,134,138,120,98,112,112,104,94]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. fxe5 dxe5 9. Bg5 Be6 10. Na3 {[%cal Bb1a3,Ba3c4,Bc4e3,Be3d5][%mdl 32] C50: Hungarian Defence and Giuoco Pianissimo} Qe7 11. c3 Bxc4 (11... Nc6 12. Kh1 h6 13. Bxf6 gxf6 14. Bb3 Rg8 15. Nc2 Rg6 16. Ne3 Rd8 17. Qe2 a6 {½-½ (54) Saric,I (2680)-Miton,K (2601) Doha 2014}) 12. Bxf6 gxf6 13. Nxc4 Ne6 14. b4 {LiveBook: 14 Games} Rg8 15. Ne3 {[#] And now Nd5 would win.} Qd6 $146 ({Predecessor:} 15... Nf4 16. g3 Qe6 17. Qf3 Nh3+ {0-1 (39) Debray,C (2337)-Sengupta,D (2543) Grosseto Prugna 2016}) 16. Qxd6 cxd6 17. Nd5 Rg6 18. Rxf6 Rc8 19. Kf2 Ng5 20. Ke3 $36 {[%mdl 2048] Black is under pressure.} Rc4 21. Kd3 (21. Rxg6 $1 $14 hxg6 22. Kd3) 21... Rc6 $2 {[#]} (21... Rxc3+ $1 $15 {keeps the upper hand.} 22. Nxc3 Rxf6) 22. Raf1 Rxf6 23. Nxf6+ {White is better.} Kf8 24. h4 Ne6 {[#]} 25. g3 $1 {Precision: White = 34%, Black = 43%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Bacrot, Etienne"]
[Black "Parvanyan, Ashot"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2718"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,49,41,54,41,16,20,22,22,22,22,33,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 b6 12. a4 Re8 13. Qd3 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} (13. Re1 Bf8 14. Nd2 c5 15. Ba3 Bg7 16. Bb2 Rf8 17. Nb5 Ne8 18. Bc3 f5 19. Ra3 Bh6 20. Bd3 Nf6 21. f3 fxe4 22. fxe4 Ng4 23. Nf1 g5 24. Ra2 Ng6 25. Ng3 Nf4 26. Bb1 Nxh2 27. Nxd6 g4 {½-½ (27) Aleksandrov,A (2565)-Fedorov,A (2576) Minsk 2017}) 13... Nf5 14. a5 bxa5 15. Rxa5 Rb8 16. Nb5 Nd4 17. Nfxd4 exd4 {LiveBook: 3 Games} 18. f3 ({Much weaker is} 18. Qxd4 Nxe4 19. Qd3 Bf5 $15) 18... Nh5 19. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Bh3 20. Re1 $146 ({Predecessor:} 20. Rb1 f5 21. Nxd4 fxe4 22. fxe4 Bxd4+ 23. Qxd4 c5 24. dxc6 Rxb4 25. Qd5+ Be6 {0-1 (25) Obukhov,A (2452)-Harutjunyan,G (2387) Alushta 2007}) 20... f5 21. Bf1 Bxf1 22. Kxf1 f4 {The position is equal.} 23. g4 Nf6 24. Ra7 {[#] aiming for Ba5.} Nd7 {Threatens to win with ...Ne5.} 25. Rxc7 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Wang, Hao"]
[Black "Hilverda, Alexander"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2713"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,95,27,30,41,48,59,37,69,74,66,61,71,73,73,64,68,45,32,20,14,6,27,21,56,49,44,6,38,43,44,33,103,80,103,107,86,83,99,92,218,226,275,277,246,207,558,580,578,595,579,550,817,764,787,699,856,848,943,997,822,1056,1024,1024,988,991,1800,1779,1173,829,4381,2285,5373,5357]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 {[%cal Bc2c3,Bc3c4,Bc4c5][%mdl 32]} O-O 9. h3 Nb8 10. d4 Nbd7 11. c4 c6 12. Qc2 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (12. a3 exd4 13. Nxd4 Ne5 14. cxb5 axb5 15. Bf4 Qb6 16. Nc3 Re8 17. Nc2 Nfd7 18. Nb4 Nc5 19. Ba2 Be6 20. Bxe6 fxe6 {1-0 (57) Smeets,J (2608)-Van den Doel,E (2589) Amstelveen 2017}) 12... Bb7 13. Nc3 {LiveBook: 15 Games} Qc7 14. a3 {White is slightly better.} Rac8 15. Ba2 $146 ({Predecessor:} 15. Be3 Qb8 16. Ba2 Bd8 17. dxe5 dxe5 18. c5 a5 19. b4 a4 {1-0 (27) Kubicka,A (2221)-Rogozenco,T (2024) Mamaia 2017}) 15... Nb6 16. c5 Nbd7 17. dxe5 Nxe5 18. Nxe5 dxe5 19. b4 a5 20. Qe2 Rcd8 21. Be3 Bc8 22. Rf1 Qd7 23. Qb2 Nh5 24. Rfd1 ({But not} 24. bxa5 Nf4 $11) 24... Qc7 25. Ne2 Bf6 26. Rd6 $36 {[%mdl 2048] White fights for an advantage.} Be7 27. Rxd8 Rxd8 ({Black should play} 27... Qxd8 $14 28. g4 (28. Qxe5 $2 Bf6 $19) 28... Nf6) 28. bxa5 $16 Nf4 29. Nxf4 exf4 30. Bd4 Bf8 {[#]} 31. Qc3 $1 f3 (31... Qa7 $16 {was necessary.}) 32. Be5 $18 ({Stronger than} 32. gxf3 Qf4 $11) 32... Qe7 {intending ...fxg2.} 33. Qxf3 Be6 34. Bd6 Qa7 $2 {[#]} (34... Qf6 35. Qxf6 gxf6 36. Bxe6 fxe6) 35. Bxe6 {White is clearly winning.} fxe6 36. e5 Bxd6 37. cxd6 {[%mdl 4096] Endgame KQR-KQR} Qd4 38. Re1 c5 39. Qb3 c4 40. Qxb5 Rf8 41. Qb6 Qd2 42. Rf1 c3 43. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} c2 44. Qc6 h6 45. a7 Qa5 46. Qxc2 Qxe5 47. Qd2 Qc5 48. d7 {Precision: White = 70%, Black = 35%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Korobov, Anton"]
[Black "Sawlin, Leonid"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2664"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,97,17,14,14,19,17,0,1,0,0,-6,8,0,14,8,13,14,3,0,29,0,0,0,10,-4,16,16,43,36,35,44,27,25,25,29,29,18,29,31,25,3,6,10,22,17,20,0,0,0,0,0,4,0,0,0,0,0,0,0,5,0,27,38,51,51,62,55,80,80,84,82,102,91,29953,29965,29964,29961,29972,29971,29974,29976,29976,29977,29992,29993]} 1. d4 e6 2. Nf3 Nf6 3. Bg5 d5 4. e3 c6 5. Bd3 Nbd7 6. O-O Be7 7. Nbd2 O-O 8. c3 {LiveBook: 3 Games} b6 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} 9. a4 $146 ({Predecessor:} 9. h3 Bb7 10. Rc1 Rc8 11. Qe2 c5 12. Bf4 Ne4 13. Rfd1 Ndf6 14. Ba6 Bxa6 15. Qxa6 Bd6 16. Nxe4 Nxe4 17. Bxd6 Qxd6 {½-½ (31) Wang,C (2514)-Zhao,Y (2313) China 2016}) 9... c5 10. Qb1 h6 {The position is equal.} 11. Bf4 Nh5 12. Be5 Nxe5 13. Nxe5 Nf6 (13... Bd6 {with more complications.} 14. f4 Nf6 15. Rf3 Bb7 16. Rh3 Rc8) 14. Nc6 Qc7 15. Nxe7+ Qxe7 16. Nf3 Nd7 17. Re1 Bb7 18. Bb5 Nf6 19. Bd3 Nd7 20. a5 e5 {And now ...e4 would win.} 21. e4 cxd4 22. a6 Bc6 23. cxd4 Rad8 24. exd5 Bxd5 25. Be4 Bxe4 26. Qxe4 Qb4 27. Nxe5 Nxe5 28. dxe5 Qxb2 29. Qb7 Qd4 30. Rac1 Rd7 31. Qc6 Rfd8 32. g3 Re7 33. e6 Rf8 34. Rcd1 Qb2 35. f4 fxe6 36. Rxe6 Qa3 37. Rde1 Ref7 38. Qc4 Kh7 39. Kg2 $36 {[%mdl 2048] White is more active.} Qa5 40. Qd3+ Qf5 {[#]} 41. Qxf5+ $1 Rxf5 $16 {[%mdl 4096] Endgame KRR-KRR} 42. Re7 R8f7 43. Rb7 {Strongly threatening Re8.} Rxb7 $4 {[%mdl 8192]} (43... b5 $16) 44. axb7 {KR-KR. White mates.} Rf8 {[#]} 45. f5 $1 {[%mdl 512]} h5 (45... Rxf5 46. b8=Q) 46. Re7 Kh6 47. Rc7 Rb8 48. h4 a5 49. Rc8 {Precision: White = 74%, Black = 50%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Fridman, Daniel"]
[Black "Kevlishvili, Robby"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2637"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,104,-7,-12,-4,-25,-17,-28,-24,-42,-4,-18,-28,-57,-35,-62,-53,-47,-45,-125,-58,-54,-69,-88,-51,-63,-74,-67,77,43,40,0,58,58,59,64,68,54,95,109,108,86,121,121,121,108,328,302,547,0,0,-31,0,-5,-8,-24,-10,-60,-67,-95,-65,-76,-50,-183,-181,-181,-227,-217,-127,-139,-17,-24,-35,-21,-16,-16,-16,-25,-16,-16,-10,-10,-13,-12,-14,-10,-12,-12,-8,-9,0,0,0,-14,0]} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. g3 (4. Bb5 e4 5. f3 a6 6. Bxc6 dxc6 7. fxe4 Nxe4 8. Nf3 Bd6 9. d3 Ng5 10. O-O Bg4 11. Nbd2 O-O 12. Qe1 Nxf3+ 13. Nxf3 {½-½ (79) Mamedyarov,S (2799)-Harikrishna,P (2744) Huaian 2017}) 4... d5 5. Bg2 Bg4 6. Ne2 {A01: Nimzowitsch-Larsen Opening} Qd7 7. h3 $1 {[%cal Rh3g4] LiveBook: 6 Games} Bf5 8. d3 h5 9. Nd2 O-O-O 10. a3 Kb8 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Bd6 11. b4 d4 {1-0 (30) Blatny,P (2449)-Netusil,M (2339) Czechia 2007}) 11. b4 a6 12. Nf3 Bd6 13. Nh4 Bh7 14. Nf3 Qe7 15. d4 (15. Ng5 $15) 15... exd4 ({Black should play} 15... Be4 $17 16. h4 exd4 17. Nexd4 Ne5) 16. Nexd4 $15 Nxd4 17. Nxd4 Be5 18. O-O Ne4 19. Rb1 (19. Qxh5 Nd2 $11) 19... f5 (19... h4 $15 {stays ahead.} 20. g4 c6) 20. a4 h4 21. gxh4 Rd6 ({Better is} 21... f4 $1 $11 22. exf4 Bxf4) 22. b5 $1 $14 Rg6 23. Nf3 $1 Bxb2 24. Rxb2 Nc3 25. Qd2 Nxa4 26. Rb4 axb5 27. Rxb5 Nb6 28. Ra1 Rf8 $2 (28... f4 $16 {is a better defense.}) 29. Qa5 $18 f4 $2 (29... Kc8 30. Rxd5 Nxd5 31. Qxd5 c6 32. Ra8+ Kc7 33. Qa5+ Kd7) 30. Qa7+ $2 (30. Rxd5 $18 {Threatening mate with Qa7+.} c6 31. Re5 (31. Qxb6 cxd5 32. Qa7+ Kc8 $16)) 30... Kc8 $11 31. Ra3 Rff6 32. exf4 Rxf4 ({Avoid the trap} 32... Qe2 $2 33. Rxb6 $1 {[%mdl 512]} cxb6 34. h5 $18) 33. Re3 Re4 $36 {[%mdl 2048] Black has some pressure.} ({Worse is} 33... Qd7 34. Rxb6 $1 {[%mdl 512]} cxb6 35. Ne5 $18) 34. Rbb3 {And now Ng5 would win.} Rge6 $1 {[%cal Re4e3]} 35. Rxe4 $1 Bxe4 (35... Rxe4 {NOTEXT} 36. Qa3 Qxa3 37. Rxa3 Ra4 38. Rc3 c6) 36. Ng5 $1 {[%cal Rg5e6]} Bxc2 37. Bxd5 (37. Nxe6 $15 Bxb3 38. Bf3) 37... Bxb3 $19 38. Qxb7+ Kd7 39. Bxb3 {[#]} Re1+ (39... Rf6 $1 $19 {Hoping for ...Qe1+.} 40. Qa6 Qe1+ 41. Qf1 Qxf1+ 42. Kxf1 Rf4 43. Be6+ Kd6) 40. Kg2 $17 Qf6 (40... Qe2 $17 41. Ba4+ Nxa4 42. Qd5+ Ke7 43. Qf7+ Kd6 44. Qf4+ Kc5 45. Qxa4 Qf1+ 46. Kg3 Qd3+ 47. Kg2 Rb1 48. Qa7+ Kd6 49. Nf7+ Ke6 50. Ng5+ Kd6 51. Nf7+ Ke6 52. Ng5+ Kd7 53. Qa4+ Qb5) 41. Bd5 $1 $11 Nxd5 42. Qxd5+ {[%mdl 4096] Endgame KQR-KQN} Qd6 43. Qf5+ Kc6 {...Qd5+ is the strong threat.} 44. Qc2+ $1 Kb7 {Threatens to win with ...Qc6+.} 45. Qb2+ $1 {The position is equal.} Kc8 {aiming for ...Qc6+.} 46. Qxg7 Qd5+ 47. Nf3 Re4 48. Qh8+ Kb7 49. Qb2+ Ka7 50. Qa3+ Kb8 51. Qb2+ Kc8 52. Qh8+ Kb7 {Precision: White = 59%, Black = 43%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Banusz, Tamas"]
[Black "Nasuta, Grzegorz"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2618"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,35,3,-14,-3,-17,0,-17,-8,-17,-13,-17,-9,-20,-15,-36,-8,-10,-13,-22,-19,-35,-29,-83,-62,-54,-49,-78]} 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 {LiveBook: 9 Games. A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Nf6 7. Nf3 a6 $146 ({Find the theoretical novelty and annotate with similar games:} 7... O-O 8. O-O d5 9. cxd5 Nxd5 10. Bd2 e6 11. Rc1 b6 12. a3 a5 13. Na4 Rb8 {½-½ (29) Rapport,R (2621)-Van Kampen,R (2581) Wijk aan Zee 2013}) 8. O-O {The position is equal.} Rb8 9. a4 O-O 10. h3 Bd7 11. Kh2 Ne8 12. Qd2 Qa5 13. Ra3 e6 14. Qd1 Qd8 15. Be3 Nd4 16. Bd2 (16. a5 $11 {remains equal.}) 16... b5 $17 17. axb5 axb5 18. cxb5 {Precision: White = 15%, Black = 74%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Bindrich, Falko"]
[Black "Xu, Xianliang"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2602"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,37,-87,-77,-110,-98,-100,-104,-104,-90,-84,-76,-127,-65,-71,-69,-54,-68,-119,-97,-152,-161,-159,-146,-135,-144,-170]} 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. d3 e5 5. Bg2 Nf6 6. O-O Bd6 7. b4 {A09: Réti Opening: 1 Nf3 d5 2 c4} Nxb4 {LiveBook: 4 Games} 8. Bg5 h6 $146 ({Predecessor:} 8... O-O 9. Nbd2 Nc6 10. Rb1 Be7 11. Qa4 Nd7 12. Bxe7 Qxe7 13. Rfc1 Re8 14. Ne1 Nc5 {0-1 (67) Kekelidze,M (2463)-Lenderman,A (2539) Arlington 2013}) 9. Bxf6 {Black is better.} Qxf6 10. Nbd2 Qe7 11. Ne4 O-O 12. Nfd2 (12. e3 $142) 12... f5 ({Black should play} 12... Rb8 $17 13. Nxd6 Qxd6) 13. Nxd6 $15 Qxd6 14. c5 Qxc5 15. Qb3+ (15. Rc1 $15 Qd6 16. Nc4) 15... Kh8 16. Rfc1 {[#]} (16. Rfe1 $142) 16... Qe7 $1 $17 {Black is clearly better.} 17. Rab1 c5 18. a3 {[#]} Na6 $1 19. Qb5 {Precision: White = 45%, Black = 72%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Bernadskiy, Vitaliy"]
[Black "Skawinski, Arkadiusz"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2588"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,45,0,0,-6,8,39,-4,-43,-30,-30,-5,-48,45,28,70,72,77,81,438,427,521,410,482,486,666,669,672,673,647,648]} 1. e4 e6 2. d4 d5 3. Nd2 h6 (3... c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. O-O Nc6 8. Nb3 a6 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bd3 Nf6 12. Re1 Bd6 13. h3 O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 4. c3 c5 5. Ngf3 Nf6 6. e5 {C03: French Tarrasch: Unusual Black 3rd moves} Nfd7 7. Bd3 Nc6 8. O-O g5 9. h3 h5 {LiveBook: 6 Games. next ...g4 is good for Black.} 10. c4 Rg8 11. cxd5 exd5 {...g4 is the strong threat.} 12. Nh2 $146 g4 (12... cxd4 13. e6 $14) 13. hxg4 hxg4 {Black wants to play ...Qh4.} 14. Nxg4 Nxd4 (14... Qh4 $1 $15 15. Nh2 (15. e6 $2 fxe6 16. Re1 Qxg4 $19) 15... Nxd4) 15. Nb3 $14 {Threatens to win with Nxd4.} Nxb3 16. axb3 Qh4 {[#]} 17. Bf5 $1 $36 {[%cal Rf5d7][%mdl 2048] Black must now prevent Bxd7+. Black is under strong pressure.} Be7 $2 {[%mdl 8192]} (17... Rh8 $16 {is more resistant.} 18. f3 Be7) 18. g3 $18 Qh8 19. Qxd5 Qh5 20. e6 {White is clearly winning.} Nf8 {[%cal Rf7e6]} 21. exf7+ Qxf7 22. Qxf7+ Kxf7 23. Nh6+ 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lagarde, Maxime"]
[Black "Nitin, S.."]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2587"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,18,8,28,29,41,21,19,31,35,22,9,0,0,0,0,-19,-16,-28,-16,-21,-10,-5,-24,-22,-16,-22,-5,-66,-23,-27,-22,-22,-20,-27,-21,-27,-14,-16,-13,-56,-33,-54,-1,-89,-47,-87,0,-47,-47,-51,-50,-79,-70,-84,-97,-93,0,-97,79,62,78,33,112,118,226,224,293,273,420,435,837,827,918,145,879,850,1213,1207]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 a5 6. a4 {A05: Réti Opening: 1 Nf3 Nf6} (6. O-O a4 7. c4 d6 8. d4 Nbd7 9. Nc3 Nb6 10. Qc2 d5 11. c5 a3 12. Bxa3 Rxa3 13. cxb6 cxb6 {0-1 (66) Carlsen,M (2838)-Jobava,B (2701) chess.com INT 2017}) 6... d6 7. d4 {LiveBook: 29 Games} e5 8. dxe5 {White has an edge.} Nfd7 9. Nc3 $146 ({Find the theoretical novelty and annotate with similar games:} 9. Na3 Nc6 10. Nc4 Ndxe5 11. Nfxe5 Nxe5 12. Nxe5 Bxe5 13. Bxe5 dxe5 14. Qc1 c6 {1-0 (47) Drozdowski,K (2508)-Lederer,Y (2350) Dallas 2016}) 9... dxe5 {[%cal Bd6e5,Be5e4][%mdl 32]} 10. Qd2 Na6 11. O-O Ndc5 12. Qe3 e4 13. Rad1 Qe8 $1 14. Nd4 f5 15. Ndb5 b6 16. Qc1 Bb7 17. f4 Qe7 18. e3 Nb4 19. Rf2 Rad8 20. Nd4 (20. Bf1 $11) 20... Rd7 21. Bf1 Rfd8 22. Bc4+ Kh8 23. Rfd2 h6 24. Ndb5 Kh7 25. Rxd7 Rxd7 26. Nd4 Ba6 27. Bb5 Rd6 ({Black should try} 27... Bxb5 $15 28. axb5 Bxd4 29. Rxd4 Rxd4 30. exd4 Ne6) 28. Nce2 (28. Bxa6 $11 Ncxa6 29. Ndb5) 28... Qd8 29. Rd2 {[#]} Qe7 (29... Nbd3 $1 $17 {[%mdl 512]} 30. cxd3 Bxb5 31. axb5 exd3) 30. Ba3 Bb7 {[%cal Ba6b7,Bb7d5,Bd5c4][%mdl 32]} 31. Bc4 Qd7 32. Qf1 Bd5 {And now ...Bxc4 would win.} 33. Nb5 Bxc4 34. Nxd6 cxd6 (34... Bxe2 $1 $17 35. Qxe2 cxd6) 35. Bxb4 (35. bxc4 $11 {keeps the balance.} Qxa4 36. Bxb4 Qxb4 37. Rxd6) 35... axb4 $2 (35... Bxe2 $1 $17 {keeps the pressure on.} 36. Qxe2 axb4) 36. bxc4 $16 Qxa4 37. Nd4 (37. Rxd6 Qxc2 38. g4 (38. Rxb6 Qd2 $17) 38... Nd3 $11) 37... Qa3 (37... Bxd4 $14 38. exd4 Ne6) 38. Qe2 Na4 (38... Bxd4 $16 {was necessary.} 39. Rxd4 (39. exd4 Na4 $11) 39... b3 40. cxb3 Nxb3) 39. Ne6 $18 Nc3 40. Qe1 Qa2 (40... b3 {might work better.} 41. cxb3 Bf6) 41. Rxd6 Qxc2 (41... Qxc4 $142 42. g4 Bf6 43. gxf5 (43. Rxb6 fxg4 44. Qd2 Nd5 $18) 43... gxf5 44. Nf8+ Kg7) 42. Rd7 b3 43. Rxg7+ Kh8 {[#] White should prevent ...Ne2+.} 44. Qa1 $1 {[%cal Ra1a8]} ({Wrong is} 44. Rxg6 $2 b2 $19) 44... Ne2+ 45. Kh1 {Precision: White = 59%, Black = 37%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Moussard, Jules"]
[Black "Obolentseva, Alexandra"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2576"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,5,8,11,28,30,26,29,35,27,56,27,43,37,66,54,66,62,88,95,92,96,111,83,82,89,90,67,109,74,203,151,329,321,318,318,320,327,318,324,370,369,406,403,404,406,406,406]} 1. Nf3 Nf6 2. b3 d5 3. Bb2 g6 4. c4 Bg7 5. e3 O-O 6. cxd5 {A06: Réti Opening:1 Nf3 d5} Qxd5 7. Bc4 Qd8 {LiveBook: 13 Games} 8. d4 {The position is equal.} (8. O-O c5 9. Be2 Nc6 10. Qc1 Qd6 11. Na3 b6 12. d4 cxd4 13. Nb5 {½-½ (31) Jobava,B (2687)-Yu,Y (2744) Tbilisi 2017}) 8... b6 9. O-O Bb7 10. Qe2 $146 ({Predecessor:} 10. Nbd2 Nbd7 11. Qe2 a6 12. a4 c6 13. e4 {1-0 (44) Williams,S (2512)-Arngrimsson,D (2353) Reykjavik 2011}) 10... Ne4 11. Rd1 a5 12. Na3 Na6 13. Rac1 Nb4 14. d5 $1 Bxb2 (14... Bxd5 $2 15. Bxg7 Kxg7 16. Bxd5 $18) 15. Qxb2 Nd6 16. Nb5 Nxc4 17. bxc4 ({Not} 17. Rxc4 Ba6 $17) 17... Na6 18. h4 Nc5 19. Qe5 Rc8 20. h5 Qd7 21. Rd4 Qf5 (21... Ba6 $16) 22. hxg6 $40 {[%mdl 128] White is out for blood.} Qxg6 $2 {[#]} (22... hxg6 $16 {keeps fighting.} 23. Qxe7 Rfe8) 23. Nh4 $18 ({Weaker is} 23. Nxc7 f6 $14) ({Less strong is} 23. Qxe7 f5 $18) 23... Qf6 24. Qxf6 exf6 25. Nf5 Kh8 26. f3 Ba6 27. Kf2 {White is winning.} Bxb5 28. cxb5 Rce8 29. Rh1 {[#] White wants to mate with Rdh4.} Re5 30. Rh5 {Precision: White = 69%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Heimann, Andreas"]
[Black "Zeller, Frank"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2574"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,67,23,58,56,49,41,72,83,73,87,84,99,115,92,122,109,289,287,300,300,303,248,445,425,556,469,539,474,450,344,337,306,538,534,653,649,736,736,714,718,703,706,747,740,733,746,732,701,763,757]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O d6 7. d4 cxd4 8. Qxd4 a6 9. Bg5 Nbd7 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 10. Qd2 Qc7 {LiveBook: 5 Games} (10... Rc8 11. b3 Be7 12. Rfd1 O-O 13. Bf4 Ne8 14. Rac1 h6 15. e4 Qc7 16. Qe2 Qb8 17. Be3 Nef6 18. Nd2 Rfe8 19. f4 Qa8 20. h3 Bf8 21. Bf2 Bc6 22. b4 {½-½ (32) Grischuk,A (2795)-Perunovic,M (2602) Tromsoe 2014}) 11. Rfd1 Rd8 {White is slightly better.} 12. Bf4 {[%cal Rf4d6]} Nc5 13. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nce4 14. Nxe4 Nxe4 15. Qc2 Nf6 $146 ({Predecessor:} 15... Be7 16. Nd4 Nf6 17. Qa4+ {1-0 (31) Andersen,M (2525)-Roe,S (2238) Helsingor 2016}) 16. Qa4+ Bc6 17. b5 Bb7 $2 {[#]} (17... axb5 $16 18. cxb5 Bb7) 18. bxa6+ $18 Bc6 19. Qb4 e5 20. Bg5 d5 $2 (20... Ra8 21. Bxf6 gxf6) 21. Qb2 Bc5 22. Qxe5+ Qe7 23. Bxf6 gxf6 24. Qxe7+ Kxe7 25. Nd4 Ba8 $2 {[#]} (25... Ba4 26. Nf5+ (26. cxd5 Bxd1 27. Rxd1 Ra8 $18) 26... Kd7) 26. cxd5 {White is clearly winning.} Bxd5 27. Nb5 Bxg2 28. Rxd8 Rxd8 29. Kxg2 {KRB-KRN} Ra8 30. a7 Kd7 31. Rd1+ Kc6 32. a4 Re8 33. e3 Ra8 34. Kf3 {Precision: White = 89%, Black = 31%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Santos Latasa, Jaime"]
[Black "Petkidis, Anthony"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2549"]
[BlackElo "2314"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,84,25,48,-21,-21,-21,-21,-24,-12,-20,-16,-21,-23,-10,-13,-27,0,-1,-8,-37,-38,-57,-42,-58,-53,-50,-57,-55,-47,-86,-87,-121,-59,-152,-131,-129,-135,-224,-207,-227,-226,-227,-227,-225,-208,-227,-195,-226,-118,-125,-20,-20,-20,-20,-20,-20,-20,-20,-20,-66,-66,-107,-107,-107,-107,-107,-107]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 Bd7 10. Nc4 O-O {LiveBook: 127 Games} 11. Bd2 {A34: Symmetrical English: 2 Nc3, lines with ...d5} ({White should play} 11. Bxc6 $14 Bxc6 12. Nxe5) (11. Bxc6 Bxc6 12. Nxe5 Be8 13. Qb3 b6 14. Be3 Kh8 15. Rfd1 f6 16. Nf3 Bf7 17. Qc2 Nd5 18. d4 Nxe3 19. fxe3 Qc8 20. Qe4 Re8 21. Qf4 {1-0 (69) Akopian,V (2691)-Ponkratov,P (2605) Khanty-Mansiysk 2013}) 11... b5 $11 12. Ne3 Rc8 $146 ({Predecessor:} 12... a5 13. Rc1 a4 14. Ne4 Ne6 15. Nd5 Ra6 16. Nec3 Na5 17. f4 exf4 18. Nxe7+ Qxe7 {1-0 (37) Etchechoury,G-Berthelsen,R (2210) Sweden 1999}) 13. a4 {The position is equal.} a6 14. Ncd5 Nxd5 15. Nxd5 Be6 16. axb5 axb5 17. e4 Bd6 18. Ra6 Nd4 19. Bc3 Ra8 $36 {[%mdl 2048] Black fights for an advantage.} 20. Qa1 Ne2+ 21. Kh1 Bxd5 22. exd5 Nxc3 23. bxc3 b4 24. cxb4 cxb4 {[%cal Bc5b4,Bb4b3][%mdl 32]} 25. Rc1 Qb8 ({Better is} 25... b3 $17 26. Rb1 Rxa6 27. Qxa6 Qc7) 26. Qa4 (26. Rxa8 $15 Qxa8 27. d4) 26... Rxa6 27. Qxa6 b3 {[#] aiming for ...b2.} 28. Bh3 (28. Rb1 $17) 28... Qb4 29. Kg2 b2 30. Rb1 Bc5 31. Qc4 {and if Qxb4 works, White does fine.} Rb8 32. Rxb2 Qxb2 33. Qxc5 $19 {[%mdl 4096] Endgame KQR-KQB} Qb6 (33... Qd4 $19 34. Qxd4 exd4) 34. Qe7 $17 Qf6 (34... Qd8 $17 35. Qxe5 Rb5) 35. Qxf6 $11 gxf6 {KR-KB} 36. d6 Rb4 {Hoping for ...Rd4.} 37. d7 Rd4 38. Bf5 Kg7 39. Kf3 h6 40. Ke3 Kf8 {Black is better.} 41. Ke2 Ke7 42. Ke3 Rb4 {Precision: White = 43%, Black = 67%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Danin, Alexandre"]
[Black "Reuker, Jari"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2540"]
[BlackElo "2343"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,67,31,22,88,79,78,68,61,75,85,40,136,131,192,193,190,187,179,179,271,230,271,277,649,649,1023,996,1621,1621,1583,1563,1475,1429,1310,1264]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. Bd4 c5 14. Be5 Rb6 15. Qd3 d6 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2} 16. Bc3 O-O 17. b3 Qc6 18. Bf3 {[#] LiveBook: 9 Games} Rc8 $146 (18... Nd7 $11 {keeps the balance.}) ({Predecessor:} 18... Nd7 19. Qe3 c4 20. Be2 Bf6 21. Bxf6 Nxf6 {½-½ (21) Kulaots,K (2568)-Neiksans,A (2612) Viljandi 2016}) 19. e5 Nd5 {With the idea ...c4.} 20. Ba5 Rb5 21. c4 Rxa5 22. cxd5 Qb5 (22... c4 $1 $14) 23. Qe3 $36 {[%mdl 2048] Hoping for exd6. Keeping Black busy.} exd5 (23... c4 $16) 24. Bxd5 $18 c4 25. bxc4 Qc5 26. e6 f5 (26... Qxe3 $142 27. exf7+ (27. fxe3 f6 $16) 27... Kf8 28. fxe3 Bg5) 27. Qe2 g6 28. Rab1 Ra4 $2 {[#]} (28... Qd4 29. Rb7 Qf6) 29. Rb7 {White is clearly winning.} Rc7 {intending ...Rxb7.} 30. Qb2 a5 31. Rb8+ Rc8 32. Qb7 ({Weaker is} 32. Rb7 Rb4 $16) 32... Rxb8 33. Qxb8+ Kg7 34. Qe8 {Precision: White = 95%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Kollars, Dmitrij"]
[Black "Rietze, Clemens"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2534"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,99,43,36,41,11,60,53,73,59,66,66,135,60,87,82,87,48,103,106,107,104,153,149,152,153,335,333,333,344,342,331,445,422,443,318,320,319,319,320,322,282,341,337,372,381,373,342,534,529,528,513,494,480,581,585,566,552,675,650,865,841,771,691,681,658,822,811,821,815,809,809,793,792,972,946,29972,29976,29975,29975,29970,29970,29986,29986]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} b5 (8... Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 13. exd5 exd5 14. Nb3 Nc4 15. Bd4 Ne4 {1-0 (57) Carlsen,M (2834)-Matlakov,M (2718) Wijk aan Zee 2018}) 9. e5 Ng4 10. Bg1 {LiveBook: 9 Games. White is slightly better.} Be7 $146 ({Predecessor:} 10... Nxd4 11. Bxd4 Bb7 12. O-O-O Rd8 13. h3 Nh6 14. Qf2 Qc6 15. Rd2 Nf5 {0-1 (68) Triapishko,O (2531)-Bocharov,D (2583) Taganrog 2018}) 11. Be2 {Nxc6 is the strong threat.} Nh6 12. Nxc6 dxc6 13. Ne4 O-O $1 14. Bc5 Rd8 {[#]} (14... Bxc5 $14 15. Nxc5 Qb6) 15. Qc3 ({Better is} 15. Nd6 $1 $16) 15... a5 16. Bxe7 Qxe7 17. O-O {[%cal Bh1f1,Bf1d1,Bd1d3][%mdl 32]} Qa7+ {[#]} ({Black should play} 17... Nf5 $14) 18. Qc5 $1 $16 Nf5 19. Rfd1 {[%cal Rd1d8]} Rd5 20. c4 bxc4 21. Bxc4 $40 {[%mdl 128] White attacks with force.} Ne3 $2 (21... Rxd1+ $16 22. Rxd1 Bd7) 22. Bxd5 $18 exd5 23. Qxa7 Rxa7 24. Rd3 Nc2 25. Rc1 Nb4 26. Rd2 Bd7 27. a3 dxe4 28. axb4 axb4 {[%mdl 4096] Endgame KRR-KRB} 29. Kf2 f5 30. Rc4 b3 31. Rd6 Kf7 32. Rb4 Be6 (32... h5 {was necessary.} 33. Ke3 Ke7 34. Rxb3 Be6) 33. Rxc6 Rd7 34. Rd6 Rc7 35. Ke3 Ke7 36. Rbb6 Bf7 37. Rbc6 Ra7 38. g4 fxg4 39. f5 Be8 40. Ra6 Rc7 41. Rdb6 Bf7 42. Kxe4 Rc4+ 43. Ke3 {Rb7+ would kill now.} Rc7 44. Kf4 Bd5 45. Kxg4 Kf7 46. Rd6 Be4 {[#]} 47. Rd7+ $3 {[%mdl 512] White mates.} Rxd7 48. e6+ Ke7 49. exd7 g6 50. Re6+ {Precision: White = 84%, Black = 23%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Burmakin, Vladimir"]
[Black "Podat, Vladimir"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2522"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,108,-10,-4,-10,-9,-5,-1,-9,-5,-7,-6,-13,-7,-5,-6,-8,-12,-8,-6,-12,-14,-14,-12,-18,0,-3,0,0,18,11,55,66,56,39,37,52,70,0,0,0,0,-14,-31,-65,-65,-60,0,0,0,0,5,5,5,5,5,5,7,0,0,0,0,0,0,0,0,0,0,0,11,11,11,11,11,11,11,11,11,0,0,0,11,11,11,0,11,0,0,0,0,0,0,0,3,0,0]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. O-O Bf5 7. e4 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (7. h3 Qc8 8. Kh2 Nf6 9. d3 O-O 10. e4 Bd7 11. Be3 a6 12. Rc1 Rb8 13. Nd5 Qd8 14. b3 e6 {0-1 (31) Svidler,P (2765)-Dubov,D (2683) St Petersburg 2017}) 7... Bg4 8. h3 Bxf3 {LiveBook: 5 Games} 9. Qxf3 e6 10. d3 Nd4 11. Qd1 Ne7 12. Rb1 $146 ({Predecessor:} 12. h4 O-O 13. Bg5 Rb8 14. Qd2 a6 {0-1 (63) Rathlev,J (2255)-Andersen,I (2119) Denmark 2014}) 12... O-O 13. a3 Rb8 14. b4 cxb4 15. axb4 b5 16. Be3 a6 17. Qd2 Qd7 18. Rfc1 Rfc8 19. Na2 Rc7 20. f4 Qc8 {[%cal Rb5c4]} 21. Qf2 e5 22. Bf1 a5 23. bxa5 {[#] Strongly threatening Bxd4.} bxc4 24. Rxb8 Qxb8 25. dxc4 Rc5 26. Nc3 (26. a6 $14) 26... Rxa5 $11 27. Rb1 Qa8 28. Bxd4 exd4 29. Nd5 Nxd5 30. cxd5 Ra2 {[#]} (30... Ra3 $15) 31. Rb8+ $1 {[%mdl 512] The position is equal.} Qxb8 32. Qxa2 h5 33. h4 Qb4 {And now ...d3! would win.} 34. Bd3 Qe1+ 35. Kg2 Qe3 36. Qc2 g5 37. hxg5 {Hoping for Qe2.} h4 $1 38. gxh4 Qxf4 39. Qf2 Qg4+ 40. Qg3 Qd1 41. Qf3 Qd2+ 42. Kh3 Be5 43. Bb5 Qc1 44. Kg4 Qc5 45. Be2 Qc8+ 46. Qf5 Qc2 47. Qf3 Qc8+ 48. Kh5 Kg7 49. Bb5 Qb8 50. Bf1 Qc8 51. Bd3 Qh8+ 52. Kg4 {Black should prevent Qf5.} Qc8+ 53. Qf5 Qc3 54. Qf1 Qc8+ {Precision: White = 58%, Black = 77%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Schlosser, Philipp"]
[Black "Buckels, Valentin"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2510"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,131,5,18,27,21,36,0,5,18,60,45,76,81,109,107,112,112,95,106,108,99,112,87,94,81,80,78,92,76,95,76,170,163,210,146,144,156,149,151,159,146,149,162,148,143,151,142,148,126,98,116,543,510,399,31,93,35,54,64,79,105,316,316,297,306,265,37,37,39,368,374,536,499,1498,1329,1925,1910,1907,1785,1800,1545,985,690,2058,1743,1785,1478,29962,29963,29964,29963,29965,29968,29970,29971,29977,29978,29978,29979,29979,29980,29980,29981,29979,29980,29984,29985,29985,29986,29986,29986,29987,29987,29987,29985,29984,29985]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. c4 Be7 7. cxd5 exd5 8. Nc3 O-O 9. b3 Re8 {E14: Queen's Indian: Classical Variation (4 e3)} 10. Bb2 a6 11. Rc1 Bd6 {The position is equal.} 12. Ne5 b5 $146 ({Predecessor:} 12... Nbd7 13. f4 c5 14. Qf3 Nf8 15. Ne2 Ne6 16. Qh3 Rc8 17. Bf5 {1-0 (25) Kovalenko,I (2684)-Meskovs,N (2489) Parnu 2016}) 13. Ne2 c5 14. Rxc5 Bxc5 15. dxc5 Qc7 16. Nf3 $1 {aiming for Bxf6.} Qxc5 17. Bxf6 $1 gxf6 18. Nfd4 {Strongly threatening Ng3.} Nd7 19. Ng3 {[%cal Be2g3,Bg3h5,Bh5f6][%mdl 1056] White has strong compensation.} Ne5 20. Bb1 Bc8 21. Qh5 Ng6 22. Qf3 Qd6 23. Nh5 Re5 (23... f5 $16 {was necessary.}) 24. Rc1 $1 $18 ({Resist} 24. Qxf6 $6 Qxf6 25. Nxf6+ Kh8 $16) 24... Rg5 25. Qxf6 Qxf6 26. Nxf6+ $40 {[%mdl 128] White attacks with force.} Kg7 27. Ne8+ Kf8 28. f4 $1 Rxg2+ 29. Kxg2 Kxe8 30. Kg3 Bd7 31. Rc5 Rc8 32. b4 Rxc5 33. bxc5 h5 $2 {[%mdl 8192]} (33... Ke7 $16 {is more resistant.}) 34. Bxg6 $1 fxg6 {[%mdl 4096] Endgame KB-KN} 35. a3 $2 (35. c6 $18) 35... Ke7 {[#]} (35... Kd8 $14) 36. Kf2 ({White should play} 36. Kh4 $1 $16) 36... Bh3 37. Ke2 Kd7 38. Kd3 Bf1+ $2 (38... Bg2 $16) 39. Kc3 a5 {[#]} 40. Nb3 $1 Kc6 41. Nxa5+ $2 ({White must play} 41. Kd4 $18) 41... Kxc5 $14 42. Nb3+ Kd6 $2 {[%mdl 8192]} (42... Kc6 $1 $14) 43. Nd4 $18 h4 (43... Ke7 $142 44. Kb4 Kd6 45. Nxb5+ Kc6) 44. Kb4 g5 (44... Bd3 $142 45. Nxb5+ Kc6) 45. fxg5 Ke5 46. Nf3+ Kf5 47. Nxh4+ Kxg5 48. Nf3+ Kf5 49. Kc5 Bc4 50. Kd4 Bb3 51. Nd2 Ba2 52. Kc5 {White mates.} Ke5 53. Kxb5 d4 54. Nf3+ Ke4 55. Nxd4 Kxe3 56. Kc5 Bb1 57. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Kf2 58. a5 Bd3 59. Nb5 Kg2 60. a6 Kxh2 61. a7 Be4 62. Nd6 Ba8 63. Kb6 Kg3 64. Kc7 Kf4 65. Kb8 Bh1 66. Nb7 {Precision: White = 68%, Black = 30%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Kanarek, Marcel"]
[Black "Murphy, Conor E"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2506"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,51,50,35,86,86,95,82,106,109,113,113,91,85,84,72,252,247,376,368,406,250,415,409,712,716,29993,29994,29994,29995]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 Be7 8. f4 d6 9. Qd2 Nxd4 10. Bxd4 e5 11. Be3 O-O 12. O-O-O a6 {B83: Sicilian Scheveningen: 6 Be2, lines without ...a6} 13. g4 {LiveBook: 24 Games} Bxg4 ({Black should play} 13... b5 $14) (13... b5 14. Nd5 Nxd5 15. exd5 Bb7 16. Kb1 exf4 17. Bxf4 Rfe8 18. g5 Bc8 19. h4 Bf5 20. Bd3 {½-½ (49) Svidler,P (2752)-Ivanisevic,I (2619) Warsaw 2013}) 14. Bxg4 $16 Nxg4 {White is better.} 15. Nd5 Qd8 16. Bb6 Qe8 17. Rhg1 {[%cal Bh1g1,Bg1g7,Bg7a7][%mdl 32]} Nf6 18. fxe5 ({Much weaker is} 18. Qg2 $6 g6 $11) 18... Nxd5 19. exd5 Kh8 $146 (19... g6 $16) ({Predecessor:} 19... Bd8 20. Bxd8 Qxd8 {1-0 (29) Socko,B (2623)-Lazarev,V (2368) Pattaya 2015}) 20. exd6 $40 {[%mdl 128] White goes for the king.} Bxd6 {[#]} (20... Bf6 $142 21. Bd4 Qd8) 21. Rxg7 $1 {[%mdl 512]} Qe4 {Threatens to win with ...Bf4.} ({Stronger than} 21... Kxg7 22. Qg5+ Kh8 23. Qf6+ Kg8 24. Rg1+ Bg3 25. Rxg3#) 22. Bd4 f6 $2 (22... Be5 {is a better defense.}) 23. Rdg1 {aiming for Rg8+.} Qf5 (23... Be5 $142) 24. Kb1 b5 25. Qh6 Be5 26. Ra7 {Precision: White = 93%, Black = 25%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lobron, Eric"]
[Black "Rapport, Richard"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2503"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,73,31,30,21,22,21,15,27,-10,-19,-12,-2,-22,-20,-33,-38,-34,-38,-59,-40,-52,-46,-60,-60,-56,-56,-97,-95,-76,-48,-72,-53,-76,-62,-73,-75,-83,-57,-83,-41,-105,-99,-124,-84,-104,-55,-197,-178,-309,-308,-313,-304,-362]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 Nf6 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Bg5 Be7 9. Bxf6 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Bxf6 10. Nc3 d6 11. Qc2 g6 (11... Qc8 12. Rad1 Nd7 13. a3 g6 14. e4 Bg7 15. Rfe1 c6 16. h4 Qc7 {0-1 (46) Bosiocic,M (2624)-Salgado Lopez,I (2644) Riadh 2017}) 12. Rad1 {LiveBook: 6 Games} Bg7 13. h4 $146 ({Predecessor:} 13. e4 Qe7 14. Rfe1 Nd7 15. b3 Rfd8 16. Re2 Rac8 {1-0 (58) Shaidullina,S (2331)-Yugina,M (2023) St Petersburg 2005}) 13... Nc6 14. a3 Rb8 15. Nb5 Ne7 16. Rfe1 Ba6 17. a4 Nc6 18. d5 Nb4 19. Qc1 e5 20. Na7 Qd7 21. b3 Bb7 22. e4 Ra8 23. Nb5 Bc8 24. h5 Qd8 25. hxg6 hxg6 26. Qg5 Bf6 27. Qd2 Kg7 28. Nh2 Rh8 29. f4 Na6 30. Rf1 Qg8 31. Rf2 (31. Nf3 $15 Bg4 32. Qe3) 31... Qh7 $17 32. Bf3 exf4 33. gxf4 Bh4 34. Rg2 (34. Re2 $1 $15) 34... Bh3 $1 $19 ({Inferior is} 34... Bf6 35. e5 $1 $14 {[%mdl 512]}) 35. Re2 {[#]} (35. Ng4 {was worth a try.} Bxg2 36. Qb2+ Kf8 37. Kxg2) 35... Bg3 $1 36. Nf1 Qh4 37. Bg2 {Precision: White = 40%, Black = 68%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Korpa, Bence"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2502"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,56,63,92,93,92,85,81,18,18,25,25,25,34,21,27,37,42,11,18,15,18,0,4,0,0,0,38,35,57,34,30,34,27,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 g6 2. g3 Bg7 3. d4 c5 4. c3 b6 5. dxc5 (5. Bg2 Bb7 6. O-O Nf6 7. dxc5 bxc5 8. Qb3 Bd5 9. c4 Bc6 10. Nc3 O-O 11. Nd5 Bxd5 12. cxd5 d6 13. Bd2 Ne4 14. Bc3 Nxc3 15. bxc3 {0-1 (45) Camacho Collados,J (2383)-Shchekachev,A (2531) Berlin 2015}) 5... bxc5 6. Qd5 {A40: Unusual replies to 1 d4} Nc6 7. Qxc5 Nf6 8. Bg2 Ba6 {LiveBook: 3 Games} 9. Nd4 Nxd4 10. Qxd4 O-O 11. Qd1 $146 (11. Qa4 $16 Qb6 12. Bxa8 Rxa8 13. Nd2) ({Predecessor:} 11. Bxa8 Qxa8 12. f3 e5 {0-1 (34) Zickus,S (2269)-Kanovsky,D (2409) Pardubice 2008}) 11... Rb8 12. O-O Bb7 13. Bxb7 Rxb7 14. Nd2 {[%cal Bb1d2,Bd2c4,Bc4e3][%mdl 32]} Qa5 15. e4 d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 16. Qf3 {[#] Black must now prevent e5!} Nd7 17. Re1 Rfb8 18. Nc4 Qa6 19. Qe2 Nc5 20. e5 d5 21. Ne3 Qc6 22. Nc2 e6 23. Nb4 $36 {[%mdl 2048] White has the initiative.} Qc8 24. Na6 Nxa6 {The position is equal.} 25. Qxa6 Qc7 26. Qe2 a5 27. a4 Rb3 28. Ra2 Qc6 {Precision: White = 54%, Black = 75%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Noe, Christopher"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2494"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,37,33,21,23,33,22,43,50,46,40,37,60,117,113,104,93,203,233,197,117,125,123,122,67,70,42,60,47,50,30,36,0,0,0,16,15,17,9,244,231,235,229,231,182,185,178,160,0,0,0,0,0,0,0,8,8,8,8,3]} 1. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Nf6 2. c4 g6 3. f3 c5 4. d5 Bg7 5. Nc3 d6 6. e4 O-O 7. Nge2 {[%cal Bg1e2,Be2g3,Bg3h1,Bh1f2][%mdl 32]} e6 8. Ng3 exd5 9. cxd5 h5 10. Be2 {A65: Modern Benoni: 6 e4} Nbd7 (10... a6 11. a4 Nh7 12. Be3 h4 13. Nf1 f5 14. exf5 gxf5 15. Nd2 Nd7 16. f4 h3 17. O-O hxg2 {1-0 (32) Wojtaszek,R (2744)-Erdos,V (2585) Novi Sad 2016}) 11. O-O Nh7 12. Be3 {LiveBook: 3 Games. White is slightly better.} Re8 13. Nh1 $146 ({Predecessor:} 13. Re1 a6 14. a4 Nhf6 15. Nf1 {1-0 (77) Gouw,C (2570)-Acevedo Villalba,A (2551) ICCF email 2007}) 13... f5 14. Nf2 g5 15. f4 g4 16. e5 dxe5 17. d6 Nhf8 (17... exf4 $14 18. Bxf4 Nb6) 18. Bc4+ $1 $16 Kh8 19. Bf7 ({Inferior is} 19. Qd5 Ne6 $15) 19... exf4 (19... Rb8 $16 {was called for.}) 20. Bxf4 $18 Ne6 21. Bxe8 (21. Re1 $18 Nf6 22. Bxe8 Nxf4 23. Qa4 Qxd6 24. Rad1) 21... Nxf4 $16 22. Re1 $1 {And now Nd5 would win.} Ne5 {[#]} 23. d7 ({White should play} 23. Rxe5 $1 $16 Bxe5 24. d7) 23... Bxd7 $14 24. Bxd7 Qxd7 25. Qxd7 Nxd7 26. Re7 Ne5 27. Rxb7 h4 28. Rd1 {Hoping for Nd5.} g3 29. hxg3 hxg3 30. Nh3 Nfd3 $2 {[#]} (30... Nxh3+ $11 31. gxh3 f4) 31. Ne2 $1 $18 c4 32. Nxg3 Rf8 33. Rf1 f4 34. Nh5 Bh6 35. N3xf4 $2 ({Resist} 35. Rxa7 $6 f3 $14) (35. Rc7 $16) 35... Nxf4 $11 {The position is equal.} 36. Nxf4 Bxf4 37. g3 Be3+ 38. Kg2 {[%cal Rf1f8]} Rxf1 39. Kxf1 Bb6 40. Ke2 Kg8 {Precision: White = 72%, Black = 45%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Bellahcene, Bilel"]
[Black "Barath M"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "2488"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,93,-22,0,-18,0,0,159,172,164,154,150,0,0,-6,0,0,0,0,0,0,0,0,5,2,9,9,10,0,1,20,177,164,147,71,66,74,77,65,66,54,51,62,621,612,606,563,545,363,417,393,595,587,576,570,561,518,654,481,552,513,544,547,1067,1020,1020,1024,29989,29990,29990,29991]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Nbd7 8. O-O-O Qc7 9. Qg3 Be7 10. Be2 {B95: Sicilian Najdorf: 6 Bg5 e6, unusual White 7th moves} (10. Bd3 b6 11. Rhe1 Bb7 12. f4 h6 13. Bh4 g5 14. fxg5 Nh5 15. Qe3 Qc5 16. Nf3 Qxe3+ 17. Rxe3 Nf4 {½-½ (47) Dvirnyy,D (2560)-Bogner,S (2593) Havana 2014}) 10... b5 11. Bxb5 axb5 12. Ndxb5 Qb8 13. Nxd6+ Bxd6 {LiveBook: 15 Games} 14. Rxd6 O-O {And now ...Nh5 would win.} 15. Rhd1 Nxe4 $146 ({Black should play} 15... Qb7 $11) ({Predecessor:} 15... Qb7 16. Rxd7 Nxd7 17. Rxd7 Qxd7 18. Bf6 g6 19. Qg5 Rd8 20. Nd5 Rxa2 21. Qh6 Ra1+ 22. Kd2 Qxd5+ 23. exd5 Rxd5+ 24. Kc3 {1-0 (23) Alvarez Calzadilla,J (2259)-Duarte Napoles,F (2274) Sancti Spiritus 2018}) 16. Nxe4 $16 Rxa2 17. b3 $1 Qb4 {[#]} 18. Nc3 $2 (18. Nf6+ $1 $16 {[%mdl 512]} Kh8 (18... gxf6 19. Bxf6+) 19. Nxd7 Bxd7 20. Rxd7 Ra1+ 21. Kb2 Qa3+ 22. Kc3 Qa5+ 23. b4 Rc8+ 24. Kd2 Qxb4+ 25. Ke2 Rxd1 26. Rxd1) 18... Ra1+ $1 $11 19. Nb1 $132 {[%mdl 2048] White is not keeping still} Qa3+ 20. Kd2 Qb4+ $1 21. Ke2 {[%cal Bd2e2,Be2f1,Bf1g1][%mdl 32]} (21. Nc3 Nc5 $17) 21... Qe4+ 22. Kf1 Qxc2 23. Qc3 Qa2 24. R6d2 Qa6+ 25. Kg1 h6 26. Be3 {Black must now prevent Bd4.} Nf6 {Threatens to win with ...Ne4.} 27. Bxh6 Ra5 $2 (27... e5 $11 28. Qg3 Ng4) 28. Rd6 Qb5 {[#]} 29. Rd8 (29. b4 $142 $1 {[%cal Rb4a5]} Ra8 30. Qg3) 29... Rxd8 $16 30. Rxd8+ Kh7 {...Ba6 is the strong threat.} 31. Bd2 (31. Qxc8 Kxh6 32. Qc2 g5 $14) 31... Ba6 $1 {[%csl Ga6][%cal Rb5f1]} 32. Qc2+ ({Don't play} 32. Qh3+ Nh5 $15) 32... g6 {[%csl Ga6][%cal Rb5f1]} 33. Qd1 $1 Ng4 $2 {[%mdl 8192]} (33... Ra2 $14) 34. Bc3 $18 {[%csl Gc3][%cal Rd8h8]} e5 35. Bxa5 Qxa5 36. Rd2 Qb4 37. Ra2 Qf4 (37... Bc8 {was worth a try.} 38. h3 Nf6) 38. g3 ({Not} 38. Rxa6 $2 Qxf2+ 39. Kh1 Qf4 $19) 38... Qh6 {[%csl Gg4][%cal Rh6h2]} 39. h4 Bc8 40. Nc3 Bf5 41. Qd2 Qf8 42. Ra7 Be6 43. Ne4 Qb8 44. Ng5+ Kg8 45. Qa5 Qxb3 46. Qd8+ Kg7 47. Nxe6+ {Precision: White = 68%, Black = 40%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Fedorovsky, Michael"]
[Black "Gschnitzer, Adrian"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2471"]
[BlackElo "2307"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,63,17,25,20,23,30,27,10,10,9,14,4,8,6,8,22,9,7,7,3,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,-6]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6} Bg7 7. e4 O-O 8. Be2 (8. e5 Ne8 9. Nf3 d6 10. exd6 Nxd6 11. Be2 Nxa6 12. O-O Bb7 13. Bf4 Nb4 {½-½ (34) Akobian,V (2640)-Shankland,S (2668) Saint Louis 2018}) 8... Qa5 9. Bd2 Bxa6 10. e5 Ne8 $1 {LiveBook: 13 Games} 11. Nf3 Bxe2 12. Qxe2 {0-0 is the strong threat.} Qa6 13. O-O $146 ({Predecessor:} 13. Qe3 Qb6 {1-0 (29) Xiang,Z (2347)-Dietz,F (1922) Bad Zwesten 2017}) 13... Qxe2 {The position is equal.} 14. Nxe2 d6 15. Bc3 Nd7 {[%cal Rd6e5]} 16. exd6 Nxd6 17. Bxg7 Kxg7 18. Nc3 Rfb8 19. b3 Ra3 20. Rae1 Kf8 21. Re2 c4 22. Nd4 cxb3 23. axb3 Nf5 24. Ncb5 Nxd4 25. Nxd4 Nf6 26. d6 exd6 27. f3 Rc8 28. Rb1 Nd5 29. Rd2 Nc3 30. Rc1 {[#] And now Rdc2 would win.} Rc5 31. Rdc2 Rd5 32. Rxc3 {Precision: White = 76%, Black = 77%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Pavlovic, Milos"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2466"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,35,53,53,36,49,16,33,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 Na6 7. O-O e5 8. Be3 c6 9. Re1 Re8 {LiveBook: 5 Games. E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} 10. d5 Ng4 11. Bg5 $146 ({Predecessor:} 11. Bc1 f5 12. exf5 gxf5 13. Ng5 Nf6 14. c5 h6 15. Bxa6 bxa6 16. dxc6 d5 17. c7 {½-½ (27) Gelfand,B (2747)-Ding,L (2755) Tsaghkadzor 2015}) 11... Qb6 12. Rf1 Qxb2 {The position is equal.} 13. Na4 Qb4 14. Bd2 Qa3 15. Bc1 Qb4 16. Bd2 Qa3 17. Bc1 Qb4 18. Bd2 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Basso, Pier Luigi"]
[Black "Bilchinski, Anton"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2459"]
[BlackElo "2292"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,44,37,41,37,47,33,25,77,15,18,19,32,35,31,27,37,12,14,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 d5 8. O-O Nbd7 9. Nc3 Ba6 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} 10. Re1 (10. Ne5 Bd6 11. Bf4 O-O 12. Rc1 Bxe5 13. dxe5 Nh5 14. Na4 Nxf4 15. gxf4 Bb5 16. Nc5 Nxc5 17. Rxc5 {½-½ (43) Aronian,L (2807)-Carlsen,M (2823) Moscow 2011}) 10... Bb4 11. Bd2 O-O 12. a3 Be7 13. b4 {LiveBook: 6 Games} c6 14. Qc2 Bc4 15. Na4 $146 ({Predecessor:} 15. e4 dxe4 16. Nxe4 Bd5 17. Nc3 {1-0 (53) Shapiro,V (2349)-Gerbich,V (2449) ICCF email 2012}) 15... Rc8 (15... Ne4 $11 {remains equal.}) 16. e3 (16. Nc5 $16) 16... Ne4 $11 17. Rec1 Nxd2 18. Nxd2 Bb5 19. Nc3 Nb6 20. Bf1 Bd6 {The position is equal.} 21. e4 Bxf1 22. Rxf1 e5 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lubbe, Nikolas"]
[Black "Morgunov, Marc"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2453"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,107,9,-7,9,-16,-8,-16,-31,-17,-6,0,-6,9,7,6,17,21,23,-22,0,-47,-7,-4,0,0,0,0,0,-7,0,-23,0,-13,41,41,35,43,55,40,97,77,87,83,75,35,35,0,2,2,8,0,0,0,0,-7,6,0,56,58,65,53,69,65,73,69,146,146,146,146,146,138,962,914,888,535,524,503,461,291,291,268,269,270,278,269,627,611,622,601,733,673,5712,3429]} 1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 b6 6. Be2 Bb7 7. O-O d6 8. c4 c5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (8... Nbd7 9. Qc2 c5 10. Rd1 cxd4 11. Nxd4 Rc8 12. Nc3 a6 13. Rac1 Rc7 14. Bf3 Qa8 15. Bxb7 Qxb7 16. Qe2 {0-1 (54) Nakamura,H (2781)-Liang,A (2572) chess.com INT 2018}) 9. Nbd2 {LiveBook: 17 Games} Nbd7 10. Qc2 cxd4 {The position is equal.} 11. exd4 Rc8 $146 ({Find the theoretical novelty and annotate with similar games:} 11... Qc7 12. Rfe1 Rfe8 13. Rad1 Rad8 14. d5 {0-1 (39) Bokou,H-Kantor,G (1732) Budapest 2009}) 12. Rfd1 d5 13. a4 dxc4 14. bxc4 Qc7 15. Qb3 Ne4 16. Nxe4 Bxe4 17. Qe3 Bxf3 18. gxf3 e5 19. d5 Nc5 20. a5 Rfe8 21. axb6 axb6 22. Rab1 Qd6 23. Ba3 f5 24. Qb3 Nxb3 (24... e4 $11) 25. Bxd6 $14 Nd4 26. Bf1 Nxf3+ 27. Kg2 e4 ({Better is} 27... Ng5 $14) 28. Rxb6 $16 Bf8 29. Bxf8 Kxf8 30. d6 Rc5 31. Be2 Ne5 32. Rb7 h6 33. Kg3 Nf7 34. Rb6 Rd8 35. Rd4 Rd7 36. Bd1 Ne5 (36... Ra5 $11) 37. Ba4 $1 $14 Rd8 38. Bb5 Nd3 39. d7 $36 {[%mdl 2048] aiming for Re6. White is pushing.} f4+ 40. Kg2 Ne1+ (40... f3+ $1 $14 41. Kf1 Kf7) 41. Kf1 $16 Nf3 {[#]} 42. Rd5 $1 {[%cal Rd5c5]} Rxd5 43. cxd5 {[%mdl 4096] Endgame KRB-KRN} Ra8 $2 {[%mdl 8192]} (43... Nd4 $16) 44. Ra6 $18 Rb8 45. Kg2 {Re6 is the strong threat.} Ng5 46. Rc6 Rd8 47. Rf6+ Ke7 48. Rxf4 ({Weaker is} 48. Rxg6 Kf7 $16) 48... Kd6 {[#]} 49. Bc6 $1 Ke5 50. Kg3 Rb8 $2 (50... e3 51. fxe3 Ne4+ 52. Kf3 Nf6) 51. h4 {White is clearly winning.} Nh7 {White should prevent ...Nf6.} 52. Rf7 Nf6 53. Re7+ Kd6 54. Re6+ {Precision: White = 51%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Carow, Johannes"]
[Black "Kozul, Zdenko"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "2437"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,57,61,81,81,81,79,75,64,80,69,84,68,64,54,68,0,0,-6,-6,-10,1,-25,0,0,0,-72,-90,-79,-75,-87,-89,-87,-98,-110,-102,-100,-97,-107,-104,-118,-43,-256,-227,-222,-220,-231,-196,-339,-344,-297,-264,-252,-178,-174,-165,-163,-158,-295,-282,-618,-615,-900,-895,-1429,-872,-768,-742]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 {[%cal Bg1e2,Be2c1,Bc1d3][%mdl 32]} Nbd7 8. Qd2 a6 9. d5 {LiveBook: 15 Games} h5 {E85: King's Indian: Sämisch: 6...e5} (9... Nh5 10. g4 Nf4 11. Nxf4 exf4 12. Bxf4 h5 13. Be2 hxg4 14. fxg4 Qh4+ 15. Bg3 Qh3 16. O-O-O Ne5 17. g5 {0-1 (30) Novikov,S (2513)-Naiditsch,A (2687) Tallinn 2016}) 10. Nc1 Nh7 11. Nd3 f5 {White is better.} 12. O-O-O Ndf6 $146 ({Predecessor:} 12... Qe7 13. Kb1 Nhf6 14. Be2 b5 15. Nb4 bxc4 16. Nc6 Qf7 17. Bxc4 Nb6 18. Be2 Bd7 19. Qc2 Bxc6 20. dxc6 Nc4 {½-½ (20) Meinert,T (2140)-Smagacz,D (2246) Polanica Zdroj 1999}) 13. Kb1 fxe4 14. Nxe4 Nxe4 15. fxe4 Bf6 16. g3 (16. Be2 $14) 16... Bg5 $11 17. h4 Bxe3 18. Qxe3 Bg4 19. Be2 Bxe2 20. Qxe2 Qd7 21. Rdf1 (21. Rhg1 $11) 21... Rxf1+ $17 22. Rxf1 Qh3 23. Rf3 Rf8 24. Rxf8+ Kxf8 25. Qf3+ Kg7 26. c5 Nf6 27. cxd6 cxd6 28. a3 Qh2 (28... a5 $17 29. Ka2 Qc8) 29. Kc1 $2 ({White should play} 29. Nf2 $1 $15) 29... Qg1+ $1 $19 30. Kc2 Ng4 31. Kb3 Qd4 32. Kc2 (32. Qe2 {was necessary.}) 32... Qc4+ (32... Nf6 $2 33. Nf2 $17) 33. Kd2 a5 34. Qe2 Nf6 35. Nf2 {[#]} Qb3 $1 {[%cal Rb3b2]} 36. Nd3 Ng4 37. Qd1 {[#]} (37. Qe1 $17) 37... Qb6 $1 38. Qa4 $2 (38. Qe2) 38... Qe3+ {Black is clearly winning.} 39. Kc2 Qe2+ 40. Kc3 Nf6 41. Qxa5 Nxe4+ {Precision: White = 41%, Black = 88%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Carlstedt, Jonathan"]
[Black "Buhmann, Rainer"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2432"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,62,0,-11,8,-10,-10,-32,0,-13,-12,-25,-22,-44,-29,-56,-23,-24,-25,-25,-33,-29,-15,-58,-18,-32,-11,-27,-5,-89,-94,-95,-79,-100,-85,-76,-59,-60,-59,-78,-67,-139,-70,-67,0,-5,-14,-33,-25,-39,31,25,24]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Qb3 {D00: 1 d4 d5: Unusual lines} (6. Ngf3 e6 7. Be2 Bd6 8. dxc5 Bxc5 9. Nd4 Bg6 10. Qa4 O-O 11. Nxc6 bxc6 12. Qxc6 Rc8 13. Qa4 Re8 14. O-O e5 {0-1 (57) Le,Q (2737)-Ding,L (2777) Riadh 2017}) 6... Qd7 7. dxc5 {LiveBook: 16 Games} e6 8. Ngf3 $146 {The position is equal.} ({Find the theoretical novelty and annotate with similar games:} 8. Qa3 Be7 9. Ngf3 O-O 10. Bb5 Qc8 11. b4 Ne4 12. Bxc6 bxc6 13. Nxe4 Bxe4 {0-1 (39) Salvetti,A (2239)-Moroni,L (2430) Lugano 2015}) 8... Bxc5 9. Bb5 Bd6 10. Qa4 O-O 11. Rd1 Bxf4 12. exf4 Qc7 13. O-O Nd7 14. g3 $1 a6 15. Be2 b5 16. Qa3 Qb6 17. Nh4 Bc2 18. Rc1 Bg6 19. Rfd1 Rfd8 20. Bf3 {[#]} (20. Nxg6 $11 hxg6 21. Nb3) 20... Nc5 $1 $36 {[%cal Rc5d3][%mdl 2048] Strongly threatening ...Nd3. Keeping White busy.} 21. Be2 Bd3 22. b4 Ne4 23. Nxe4 dxe4 24. Qb2 e5 25. f5 Ne7 26. Qd2 (26. c4 $15) 26... Bc4 (26... Rac8 $17 27. Bh5 Nd5) 27. Qc2 e3 (27... Qc6 $15) 28. Bxc4 $11 bxc4 29. Qe4 exf2+ 30. Kf1 Qc6 ({Better is} 30... a5 $15 31. Qxe5 Nc6) 31. Qxc6 $14 Nxc6 {Precision: White = 31%, Black = 49%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Burri, Quentin"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2410"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,96,8,8,21,0,8,0,7,4,13,13,13,4,22,0,0,0,0,0,0,0,0,0,7,-7,0,0,0,0,0,-31,-21,-18,-9,-42,-32,-55,-49,-187,-122,-122,-99,-100,0,0,0,0,0,0,0,0,8,7,0,-11,-12,-18,0,-9,-11,-12,-11,-19,0,0,0,0,0,-14,-14,-66,-66,-66,-66,-253,-261,-594,-564,-2491,-2207]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {B12: Caro-Kann: Advance Variation} Qa5+ 7. Bd2 (7. Nd2 e6 8. Ne2 Ne7 9. O-O Nf5 10. Nf3 Qa6 11. Qd1 Be7 12. g3 c5 {½-½ (67) Nakamura,H (2787)-Artemiev,V (2697) Moscow 2018}) 7... Qa6 8. e6 Qxd3 9. exf7+ Kxf7 10. cxd3 {LiveBook: 12 Games} Nd7 11. Nf3 e6 12. O-O $146 ({Find the theoretical novelty and annotate with similar games:} 12. Nc3 Nh6 {0-1 (48) Semenova,E (2235)-Burmakin,V (2508) Kazan 2017}) 12... Be7 13. Re1 Nh6 14. Bxh6 gxh6 15. Nbd2 Rhg8 16. Nf1 Bd6 17. Re3 Rg6 18. Rae1 Rag8 19. g3 a5 20. Kh2 a4 21. a3 Ra8 22. R3e2 Ra6 23. Ne3 Rb6 24. Ng2 Rb3 25. Rd1 Rg4 26. Ne3 Rg8 27. Kh3 Bc7 28. g4 (28. Rdd2 $15) 28... hxg4+ ({Better is} 28... Rf8 $19 29. g5 Kg6) 29. Nxg4 $17 Bf4 30. h5 b6 (30... Nf8 $17) 31. Nh4 $1 $11 {[%cal Rh4g6]} Rg5 32. Nxh6+ Ke7 33. N6f5+ $1 Kf6 34. Ng3 Bxg3 35. fxg3 {[#] Hoping for Rf1+.} Rxh5 36. Rde1 e5 37. Re3 c5 38. g4 {[%cal Bg3g4,Bg4g5,Bg5g6,Bg6g7][%mdl 32]} Rh7 $36 {[%mdl 2048] Black fights for an advantage.} 39. Rf3+ Ke6 {[#] And now ...c4 would win.} 40. g5 {dxe5 is the strong threat.} c4 (40... Rxb2 41. dxe5 Rd2 42. Kg3 $16) 41. g6 Rh8 42. g7 Rg8 43. dxc4 dxc4 44. Rxb3 (44. d5+ $1 $11 Kxd5 45. Rxb3 axb3 46. Nf5) 44... axb3 {KRN-KRN} 45. d5+ $1 Kf6 $1 46. Re4 $2 (46. Rc1 $15) 46... b5 $19 ({Weaker is} 46... Rxg7 47. Rxc4 Nc5 48. Rb4 $11) 47. a4 $2 (47. Re1 {is more resistant.}) 47... Nc5 48. Rg4 Rxg7 {Precision: White = 42%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lerch, Patrice"]
[Black "Malakhatko, Vadim"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2407"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,-25,17,-4,0,-13,16,10,52,14,24,14,29,0,2,-2,-5,-8,4,2,19,0,0,-7,6,-47,0,0,0,0,6,0,0,0,20,13,31,25,31,10,33,29,33,35,39,24,57,19,18,9,27,34,52,34,31,33,42,31,66,66,65,18,17,12,20,11,16,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Nf6 5. Nf3 Be7 6. Be2 {C01: French: Exchange Variation} (6. Bd3 O-O 7. O-O Bg4 8. Nbd2 c6 9. c3 Nbd7 10. h3 {½-½ (10) Mikrut,D (2404)-Gritsak,O (2497) Krakow 2017}) 6... O-O 7. O-O Nh5 8. Be3 $146 ({Predecessor:} 8. Bg3 Nd7 9. c4 Nxg3 10. fxg3 f6 11. cxd5 Nb6 12. Nc3 Bb4 13. Qb3 Bd6 14. Rae1 Bd7 {1-0 (27) Gatti,D (1440)-Campanella,N (1440) Erba 2015}) 8... g6 9. Nbd2 c6 10. c3 Bd6 11. Ne5 Ng7 12. Nd3 Qc7 13. g3 Bh3 14. Re1 Nd7 15. Bf4 Rae8 16. Qb3 b6 17. Qb4 (17. Rac1 $11) 17... Bxf4 (17... Ne5 $15 18. Qb3 (18. Bxe5 Rxe5 19. Qb3 Re7 $15) 18... Nxd3 19. Bxd6 Rxe2 20. Bxc7 Rxf2) 18. Nxf4 $11 Bf5 19. Bf1 Nf6 20. c4 g5 21. Ng2 dxc4 22. Nxc4 Nd5 (22... Bg6 {is interesting.} 23. Ne5 c5 24. Rac1 Qxe5 25. dxe5 cxb4 26. exf6 Rxe1 27. Rxe1 Ne8) 23. Qd2 f6 24. Nce3 Be4 25. Nxd5 cxd5 26. Re3 Qd6 27. Rae1 Re6 28. f3 Bg6 29. Kf2 Rfe8 30. Bb5 R8e7 31. Rc1 Be8 32. Rc8 Kf7 33. Bxe8+ Nxe8 34. Qc2 Kg7 35. Rc6 Qxc6 {The position is equal.} 36. Qxc6 Rxc6 37. Rxe7+ {KRN-KRN} Kf8 38. Rxh7 {Threatens to win with Ne3.} Rc2+ 39. Kf1 Rxb2 40. Rxa7 Rb1+ 41. Kf2 {Precision: White = 47%, Black = 57%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.30"]
[Round "4"]
[White "Keymer, Vincent"]
[Black "Germer, Philipp"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2403"]
[BlackElo "2107"]
[PlyCount "0"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]

 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Seyb, Alexander"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2395"]
[BlackElo "2651"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,101,20,19,92,94,96,89,84,77,85,38,39,48,52,58,56,31,33,32,43,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-328,771,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Qd1 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} Ne7 10. Qb1 {LiveBook: 8 Games} cxd4 $146 (10... Qd7 $11) ({Predecessor:} 10... c4 11. h4 Nbc6 12. h5 h6 13. Rh4 Bd7 14. Qxb7 Rb8 15. Qxd7 {1-0 (15) Saric,I (2669)-Jarmula,L (2463) Katowice 2017}) 11. Bb5 $16 {White is better.} Qa5 12. cxd4 Qb6 13. Ne2 Nbc6 14. Bd3 Qxb1+ $1 15. Rxb1 f6 16. exf6 gxf6 17. c4 b6 18. cxd5 Nxd5 19. Nc3 Nxd4 20. Nxd5 exd5 21. Bc3 Bf5 22. Kd2 Bxd3 23. Kxd3 Ne6 24. Bxf6 Rg8 25. g3 Kf7 26. Bd4 h5 27. f3 Rac8 28. Rhc1 Rc4 29. Rxc4 dxc4+ $11 {[%mdl 4096] Endgame KRB-KRN} 30. Kc3 ({Don't play} 30. Kxc4 Rc8+ 31. Kd3 Rd8 $17) 30... Rd8 31. Be5 Rd5 32. f4 b5 33. a4 a6 34. axb5 axb5 35. Kc2 Kg6 36. h3 $1 Ng5 37. h4 $2 {[%mdl 8192] [#]} (37. fxg5 $11 {and White stays safe.} Rxe5 38. h4) 37... Rxe5 $4 {[%mdl 8192]} (37... Ne4 $19 38. Bc3 Kf5) 38. fxg5 $2 $19 {KR-KR} (38. fxe5 $18 Nf3 39. Kc3) 38... Kf5 {The position is equal.} 39. Rf1+ Kg4 40. g6 {[#] And now g7 would win.} Re6 41. g7 Rg6 42. Rb1 b4 43. Rxb4 Kxg3 44. Rxc4 Rxg7 45. Kd2 Re7 46. Ra4 Re5 47. Rb4 Kf3 48. Ra4 Re2+ 49. Kd3 Rh2 50. Rb4 Ra2 51. Rb5 {Precision: White = 67%, Black = 65%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Tomczak, Mikolaj"]
[Black "Landa, Konstantin"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2394"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,184,8,15,-14,0,-6,-6,-11,0,0,0,0,0,0,0,0,46,39,41,27,21,31,29,36,27,28,30,29,28,33,62,60,64,74,78,64,75,69,71,80,72,53,53,0,0,0,30,17,8,0,0,0,0,0,26,33,71,37,42,39,35,0,0,0,0,0,8,9,16,0,0,0,93,83,83,-29989,83,83,83,87,87,86,87,49,49,49,49,49,49,11,11,11,11,11,11,11,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29,29,29,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Nf3 Ne4 9. Bxe7 Qxe7 10. Bxe4 dxe4 11. Nd2 Nf6 12. Qc2 Bf5 13. O-O O-O {LiveBook: 6 Games} 14. f4 {D35: Queen's Gambit Declined: Exchange Variation} (14. Rab1 Rac8 15. b4 Rfe8 16. Rfc1 Nd5 17. a3 Qg5 18. Nxd5 cxd5 19. Qd1 Bh3 20. Qf1 h6 21. Kh1 Bd7 {½-½ (31) Nikolov,M (2583)-Radulski,J (2571) Albena 2011}) 14... Rad8 $146 ({Predecessor:} 14... Rac8 15. Qa4 b6 16. b4 Rfd8 17. Rac1 Rd6 18. h3 Nh5 19. Qd1 Ng3 20. Rf2 Qh4 21. Nf1 Rg6 {0-1 (36) Bui,N-Nguyen,G Vung Tau 2000}) 15. Rfe1 h5 16. Qa4 a6 17. Qa5 Nd5 18. Rac1 h4 19. Nb3 h3 20. g3 Bc8 21. Nxd5 Rxd5 22. Rc5 Rfd8 23. Rec1 Qe6 24. Rxd5 Rxd5 25. Nc5 Qg4 {[#] ( -> ...Qe2)} 26. Qd2 Qg6 27. Qc2 f5 28. Kf2 Kh7 29. Qe2 Rd6 30. Na4 Be6 31. b3 Bd5 32. Ke1 Qf7 33. Rc3 b5 34. Nb2 ({White should play} 34. Nc5 $14) 34... a5 $1 $11 35. Rc5 a4 36. bxa4 bxa4 37. Nc4 Bxc4 38. Qxc4 {[%mdl 4096] Endgame KQR-KQR} Qh5 39. Qe2 ({Don't blunder} 39. Rxc6 $2 Rxc6 40. Qxc6 Qf3 $17) 39... Qf7 40. Kf2 a3 41. g4 fxg4 42. Kg3 Rh6 $1 43. Qc2 Qe7 {[%csl Gh6][%cal Re7h4] [#]} 44. Rg5 Qb4 $1 45. Qxe4+ Kh8 46. Qc2 $36 {[%mdl 2048] White fights for an advantage.} Qb2 47. Qf2 Re6 48. Re5 Rd6 (48... Rxe5 $1 $11 49. fxe5 Qb1) 49. Qxb2 axb2 $16 {KR-KR} 50. Re8+ Kh7 51. Rb8 Re6 52. Rxb2 Rxe3+ 53. Kxg4 Rd3 54. a4 Ra3 $1 55. Rb4 Kg6 56. Rc4 Kf7 57. Rxc6 Rxa4 58. Rd6 (58. d5 {seems wilder.} Rd4 59. d6 Kf6 60. Rb6 Rd5 61. d7+) 58... Ra3 59. Rd7+ Kf6 60. d5 Rd3 61. d6 Rd4 62. Rd8 g5 63. Kxh3 (63. Rf8+ {is interesting.} Kg7 64. Rb8 gxf4 65. Rb6 Kf6 66. d7+) 63... gxf4 64. Kg4 Ke6 65. Re8+ Kd7 66. Rf8 (66. Re2 {feels hotter.} Kxd6 67. Kf3 Rc4 68. h4 Rc8 69. Kxf4 Kd7 70. h5) 66... Rxd6 67. Rxf4 Ke7 68. Kg5 {Black should prevent h4.} Rd8 69. Kg6 Rg8+ 70. Kh7 Rg2 71. h4 Rg1 72. Rf5 Rh1 73. Rf4 {Black must now prevent Kh6.} Rg1 74. Kh6 Ke6 75. Rf3 Rg2 76. h5 Ke7 77. Rf4 Rg1 78. Kh7 Rg5 79. h6 (79. Re4+ {with more complications.} Kf8 80. Kh6 Rc5 81. Kg6 Rc6+ 82. Kh7) 79... Rg2 80. Rf5 {aiming for Kh8.} Rg3 81. Ra5 {And now Rf5 would win.} Kf7 82. Ra7+ Kf8 83. Rg7 Rf3 84. Rg5 {Threatens to win with Rg7.} Rf6 85. Rg8+ Kf7 86. Ra8 Rf1 87. Ra7+ Kf8 88. Ra6 {Ra3 is the strong threat.} Kf7 89. Rg6 {Hoping for Rg4.} Rf2 90. Rg7+ Kf8 91. Kg6 {Strongly threatening Ra7.} Rg2+ 92. Kf6 Rxg7 {Precision: White = 59%, Black = 86%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Engel, Luis"]
[Black "Valsecchi, Alessio"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2389"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,100,-3,0,-4,10,0,0,0,0,0,0,0,0,-18,-18,-30,50,27,23,16,27,18,153,54,70,51,93,104,100,90,94,76,68,61,63,67,67,69,96,98,73,19,14,0,0,8,43,30,26,6,14,0,0,0,93,83,70,62,77,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Qe2+ Be7 8. dxc5 O-O 9. O-O Re8 10. Nb3 a6 11. Bxd7 Nbxd7 12. Bg5 Bxc5 13. Qd3 Ba7 {LiveBook: 3 Games. C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines} (13... Bf8 14. Rad1 Qc7 15. c3 h6 16. Bh4 Re4 17. Nbd4 Qb6 18. Qc2 Rc8 19. Nf5 Qa5 20. Bxf6 Nxf6 21. Qb3 {1-0 (63) Brandenburg,D (2534)-Peng,Z (2392) Netherlands 2014}) 14. Rad1 Rc8 $146 ({Predecessor:} 14... Qc7 15. c3 Re4 16. Bh4 Rae8 17. Bg3 Qb6 18. Rd2 h6 19. Nbd4 g6 20. Ne2 Qa5 21. b4 {0-1 (32) Oussama,O (2300)-Russek Libni,G (2395) Spain 1999}) 15. c3 h6 16. Bh4 Re4 17. Bg3 Qb6 18. Nfd4 Ne5 19. Qc2 Nc4 20. Nd2 Nxb2 (20... Nxd2 $11 21. Qxd2 Rce8) 21. Nxe4 (21. Nf5 $5 {[%cal Rd2e4]} Re2 22. Rde1 $11 (22. Rb1 Qe6 $11)) 21... Nxe4 22. Rb1 Qxd4 23. Qxb2 Rxc3 (23... Qc5 $1 $11 {keeps the balance.}) 24. Rbd1 (24. Qxb7 $16 {Black must now prevent Rbd1.} Rxg3 25. hxg3 Nxg3 26. Qc8+ (26. Qxa6 g6 $16) 26... Kh7 27. Qc2+ (27. Qxa6 $2 Qh4 $19) 27... f5 28. Rb3 Nxf1 29. Qxf5+ (29. Kxf1 Qa1+ 30. Rb1 Qe5 $16) 29... Kg8 30. Rd3) 24... Rd3 25. Qc2 Rxd1 26. Rxd1 Qc3 27. Qxc3 $1 Nxc3 $16 {[%mdl 4096] Endgame KRB-KBN} 28. Rd2 f6 29. Kf1 {[%mdl 1024] White has compensation.} Kf7 30. Rc2 d4 31. Bd6 a5 {[#]} 32. Bc7 $1 b6 {[#]} 33. Rb2 (33. Rd2 $1 $16) 33... Nd5 $1 $11 {[%cal Rd5c7]} 34. Bg3 Ke6 35. Ke2 Nc3+ 36. Kd3 Kd5 $1 37. f3 Na4 38. Re2 {Re7 is the strong threat.} Nc5+ 39. Kd2 b5 (39... Ne6 $11) 40. Re7 $1 $16 {[%csl LRa7,LRg7]} Bb6 41. Rxg7 {aiming for Rg6.} a4 42. Bc7 (42. Rf7 $16) 42... Bxc7 $11 {The position is equal.} 43. Rxc7 {KR-KN} b4 44. h4 a3 45. Ra7 d3 {Strongly threatening ...Kc4.} 46. Ra8 Kc4 {And now ...b3 would win.} 47. Rc8 Kd4 48. Rd8+ Kc4 49. Rc8 Kd4 50. Rd8+ Ke5 {Precision: White = 51%, Black = 62%.} (50... Kc4 $11 {remains equal.} 51. Rc8) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lokander, Martin"]
[Black "Kunin, Vitaly"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2379"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,93,43,29,63,41,46,39,70,37,37,39,40,38,33,26,48,45,50,40,53,30,63,40,37,27,70,74,168,123,141,141,139,145,145,145,135,144,256,170,185,170,179,180,256,174,164,170,212,211,207,168,269,268,275,275,275,275,275,275,278,275,259,216,339,331,12829,12829,1689,1418,12835,12835,12836,12836,12837,12837,12837,12837,12841,12842,12842,12842,12843,12843,12850,12850]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6 5. Nc3 h6 (5... c6 6. Ng5 Bd5 7. e4 h6 8. exd5 hxg5 9. dxc6 Nxc6 10. d5 Ne5 {½-½ (10) Winants,L (2560)-Khenkin,I (2596) Belgium 2015}) 6. Ne5 {LiveBook: 20 Games. D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} c6 7. Bxc4 (7. Nxc4 {is more complex.} Nbd7 8. Be2 Bxc4 9. Bxc4 e6 10. O-O) 7... Bxc4 8. Nxc4 {White is slightly better.} e6 9. O-O Nbd7 10. b3 $146 ({Predecessor:} 10. a4 Be7 11. e4 O-O 12. Bf4 a5 13. Qb3 Bb4 14. Bd6 Bxd6 15. Nxd6 Qb6 16. Qxb6 Nxb6 17. Nxb7 Nbd7 18. e5 Rfb8 19. Nd6 Ne8 20. Nxe8 {½-½ (20) Offenborn,H (2371)-Steiger,W (2312) ICCF email 2011}) 10... Be7 11. Bb2 O-O 12. Qf3 Nd5 13. e4 Nxc3 14. Bxc3 Qc7 15. Rac1 Rae8 16. d5 exd5 17. exd5 cxd5 18. Ne3 $40 {[%mdl 128] Threatens to win with Bxg7! White wants a kill.} Ne5 (18... Ba3 $16) 19. Qxd5 Ba3 {[#]} 20. Bb2 $1 {[%mdl 512]} Qd6 (20... Bxb2 21. Rxc7) 21. Qxd6 $1 Bxd6 22. Rfd1 Rd8 23. Rxd6 $1 Nf3+ (23... Rxd6 $16 {was necessary.} 24. Bxe5 Rd2) 24. gxf3 Rxd6 25. Rc7 Rd2 26. Nc4 Rd1+ 27. Kg2 b5 28. Ne5 Rd2 {[#]} 29. Ba3 $1 {[%cal Ra3f8]} Re8 30. Nxf7 Re6 (30... Rxa2 {was called for.} 31. Nd6 (31. Rxa7 $2 b4 $19) 31... Re6) 31. f4 $18 ({And not} 31. Rxa7 Rxa2 32. b4 Rg6+ 33. Kh3 Rc6 $17) 31... Rf6 {[#]} 32. Bc1 $1 ({Inferior is} 32. Rxa7 Rxa2 33. Nxh6+ gxh6 $17) 32... Rxa2 33. Ne5 a5 34. h4 a4 35. bxa4 Rxa4 36. h5 Kh7 (36... Ra8 $142 37. Rb7 Rff8 38. Rxb5 Rf5) 37. Ng4 Rf5 $2 (37... Rfxf4 38. Bxf4 Rxf4) 38. Bb2 {White is clearly winning.} Kg8 39. Bxg7 Rfxf4 40. Nf6+ Rxf6 41. Bxf6 {[%mdl 4096] Endgame KRB-KR} Rf4 42. Rg7+ Kf8 43. Rg6 b4 44. Bg7+ Kf7 45. Bxh6 Rh4 46. Rb6 Rxh5 47. Bf4 {Precision: White = 87%, Black = 39%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Lagunow, Raphael"]
[Black "Sumets, Andrey"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2368"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,6,0,32,0,25,-14,-9,-25,-23,-14,-16,-20,0,0,0,0,0,-14,9,7,0,0,6,-18,-23,-17,-13,-10,-10,-10,-7,-16,-14,-56,-56,-56,-56,-56,-56,-59,-56,-77,-79,-80,-71,-59,-57,-99,0,-85,-12,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 {B12: Caro-Kann: Advance Variation} 7. Be3 {LiveBook: 25 Games} (7. Be2 c5 8. c3 h6 9. dxc5 Bxc5 10. Nxc5 Nxc5 11. Be3 Rc8 12. O-O Ne7 13. Nd4 O-O 14. a4 {0-1 (41) Wei,Y (2743)-Navara,D (2740) Yancheng 2017}) 7... Bg6 8. a4 $146 ({Predecessor:} 8. Be2 Nh6 9. O-O Nf5 10. c3 Nxe3 11. fxe3 c5 12. Qe1 Be7 13. Qg3 O-O 14. h4 {1-0 (63) Birkenheuer,S (1486)-Bergauz,N (1361) Gross Doelln 2010}) 8... Nh6 9. h3 Nf5 10. Bg5 (10. Bd3 {seems wilder.} Be7 11. O-O O-O 12. c3 Rc8 13. Re1) 10... Be7 11. Bxe7 Qxe7 12. Bd3 O-O 13. O-O Rac8 14. c3 Rc7 15. a5 Nh4 16. Nxh4 Qxh4 17. Bxg6 hxg6 18. Qg4 Qxg4 19. hxg4 c5 20. Nxc5 Nxc5 21. dxc5 Rxc5 $11 {[%mdl 4096] Endgame KRR-KRR} 22. Rfd1 Rfc8 23. Rd4 Rb5 $1 24. Ra2 Rcc5 25. Rda4 $1 g5 26. g3 f6 27. f4 Kf7 28. Kf2 gxf4 29. gxf4 Rc8 30. Kg3 Rh8 (30... fxe5 $17 {...d4! is the strong threat.} 31. fxe5 Kg6) 31. Rd4 (31. exf6 $11 {remains equal.} Kxf6 32. Rd4) 31... Rb3 (31... fxe5 $17 32. fxe5 Kg6) 32. exf6 {The position is equal.} gxf6 33. f5 Rh1 34. fxe6+ Kxe6 35. Rd2 Rg1+ 36. Kf3 Rf1+ 37. Kg3 Rg1+ 38. Kf3 Rb1 39. Re2+ Kd6 40. Kf4 Rf1+ 41. Ke3 Rd1 42. Rd2 Rxd2 43. Kxd2 Rb5 44. Kc2 d4 {Precision: White = 51%, Black = 59%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Wenninger, Philipp"]
[Black "Heberla, Bartlomiej"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2364"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,36,-8,2,2,0,-25,-42,-22,-35,-39,-30,-22,-37,-37,-41,-33,-48,-668,-678]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 dxc4 5. Bg2 a6 6. Ne5 c5 7. O-O {E04: Open Catalan: 5 Nf3} (7. Be3 Nd5 8. Nc3 Nxe3 9. fxe3 Nd7 10. Nxc4 Be7 11. dxc5 Bxc5 12. Nd6+ Bxd6 13. Qxd6 Qe7 14. Qd4 Nf6 15. O-O O-O {½-½ (64) Onischuk,A (2681)-Bruzon Batista,L (2673) Saint Louis 2018}) 7... cxd4 8. Nd2 Ra7 9. a4 $146 ({Predecessor:} 9. Ndxc4 b5 10. Nd2 Bb7 11. Ndf3 Nc6 12. Bf4 Be7 13. Rc1 Nxe5 14. Bxe5 O-O 15. Qxd4 {0-1 (38) Tishin,D (2372)-Taleb,M (2456) Alushta 2004}) 9... b6 10. Ndxc4 Bb7 {LiveBook: 3 Games} 11. Bxb7 Rxb7 12. b3 Bc5 13. Bb2 O-O 14. Qd3 Nfd7 15. Nf3 Nc6 16. Nxd4 Bxd4 17. Bxd4 Nc5 18. Qf3 $2 {[%mdl 8192] [#]} (18. Bxc5 $15 Qxd3 19. exd3 bxc5 20. Nd6) 18... Nxd4 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Demuth, Adrien"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2359"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,49,24,21,115,94,114,112,112,102,115,31,34,23,31,31,31,31,31,36,39,31,29,35,36,43,38,0,20,8,61,54,272,272,577,581,560,560,536,508,785,777]} 1. e4 e5 2. Ne2 (2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 a6 6. Nd5 Nxd5 7. Bxd5 d6 8. Be3 Bxe3 9. fxe3 O-O 10. O-O Nb8 11. b4 Nd7 12. Qd2 c6 13. Bb3 a5 {1-0 (37) Kramnik,V (2800)-Aronian,L (2794) Berlin 2018}) 2... d6 3. f4 Nc6 4. d4 Nf6 5. Nbc3 exd4 6. Nxd4 {LiveBook: 3 Games. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nxe4 (6... g6 $11 {keeps the balance.}) 7. Nxe4 $16 {Threatens to win with Bb5.} Qe7 8. Bb5 {White is better.} ({Don't play} 8. Qd3 d5 $15) 8... Qxe4+ {[#]} 9. Kf2 $1 Bg4 10. Qxg4 $146 (10. Re1 $16 Bxd1 11. Rxe4+ Kd7 12. Ba4) ({Predecessor:} 10. Re1 Bxd1 11. Rxe4+ Kd7 12. Bd2 Bh5 13. c4 {½-½ (43) Podlesnik,B (2425)-Kos,T (2400) Bled 2000}) 10... Qxd4+ $14 11. Be3 Qxb2 12. Rab1 Qxc2+ 13. Be2 $1 f5 14. Qf3 O-O-O {White must now prevent ...d5.} 15. Rhc1 $36 {[%mdl 2048] White is pushing.} Qe4 $1 16. Qxe4 fxe4 17. Bg4+ Rd7 $1 18. a4 a5 19. Rb5 Be7 (19... g6 $11) 20. Rcb1 b6 $2 {[#]} (20... Rf8 $14) 21. Bxb6 $1 $18 {aiming for Ba7!} Rf8 $2 {[#]} (21... Kd8 {is tougher.} 22. Bxc7+ Ke8) 22. Ba7 $1 {[%mdl 512] White wants to mate with Rb8+!White is clearly winning.} Bh4+ (22... Nxa7 23. Rb8#) 23. g3 {Intending Rb8+! and mate.} Kd8 {[#]} 24. Rb8+ $1 {[%mdl 512]} Ke7 (24... Nxb8 $142 25. Rxb8+ Ke7 26. Rxf8 Kxf8) 25. Rxf8 {Precision: White = 69%, Black = 39%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Schitco, Ivan"]
[Black "Antal, Gergely"]
[Result "0-1"]
[ECO "D21"]
[WhiteElo "2353"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,176,26,25,27,10,20,11,50,-12,0,0,0,-16,-27,-25,-18,-48,0,0,0,-29,0,0,18,-77,8,1,27,0,0,0,0,1,16,-33,-34,-34,-34,-40,-40,-40,-34,-54,0,0,0,0,28,28,28,0,0,0,0,-61,0,0,0,0,0,0,0,0,0,-32,-32,-32,-32,-32,0,0,0,0,0,0,0,0,0,0,0,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-17,-17,-17,-17,-17,-17,-17,-17,-17,-17,-7,-7,-8,-8,-8,-8,-8,-8,-8,-10,-10,-36,0,-8,0,-51,-51,-51,-51,-51,-51,-51,-51,-51,-51,-68,-51,-51,-8,-21,-8,-25,-25,-39,-39,-39,-41,-41,-41,-51,-41,-48,-39,-29976,-29977,-29977,-29978,-29979,-29980,-29980,-29981,-29986,-29987]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. O-O Nf6 7. h3 Bh5 8. Nc3 Nc6 9. Be2 Bd6 10. a3 O-O 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Qe8 {D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3} (11... Nd5 12. Ne4 f5 13. Nxd6 cxd6 14. Bb2 Nce7 15. Rc1 Nf6 16. Qb3 Ned5 17. b5 f4 18. a4 axb5 19. axb5 {0-1 (30) Bhakti,K (2311)-Alekseenko,K (2590) Stockholm 2017}) 12. Bb2 {LiveBook: 5 Games} e5 13. b5 $146 ({Predecessor:} 13. Nxe5 Bxe2 14. Nxe2 Nxe5 15. dxe5 Bxe5 16. Bxe5 Qxe5 17. Qd4 Qe7 18. Qc4 Rac8 19. Rac1 Rfd8 20. Nd4 Rd5 21. Nb3 c6 22. Rfd1 Rcd8 23. Rd4 Rxd4 {½-½ (25) Eichler,C (2325)-Schneider,S (2346) Germany 2017}) 13... exd4 {[#] Strongly threatening ...Bxf3.The position is equal.} 14. bxc6 dxc3 (14... Bxf3 {feels hotter.} 15. gxf3 Qe6 16. Ne4 Nxe4 17. Qxd4 Nf6) 15. Bxc3 (15. cxb7 $14 cxb2 16. bxa8=R Qxa8 17. Rb1) 15... Qxc6 $11 16. Bxf6 $1 gxf6 17. Nd4 Bxe2 18. Qxe2 Qe4 19. Rac1 Rfe8 {...Qxd4! is the strong threat.} (19... c5 {with more complications.} 20. Nb3 b6 21. Nd2 Qc6 22. Rfd1 Kh8) 20. Nf3 b5 21. Rfd1 {[%cal Bf1d1,Bd1d4,Bd4d3][%mdl 32]} Rad8 22. Rd4 Qe6 23. Kh1 (23. a4 $11) 23... Kh8 (23... c5 $17 24. Rg4+ Kh8) 24. Rc6 Qb3 25. Rd3 Qb1+ 26. Rd1 Qe4 $36 {[%mdl 2048] White is under pressure.} 27. Rxa6 Qb7 28. Raxd6 (28. Ra5 {is more complex.} c6 29. Rb1 Qc7 30. Qd2 Re4 31. Qc3) 28... Rxd6 29. Rxd6 cxd6 {[%mdl 4096] Endgame KQR-KQN} 30. Qb2 Kg7 31. Qd4 Qd7 32. Qf4 Rc8 (32... Qe6 $15) 33. Nd4 Rc5 34. e4 Re5 35. Nf5+ Rxf5 $1 36. exf5 {KQ-KQ} d5 37. Qg3+ Kf8 38. Qh4 (38. Qd3 $11) 38... Qxf5 (38... d4 $1 $15) 39. Qb4+ Kg7 40. Qxb5 Qe4 41. Qb4 d4 42. a4 $1 Qf4 43. a5 Qxf2 44. a6 {White wants to play Qb1.} Qf1+ 45. Kh2 Qf4+ 46. Kh1 Qc1+ 47. Kh2 Qc7+ 48. Kg1 Qc1+ 49. Kh2 Qf4+ 50. Kh1 Qe3 51. Qd6 d3 52. a7 Qxa7 53. Qg3+ Kf8 54. Qxd3 Qa1+ 55. Kh2 Qe5+ 56. Kh1 Kg7 57. Qf3 f5 58. Qh5 h6 59. Qf3 Kg6 60. Qc6+ Qe6 61. Qf3 Qd6 62. Qe3 h5 (62... Qc7 {keeps more tension.} 63. Kg1 Kg7 64. Kh1 Qd6 65. Qc3+ Kh7) 63. Qf2 Qe5 64. Qb6+ Kg7 65. Qf2 Kh7 66. Qa7 Kg8 67. Qf2 Kg7 68. Kg1 f4 69. Kh1 Qe3 70. Qh4 ({White should play} 70. Qb2+ $1 $11 f6 71. Qb1) 70... Kg6 $1 $15 71. Qd8 $1 f3 72. Qg8+ Kf6 73. Qh8+ Ke7 {( -> ...f2)} 74. gxf3 Qxf3+ 75. Kh2 Qf4+ 76. Kg2 h4 {aiming for ...Qg3+.} 77. Qc3 Qe4+ 78. Kf2 Ke6 79. Qc8+ Kf6 {White must now prevent ...Qf5+.} 80. Qd8+ Kf5 81. Qd7+ Kg6 {And now ...Qf5+ would win.} 82. Qd6+ f6 {[%cal Bf7f6,Bf6f5,Bf5f4][%mdl 32]} 83. Qa3 Kg5 (83... Qc4 {is interesting.} 84. Qe3 Kf5 85. Kg1 Qe4 86. Qc5+ Kg6) 84. Qc5+ $2 {[%mdl 8192] [#]} (84. Qc3 $15) 84... Qf5+ {Black mates.} 85. Qxf5+ Kxf5 86. Kf3 Ke5 87. Kg4 f5+ 88. Kxh4 f4 {Precision: White = 63%, Black = 56%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Rafiee, Makan"]
[Black "Lampert, Jonas"]
[Result "0-1"]
[ECO "C74"]
[WhiteElo "2339"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,46,-3,54,-177,-181,-177,-179,-354,-335,-336,-380,-375,-371,-368,-305,-360,-364,-381,-360,-369,-373,-427,-336,-430,-426,-424,-413,-402,-406,-533,-412]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 {[%cal Bc8f5,Bf5e4,Be4g2,Bg2d5,Bd5e6][%mdl 32]} 7. d4 e4 8. d5 {C74: Ruy Lopez: Deferred Steinitz: 5 c3 f5} exf3 9. Qxf3 Qe7+ {LiveBook: 3 Games} (9... Bxb1 $1 $11 10. dxc6 b5) 10. Be3 $146 (10. Kd1 $1 $14 Be4 11. Qh3 Bxd5 12. Re1) ({Predecessor:} 10. Kd1 Be4 11. Qh3 Bxd5 12. Re1 Be4 13. Nd2 d5 14. f3 Nf6 15. fxe4 dxe4 16. Nxe4 Nxe4 17. Bxc6+ bxc6 {1-0 (46) Grischuk,A (2715)-Najer,E (2635) Khanty-Mansiysk 2007}) 10... Be4 $19 11. Qd1 ({Don't go for} 11. dxc6 $2 Bxf3 12. cxb7+ Kd8 $19) 11... b5 {[#] And now ...Ne5 would win.} ({Not} 11... Bxg2 12. Rg1 $11) 12. dxc6 $2 (12. Bc2 {was worth a try.}) 12... bxa4 13. Qxa4 Bxg2 14. Rg1 Qe4 15. Qa5 Nf6 16. Nd2 Qxc6 17. O-O-O Bd5 18. c4 Be6 19. Kb1 Kf7 20. Nb3 Be7 21. Nd4 Qe4+ 22. Ka1 c5 23. Qc7 {[#] Strongly threatening Rxg7+!} Rhe8 {Precision: White = 36%, Black = 73%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Van Kerkhof, David"]
[Black "Schneider, Ilja"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2334"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,43,46,48,33,12,18,16,14,15,22,-43,0,0,22,-6,0,0,0,-11,0,-12,0,-12,0,8,9,0,8,0,14,12,27,21,95,109,190,31,123,131,685,687]} 1. e4 d5 2. d4 Nc6 3. Nc3 e5 4. dxe5 d4 5. Nd5 Nge7 $1 {LiveBook: 7 Games} 6. Bc4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} Be6 {[%cal Re7d5]} 7. Nxe7 Qxe7 8. Bxe6 {The position is equal.} Qxe6 9. f4 f6 $146 ({Predecessor:} 9... O-O-O 10. Nf3 Bb4+ 11. Bd2 Qc4 12. a3 Bc5 {1-0 (31) Dourerassou,J (2502)-Taddei,B (2367) Saint-Quentin 2014}) 10. exf6 (10. Nf3 $11) 10... Qxe4+ (10... O-O-O $15) 11. Qe2 $11 Qxe2+ 12. Nxe2 (12. Kxe2 {keeps more tension.} O-O-O 13. Nf3 gxf6 14. a3 Bd6 15. Bd2) 12... gxf6 13. Bd2 Kf7 14. O-O-O Re8 15. Rhe1 Rg8 16. Ng3 Bd6 17. Rxe8 Kxe8 18. Re1+ Kf7 19. Re2 Rg4 20. Rf2 Bc5 21. Nf5 {[#] Threatens to win with Nh6+.} Kg6 (21... Rg6 $11 {keeps the balance.}) 22. h3 $36 {[%mdl 2048] White is on the roll.} d3 (22... Kxf5 $16 23. hxg4+ Kxg4) 23. Be3 $2 ({Not} 23. hxg4 Bxf2 24. Ne3 (24. cxd3 h5 $11) 24... dxc2 $11) ({Better is} 23. Rf3 $18 Kxf5 24. hxg4+ Kxg4 25. Rxd3) 23... Bxe3+ ({Black should try} 23... Rg3 $1 $14 24. Nh4+ Kh5 25. Bxc5 Kxh4) 24. Nxe3 Rg3 $2 {[%mdl 8192] [#]} (24... Rh4 $16) 25. Nf1 {Precision: White = 37%, Black = 22%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Schnepp, Gunnar"]
[Black "Ider, Borya"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2332"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,12,27,22,2,0,28,-50,-2,-48,-28,-31,-39,-37,-37,-70,-85,-81,-63,-142,-142,-144,-143,-143,-129,-129,-144,-139,-114,-175,-174,-203,-128,-112,-125,-218,-215,-267,-266,-308,-305,-397,-389,-384,-381,-379,-274,-280,-255,-285,-292,-287,-256,-272,-258,-269,-272,-243,-269,-248,-208,-201,-178,-230,-200,-289,-278,-289,-291,-306,-303,-306,-295,-301,-290,-344,-314,-326,-336,-312,-327,-320,-321,-909,-850,-5105,-4631,-29987]} 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Bg2 c6 5. a4 Nf6 6. O-O {A13: English Opening: 1...e6} Qd5 (6... Na6 7. Na3 Bxa3 8. Rxa3 O-O 9. Qc2 Qd5 10. Re3 Nb4 11. Qc3 Na2 12. Qa3 Nxc1 13. Rxc1 {1-0 (27) Aronian,L (2785)-Bok,B (2598) Doha 2016}) 7. Nc3 Qa5 8. e4 $146 (8. b3 $11) ({Predecessor:} 8. b3 cxb3 9. Qxb3 Nbd7 10. d4 Bb4 11. Na2 Be7 12. Bd2 Qb6 13. Qc2 {0-1 (56) Riemelmoser,F (2291)-Sandhoefner,F (2250) Austria 2016}) 8... Nbd7 9. Qe2 Qa6 10. b3 cxb3 {Strongly threatening ...b5!} 11. Qxa6 bxa6 12. Rb1 a5 13. Nd4 Ba6 14. Re1 (14. Nxc6 $15 Bxf1 15. Kxf1) 14... Ne5 $17 15. Nxb3 Bb4 16. Na2 Nd3 $36 {[%mdl 2048] Black is on the roll.} 17. Rd1 c5 18. Bb2 O-O 19. Bxf6 (19. Bc3 $17 {might work better.}) 19... gxf6 $19 20. e5 fxe5 {[%cal Bf6e5,Be5e4][%mdl 32] Threatens to win with ...Rad8.} 21. Bxa8 Rxa8 22. Nxb4 (22. Nbc1 $17) 22... axb4 23. Nc1 e4 24. Kg2 Ne5 25. d4 exd3 26. f4 Nc4 27. Rxd3 Na3 28. Rxa3 bxa3 {[%mdl 4096] Endgame KRB-KRN} 29. Ra1 Rd8 30. Rxa3 Rd2+ 31. Kf3 Rxh2 32. Rc3 c4 33. Ne2 Bb7+ 34. Ke3 Bd5 35. Rc1 Rg2 36. a5 (36. Rb1 $142) 36... Kf8 37. a6 (37. Rb1 $142) 37... Ke7 38. f5 Kd6 39. fxe6 fxe6 40. Rb1 h5 41. Rb8 Kc7 42. Rh8 Kb6 43. Rxh5 Kxa6 44. Rg5 Kb6 45. Nf4 Rg1 46. Nxd5+ $2 {[#]} (46. Kd4 Kc6 47. Rg6) 46... exd5 47. Rxd5 c3 48. Kd4 {Precision: White = 48%, Black = 76%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Olsen, Filip Boe"]
[Black "Riff, Jean-Noel"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2330"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,112,0,8,0,4,-5,0,-29,-17,-15,-20,-24,0,0,7,-21,-12,-43,-18,-37,-25,-63,-62,-52,-52,-63,-26,-64,-13,-27,0,0,0,0,0,-58,-56,-72,-48,-47,-17,-82,-79,-144,-127,-129,-126,-139,-146,-467,-462,-451,-435,-370,-353,-317,-253,-263,-47,-100,-121,-95,-29,-24,-37,-57,-57,-57,-57,-57,-55,-81,-60,-63,-72,-81,-81,-81,-81,-92,-85,-94,-94,-91,-91,-94,-91,-86,-85,-100,-100,-708,-693,-29974,-29974,-29970,-29970]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Na6 {LiveBook: 43 Games. E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} 10. O-O Nc7 11. b4 (11. f3 Re8 12. Bc2 c5 13. Kh1 Ne6 14. dxc5 Nxf4 15. exf4 Bxc5 16. b4 Bb6 17. Bb2 {0-1 (29) Mchedlishvili,M (2603)-Cheparinov,I (2710) Riadh 2017}) 11... Bd6 {The position is equal.} 12. b5 $146 (12. Bd2 {looks sharper.} Re8 13. f3 Ne6 14. Nxe6 Rxe6 15. Qc2) ({Predecessor:} 12. Rb1 Ne6 13. Nxe6 Bxe6 14. Qc2 Rc8 15. f3 Re8 16. Ne2 b6 17. Bd2 {1-0 (35) Hauser,D (2272)-Latas,P (2106) ICCF email 2013}) 12... cxb5 13. Nxb5 Nxb5 14. Bxb5 Bxf4 (14... Bf5 {keeps more tension.} 15. Ba4 Rc8 16. Bd2 a5 17. Bb3 Qb6) 15. exf4 Bf5 16. Bd3 Qd7 17. f3 Rac8 18. Rb1 b6 19. g4 Bxd3 20. Qxd3 Rc4 21. Bd2 Rfc8 22. Rfe1 Qa4 (22... Ne8 $15) 23. Rb4 $11 Rxb4 24. axb4 h6 25. Kf2 Qa2 26. Re2 (26. Re7 $11) 26... Qc4 $1 $36 {[%cal Rc4d3][%mdl 2048] Black is more active.} 27. Re3 Qxd3 28. Rxd3 $17 {[%mdl 4096] Endgame KRB-KRN} Ne8 29. f5 (29. Re3 $1 $11) 29... Nd6 30. f6 (30. Re3 $142) 30... Rc2 (30... gxf6 31. Bxh6 Rc4 32. Bf4 $11) 31. Kg3 Nc4 ({Don't play} 31... gxf6 32. Bf4 $15) 32. Bf4 g5 ({But not} 32... gxf6 33. Rd1 $15) 33. Bb8 $2 {[%mdl 8192]} (33. Bc7 $17 {is more resistant.}) 33... a5 $19 34. bxa5 bxa5 {[%cal Bb6a5,Ba5a4][%mdl 32]} 35. Ba7 a4 36. Bc5 Nd2 {( -> ...Nf1+)} 37. Bd6 Nf1+ $2 (37... Kh7 $19 {is more deadly. Strongly threatening ...Ra2.} 38. h4 Kg6) 38. Kh3 $17 {[#]} Kh7 $1 39. Ra3 Nd2 ({Black should try} 39... Rc4 $17 {Hoping for ...Nd2.} 40. Rd3 Rc6) 40. Rxa4 $11 Nxf3 41. Ra5 Nxd4 42. Rxd5 Ne6 43. Rf5 Kg6 44. Rf3 Rd2 45. Be5 Re2 46. Bb8 Nc5 47. Ba7 Ne4 48. Bd4 Rd2 49. Bc3 Rc2 50. Bd4 h5 51. gxh5+ Kxh5 {[%csl Gh5][%cal Rg5g4]} 52. Rf5 Rd2 53. Ba1 Rd1 54. Bb2 $2 {[%mdl 8192]} (54. Ra5 $17) 54... Nd6 $19 55. Rf2 {[#]} Rg1 $1 {[%csl Gg1,Gh5][%cal Rg5g4]} 56. Rg2 g4+ {Precision: White = 38%, Black = 53%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Kuraszkiewicz, Michael"]
[Black "Poetsch, Hagen"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2326"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,126,23,23,11,38,37,82,70,70,-66,-53,-61,-54,-61,-61,-107,-104,-105,-105,-105,-100,-101,-103,-126,-118,-130,-131,-130,-114,-103,-102,-100,-102,-103,-96,-96,-100,-107,-58,-62,-45,-52,0,-64,-63,-87,-81,-86,-79,-86,-90,-92,-73,-73,-36,-36,-39,-47,-47,-53,-56,-51,-50,-55,-55,-55,-54,-79,-93,-93,-77,-72,-62,-148,-147,-141,-145,-137,-92,-86,-55,-118,-111,-254,-232,-254,-253,-395,-387,-387,-381,-385,-381,-372,-365,-351,-320,-356,-301,-284,0,-352,-351,-470,-463,-1238,-1015,-5129,-5160,-4590,-3585,-806,-745]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7} 8. Bg5 Ba6 {LiveBook: 6 Games} 9. Nbd2 Nc6 $146 {The position is equal.} ({Predecessor:} 9... Nd5 10. Bxe7 Qxe7 11. Nxc4 Nd7 12. Rac1 c5 13. Qa4 Bb7 14. Qa3 N5f6 15. Rfd1 {½-½ (72) Aronian,L (2792)-Fressinet,L (2687) Paris 2016}) 10. Nxc4 Nxd4 11. Nxd4 Qxd4 12. Rac1 (12. Bxa8 $14 Rxa8 13. Rac1) 12... Rac8 13. Qa4 Bxc4 $1 14. Rxc4 Qxb2 15. Qxa7 Qxe2 16. Rxc7 Rxc7 17. Qxc7 Bc5 {Strongly threatening ...Ng4.} 18. Bxf6 gxf6 19. Qf4 Kg7 20. a4 Rd8 $1 21. Bf3 Qc2 22. Qg4+ Kf8 23. Qf4 Ke7 24. Bh5 Rd4 25. Qc7+ Rd7 26. Qf4 Bd4 27. Bd1 Qd3 28. Bh5 Qc2 29. Bd1 $1 {[%cal Rd1c2]} Qa2 30. Kg2 Bc5 31. Bh5 Qd5+ 32. Bf3 Qd4 33. Qh6 Qxa4 34. Qxh7 Qa2 {White must now prevent ...Rd2.} 35. Bh5 $1 e5 36. Qf5 Qe6 37. Qc2 Ra7 38. Qe4 f5 39. Qh4+ Qf6 40. Qc4 $1 Qc6+ 41. Kh3 Qe6 42. Qh4+ Qf6 43. Qc4 Ra8 {Hoping for ...Rh8.} 44. f3 (44. Kg2 $15) 44... Rh8 $36 {[%mdl 2048] Keeping White busy.} 45. g4 Qe6 46. Qxe6+ Kxe6 {[%mdl 4096] Endgame KRB-KRB} 47. Kg2 f4 {[%cal Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 48. Ra1 ({White has to play} 48. h4 $1 $15) 48... Rd8 49. h4 (49. Ra2 $17 {was called for.}) 49... Rd2+ $19 50. Kh3 Rd3 51. Kg2 {[#]} (51. g5 $142 e4 52. Ra4) 51... e4 $1 {[%mdl 512]} 52. fxe4 {[#]} f3+ $1 53. Kg3 f2+ 54. Kg2 Re3 {( -> ...Re1)} 55. Rf1 Rxe4 56. Kf3 Re1 57. Kg2 Re4 58. Kf3 $1 {[%cal Rf3e4]} Ke5 59. Kg2 f6 {Black is clearly winning.} 60. Kf3 (60. g5 $142 Rxh4 61. Be2) 60... Re1 61. Kg2 Kf4 62. Bf7 Kxg4 63. h5 Re3 {Precision: White = 59%, Black = 76%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Videnova, Iva"]
[Black "Kuipers, Stefan"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2323"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,0,9,-24,-14,-66,4,-4,6,6,28,16,62,55,78,61,62,47,43,38,32,21,22,28,50,37,53,39,40,45,38,41,92,104,105,101,156,156,340,18,22,0,15,0,63,0,82,68,64,66,46,8,8,8,8,8,11,11,20,-13,0,-477,-483,-615,-544]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bd3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Qb6 11. Bf2 h6 {LiveBook: 23 Games} 12. h4 $146 {The position is equal.} ({Predecessor:} 12. O-O O-O 13. Rae1 Ra7 14. f5 Bxf2+ 15. Rxf2 d4 16. Ne4 exf5 17. Ng3 f6 {½-½ (56) Yu,Y (2749)-Vitiugov,N (2720) Khanty-Mansiysk 2017}) 12... Bb7 13. h5 ({Better is} 13. O-O $11) 13... Bxf2+ (13... O-O $15) 14. Qxf2 $11 Qxf2+ 15. Kxf2 Nc5 16. a3 b4 17. Ne2 b3 18. Ned4 Na5 19. Ke2 Ke7 20. Nd2 {[%cal Rd2b3]} bxc2 21. Bxc2 Nc6 22. N2f3 a5 23. Nxc6+ Bxc6 24. Nd4 $36 {[%mdl 2048] White is pushing.} Rhc8 25. b4 Nd7 26. Bd3 Nb6 (26... Bb7 $14) 27. Rhc1 $16 Be8 28. Rxc8 Nxc8 (28... Rxc8 $142 29. bxa5 Nc4) 29. b5 f5 $2 (29... Bd7 $16 30. Rc1 Kd8) 30. exf6+ $2 (30. Rc1 $18) 30... gxf6 $11 {[%cal Bg7f6,Bf6e5,Be5e4,Be4e3][%mdl 32]} 31. Kd2 {aiming for Re1.} Kd6 32. Rc1 Ne7 ({Black should play} 32... Nb6 $11) 33. a4 (33. g4 $14) 33... Bd7 {[#]} (33... Nc8 $1 $11) 34. Nb3 $1 $16 e5 35. fxe5+ fxe5 36. Rf1 {Strongly threatening Rf6+.} e4 37. Be2 {Rf6+ is the strong threat.} Nf5 $1 38. g4 Ng3 39. Rf6+ Ke5 40. Ra6 Rc8 {And now ...e3+! would win.} 41. b6 $2 {[%mdl 8192] [#]} (41. Nxa5 $11 {and White stays safe.} Nxe2 42. Kxe2) 41... e3+ $1 $19 {[%mdl 512]} 42. Kd3 {Hoping for b7.} (42. Kxe3 Rc3+) 42... Ne4 {Precision: White = 34%, Black = 27%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Grigorian, Spartak"]
[Black "Firat, Burak"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2321"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,58,0,1,-6,-9,-36,-12,-159,-165,-252,-247,-318,-310,-329,-301,-399,-374,-562,-568,-533,-300,-275,-256,-254,-270,-589,-355,-421,-412,-1065,-1049,-1185,-1224,-2233,-2099,-766,-1814,-2083,-2044]} 1. Nf3 c5 2. b3 d6 3. c4 Nf6 4. Bb2 Nbd7 5. g3 b6 6. Bg2 Bb7 7. O-O g6 8. d4 cxd4 9. Qxd4 Bg7 10. Nc3 O-O 11. Qh4 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (11. Qd2 a6 12. Rfd1 Rc8 13. Rac1 Re8 14. Ne1 Qc7 15. Nd5 Qb8 16. Bh3 Ne4 17. Qc2 Bxb2 18. Qxb2 e6 {½-½ (41) Svidler,P (2760)-Gelfand,B (2695) Moscow 2018}) 11... Rc8 {LiveBook: 4 Games} 12. Rad1 a6 13. g4 {[#] The position is equal.} b5 $146 {[%cal Bb6b5,Bb5c4,Bc4c3][%mdl 32]} ({Predecessor:} 13... Rc5 14. Ba3 Rc7 15. Rd3 Nc5 16. Re3 Ne6 17. Rd1 Nf4 18. Bf1 Qa8 19. Bc1 b5 20. Qg3 Ne6 21. cxb5 Rxc3 {0-1 (21) El Adnani,M (2448)-Akobian,V (2647) Riadh 2017}) 14. Nd5 (14. cxb5 $11 Qa5 15. bxa6 Qxa6 16. Rfe1) 14... bxc4 $17 15. Ng5 (15. Bxf6 $142 Nxf6 16. Nxf6+ Bxf6 17. g5) 15... Bxd5 $19 16. Bxd5 c3 17. Bc1 h6 18. Nh3 g5 19. Nxg5 (19. Qg3 $142) 19... hxg5 20. Bxg5 Ne5 {Strongly threatening ...c2.} 21. Bxf6 Bxf6 22. g5 {[#]} Bg7 $1 (22... Ng6 23. Qh6 $17) 23. Rd3 $2 (23. Be4 {is more resistant.} Ng6 24. Qh5) 23... e6 24. Rh3 {[%csl Gh3][%cal Rh4h7]} Re8 25. f4 (25. Be4 $142) 25... c2 {Black is clearly winning.} 26. Bc4 Nxc4 27. f5 exf5 28. Qh7+ Kf8 29. Qxf5 Ne5 {Precision: White =  8%, Black = 62%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "4"]
[White "Pfrommer, Christoph"]
[Black "Inkiov, Ventzislav"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2313"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,31,35,65,57,60,52,47,50,58,58,50,39,58,54,54,0,38,0,17,0,0,-15,0,0,0,0,27,23,54,57,65,-288,-289,-315,-289,-308,-295,-1037,-1040,-1402,-1385,-1415,-1408,-1556,-1158]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 Qb6 5. Bc1 e6 6. f3 Nf6 7. e4 {A45: Trompowsky Attack} (7. c4 exd5 8. cxd5 c4 9. e3 Bc5 10. Kf2 O-O 11. Bxc4 Re8 12. Qb3 Qd8 13. Ne2 d6 14. Nbc3 a6 15. a4 Nbd7 16. Ng3 {0-1 (71) Georgiev,K (2626)-Grischuk,A (2705) Mainz 2004}) 7... exd5 8. exd5 d6 9. c4 {LiveBook: 20 Games. White is slightly better.} Bf5 10. Nc3 Nbd7 11. Nge2 h5 $146 ({Find the theoretical novelty and annotate with similar games:} 11... h6 12. Ng3 Bg6 13. Be2 Be7 14. O-O O-O 15. f4 Rfe8 16. b3 {0-1 (38) Smirnov,A (2444)-Heimrath,R (2299) Bad Wiessee 2011}) 12. Ng3 Bg6 13. Bd3 Bxd3 $1 14. Qxd3 Ne5 15. Qe2 {[#] Strongly threatening f4.} O-O-O 16. f4 (16. b3 $1 $14) 16... Re8 17. O-O (17. fxe5 {NOTEXT} Rxe5 18. Be3 Ng4 19. Nge4 Nxe3 20. Qxe3 f5 21. O-O) 17... Ned7 18. Qf3 g6 19. Kh1 Bg7 20. Rb1 Ng4 21. Nge4 a6 22. Bd2 Bd4 23. b4 f5 24. bxc5 $2 {[%mdl 8192] [#]} (24. Ng5 $14 {keeps the upper hand.}) 24... fxe4 $19 25. Nxe4 ({Much worse is} 25. Rxb6 exf3 26. Rxd6 Nf2+ 27. Rxf2 Bxf2 $19) 25... Nxc5 {[%cal Bd7c5,Bc5e4,Be4d2][%mdl 32]} 26. Rxb6 Nxe4 27. Rxa6 $2 (27. Rc6+ bxc6 28. Be1) 27... Nxd2 {Black is clearly winning.} (27... bxa6 $2 28. Be1 $19) 28. Ra8+ Kc7 29. Rxe8 Rxe8 ({Less strong is} 29... Nxf3 30. Rxh8 Nd2 31. Rh7+ Kb6 32. h3 $15 (32. Re1 $2 Nf2+ 33. Kg1 Nd3+ 34. Kh1 Nxe1 $19)) 30. Qd3 Nf2+ {Precision: White = 40%, Black = 58%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Rapport, Richard"]
[Black "Lagarde, Maxime"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2715"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,112,34,8,21,4,39,28,43,26,43,29,30,32,40,50,66,24,47,14,31,0,0,0,0,0,0,0,0,0,8,6,5,0,0,0,0,-18,26,12,54,54,54,54,54,54,54,54,54,51,44,26,30,30,31,22,47,41,33,8,8,8,8,8,8,8,8,8,31,0,12,12,12,8,8,8,8,8,8,0,0,0,0,1,7,2,8,8,8,8,8]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 6. Nc3 d6 7. d4 cxd4 8. Qxd4 e5 9. Qd3 h6 10. Nd2 Nf6 11. Nc4 Be6 12. Ne3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} Rc8 13. a4 {LiveBook: 4 Games} (13. O-O Be7 14. Rd1 O-O 15. Bd2 Rc5 16. a4 Qc8 {½-½ (31) Anand,V (2783)-Kasparov,G (2812) Saint Louis 2017}) 13... Qb6 14. O-O Be7 15. Rd1 O-O 16. Bd2 $146 {[%cal Bc1d2,Bd2e1,Be1f2][%mdl 32]} ({Predecessor:} 16. Ncd5 Bxd5 17. exd5 Nd7 18. Nf5 Bf6 19. a5 {1-0 (30) Simeoni,M-Vannelli,V Vitinia 1997}) 16... Qd4 17. Be1 Qxd3 18. Rxd3 Rc5 19. f3 Rfc8 20. Bf2 Kf8 21. Rd2 Nd7 22. Ncd1 g6 23. b3 b5 24. axb5 axb5 25. Ra2 R5c6 26. g4 Bg5 27. h4 Bf4 28. Re2 Nb6 29. Ra5 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 30. Rxb5 {[%cal Re4d5]} d4 (30... dxe4 {is interesting.} 31. fxe4 Nd7 32. Be1 Nf6 33. Nf2 Bxe3 34. Rxe3 Rxc2 35. g5 hxg5 36. hxg5 Nd7) 31. Ng2 Rxc2 (31... g5 {feels hotter.} 32. Nxf4 gxf4 33. c3 dxc3 34. Rc2 Nd7) 32. Rxc2 Rxc2 33. Nxf4 exf4 34. Bxd4 Rc1 35. Bxb6 Rxd1+ $14 {[%mdl 4096] Endgame KRB-KRB} 36. Kg2 Rd2+ 37. Bf2 Rd3 38. b4 Bb3 39. Bc5+ Ke8 40. Rb8+ Kd7 $1 41. b5 Bd1 42. Rb7+ Kc8 43. Rxf7 Bxf3+ 44. Kf2 {[#] And now Rf8+ would win.} g5 $1 45. Rf8+ Kb7 46. Rf7+ Kc8 {The position is equal.} 47. hxg5 hxg5 48. Rf5 Bxg4 49. Rxg5 Rd2+ 50. Kg1 Bf3 51. e5 Bd5 52. Rf5 Rg2+ 53. Kf1 {[#] aiming for e6.} Rc2 54. Bd4 Bc4+ 55. Kg1 Bxb5 56. Rxf4 Bc4 {Precision: White = 68%, Black = 67%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Andreikin, Dmitry"]
[Black "Lubbe, Nikolas"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2712"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,111,34,2,28,7,37,43,50,40,52,47,56,46,63,57,61,61,66,16,54,55,67,51,75,72,62,62,70,64,67,65,66,58,58,63,71,50,37,22,22,18,25,18,26,25,62,70,203,215,295,284,289,299,405,402,458,454,431,425,419,291,291,294,283,288,298,284,282,287,296,295,268,211,317,308,345,345,425,429,427,419,410,366,342,335,332,329,272,202,646,635,748,745,742,724,29986,29987,29987,29988,29988,29989,29989,29990]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 {LiveBook: 43 Games} h6 {B33: Sicilian: Pelikan and Sveshnikov Variations} (6... d6 7. g3 Be6 8. Bg2 Be7 9. h3 O-O 10. Be3 Rc8 11. Qd2 a6 12. g4 b5 13. g5 Nd7 14. h4 Nc5 15. Nd5 Bxd5 16. exd5 {1-0 (39) Andreikin,D (2706)-Wan,Y (2492) China 2017}) 7. Ng3 d6 8. Bc4 Bg4 {White is slightly better.} 9. Qd3 $146 ({Predecessor:} 9. f3 Be6 10. Bb3 a6 11. Be3 Na5 12. Bd5 Rc8 13. Qd3 Nc4 14. O-O-O Bxd5 15. exd5 {0-1 (21) Iwanesko,A (2062)-Gozzoli,Y (2502) Saint Affrique 2008}) 9... Rc8 10. a3 Be6 11. O-O Be7 12. Nd5 O-O 13. Ba2 Re8 14. Nf5 Bf8 15. Nfe3 Nd7 16. b4 Nb6 17. Rd1 Nd4 18. Nxb6 Qxb6 19. Bb2 Bxa2 20. Rxa2 Ne6 {[%cal Bd4e6,Be6f4,Bf4h3][%mdl 32]} 21. c4 Nf4 22. Qb1 Qd8 23. g3 Qg5 24. h4 Qh5 25. Rd2 Nh3+ 26. Kg2 Nf4+ $1 27. Kh2 (27. gxf4 exf4 28. Nf5 g6) 27... Qf3 28. gxf4 exf4 (28... Qxf4+ $14 29. Kg2 Re6) 29. Qd1 $1 $18 {[%cal Rd1f3]} Qxe4 30. Rd4 {[%cal Bd2d4,Bd4f4,Bf4g4][%mdl 32]} Qe5 31. Nd5 f3+ 32. Rf4 Qe2 33. Qg1 Re6 {Threatening ...Rg6.} 34. Rg4 {[%cal Rg4g7]} Rg6 35. Nf6+ Kh8 36. Rxg6 fxg6 37. Bd4 $1 Qd3 38. Rd2 (38. Qg4 Rc7 $16) 38... Qf5 39. Nd5 Rxc4 {...Kh7 is the strong threat.} 40. Qg3 {Black must now prevent Ne3.} Rc1 41. Ne3 Qf7 (41... Qh5 $142 42. Qg4 (42. Bxa7 Be7 $14) 42... Qxg4 43. Nxg4 h5) 42. Bxa7 g5 43. Rd5 gxh4 44. Qg4 ({Weaker is} 44. Qxh4 Be7 $18) 44... g6 45. Qxh4 Kh7 46. Bd4 Be7 47. Qe4 Bg5 {[#]} 48. Rxg5 $1 hxg5 {[#]} 49. Nd5 $1 {Strongly threatening Nf6+.} Kh6 $2 (49... Rc4 50. Kg3 b5) 50. Be3 Rd1 51. Qh4+ Kg7 52. Bd4+ Kf8 53. Qh8+ {White mates.} Qg8 54. Qf6+ Qf7 55. Qd8+ Qe8 56. Qxd6+ {Precision: White = 89%, Black = 50%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Van Wely, Loek"]
[Black "Inkiov, Ventzislav"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2667"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,65,29,30,52,62,68,56,149,140,221,226,235,237,248,237,281,281,281,281,281,281,281,281,281,292,333,321,501,485,502,495,1047,1039,1124,1124]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 12. Nfd4 {[%cal Bf3d4,Bd4b5,Bb5d6][%mdl 32]} Bd7 13. c4 {E04: Open Catalan: 5 Nf3} Rfd8 14. Bb2 Rac8 15. Nb5 Be8 16. c5 Rxd1+ 17. Rxd1 {[#] LiveBook: 3 Games} a6 $146 ({Predecessor:} 17... Nd8 18. Nd6 Bxd6 19. cxd6 Ba4 20. Rd2 Nd7 {0-1 (37) Caruana,F (2711)-Svidler,P (2739) Khanty-Mansiysk 2011}) 18. Nd6 Rd8 19. Rd2 Rb8 (19... Bxd6 $1 $14 20. cxd6 b6) 20. Bxf6 $16 gxf6 (20... Bxf6 $16 {keeps fighting.} 21. Nxe8 Rxe8) 21. Nxe8 $18 Rxe8 22. Rd7 Kf8 23. Rxb7 Rc8 {[#]} 24. Bxc6 $1 Rxc6 {[%mdl 4096] Endgame KRB-KRN} 25. Rb8+ Kg7 26. Rb6 Rc8 27. c6 ({Don't do} 27. Rxa6 $6 Bxc5 28. Nxc5 Rxc5 $18) 27... a5 28. Ra6 ({Don't take} 28. Nxa5 $6 Bd8 $16) 28... Bd8 29. Nd4 Rb8 (29... Bc7 {was worth a try.} 30. e4 Kg6) 30. Ra7 {White is clearly winning.} Rb1+ 31. Kg2 {[#] Black must now prevent Nxe6+.} Bb6 (31... Kg6 $142 32. c7 Bxc7 33. Rxc7 h6) 32. Nxe6+ Kh6 33. Rxf7 {Precision: White = 97%, Black = 18%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Shirov, Alexei"]
[Black "Flick, Antoine"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2651"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,26,24,25,33,26,27,24,35,23,39,29,39,46,35,0,54,41,33,0,4,-64,20,17,48,43,56,44,46,33,156,164,280,287,319,316,316,322,287,139,325,302,356,360,454,221,2024,1984]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 {[%cal Bd4b5,Bb5a3,Ba3c2,Bc2e3][%mdl 32]} d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Nc2 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (10. Bd3 Be6 11. Qh5+ Bf7 12. Qh3 Nf6 13. O-O Nd4 14. Be3 Be6 15. Qh4 Nf5 16. Bxf5 Bxf5 17. Rad1 Qc8 18. c5 dxc5 {0-1 (61) Kasimdzhanov,R (2693)-Naiditsch,A (2706) Poznan 2014}) 10... Nf6 11. Ne3 Be6 12. g3 {White has an edge.} O-O 13. Bg2 Kh8 14. O-O Rc8 15. b3 b5 16. Ncd5 $146 ({Predecessor:} 16. cxb5 axb5 17. Nxb5 d5 {0-1 (54) Diu,V (2468)-Belous,V (2586) Vladivostok 2014}) 16... Nd4 (16... bxc4 $11 17. bxc4 Nd4) 17. Bb2 Nxd5 18. cxd5 Bd7 19. Qd3 (19. f4 $11) 19... Qe8 (19... Nf3+ $15 20. Bxf3 Rxf3) 20. f4 $11 Qh5 21. Rae1 Bf6 22. fxe5 dxe5 23. d6 Qh6 (23... Be6 $14) 24. Nd5 $16 Bg5 {[#]} (24... b4 $142) 25. h4 $1 $18 ({Not} 25. Rxe5 Nc6 $16) 25... Bd2 26. Rxf8+ ({Don't play} 26. Rxe5 $6 Nc6 $18) 26... Rxf8 27. Rxe5 Nc6 {[#]} 28. Re2 $40 {[%mdl 128] White wants a kill.} (28. Re7 $1 $18 {[%cal Re7g7] and the rest is easy.} Nxe7 29. dxe7) 28... Ba5 $2 (28... Bc1 $16 29. Bc3 Qxd6) 29. Nc7 Bb6+ 30. Kh2 {And now Re7! would win.} Bc5 31. Re7 (31. Bh3 $142 Bxh3 32. Kxh3 Qxd6 33. Qxd6 Bxd6 34. Ne8) 31... Nb4 $2 (31... Nxe7 32. dxe7 Bxe7) 32. Qc3 {Precision: White = 54%, Black = 23%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Gordievsky, Dmitry"]
[Black "Grinberg, Eyal"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2630"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,46,29,14,46,0,0,0,0,0,0,0,0,0,0,-38,0,0,0,0,95,76,133,132,155,137,199]} 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 c5 8. Nc3 {A11: English Opening: 1...c6} Bc6 9. O-O e6 10. Re1 (10. Qc2 Be7 11. Rd1 O-O 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Nbd7 15. Bg5 {½-½ (15) Svidler,P (2765)-Karjakin,S (2760) Riadh 2017}) 10... Be7 11. e4 {[%cal Be2e4,Be4e5][%mdl 32]} O-O 12. d4 {LiveBook: 10 Games} Re8 13. e5 $146 ({Find the theoretical novelty and annotate with similar games:} 13. h3 b5 14. d5 exd5 15. exd5 Nxd5 {1-0 (49) Schwander,L (2135)-Leutwyler,M (2188) Basel 2018}) 13... Nd5 14. Ne4 Nd7 15. Bg5 Qb6 16. Bxe7 Rxe7 17. Qd2 cxd4 18. a3 Rd8 (18... Ne3 $5 19. fxe3 Bxe4 20. exd4 Bc6 $11) 19. Rac1 {[#]} d3 $1 {[%mdl 512]} 20. b4 (20. Qxd3 Qxb2) 20... f5 (20... Bb5 $11 {keeps the balance.}) 21. Nd6 $16 a6 {[#]} (21... Nc7 $142) 22. Nc4 $1 {[%cal Rc4b6]} Qa7 23. Qxd3 Bb5 {[%mdl 32768] Precision: White = 76%, Black = 50%. . Loss on Time!?} (23... N5b6 $16) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Kozul, Zdenko"]
[Black "Heimann, Andreas"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2617"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,67,6,4,0,0,0,12,7,3,1,14,14,9,8,8,11,17,11,37,29,22,21,26,20,33,16,37,5,5,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qd1 {E05: Open Catalan: 5 Nf3 Be7} (12. Qc1 h6 13. Bxf6 Bxf6 14. Rd1 a5 15. Nbd2 Bxf3 16. Bxf3 c6 17. Nb3 Na6 18. h4 Qb6 19. Qc4 Rfd8 20. e3 Be7 {½-½ (31) Markus,R (2617)-Berkes,F (2658) Budapest 2017}) 12... c5 13. dxc5 Bxc5 14. Nbd2 Bc6 15. Nb3 Be7 16. Qxd8 Rxd8 {LiveBook: 11 Games} 17. Ne5 Bxg2 18. Kxg2 Nbd7 $146 ({Predecessor:} 18... h6 19. Bxf6 Bxf6 20. Nd3 Nc6 21. Rac1 g6 22. Rc2 {½-½ (22) Kudr,R (2247)-Tocklin,T (2277) ICCF email 2017}) 19. Nxd7 Rxd7 20. Rfc1 Nd5 21. Bxe7 Nxe7 22. Rc4 Rc8 23. Rxc8+ Nxc8 $11 {[%mdl 4096] Endgame KRN-KRN} 24. Rc1 Na7 (24... Ne7 {is interesting.} 25. a5 g5 26. Nc5 Rc7 27. Rc4 h5) 25. Nc5 Rc7 $1 26. a5 f6 27. f4 Kf7 28. b4 Nc8 29. Kf3 Ne7 {The position is equal.} 30. Nd3 Rxc1 31. Nxc1 Nc6 32. Nd3 Ke7 33. Nc5 Nxb4 34. Nxb7 {Precision: White = 50%, Black = 71%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Landa, Konstantin"]
[Black "Coenen, Michael"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2613"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,73,8,7,14,0,19,21,24,0,0,0,77,90,87,81,116,110,119,114,113,101,106,106,96,105,128,125,130,123,133,134,139,137,138,133,138,135,168,168,168,168,168,170,209,212,206,195,514,502,477,285,287,273,306,297,429,423,613,603]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 b6 7. c4 Bb7 8. cxd5 exd5 9. d4 Re8 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (9... Nbd7 10. Nc3 Re8 11. Rc1 Bf8 12. Qc2 a6 13. Rfd1 Rc8 14. e3 Qe7 15. Ne5 Qe6 16. Ne2 c6 17. Nf4 Qd6 18. Bh3 Rc7 19. b4 {½-½ (39) Leko,P (2691)-Bacrot,E (2725) Riadh 2017}) 10. Ne5 c5 11. dxc5 $146 ({Predecessor:} 11. Nd2 Na6 12. Rc1 Rc8 13. Nd3 Rc7 14. e3 h6 15. Nf4 cxd4 16. Rxc7 Nxc7 17. Bxd4 Ba6 18. Re1 {1-0 (51) Nikolaidis,I (2531)-Makropoulou,M (2313) Korinthos 2001}) 11... bxc5 {The position is equal.} 12. Nc3 Nbd7 13. Nc4 {[%cal Rc3d5]} dxc4 (13... Nb6 $11) 14. Bxb7 $16 Rb8 15. Ba6 Nb6 16. Bb5 Qxd1 17. Rfxd1 Red8 18. Rxd8+ Bxd8 19. Nd1 cxb3 20. axb3 a5 21. Be5 Ra8 22. Ne3 {[#] Strongly threatening Bc6.} Nbd7 23. Bc3 Nf8 24. Nc4 Ne6 25. e3 Rb8 {[#]} 26. Ba4 $1 Ra8 27. Bc6 Ra6 28. Bg2 h5 29. h4 g5 30. hxg5 Nxg5 31. Rd1 Bc7 $2 (31... Be7 {is more resistant.} 32. Ra1 Bd8) 32. Bxf6 $18 Rxf6 33. Rd5 (33. Rd7 $142) 33... Ne6 34. Rxh5 Kg7 35. Rd5 Rh6 (35... Bb8 $142 36. Bh3 Rg6 37. Bxe6 Rxe6 38. Rxc5 Ra6 39. Rxa5 Rxa5) 36. Rd7 Bd8 (36... Kg8 $142 37. f4 Kg7) 37. Bd5 {Precision: White = 81%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Papp, Gabor"]
[Black "Hess, Max"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2604"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,77,59,41,56,48,99,99,93,100,101,102,105,100,120,106,116,112,115,120,156,140,187,180,175,168,191,181,206,212,214,133,131,162,250,258,421,422,401,429,410,307,431,407,448,400,622,619,600,380,366,380,847,870,29981,29981,29988,29986,29986,29987,29992,29978]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. f4 d6 9. Qf3 Bd7 {B82: Sicilian Scheveningen: 6 f4} (9... Nxd4 10. Bxd4 b5 11. Bd3 Bb7 12. Bxf6 gxf6 13. f5 Be7 14. O-O Qc5+ 15. Kh1 h5 16. fxe6 fxe6 17. a4 {1-0 (32) Grischuk,A (2783)-Cori Tello,J (2641) Tbilisi 2017}) 10. O-O-O {LiveBook: 3 Games} h5 $146 ({Predecessor:} 10... Rc8 11. Nb3 b5 12. g4 h6 13. h4 b4 14. axb4 Nxb4 15. Qe2 Nxg4 16. Qxg4 Na2+ 17. Kd2 Nxc3 18. bxc3 Qxc3+ {1-0 (55) Wieczorek,O (2465)-Sokolov,A (2517) Germany 2017}) 11. h3 Nxd4 (11... Rb8 $14) 12. Bxd4 $16 Bc6 13. Bd3 h4 14. Rhe1 O-O-O 15. Qf2 {Black must now prevent Bb6.} Nd7 16. Bc4 b5 17. Ba2 Re8 18. Kb1 Rh6 19. f5 Ne5 20. Be3 Rh8 21. Rd4 Kb8 22. Red1 g6 23. a4 gxf5 24. axb5 axb5 25. exf5 Rg8 (25... Kb7 $142) 26. Ne4 $18 (26. Rxh4 Rxg2 27. Qf1 (27. Nxb5 $2 Qb7 $19) 27... Rg3 $14) 26... Bxe4 $2 {[#]} (26... Kb7 {might work better.}) 27. Rxe4 Qc6 28. Qe2 Ka8 29. Bg1 Re7 (29... Kb8 $142 30. Bb3 Rg5 31. fxe6 (31. Rxh4 Rxg2 32. Qf1 Rg5 $16) 31... fxe6) 30. Bb3 Bh6 31. Qe1 Kb8 (31... Rc8 $142 32. Rxh4 Bf8 33. fxe6 fxe6) 32. fxe6 fxe6 33. Rxe5 dxe5 34. Qxe5+ Rc7 $2 {[#]} (34... Kb7 35. Bd5 exd5 36. Qxe7+ Kc8) 35. Rd6 Rg5 36. Qxe6 {White mates.} Rxg2 37. Rxc6 Rxg1+ 38. Ka2 Ra7+ 39. Ra6 {Precision: White = 78%, Black = 37%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Sumets, Andrey"]
[Black "Eden, James"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2590"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,80,60,80,81,138,138,126,110,150,125,111,113,112,117,121,94,114,95,91,79,136,133,221,218,208,216,220,220,266,281,277,274,370,364,1018,1018,1163,531,1555,1514,3060]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 {LiveBook: 11 Games} a5 {[#] E98: King's Indian: Classical Main Line: 9 Ne1} 14. c5 $1 Nf6 (14... dxc5 $142 15. Bxc5 Nd6) 15. cxd6 $16 cxd6 {White is clearly better.} 16. Rc1 Rf7 17. Nb5 {And now Nc7 would win.} Ng6 18. Qc2 {Strongly threatening Nc7.} Ne8 19. Na3 $146 ({Predecessor:} 19. Na7 Bd7 20. Bb5 g4 21. Bxd7 Qxd7 22. Bb6 {1-0 (31) Fang,J (2319)-Hallinan,M Parsippany 2001}) 19... h5 20. Nc4 g4 {[%cal Bg5g4,Bg4g3][%mdl 32]} 21. Kh1 g3 22. Bg1 Rc7 (22... Rb8 $142) 23. Qd2 Rc5 (23... Bd7 $16) 24. Nd3 $18 b6 25. b4 (25. Bxc5 $6 bxc5 26. h3 Qh4 $16) 25... axb4 26. Qxb4 (26. Nxc5 bxc5 27. Ra1 h4 $11) 26... Nh4 {[#] intending ...Nxg2.} 27. Rfd1 $1 (27. Bxc5 $6 bxc5 28. Qb6 Qe7 $16) (27. Nxc5 Bh3 $17) (27. Qxb6 Rc7 $16) 27... Nxg2 28. Kxg2 (28. Bxc5 $2 {too greedy.} bxc5 29. Qxc5 (29. Qb5 $2 Qh4 $19) 29... dxc5 $19) (28. Nxc5 bxc5 29. Qb6 Qd7 $11) (28. Nxb6 Qh4 $14) 28... Qd7 {( -> ...Qh3+)} 29. Kh1 h4 $2 (29... Rxa4 30. Qb3 (30. Qxb6 Rcxc4 31. Rxc4 Rxc4 $11) 30... Rcxc4) 30. Nxb6 {White is clearly winning.} (30. Bxc5 {gets mated.} Qh3 31. Kg1 bxc5 32. Qxc5 dxc5 33. hxg3 hxg3 34. Ndxe5 Qh2+ 35. Kf1 Qh1#) 30... Qf7 31. Nxc8 h3 {[%csl Gh3][%cal Rg3g2]} 32. Bxc5 Qg6 {Precision: White = 84%, Black = 45%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Buhmann, Rainer"]
[Black "Perske, Thore"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2588"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,29,37,16,63,60,66,60,78,78,83,75,76,43,81,77,93,43,39,25,39,37,45,45,58,49,172,161,294,294,302,295,625,627,595,576,729,729,725,720]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O Nbd7 8. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] D94: Grünfeld: 4 Nf3 Bg7 5 e3} (8. Qc2 dxc4 9. Bxc4 Nb6 10. Bb3 Nfd5 11. e4 Nc7 12. h3 Be6 13. Be3 Qc8 14. Rfd1 Rd8 15. Ng5 Bc4 16. Ne2 Bxb3 17. Qxb3 {1-0 (42) Svidler,P (2765)-Jobava,B (2690) Riadh 2017}) 8... Re8 {LiveBook: 4 Games} 9. Qb3 {[%cal Rc4d5]} Qb6 $146 ({Predecessor:} 9... e6 10. a5 Ne4 11. Rd1 Nd6 12. c5 Nf5 13. e4 dxe4 14. Nxe4 h6 15. g4 Ne7 {½-½ (54) Gaehwiler,G (2401)-Loetscher,R (2446) Switzerland 2017}) 10. Qa2 {White is slightly better.} e6 11. a5 Qd8 12. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rb8 13. b5 Ne4 14. Bb2 Ndc5 15. Rfc1 Nxc3 16. Rxc3 (16. Bxc3 {is more complex.} Ne4 17. Bb4 e5 18. dxe5 Rxe5 19. Nxe5 Bxe5 20. Be1) 16... Ne4 17. Rc2 cxb5 18. cxb5 Bd7 19. Ne5 Nd6 20. Qb3 Bxe5 ({Black should try} 20... a6 $14) 21. dxe5 $18 Nc4 (21... Nf5 $142 22. g4 Nh4) 22. Bxc4 dxc4 23. Rxc4 {[%cal Bc2c4,Bc4d4,Bd4d2][%mdl 32]} Qg5 $2 {[#]} (23... Rf8 24. Rd4 Qe8) 24. h4 {White is clearly winning.} Qh5 25. Rd4 Red8 26. Rad1 Qe2 27. R4d2 {Precision: White = 83%, Black = 30%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Sadzikowski, Daniel"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2583"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,154,33,51,48,30,26,45,38,46,39,38,37,38,35,56,38,52,26,42,11,10,0,18,0,0,-10,11,7,10,-15,0,0,0,-29,-43,-51,-42,-26,-42,-28,-42,-86,-88,-137,-93,-97,-81,-81,-81,-81,-81,-81,-81,-87,-143,-143,-143,-143,-143,-143,-143,-143,-143,-343,-299,-249,0,-172,0,0,0,0,0,0,0,0,0,-54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. e4 Bg7 3. Nc3 a6 4. f4 d5 (4... b5 5. Nf3 d6 6. Bd3 Nd7 7. e5 c5 8. Be4 Rb8 9. Be3 b4 10. Ne2 Nh6 11. dxc5 Nxc5 12. Bxc5 dxc5 13. Bc6+ Bd7 14. Qd5 Rc8 15. Bxd7+ Qxd7 16. Qxd7+ Kxd7 {1-0 (41) Yu,Y (2760)-Adhiban,B (2655) chess.com INT 2018}) 5. Nxd5 e6 6. Nc3 {B06: Modern Defence} Qxd4 7. Bd3 Nc6 8. Nf3 {White is slightly better.} Qb6 9. Qe2 Nb4 $146 ({Predecessor:} 9... Nge7 10. a3 Bd7 11. e5 Nf5 12. g4 {0-1 (57) Sousa,H (2165)-Gharamian,T (2624) Lisbon 2017}) 10. Be3 Nxd3+ 11. cxd3 Qd6 12. O-O Ne7 13. Rac1 b6 14. Bf2 O-O 15. Bh4 Bb7 16. d4 f5 17. Rfe1 fxe4 18. Nxe4 Qd7 19. Neg5 Nf5 20. Bf2 Bxf3 21. Nxf3 (21. Qxf3 {is interesting.} Nxd4 22. Qh3 Bh8 23. Kh1 Rae8 24. Bxd4 Bxd4 25. Rxe6 Rxe6 26. Qxe6+ Qxe6 27. Nxe6 Bxb2 28. Rxc7 Rf6 29. Rc6) 21... Nxd4 22. Bxd4 Bxd4+ 23. Nxd4 Qxd4+ 24. Kh1 Qxf4 25. g3 Qf7 26. Qe5 Rac8 27. Qxe6 Qxe6 28. Rxe6 Rf2 29. Rxb6 cxb6 {[%cal Rc8c1] [#]} 30. Rxc8+ $17 {[%mdl 4096] Endgame KR-KR} Kg7 31. Rc7+ Kh6 32. Ra7 a5 ({Don't take} 32... Rxb2 33. Rxa6 Kg5 34. Kg1 $15) 33. b4 Rxa2 34. bxa5 bxa5 35. Kg1 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 36. h3 $2 (36. g4 $17) 36... a3 $19 37. h4 {intending g4.} g5 38. hxg5+ $1 Kxg5 $2 (38... Kg6 $19 39. Ra5 Kf7) 39. Ra4 $1 $11 Kf5 40. Rf4+ $1 Ke5 41. Rf3 $1 Ke4 (41... h6 {keeps more tension.} 42. g4 Kd4 43. Kf1 Ke4 44. Rh3 Ke5) 42. Rb3 Kf5 43. Rc3 (43. Re3 $11 Ra1+ 44. Kg2) 43... Kg4 (43... Ke6 $1 $15 44. g4 Ra1+ 45. Kg2 a2) 44. Rb3 {The position is equal.} Kh3 45. g4+ Kxg4 46. Kh1 Kf4 {Strongly threatening ...h5.} 47. Kg1 Ke4 {aiming for ...h5.} 48. Kh1 Kd4 49. Rf3 h5 50. Rb3 Kc4 51. Rf3 Kb4 52. Rf4+ Kc3 53. Rf3+ Kc4 54. Rf4+ Kd3 55. Rf3+ Ke2 56. Rg3 Ra1+ 57. Kg2 h4 58. Rb3 Ra2 59. Kh1 Kd1 60. Rf3 Ke1 {Threatens to win with ...h3!} 61. Rd3 Ra1 62. Kg2 Ke2 63. Rb3 Kd2 64. Rf3 {[#]} h3+ $1 65. Kh2 (65. Rxh3 Ra2) 65... Ke2 66. Rb3 Ra2 {Hoping for ...Kd1+.} 67. Kh1 Ke1 {...Kd2 is the strong threat.} 68. Rd3 Ra1 {( -> ...Ke2+)} 69. Kh2 Ke2 70. Rb3 Kd2 71. Rf3 Kc2 {And now ...Kb2 would win.} 72. Rf2+ Kd3 73. Rf3+ Kc4 {White must now prevent ...Kd4.} 74. Rf4+ Kc5 75. Rf5+ Kd4 76. Rf3 Ra2+ 77. Kh1 Ke5 {Precision: White = 64%, Black = 71%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Heberla, Bartlomiej"]
[Black "Carlstedt, Jonathan"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2570"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,0,20,23,25,0,12,18,16,-4,4,0,0,0,30,35,18,17,27,20,40,31,32,30,27,27,26,0,1,3,1,8,52,61,58,58,74,72,81,80,70,75,66,34,45,39,82,50,115,123,125,90,89,91,116,119,122,108,119,112,109,87,115,100,91,86,83,80,81,82,86,84,90,86,93,30,75,75,70,64,134,63,91,85,85,72,87,72,75,73,71,79,80,66,66,66,66,18,18,9,9,9,9,8,8,8,8,8,8,0,0,0]} 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 a5 {LiveBook: 9 Games} (5... Be7 6. Bg5 h6 7. Bh4 O-O 8. e3 Nbd7 9. Rd1 a6 10. Qc2 b5 11. c5 e5 12. dxe5 Ne8 13. Bg3 Nxc5 14. Nd4 {0-1 (54) Jumabayev,R (2612)-Kasimdzhanov,R (2683) Riadh 2017}) 6. cxd5 {D43: Semi-Slav: 5 Bg5 h6} exd5 7. Bg5 Be7 $146 ({Predecessor:} 7... Nbd7 8. e3 Be7 9. Bd3 O-O 10. O-O Re8 11. Qc2 Nf8 12. Ne5 Ng4 13. Bxe7 Qxe7 14. Nxg4 Bxg4 15. Bf5 Bxf5 16. Qxf5 Rad8 17. Ne2 Rd6 {½-½ (40) Jojua,D (2434)-Corrales Jimenez,F (2513) Yerevan 2007}) 8. e3 Ne4 9. Bf4 a4 10. Qc2 Qa5 {[#] White must now prevent ...a3.} 11. a3 Bf5 {Threatens to win with ...Ng3!} 12. Bd3 Bg6 13. O-O {[%cal Rc3e4]} Nxc3 14. Bxg6 hxg6 15. bxc3 O-O 16. Ne5 Bf6 17. c4 Bxe5 18. dxe5 {next Rab1 is good for White.} Qc5 19. Qb2 {Black should prevent e6.} dxc4 20. Qxb7 Ra7 (20... Na6 {looks sharper.} 21. e6 fxe6 22. Qb2 c3 23. Qa2 Qd5) 21. Qb2 Nd7 22. Rfc1 Re8 {[%cal Rd7e5]} 23. Qd4 Qxd4 24. exd4 c5 25. dxc5 Nxc5 26. Rxc4 Nd3 27. Bg3 g5 28. h4 Ree7 ({Better is} 28... gxh4 $14 29. Rxh4 Raa8) 29. hxg5 $16 Nxe5 30. Re4 Nd3 31. Rd4 Nc5 32. Rad1 Ne6 33. Rh4 Re8 34. Re1 Ra6 35. Ree4 Rc8 36. Rxa4 Rca8 37. Rxa6 Rxa6 {[%mdl 4096] Endgame KRB-KRN} 38. a4 Nc5 39. Rc4 Nxa4 40. Be5 Re6 41. f4 Nb6 42. Rc7 (42. Rd4 $16) 42... Nd5 43. Rd7 Ne3 44. g3 Nc4 (44... Rc6 $14) 45. Bc7 (45. Bd4 $16) 45... Kf8 46. Kf2 Ke8 47. Rd8+ Ke7 {Black wants to play ...Rc6.} 48. Ra8 Kd7 49. f5 Rc6 50. Bf4 Rc5 51. g4 {And now Rg8 would win.} Ne5 52. Bxe5 Rxe5 $14 {KR-KR} 53. Rg8 g6 $1 {The position is equal.} 54. fxg6 fxg6 55. Rxg6 Ke7 $1 56. Rf6 Rxg5 57. Rf4 {Kg3 is the strong threat.} Rg6 58. Kg3 {Hoping for Kh4.} Rf6 59. Rxf6 Kxf6 60. Kg2 {Precision: White = 60%, Black = 66%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Antal, Gergely"]
[Black "Ginsburg, Gennadi"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2540"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,20,22,22,14,29,23,21,20,27,26,31,20,52,-13,-9,-11,0,-18,-15,-15,-15,-16,0,0,57,53,64,67,60,47,50,33,77,18,18,18,32,42,59,62,66,62,76,76,76,83,93,88,88,95,91,85,83,80,198,177,170,170,1255,1240,984,1111]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nc6 10. Be3 {LiveBook: 38 Games. B91: Sicilian Najdorf: 6 g3} Nxd4 (10... Nd7 11. b3 Nxd4 12. Bxd4 Bxd4 13. Qxd4 b6 14. Nd5 Bb7 {½-½ (40) Carlsen,M (2832)-Nakamura,H (2785) Stavanger 2017}) 11. Bxd4 Be6 12. f4 $146 {White has an edge.} ({Predecessor:} 12. Re1 Rc8 13. Nd5 Bxd5 14. exd5 Re8 15. Re2 Nd7 16. Bxg7 Kxg7 17. Qd4+ Nf6 {1-0 (28) Mista,A (2609)-Areshchenko,A (2701) Warsaw 2014}) 12... Rc8 13. Rf2 Rc4 {White must now prevent ...Nxe4!} 14. Ne2 $1 Qc8 15. Kh2 $1 {[#]} Bg4 $1 {[%mdl 512] And now ...Bxe2 would win.} 16. Bxf6 ({White should try} 16. e5 $14 dxe5 17. fxe5 Bxe2 18. Rxe2) (16. hxg4 Nxg4+) 16... Bxe2 $1 $11 17. Qxe2 Bxf6 18. e5 dxe5 19. fxe5 Bg7 20. Bxb7 Qe6 21. Rd1 {Hoping for Bd5.} Rb4 (21... Rc5 $11) 22. Bd5 $14 ({But not} 22. Qxa6 Rb6 $17) 22... Qxe5 {[#]} 23. Bxf7+ $1 {[%mdl 512]} Kh8 {...Qxe2 is the strong threat.} (23... Rxf7 24. Rd8+) 24. Qxe5 Bxe5 25. Re1 Bd6 26. Kg2 ({Better is} 26. c3 $16 Rxf7 27. Rxf7 Rxb2+ 28. Kg1) 26... Rxb2 $11 {Threatening ...Bc5.} 27. Bb3 Rxf2+ 28. Kxf2 {[%mdl 4096] Endgame KRB-KRB} h5 29. g4 hxg4 30. hxg4 g5 31. Ke3 Kg7 32. Kd3 Bb4 33. Rf1 a5 34. a4 Kg6 35. Kc4 Kg7 36. Kd5 Bc3 (36... Kg6 $16) 37. Ke6 $18 Bf6 38. Kf5 Kf8 $2 (38... Kh7 39. Ke6 Kg6) 39. Kg6 Ke8 {[#]} 40. Rd1 $1 {Precision: White = 67%, Black = 43%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Malakhatko, Vadim"]
[Black "Bakre, Tejas"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2536"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,103,10,19,21,-7,0,0,6,0,16,3,24,0,81,77,81,40,81,84,83,87,87,87,82,-277,-22,-408,-408,-408,131,104,110,105,110,102,102,83,83,83,83,83,106,106,135,113,138,100,165,160,159,160,160,160,162,150,168,171,256,213,266,260,459,459,459,458,454,443,579,447,433,392,760,564,564,564,708,623,2006,1881]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 {E11: Bogo-Indian} 10. Nc3 (10. cxd5 cxd5 11. Rc1 Bb7 12. Qb3 Rc8 13. Rxc8 Qxc8 14. Nc3 Nh5 15. Bg5 Bxg5 16. Nxg5 Nhf6 17. e3 Qb8 18. Bf1 Rc8 {½-½ (56) So,W (2788)-Karjakin,S (2760) London 2017}) 10... dxc4 11. Nd2 Nd5 12. Nxc4 Nxf4 13. gxf4 Bb7 14. Rfd1 {LiveBook: 218 Games} Rc8 15. f5 exf5 $146 ({Predecessor:} 15... Qc7 16. fxe6 fxe6 17. Qe4 Rf6 18. e3 Rg6 19. Kh1 Ba8 {0-1 (60) Butnorius,A (2442)-Nestorovic,N (2381) Plovdiv 2008}) 16. Qxf5 g6 17. Qh3 Rc7 18. Rac1 Ba6 19. b3 $36 {[%mdl 2048] White is pushing.} Bb4 {[#]} (19... Bc8 $11 {keeps the balance.}) 20. d5 $1 $16 {[%cal Rd5c6]} Bxc3 21. dxc6 ({Don't go for} 21. Qxc3 $2 cxd5 22. Bxd5 b5 $19) (21. d6 {looks sharper.} Rc8 22. Rxc3 Qf6 23. Qg3 Qg7 24. e4) 21... Bf6 22. Rxd7 Rxd7 23. Qxd7 Qxd7 24. cxd7 Bb5 25. Ba8 $2 {[%mdl 8192]} (25. Rd1 $16) 25... Rd8 $2 (25... Bxd7 26. Bd5 $15) (25... Rxa8 $19 26. Ne5 Rf8) 26. Rd1 $2 {[%mdl 8192]} (26. Ne3 $11 {and White has nothing to worry.}) 26... Bxc4 $19 ({Don't play} 26... Rxa8 27. Nd6 $19) 27. bxc4 {[%mdl 4096] Endgame KRB-KRB} Be7 $2 (27... Rxa8 $19 28. Rd6 Be7) 28. Bg2 Kf8 29. Bc6 Bc5 30. Rd5 f6 31. h4 Ke7 32. Kg2 Rg8 33. f4 Bd6 34. Kf3 f5 35. h5 Rf8 36. Rd1 gxh5 (36... Ba3 $16) 37. Rh1 $18 Rf6 38. Rxh5 h6 39. Ba4 Bc7 40. Rh1 Rd6 41. Bc2 Rxd7 (41... Rf6 $142 42. Rd1 Rf8) 42. Rxh6 Rd2 43. Rh7+ Kd6 $2 (43... Kf6 44. Bxf5 (44. Rxc7 Rxc2 45. Rxa7 Rxc4 $16) 44... Bd6) 44. Bxf5 {[#] Hoping for Rd7+.} Rxa2 45. e4 {[%cal Be2e4,Be4e5][%mdl 32] Strongly threatening e5+.} Ra3+ 46. Kg4 {e5+ is the strong threat.} Kc6 47. e5 {Threatens to win with Be4+.} Re3 48. Re7 a5 $2 (48... a6 49. Bd7+ Kb7) 49. Bd7+ {White is clearly winning.} Kb7 50. Bb5 Kc8 51. Kf5 Rf3 52. Ke4 {Precision: White = 49%, Black = 34%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Lampert, Jonas"]
[Black "Kopylov, Michael"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2532"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,41,0,0,-6,-10,-6,0,-10,0,0,6,8,8,4,20,0,0,-4,-9,-29,-22,-25]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Qc2 Nf6 5. g3 dxc4 6. Qxc4 b5 7. Qc2 Bb7 8. Bg2 Nbd7 9. Ne5 Qb6 {D30: Queen's Gambit Declined: Systems without Nc3} (9... Nxe5 10. dxe5 Nd5 11. Nc3 Be7 12. O-O O-O 13. Rd1 Qb8 14. f4 a5 15. Nxd5 cxd5 16. Be3 Rc8 17. Qd2 {½-½ (45) Delorme,A (2518)-Hammer,J (2628) Helsingor 2017}) 10. Nxd7 Nxd7 11. O-O c5 {LiveBook: 8 Games} 12. dxc5 Bxc5 13. Bxb7 Qxb7 14. Nc3 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Rd1 Rc8 15. Qd2 Nf6 16. Qf4 O-O 17. Nc3 {0-1 (33) Mihopoulos,K (1951)-Galopoulos,N (2430) Plovdiv 2012}) 14... Rc8 15. Qd3 a6 16. Ne4 Ne5 17. Nxc5 Rxc5 18. Qd4 Rd5 19. Qb4 Nc6 20. Qg4 O-O {White should prevent ...f5.} 21. Be3 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Valsecchi, Alessio"]
[Black "Akshat, Khamparia"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2510"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,35,75,68,65,69,82,87,84,57,61,57,58,58,58,58,77,70,57,54,76,21,21,13,39,-9,-8,-26]} 1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. d5 Ne7 5. e4 Ng6 6. h4 h5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} 7. Bg5 Be7 (7... Bc5 8. Qd2 d6 9. g3 c6 10. Bd3 Qa5 11. Bxf6 gxf6 12. a3 a6 13. Ra2 Ba7 14. Nge2 {0-1 (33) Nesterov,A (2388)-Praggnanandhaa,R (2517) Stockholm 2018}) 8. Be2 Ng4 {White is better.} 9. Bxe7 Qxe7 10. d6 $146 ({Predecessor:} 10. Bxg4 hxg4 11. d6 Qxd6 12. Qxd6 cxd6 13. Nb5 Ke7 14. g3 {0-1 (34) Hartmann,T (2003)-Schweigert,W (2128) Illertissen 2012}) 10... Qxd6 11. Qxd6 cxd6 12. Rd1 Nf4 13. Bxg4 hxg4 14. g3 Ne6 15. Nge2 ({Of course not} 15. Rxd6 $6 b6 $11) (15. f3 $16) 15... Nc7 $11 16. Rxd6 b6 17. O-O Bb7 18. Rfd1 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Ider, Borya"]
[Black "Lerch, Patrice"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2505"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,37,12,16,76,58,111,103,126,114,117,99,142,139,152,132,156,146,141,114,145,149]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Nf3 c6 5. e3 Bg7 6. Be2 O-O 7. Ne5 Nfd7 8. h4 Nxe5 {D00: 1 d4 d5: Unusual lines} 9. Bxe5 f6 10. Bg3 {LiveBook: 4 Games} Bf5 (10... h5 $11 {remains equal.}) 11. h5 Qb6 (11... e5 $14) 12. e4 Be6 $146 ({Find the theoretical novelty and annotate with similar games:} 12... dxe4 13. Bc4+ e6 14. hxg6 Qxb2 15. Nxe4 Qb4+ 16. Nd2 hxg6 17. Bxb8 Raxb8 {½-½ (107) Sethuraman,S (2640)-Ghaem Maghami,E (2596) Berlin 2015}) 13. hxg6 hxg6 14. Qd3 {Strongly threatening exd5.} Kf7 15. O-O-O Nd7 16. Bf3 {[%cal Re4d5]} Qa5 17. exd5 Bxd5 18. Rhe1 Rfe8 19. Kb1 {Precision: White = 71%, Black = 23%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Riff, Jean-Noel"]
[Black "Keymer, Vincent"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2503"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,40,21,41,30,41,25,35,17,44,20,10,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Bc5 {LiveBook: 64 Games. B43: Sicilian: Kan Variation: 5 Nc3} 8. Qd3 Nc6 9. Nxc6 bxc6 {White has an edge.} 10. Na4 Be7 11. c4 d5 $146 {The position is equal.} ({Predecessor:} 11... c5 12. f4 d6 13. Bf3 Rb8 14. b3 {0-1 (38) Hamdouchi,H (2589)-Fernandes,A (2415) San Sebastian 2009}) 12. Nc3 {[%cal Rc4d5]} Bb7 13. Bf3 {[%cal Rc4d5]} O-O 14. cxd5 cxd5 15. exd5 Rfd8 {[%cal Rf6d5]} 16. Be3 Nxd5 17. Nxd5 Bxd5 18. Rac1 Qe5 {[#] Threatens to win with ...Bxf3.} 19. Bxd5 Rxd5 20. Qc3 Qxc3 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Poetsch, Hagen"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2484"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,21,11,14,0,26,0,17,0,0,0,0,-32,-22,-55,-55,-55,-13,-13,-24,-13,-16,-15,-23,-27,-26,-14,0,0,12,26,19,0,47,21,60,50,121,132,109,100,111,127,248,247,467,488,489,492]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. Be3 h5 9. Be2 Nbd7 10. O-O Rc8 11. Qd2 b5 12. Rfd1 Nb6 13. Bxb6 Qxb6 14. a4 b4 15. Nd5 Nxd5 16. exd5 {0-1 (43) Anand,V (2783)-Kovalyov,A (2641) Tbilisi 2017}) 8. g4 h6 9. Be3 Be6 10. Qf3 Nbd7 11. O-O-O Rc8 12. Nd5 $1 {LiveBook: 14 Games} Nf8 13. Kb1 Ng6 $1 14. Nxe7 Qxe7 {[#]} 15. g5 $146 ({Predecessor:} 15. Bd3 b5 {½-½ (28) Miras Garcia,E (2516)-Pugh,J (2465) ICCF email 2015}) 15... hxg5 16. Bxg5 Qc7 17. Bd3 Nh5 18. Bd2 Nhf4 {[%cal Rh8h3]} 19. Bb4 Rxh3 20. Rxh3 Nxh3 21. Bxd6 Qb6 ({But not} 21... Qxd6 $2 22. Bb5+ $1 {[%mdl 512]} Ke7 23. Rxd6 $18) 22. Rd2 f6 (22... Qxd6 $2 23. Bb5+ $1 {[%mdl 512]} Ke7 24. Rxd6 $18) 23. Qe3 Qxe3 ({Don't blunder} 23... Qxd6 $2 24. Bb5+ $1 {[%mdl 512]} axb5 25. Rxd6 $18) 24. fxe3 Rc6 25. Bb4 Ng5 26. Nc5 Bc8 27. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nf8 28. a5 $36 {[%mdl 2048] White has the initiative.} Nfe6 29. Na4 $1 Rc7 (29... Nf7 $14) 30. Rh2 $1 $16 Kf7 31. Rh8 Bd7 32. Nb6 Bc6 {[#]} (32... Be8 $16 33. Bd6 Rc6) 33. Bd6 $1 $18 Nxe4 $2 (33... Re7 34. Bxe7 Kxe7 35. Nd5+ Kd6) 34. Bxc7 Nxc7 {[#]} 35. Rc8 $1 {Precision: White = 65%, Black = 42%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Kevlishvili, Robby"]
[Black "Lokander, Martin"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2472"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "187"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,187,61,49,18,57,54,64,40,50,40,42,43,140,137,136,137,151,159,141,146,177,170,164,156,143,129,164,151,174,162,168,156,162,162,170,167,172,142,188,165,175,175,170,176,197,180,243,246,486,486,390,479,453,454,440,445,476,224,252,280,262,102,429,429,446,410,550,402,402,391,534,517,568,561,571,352,316,124,124,124,117,114,267,267,261,232,447,450,452,254,353,254,254,254,334,189,189,189,189,51,68,83,165,164,164,156,157,164,166,162,158,157,158,0,44,0,46,0,0,0,0,0,0,0,63,54,63,64,62,62,460,466,516,524,461,439,341,0,0,0,0,0,5531,5206,1684,1708,1263,1237,12836,12836,12837,12837,12837,12838,12837,12839,12842,12839,12837,12839,12839,12832,12840,12841,12839,12839,12844,12844,12847,12847]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 g6 6. Bc4 Be6 7. Bb3 Bg7 8. O-O O-O 9. Re1 c6 10. c3 {B04: Alekhine's Defence: 4 Nf3} (10. Nc3 Nd7 11. Nxd5 cxd5 12. Bf4 Nxe5 13. Bxe5 b5 14. Bxg7 Kxg7 15. Qf3 Qd6 16. Re5 Rad8 17. Qe3 a5 {½-½ (43) Matinian,N (2499)-Del Rio de Angelis,S (2520) Lorca 2017}) 10... Nd7 {LiveBook: 16 Games} 11. Nd3 (11. Nf3 {looks sharper.} Bf5 12. Nbd2 e6 13. Ne4 Qc7 14. Bg5) 11... Nc7 12. Nd2 {[%cal Bb1d2,Bd2c4,Bc4d6][%mdl 32] White is slightly better.} Bxb3 13. axb3 a5 $146 ({Predecessor:} 13... Re8 14. Nc4 {1-0 (49) Gentilleau,J (2224)-Dive,R (2388) Bled 2002}) 14. Nc4 Nd5 15. Bg5 Re8 ({Black should play} 15... b5 $14) 16. Nd6 $1 $36 {[%mdl 2048] White is in control.} Rf8 17. Nxb7 Qc7 18. Nbc5 Nxc5 19. Nxc5 e5 20. dxe5 Bxe5 21. g3 Rfe8 22. Ra4 {[%cal Ba1a4,Ba4e4,Be4e2][%mdl 32]} f6 23. Bd2 Nb6 24. Rae4 Qd6 25. Na4 $1 {[%cal Ra4b6]} Nxa4 26. bxa4 ({Don't play} 26. Rxa4 Rad8 $16) 26... Red8 27. R4e2 Qd5 28. Qc2 Qa2 29. Bc1 Rab8 30. Rd1 Qc4 31. Red2 Rxd2 32. Rxd2 ({Don't take} 32. Bxd2 Qb3 $16) 32... f5 (32... Qg4 $142 33. Rd3 Bc7) 33. Qd1 $18 h5 $2 (33... Bf6 34. Rd7 Re8) 34. Rd8+ Rxd8 35. Qxd8+ Kh7 36. Qxa5 Qe4 37. Qa7+ Bg7 {With the idea ...Qe1+.} 38. Qa6 (38. Be3 $142 {aiming for Bd4.} Qb1+ 39. Kg2) 38... Qb1 39. Qf1 Qa1 40. Qd1 $2 (40. b3 $1 $18 {and the rest is easy.}) 40... c5 $2 {[%mdl 8192]} (40... Bh6 $16 {is more resistant.}) 41. Kg2 Qb1 42. h4 c4 43. Qf1 Qe4+ 44. Kh2 Be5 45. Bg5 f4 46. Qg2 f3 47. Qf1 Qc2 48. Be3 $2 (48. a5 $18 {is the precise move to win.}) 48... Qxa4 $16 49. Qh1 Qc6 50. Qd1 Kg8 $2 (50... Qb7 $16 {was necessary.} 51. Qa4 Bg7 52. Qxc4 Qxb2) 51. Qd8+ $18 Kf7 52. Bh6 Bf6 $2 (52... Bd6 {might work better.} 53. Bg5 Bc5) 53. Qf8+ Ke6 54. Be3 (54. Qg8+ $142 Kf5 55. Qf7) 54... Be5 55. Qg8+ Kf5 56. Qd8 Ke4 {[#]} 57. Bc1 (57. Bf4 $142 $1 {[%mdl 512]}) 57... Qf6 58. Qa8+ Kd3 {Threatens to win with ...Qxh4+.} 59. Qd5+ (59. Qa2 $18) 59... Kc2 $1 $14 60. Bg5 Qf5 (60... Qb6 $16 {keeps fighting.} 61. Be3 (61. Qxf3 Qxb2 62. Qc6 Kxc3 $16) 61... Qc7 62. Qxf3 Kxb2) 61. Qxc4 $18 {Hoping for b4.} Kxb2 62. Qb4+ Kc2 63. c4 {Black must now prevent c5.} Qe4 64. Qd2+ $1 Kb3 65. c5 Kc4 66. Qc1+ $2 (66. Bf4 $1 $16) 66... Kb5 67. Be3 {And now Kg1 would win.} Qxh4+ 68. Kg1 Qe4 69. Qf1+ Kc6 70. Qa6+ Kd7 71. Qb5+ Qc6 (71... Ke7 $11) 72. Qc4 Ke7 73. Bg5+ Kf8 74. Bh6+ Bg7 $2 {[%mdl 8192]} ({Better is} 74... Ke8 $14) 75. Bf4 $1 {[%cal Rf4d6]} Bf6 76. Bd6+ $1 Kg7 77. Qe6 {Bf8+ is the strong threat.} Qa8 {[#]} 78. c6 $2 ({White must play} 78. Kh2 $1 $18) 78... Qa1+ $11 79. Kh2 Qd4 $1 {[%cal Rd4f2]} 80. Kh3 g5 $2 {[%mdl 8192]} (80... Qxf2 $11 81. Bf8+ Kxf8 82. Qxf6+ Ke8) 81. Qd7+ $18 {White is clearly winning.} Kg6 82. Qe8+ Kf5 83. Qc8+ Ke4 84. Qe6+ Kd3 85. Qb3+ Ke4 {[#]} 86. Qc2+ $1 Kd5 87. c7 Qg4+ 88. Kh2 Qc8 89. Qc5+ Ke6 90. Qc6 g4 91. Bf4+ Kf7 92. Qb5 h4 93. Qb8 hxg3+ 94. Bxg3 {Precision: White = 59%, Black = 40%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Kuipers, Stefan"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2468"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,29,15,11,-14,-16,-19,-19,-21,-14,-8,-18,-23,-9,0,-2,-4,0,-35]} 1. e4 g6 2. d4 Bg7 3. Nc3 Nc6 4. Be3 d5 5. exd5 Nb4 6. a3 {B06: Modern Defence} Nxd5 7. Nxd5 Qxd5 {LiveBook: 5 Games} 8. Qf3 $146 (8. Qd2 {looks sharper.} Nf6 9. Nf3 O-O 10. Be2 Ng4 11. Bg5) ({Predecessor:} 8. c4 Qd8 9. Nf3 Nh6 10. Qb3 Nf5 11. O-O-O O-O 12. Bf4 Nxd4 13. Nxd4 Bxd4 {0-1 (46) Ilincic,Z (2397)-Mihok,O (2506) Kecskemet 2016}) 8... Nf6 9. Qxd5 Nxd5 10. Nf3 Bg4 11. Be2 Nxe3 12. fxe3 Bxf3 13. Bxf3 {The position is equal.} O-O-O 14. c3 e5 15. d5 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Nasuta, Grzegorz"]
[Black "Van Kerkhof, David"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2459"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,153,26,55,59,130,124,118,121,137,132,133,74,68,63,54,57,105,105,104,106,110,107,119,120,114,126,119,116,121,87,93,29,20,0,95,93,85,23,133,0,62,89,71,27,31,0,79,76,87,87,105,70,87,95,228,235,236,236,222,232,229,225,231,231,228,222,300,280,309,242,295,297,312,299,315,299,416,411,414,415,420,415,513,511,529,520,631,627,604,601,645,645,1264,1237,1689,1674,1490,1440,1530,1345,29965,29968,29965,29963,29972,6409,29980,29981,29981,29982,29991,29987,29987,29986,29987,29988,29990,29989,29991,29992,29992,29991,29991,29992,29992,29990,29994,29995,29995,29995]} 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nc6 8. Bxc6+ bxc6 9. Nbd2 e6 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves} (9... Qb6 10. O-O e6 11. Nb3 Ne7 12. h3 Bxf3 13. Qxf3 a5 14. Qc3 O-O 15. Nc5 Ra7 16. a4 Qb4 17. Qxb4 axb4 {1-0 (38) Howell,D (2682)-Bellon Lopez,J (2334) Caleta 2018}) 10. O-O Ne7 11. h3 Bxf3 12. Nxf3 O-O 13. Qa4 Qb6 {LiveBook: 3 Games} 14. Bg5 f6 $146 (14... Rfe8 $14) ({Predecessor:} 14... Rfe8) 15. exf6 Bxf6 16. Rae1 Nf5 {[%cal Rf5d4]} 17. Bxf6 ({Reject} 17. Rxe6 $6 Bxg5 18. Nxg5 Nxd4 $11) 17... Rxf6 18. Ne5 (18. Rc1 $142) 18... Qb5 $16 19. Qxb5 cxb5 20. Ng4 Rff8 21. Rxe6 Nxd4 22. Re7 Nf5 23. Rd7 d4 24. Rc1 {Intending Rcc7 and mate.} Rf7 25. Rcc7 Rxd7 26. Rxd7 {[%mdl 4096] Endgame KRN-KRN} h6 27. Nf6+ Kf8 28. Nh7+ (28. g4 $16 Nh4 29. Kf1) 28... Ke8 $11 29. Nf6+ (29. Rb7 $11) 29... Kf8 $16 30. g4 Nh4 31. Nh7+ ({White should play} 31. Kf1 $1 $16) 31... Kg8 {[#]} (31... Ke8 $1 $11 {keeps the balance.} 32. Nf6+ Kf8) 32. Nf6+ ({Better is} 32. Kh2 $1 $16) 32... Kf8 $14 33. Kf1 Rc8 34. Nh7+ (34. Rxa7 d3 $11) 34... Kg8 35. Nf6+ (35. g5 {feels hotter.} hxg5 36. Nf6+ Kf8 37. Rxd4 Nf5 38. Rd2) 35... Kf8 36. Rxd4 ({Much worse is} 36. Rxa7 d3 $11) 36... Rc2 {[#]} 37. Rb4 $1 a6 38. Nd5 g5 39. Rb3 Kf7 (39... Rc8 $16) 40. Nb4 $18 Rc1+ 41. Ke2 Ng6 42. Nxa6 Nf4+ 43. Kf3 Ne6 {aiming for ...Nd4+.} 44. Ke3 Re1+ 45. Kd2 Re5 46. Nb4 Nf4 47. Re3 Rc5 48. Nd3 Rd5 49. Kc3 Ne6 50. a3 Rd4 51. Re5 Rc4+ 52. Kd2 Nd4 {[#]} 53. Rxb5 $1 {[%mdl 512]} Rc2+ (53... Nxb5 54. Ne5+) 54. Kd1 Rc7 55. Rb6 Ne6 56. a4 Ra7 57. b3 Nd4 58. Kd2 Nxb3+ 59. Rxb3 Rxa4 {KRN-KR} 60. Rb6 Kg7 61. Ke3 Ra3 62. Ke4 Rc3 63. f4 gxf4 64. Nxf4 Rc4+ 65. Ke5 (65. Kf5 $142 Rc5+ 66. Ke6 Rc7 67. Nh5+ Kh7 68. Ng3 Rc1 69. Nf5 Kg6 70. h4) 65... Rc5+ 66. Ke6 {White mates.} Rc7 67. Rd6 Rc4 68. Rd7+ Kg8 69. Kf5 Rc6 70. Ne6 Ra6 71. Re7 h5 72. Kg6 {[%cal Re7e8]} Ra8 73. Kxh5 Rb8 74. g5 {[%cal Bg4g5,Bg5g6][%mdl 32]} Ra8 75. g6 Rb8 76. Kh6 Ra8 77. Rd7 {Precision: White = 67%, Black = 49%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Firat, Burak"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2453"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,35,56,0,4,-15,-8,-14,-8,-16,-12,-113,-100,-95,-80,-105,0,0,0,-8,0,0,21,13,16,13,13,0,0,0,0,-8,54,-32,-8,-9,0,-64,0,0,46,15,19,35,20,0,0,-80,-73,-82,-79,-75,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Nfd7 {B81: Sicilian Scheveningen: Keres Attack} 8. g5 (8. Bg2 Be7 9. Nce2 Nc6 10. c3 Nce5 11. O-O Ng6 12. f4 Nh4 13. Bh1 O-O 14. f5 e5 15. Nc2 {0-1 (57) Fedoseev,V (2724)-Grischuk,A (2767) Moscow 2018}) 8... Be7 9. h4 b5 10. a3 Bb7 11. Be3 Nb6 {LiveBook: 24 Games} 12. Qg4 (12. f4 $14) 12... N8d7 $11 13. f4 Rc8 14. Bd3 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Rh3 Nc4 15. Bxc4 Rxc4 {1-0 (29) Zhou,Y (2469)-Longson,A (2279) Purley 2013}) 14... Nc4 15. Bxc4 Rxc4 16. O-O-O (16. f5 $1 $11 e5 17. Nf3) 16... Rxc3 $17 17. bxc3 Qc7 18. f5 Ne5 (18... Qxc3 $17 19. Kb1 Qxe3 20. fxe6 fxe6 21. Nxe6 Qxa3 22. Nxg7+ Kd8) 19. Qf4 $11 Qxc3 {( -> ...Nc4)} 20. Nb3 exf5 21. Bd4 Qc7 {[#]} 22. Nc5 $1 {[%mdl 512]} Ng6 (22... dxc5 23. Bxe5) 23. Qh2 Bc8 24. Rhf1 f4 $1 25. Nd3 O-O 26. Nb4 (26. Nxf4 d5 $15) 26... Be6 ({Black should play} 26... Bg4 $11) 27. Bb2 (27. h5 $14 Ne5 28. Qxf4) 27... Rc8 28. Kb1 Qc4 $36 {[%mdl 2048] Black has good play.} 29. Nd5 (29. h5 $11 Ne5 30. Qxf4) 29... Bxd5 (29... Bd8 $1 $15) 30. exd5 {[#]} f3 $1 {[%mdl 512]} 31. Rxf3 {Strongly threatening h5.} Qxh4 32. Rh3 Qf4 33. Qh1 Qf5 ({Of course not} 33... Qxg5 $6 34. Rxh7 Bf8 35. Qh3 $16) 34. Rf1 (34. Rxh7 $11 {remains equal.} Rxc2 35. Rxg7+ Kf8 36. Ka1 Rxb2 37. Rxg6 Ra2+ 38. Kxa2 Qc2+ 39. Ka1 Qc3+ 40. Ka2 Qc2+ 41. Ka1 Qc3+ 42. Ka2 Qc2+) 34... Qxc2+ $17 35. Ka1 Bxg5 {...Ne5 is the strong threat.} ({Not} 35... Ne5 $2 36. Rc1 $18) 36. Rxh7 Bf6 (36... f6 $17 37. Rh2 Qc4) 37. Rxf6 $11 {The position is equal.} gxf6 38. Qh6 $1 {[%csl Gh7][%cal Rh6g7]} Qd1+ 39. Ka2 {[%csl Gh7][%cal Rh6g7]} Qxd5+ 40. Ka1 {[%csl Gh7][%cal Rh6g7]} Qd1+ 41. Ka2 {Precision: White = 40%, Black = 53%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Zatonskih, Anna"]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2446"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,46,0,0,0,0,0,-25,-14,-35,-17,-17,-18,-16,-33,-16,-22,-27,-28,-33,-33,-58,-45]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qd3 Bb7 9. O-O c5 10. dxc5 Bxc5 11. Be3 {E03: Open Catalan: 5 Qa4+ Nbd7 6 Qxc4} (11. Nbd2) 11... O-O 12. Nbd2 Qb6 13. Bxc5 Nxc5 {[%cal Bd7c5,Bc5a4,Ba4c3][%mdl 32]} 14. Qe3 {LiveBook: 3 Games} Nd5 15. Qd4 Na4 16. Qxb6 Ndxb6 17. b4 $146 ({Predecessor:} 17. b3 Nc3 18. e3 Rfd8 19. Nb1 Ne2+ 20. Kh1 Rac8 21. Nfd2 Bd5 22. Bxd5 Nxd5 23. Re1 Nb4 24. Rxe2 Nc2 {0-1 (24) Straub,N (2188)-Schleining,Z (2346) Bad Wiessee 2017}) 17... Nc3 18. Nd4 Bxg2 19. Kxg2 Rfd8 20. N2b3 Rac8 21. e3 e5 22. Nf3 f6 23. Rfc1 Ne4 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Trent, Lawrence"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2440"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,15,31,-6,-2,-25,19,-6,1,-40,-39,-51,-64,-106,-116,-117,-91,-129,-104,-106,-101,-114,-80,-125,-120,-252,-200,-211,-154,-222,-201,-621]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc7 (4... h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Nd2 e6 8. Ne2 Ne7 9. O-O Nf5 10. Nf3 Qa6 11. Qd1 Be7 12. g3 c5 {½-½ (67) Nakamura,H (2787)-Artemiev,V (2697) Moscow 2018}) 5. g4 Bd7 {LiveBook: 4 Games} 6. f4 {B12: Caro-Kann: Advance Variation} c5 $146 ({Find the theoretical novelty and annotate with similar games:} 6... e6 7. Bd3 c5 8. c3 Nc6 9. Ne2 Qb6 10. Bc2 Nh6 11. Rg1 Be7 12. g5 {0-1 (27) Mehringer,J (1976)-Van Foreest,J (2546) Heusenstamm 2015}) 7. dxc5 Nh6 8. Be2 {The position is equal.} (8. Nc3 {NOTEXT} Nxg4 9. b4 Nc6 10. Nxd5 Qc8 11. a3) 8... e6 9. Nd2 Bxc5 10. Nb3 Bb6 $1 11. Kf1 Nc6 12. Rh3 O-O 13. Kg2 d4 14. c4 dxc3 15. Rxc3 Rad8 16. Qc2 Qb8 17. Nh3 {[#]} (17. a3 $17 {might work better.}) 17... Nb4 $1 $19 {[%cal Rb4c2]} 18. Qb1 {Black is clearly better.} Bc6+ 19. Kh2 (19. Rxc6 $17 Nxc6 20. Ng5) 19... f6 20. Rg3 $2 {Precision: White = 17%, Black = 65%.} (20. exf6 gxf6 21. Rg3) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Vogel, Roven"]
[Black "Banusz, Tamas"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2438"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,64,0,6,0,11,-12,0,-14,1,0,6,-11,-10,-10,-9,-11,-21,-18,-16,-20,-12,-7,-8,-11,-10,-8,-11,-8,-5,-7,-1,-7,-5,-16,-14,-16,0,0,0,0,0,-10,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. O-O O-O 11. h3 Nd7 12. Rfc1 a6 {LiveBook: 6 Games. The position is equal.} 13. Nb1 $146 {D14: Slav Defence: Exchange variation with ...Bf5} ({Predecessor:} 13. Na4 Rc8 14. Qe2 Qa5 15. Nc3 Na7 16. a3 Nb5 17. Nxb5 axb5 18. Qe1 Qa4 19. Rxc8 Rxc8 20. Rc1 Rxc1 21. Qxc1 {1-0 (46) Costachi,M (2430)-Yilmaz,M (2621) Graz 2017}) 13... Rc8 14. Nbd2 Qb6 15. Qb3 Qa7 16. Qd1 Qb6 17. Qb3 Qxb3 18. Nxb3 f6 19. Bg3 Kf7 20. Ne1 e5 21. Nd3 Nb4 22. Nxb4 Bxb4 23. f3 Ke6 24. Kf1 a5 25. Be1 Bxe1 26. Kxe1 b6 27. Rxc8 Rxc8 $11 {KRN-KRN} 28. Kd2 Kd6 29. Nc1 h5 30. h4 Nf8 31. Ne2 Ne6 32. Rc1 Rg8 {Precision: White = 71%, Black = 48%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Halvax, Georg"]
[Black "Bindrich, Falko"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2431"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,0,5,12,33,37,38,31,37,0,0,0,0,-12,-11,-11,-4,-8,-11,-10,0,0,0,0,0,0,0,0,0,0,-6,-9,-2,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-104,-104,-123,-115,-238,-233,-350,-329,-424,-430,-424,-422,-414,-391,-363,0,-756,-760,-743,-707,-660,-642,-1114,-5281,-5189,-5206,-5089,-4510,-1829,-2509,-1834,-1505,-6522,-8635,-29972,-5601]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 {C45: Scotch Game} (7. Bg5 h6 8. Bh4 d6 9. f3 g5 10. Bg3 Qe7 11. Qd2 Bd7 12. h4 Rg8 13. O-O-O O-O-O 14. hxg5 hxg5 15. Rh6 Be6 16. Bb5 Bxb3 17. axb3 {1-0 (41) Navara,D (2726)-Malakhov,V (2691) Antalya 2017}) 7... d6 8. Be3 Be6 9. O-O-O {White is slightly better.} Qe7 10. f3 O-O-O 11. Bxb6 axb6 12. Qb5 {[#]} d5 $1 {[%mdl 512]} 13. Qa4 (13. Nxd5 Bxd5) 13... Kb8 14. Bb5 dxe4 $146 ({Predecessor:} 14... Na7) 15. Bxc6 {Nb5 would kill now.} bxc6 16. Nd4 Bd7 $1 17. Nxc6+ Bxc6 18. Qxc6 {[%cal Rc3e4]} e3 {Hoping for ...Rxd1+.} 19. Qc4 Rhe8 {[%cal Bh8e8,Be8d8,Bd8d2][%mdl 32] Threatens to win with ...Rd2!} 20. Rxd8+ Rxd8 21. Re1 Rd2 22. Re2 Qd6 23. g3 Kb7 24. a4 Nd5 $40 {[%mdl 128] Black has some attack.} 25. Rxd2 (25. Ne4 $2 {gets mated.} Rd1+ $1 {[%mdl 512]} 26. Kxd1 Nc3+ 27. Ke1 Qd1#) 25... exd2+ 26. Kxd2 Qh6+ 27. f4 Qxh2+ 28. Ne2 Qg2 29. a5 bxa5 {[%cal Bb6a5,Ba5a4][%mdl 32]} 30. Qb5+ (30. Qb3+ $11 Kc8 31. Qa2) 30... Nb6 $17 31. Ke1 a4 32. Qh5 {[#]} (32. Qd3 $17 {was worth a try.}) 32... Qe4 $1 $19 33. Kd2 (33. Qc5 $142) 33... Qb4+ 34. Nc3 Nc4+ 35. Ke2 Nxb2 36. Qd5+ Kb6 37. Qe5 {aiming for Nd5+.} Kb7 $2 (37... Qc4+ $19 38. Kf3 a3 39. Qe3+ Ka6) 38. Qxc7+ $2 {[%mdl 8192]} (38. Qd5+ $11 Kb6 39. Qe5 Qc4+ 40. Ke1) 38... Kxc7 39. Nd5+ Kd6 40. Nxb4 {[%mdl 4096] Endgame KN-KN} Kc5 41. Na6+ Kc4 42. Kd2 a3 43. Kc1 Na4 {( -> ...a2)} 44. Kb1 Nc3+ 45. Ka1 Ne2 46. Nc7 Nxg3 47. Ne8 Nf5 {Precision: White = 57%, Black = 77%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Zysk, Robert"]
[Black "Moussard, Jules"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2428"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,92,-5,-7,-10,-16,-2,-15,-24,-19,0,-21,-10,-14,-12,-32,-20,-34,-28,-24,-2,-15,0,0,0,0,0,0,0,0,1,13,29,0,14,0,16,18,21,18,20,0,7,13,20,8,28,35,16,27,51,42,62,50,50,53,251,166,226,227,229,233,237,225,281,211,194,0,0,-558,-493,-474,-474,-443,-392,-710,-687,-862,-858,-828,-780]} 1. Nf3 d6 2. d4 Nf6 3. g3 Nbd7 4. Bg2 e5 5. dxe5 dxe5 6. O-O Bc5 7. Nc3 O-O {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 8. Bg5 {LiveBook: 3 Games} h6 9. Bxf6 Qxf6 {The position is equal.} 10. Ne4 Qe7 11. Nxc5 Qxc5 12. Nd2 (12. c3 a5 13. Qc2 Nf6 14. Nd2 c6 15. b3 {½-½ (23) Heinzel,O (2363)-Neuman,P (2476) Tabor 2012}) 12... Nf6 13. Nb3 Qe7 $146 ({Predecessor:} 13... Qb6 14. Qd3 Re8 15. e3 {½-½ (51) Egartner,W (2165)-Birke,M (2280) Germany 2002}) 14. Qd2 e4 15. Rad1 b6 16. Nd4 Re8 17. c4 a6 18. b3 Qe5 19. h3 Bd7 20. e3 Rad8 21. Qc2 c5 22. Ne2 b5 23. Nf4 Bc6 24. cxb5 Bxb5 25. Rxd8 Rxd8 26. Rc1 g5 27. Ne2 Bd3 28. Qc3 Qe6 29. Qb2 Nd7 30. g4 h5 31. gxh5 f5 32. h4 Bxe2 $1 33. Qxe2 gxh4 34. Rd1 Qf6 $2 {[#]} (34... Kf7 $14) 35. f4 exf3 (35... Nb6 {was worth a try.}) 36. Qxf3 $18 ({Stronger than} 36. Bxf3 Ne5 $11) 36... Kh8 37. Kh2 Qg7 38. h6 $1 {[%cal Rh6g7]} Qg6 39. Bh3 Rg8 {[#]} 40. Bxf5 $2 ({Much less strong is} 40. Qxf5 $6 Qg3+ 41. Kh1 Qxe3 $14) (40. h7 $1 $18 {[%cal Rh7g8]} Rg7 41. Bxf5) 40... Ne5 $11 41. Bxg6 $4 {[%mdl 8192]} (41. Qf2 $1 $11 {and White is okay.}) 41... Nxf3+ {KRB-KRN} 42. Kg2 Ne5 43. Kh3 {Bh5 is the strong threat.} Nxg6 (43... Rxg6 $2 44. Kxh4 Rxh6+ 45. Kg3 $19) 44. Rd5 $2 (44. Kg4) 44... Re8 $19 {Black is clearly winning.} 45. Rxc5 Rxe3+ 46. Kg4 Kh7 {Precision: White = 51%, Black = 54%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Xu, Xianliang"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2424"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,22,30,60,-30,-33,-34,-33,-35,-35,-40,-45,-53,-30,-36,-38,-33,-29,-53,-48,-42,-35,-41,-43,-81,-64,-78,-60,-64,-7,-21,0,0,0,0,12,9,5,0,0,0,18]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 h6 11. Bf6 $1 {LiveBook: 18 Games} Qd5 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} (11... Qg6 12. Nh4 Qh7 13. c3 Be7 14. Bxe7 Nxe7 15. Qa4+ Nc6 16. Nc5 O-O 17. Nxe6 fxe6 18. Qb3 g5 19. Rxe6 gxh4 20. Rxc6+ {½-½ (100) Li,R (2535)-Durarbayli,V (2611) Indianapolis 2016}) 12. Nxd4 (12. a3 $14) 12... Nxd4 $11 13. Qxd4 Qxd4 {Black is slightly better.} 14. Bxd4 b6 $146 ({Predecessor:} 14... O-O-O 15. Bc3 Bf5 16. Re2 Bh7 17. Rae1 Rg8 18. a3 f5 19. Ng3 {0-1 (36) Sharang,S (1863)-Sarbojit,P (1955) Thrissur 2014}) 15. b3 O-O-O 16. c3 Bf5 17. f3 Rg8 18. Rad1 Bg6 19. b4 f6 20. a4 Rd7 21. a5 Be7 22. b5 Bf7 ({But not} 22... bxa5 23. Ra1 $11) 23. Ng3 Bd8 24. axb6 cxb6 (24... axb6 $15 25. Ra1 Re8) 25. Nf5 {The position is equal.} Bb3 {[#] Hoping for ...Bc2.} 26. Rd2 Bc4 27. Be3 Bd3 28. Nd4 Bc4 29. Nf5 {Threatening Rxd7.} Bd3 30. Nd4 Bc4 {Precision: White = 43%, Black = 32%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Braeuer, Franz"]
[Black "Danin, Alexandre"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2423"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,-16,-16,-17,0,0,0,0,10,0,12,14,7,-8,0,-38,-21,-42,0,-10,-14,-20,-10,-13,-8,0,-2,-14,0,-18,-14,-12,-14,-31,-9,-18,-8,-10,-12,-20,0,-7,-8,-13,-10,-18,-4,-18,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 (5... Bxc5 6. Ngf3 Nf6 7. Bc4 Qc6 8. Qe2 O-O 9. Nb3 Nbd7 10. Bf4 Bd6 11. Nbd4 Qb6 12. Bxd6 Qxd6 13. O-O-O Qf4+ 14. Kb1 Nb6 15. Bb3 {0-1 (28) Naiditsch,A (2705)-Le,Q (2737) Riadh 2017}) 6. Ngf3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Qxc5 7. Nb3 Qc7 {LiveBook: 3 Games} 8. g3 $146 ({Predecessor:} 8. Bd3 h6 9. Qe2 Nc6 10. Nbd4 Nxd4 11. Nxd4 a6 12. Bd2 Be7 13. O-O-O {1-0 (52) Shevelev,A (2280)-Renman,N (2368) Acqui Terme 2017}) 8... Nc6 9. Bg2 e5 10. O-O Be7 11. Qe2 O-O 12. Re1 {[%cal Rf3e5]} Re8 13. Bd2 Bg4 {[#] aiming for ...e4.} 14. Qc4 Bd6 15. Ng5 Bf5 16. Ne4 Nxe4 17. Bxe4 Bxe4 18. Qxe4 Rad8 19. Rad1 f6 20. Be3 Qf7 21. Qd5 Bf8 22. Qxf7+ Kxf7 23. f3 h5 24. c3 {The position is equal.} g6 25. Kf2 Ke6 26. Bc5 Kf7 27. Bxf8 Rxf8 28. Nc5 b6 29. Ne4 Ke6 30. Ke2 Ne7 {Precision: White = 44%, Black = 41%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Barbot, Pierre"]
[Black "Kuljasevic, Davorin"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2422"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,102,-17,-14,-26,-43,-40,-35,-41,-23,-47,-40,-42,-43,-38,-32,-43,-41,-17,-20,-73,-64,-148,-115,-106,-105,-98,-91,-101,-85,-106,-85,-115,-117,-117,-142,-190,-127,-190,-144,-202,-109,-124,-122,-107,-112,-122,-76,-125,-136,-204,-193,-213,-196,-183,-190,-212,-183,-251,-222,-281,-275,-292,-279,-266,-272,-291,-242,-225,-126,-128,0,-169,0,-120,-110,-366,-249,-215,-239,-233,-60,-56,-70,-62,-62,-80,-44,-56,0,-71,0,-41,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nbd2 dxc4 6. e3 {D30: Queen's Gambit Declined: Systems without Nc3} b5 {LiveBook: 9 Games} 7. a4 c6 8. Be2 Nbd7 9. O-O Bb7 10. Qc2 O-O 11. b3 c3 12. Ne4 bxa4 $146 ({Predecessor:} 12... h6 13. Bh4 g5 14. Nxf6+ Nxf6 {0-1 (49) Nakamura,H (2784)-Morozevich,A (2760) Moscow 2013}) 13. Rxa4 a5 14. Nxc3 c5 {...cxd4 is the strong threat.} 15. Rc1 (15. Na2 $11) 15... Rc8 $17 16. Qd3 (16. Qb2 $1 $15) 16... Bxf3 17. gxf3 cxd4 18. exd4 h6 19. Be3 Nb6 $36 {[%mdl 2048] White is under strong pressure.} 20. Raa1 Nbd5 21. Ne4 Rxc1+ 22. Rxc1 Nh5 23. Bf1 Qh4 (23... f5 $19 {Strongly threatening ...Nhf4.} 24. Nc5 Nhf4) 24. Rc6 (24. Qa6 $17) 24... Nhf4 25. Qc2 (25. Qd1 $17) 25... Qh5 (25... Nh3+ $19 26. Kh1 f5) 26. Qd1 Rd8 27. Ng3 Qh4 28. Qc1 Ne7 29. Rc4 Nfd5 30. Bd3 (30. Qb1 $17) 30... f5 $1 $19 31. Bd2 Rb8 32. Bxb4 axb4 33. Qe1 Qf6 34. Qa1 (34. Rc1 {was necessary.}) 34... Nf4 35. Qa7 Rd8 36. Bf1 Ned5 37. Kh1 h5 38. Qa2 Qg5 39. Ne2 {[#]} Nd3 ({Black should try} 39... Qh4 $1 $19 {[%cal Rh4f2]} 40. Nxf4 Qxf4) 40. Ng3 $17 N3f4 41. Ne2 $1 Nd3 {[%cal Rd3f2]} 42. Ng3 {[#]} Nc3 $1 {[%cal Rc3a2]} 43. Qa6 $2 {[%mdl 8192]} (43. Rxc3 $17 {is the only way for White.} bxc3 44. Bxd3 Rxd4 45. Qe2) 43... Nf4 44. Rxb4 h4 45. Rc4 hxg3 $2 (45... Nd1 $19 46. Kg1 Kh7) 46. fxg3 $15 Nfd5 47. Qxe6+ Kh7 48. Qe1 Nb5 {Hoping for ...Qe3.} 49. Qe5 $1 Nbc3 50. Qe1 $1 Nb5 {aiming for ...Qe3.} 51. Qe5 $1 Nbc3 {Precision: White = 49%, Black = 65%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Bruedigam, Martin"]
[Black "Kollars, Dmitrij"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2409"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,92,14,22,0,0,0,0,0,0,0,0,0,0,-43,-22,-31,-12,-71,-59,-66,-32,-104,-110,-101,-89,-142,-142,-158,-96,-372,-129,-147,-137,-146,-143,-136,-137,-131,-143,-136,-139,-147,-103,-120,-110,-143,-132,-135,-87,-97,-93,-111,-96,-202,-198,-321,-293,-308,-253,-361,-358,-570,-553,-857,-822,-1308,-1250,-1952,-1188,-29979,-29979,-29983,-29984,-29986,-29987]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O 6. Nbd2 d6 7. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. h3 h6 9. Re1 a4 10. Nf1 Bd7 {LiveBook: 5 Games} 11. d4 (11. a3 Bb6 12. Ng3 Re8 13. Nh4 Ng4 14. hxg4 Qxh4 15. Qf3 Bxg4 16. Qxf7+ {0-1 (31) Dominguez Perez,L (2739)-Caruana,F (2811) chess.com INT 2018}) 11... Bb6 12. Ng3 Re8 13. Be3 $146 ({Predecessor:} 13. Bf1 Na5 14. b4 axb3 15. axb3 {1-0 (65) Leko,P (2693)-Ganguly,S (2668) Doha 2016}) 13... exd4 14. Nxd4 Ne5 15. Bf1 Ng6 16. Nc2 {Black should prevent Bxb6.} (16. Nf3 $5 {[%cal Re3b6]}) 16... Bxe3 17. Rxe3 Ra5 18. Qd2 (18. Nd4 $11 {remains equal.}) 18... Rae5 $36 {[%cal Rf6e4][%mdl 2048] Black is more active.} 19. Rae1 Bc6 {[%cal Rf6e4]} 20. Nd4 (20. f3 $15) 20... Nxe4 $17 21. Nxe4 Bxe4 22. Bb5 (22. c4 $142) 22... c6 23. Bxa4 Qg5 (23... Nf4 $142 24. Rg3 Qf6) 24. f3 $2 {[%mdl 8192] [#]} (24. g3 $17 {only move.}) 24... Bxf3 $2 (24... Bd3 $1 $19 {[%cal Re5e3][%mdl 512] is more deadly.} 25. Rxe5 (25. Qxd3 Rxe3) 25... Rxe5 26. Qxg5 Rxe1+ 27. Kf2 Rf1+ 28. Ke3 hxg5 29. Kxd3 Nf4+ 30. Kc4 Rf2) 25. Nxf3 Rxe3 26. Nxg5 Rxe1+ 27. Kf2 {Nf3 is the strong threat.} hxg5 28. Qxe1 Rxe1 29. Kxe1 {[%mdl 4096] Endgame KB-KN} Nf4 30. Kf1 g6 31. Bc2 Kg7 32. a4 Kf6 33. a5 Ne6 34. Kf2 Ke5 35. Kf3 f5 36. g3 (36. b4 $17) 36... Nc5 $19 37. g4 (37. Bd1 $142) 37... Ne4 38. Ke3 d5 39. Ba4 (39. Ke2 {might work better.}) 39... Nd6 40. gxf5 (40. Ke2 $142 c5 41. gxf5 gxf5 42. Bd7) 40... gxf5 {[%cal Bg6f5,Bf5g4,Bg4g3][%mdl 32]} 41. b4 Nb5 42. Kd3 Kf4 43. c4 dxc4+ 44. Kxc4 g4 {Black mates.} 45. hxg4 fxg4 46. Kd3 g3 {Precision: White = 25%, Black = 69%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Runic, Zoran"]
[Black "Schlosser, Philipp"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2407"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,52,7,0,-77,-78,-89,-53,-65,30,12,85,85,65,-10,-10,-8,-4,-4,-9,-4,-7,-20,-22,-31,-28,-46,-49,-64,-72,-114,-84,-351,-367]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Rc8 7. Bd3 cxd4 8. cxd4 Qb6 {C02: French: Advance Variation} 9. Bc2 g5 10. h3 Nxd4 11. Nxd4 Bc5 {LiveBook: 6 Games} 12. O-O (12. Ne2 $11 {remains equal.} Bxf2+ 13. Kf1) (12. Ne2 Bxf2+ 13. Kf1 f6 14. Nbc3 fxe5 15. Na4 Bxa4 16. Bxa4+ {½-½ (43) Illescas Cordoba,M (2607)-Matamoros Franco,C (2581) Estepona 2014}) 12... Bxd4 $17 13. Nc3 Bxe5 {White must now prevent ...Ne7.} 14. Re1 $146 {[%cal Re1e5]} ({Predecessor:} 14. Ba4 Nf6 15. Bxg5 Rg8 16. Bxf6 Bxf6 {0-1 (37) Pap,M (2495)-Nguyen,C (2432) Creon 2008}) 14... Bb8 ({Black should play} 14... Bd4 $15 15. Nxd5 Bxf2+ 16. Kh1 Qd4) 15. Qxd5 Ne7 (15... h6 $11) 16. Qxg5 $16 {aiming for Qf6.} Rg8 17. Qxe7+ (17. Qh4 $1 $14) 17... Kxe7 $11 18. Nd5+ $1 Kd8 19. Nxb6 Rxc2 $40 {[%mdl 128] White needs to defend precisely.} 20. Nxd7 Kxd7 21. Rb1 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 22. Kf1 f5 23. Rd1+ Ke6 24. Bd2 e4 25. g3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 26. Be1 $2 {[%mdl 8192] [#]} (26. Bh6 $17 {is a better defense.}) 26... h4 $1 {[%mdl 512] Precision: White = 24%, Black = 60%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Bakalchuk, Johnatan"]
[Black "Kanarek, Marcel"]
[Result "1/2-1/2"]
[ECO "B57"]
[WhiteElo "2405"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,100,17,34,42,45,19,19,6,21,8,12,18,24,-23,-18,-22,-18,-21,-7,-15,-15,-15,-15,-12,-14,-13,-13,-12,-15,-16,-11,-11,-12,-17,-15,-18,-9,-16,-7,-14,-14,-14,-14,-41,-11,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. Bb3 g6 8. f3 Nxd4 9. Qxd4 Bg7 10. Be3 O-O {LiveBook: 41 Games. B57: Classical Sicilian: Sozin with 6...Qb6} 11. Qd3 (11. Qd2 b5 12. a4 bxa4 13. Nxa4 Bc6 14. O-O a5 15. Bb6 Qd7 16. Bxa5 Bh6 17. Qc3 Ra6 18. Kh1 Qa7 19. e5 Nd7 20. e6 Bg7 21. Nb6 {0-1 (21) Kravtsiv,M (2549)-Li,C (2622) Beijing 2008}) 11... Qa5 12. O-O Bc6 $146 ({Predecessor:} 12... b5 13. a3 Rab8 14. Rfd1 Qc7 15. a4 {½-½ (15) Penrose,J-Wade,R Whitby/ Yorkshire 1962}) 13. Bd4 b5 14. Rfe1 Rfe8 15. a4 {[%cal Ra4b5]} b4 16. Qc4 {[#] Threatens to win with Nb5.} bxc3 17. Qxc6 cxb2 18. Bxb2 Nh5 19. e5 Bxe5 20. Bxe5 dxe5 21. Qb5 Qc3 22. Qxe5 Rac8 23. Rad1 Nf6 24. Rd3 Qxe5 25. Rxe5 Rc7 26. h4 h5 27. Rd4 Nd7 28. Red5 Nc5 29. Rd8 Rxd8 30. Rxd8+ $11 {[%mdl 4096] Endgame KRB-KRN} Kg7 31. Rd4 e6 32. Rc4 {The position is equal.} e5 33. Kf2 a5 34. f4 e4 35. Rd4 f5 36. Rd5 Rc6 37. Re5 Kf6 38. Kf1 Rc7 39. Kf2 Rc8 40. Kf1 Rc7 41. Kf2 Rc8 42. Kf1 Nxb3 43. cxb3 {KR-KR} Rb8 44. Rxa5 Ke6 45. Ra6+ Kd5 46. Rxg6 Rxb3 47. Kf2 Rb2+ 48. Ke3 Rb3+ 49. Kf2 Rb2+ 50. Ke3 Rb3+ {Precision: White = 65%, Black = 71%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Menezes, Christoph"]
[Black "Korpa, Bence"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2400"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,52,0,0,-28,-27,-16,0,-47,-47,-52,-48,-46,-49,-54,-47,-45,-39,-77,-77,-88,-81,-97,-70,-79,-76,-66,-11,-10,-10,-11,-9,-16,-28]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. a3 Rb8 {A34: Symmetrical English: 2 Nc3, lines with ...d5} 9. d3 Be7 10. Nd2 Bd7 11. Nc4 f6 $1 {LiveBook: 8 Games} 12. Bd2 $146 ({Predecessor:} 12. f4 O-O 13. fxe5 Nxe5 14. Nxe5 fxe5 15. Rxf8+ Bxf8 16. Be3 {½-½ (42) Matlakov,M (2689)-Le,Q (2712) Dubai 2014}) 12... O-O 13. Rc1 Kh8 14. f4 b5 15. Ne3 exf4 $1 16. gxf4 Nd4 17. Ne4 Na6 18. f5 Be8 19. Ng4 Qd7 20. Bf4 Rc8 21. Ne3 Bf7 22. Kh1 Rfd8 23. Qe1 c4 (23... Nb3 $15 24. Rd1 Nc7) 24. dxc4 $11 {The position is equal.} bxc4 25. Rd1 Qe8 26. Nc3 Nc5 {Precision: White = 53%, Black = 76%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Ondersteijn, Niels"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2376"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,111,16,15,20,22,22,31,0,8,0,0,0,10,12,5,7,15,0,0,-50,-57,-82,-75,-91,-91,-85,-85,-98,-91,-77,-95,-88,-42,-38,0,-35,-34,-26,-42,-27,-39,-43,-43,-33,-11,-12,-8,-14,0,0,99,-22,-18,-11,-16,-68,-53,-43,-41,-56,-8,-8,0,-17,0,-15,0,0,0,-97,0,0,0,0,0,-138,-135,-124,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. Rb1 a5 9. d3 Be6 {A29: English Opening: Four Knights Variation with 4 g3} (9... O-O 10. Be3 Be6 11. Bxb6 cxb6 12. a3 f5 13. e3 Bf6 14. Rc1 Kh8 15. Re1 Bf7 16. Nb5 Bh5 17. Qc2 {0-1 (39) So,W (2812)-Karjakin,S (2781) Paris 2017}) 10. Be3 Nd5 11. Nxd5 Bxd5 12. Qa4 O-O {LiveBook: 16 Games} 13. Rbc1 Bd6 14. a3 Ne7 15. Nd2 $146 ({Predecessor:} 15. Bg5 h6 16. Bd2 Qe8 {½-½ (29) Blumenstiel,H (1778)-Rahn,O (2053) Ludwigshafen 2000}) 15... c6 16. Bxd5 Nxd5 17. Bc5 Re8 18. Qb3 Bxc5 19. Rxc5 Qd7 20. e4 a4 21. Qc2 Nc7 {[%cal Bd5c7,Bc7e6,Be6c5,Bc5e4][%mdl 32]} 22. Nf3 f6 $1 23. Kg2 Red8 24. Rd1 Ne6 25. Rc4 c5 $1 26. h3 b5 27. Rc3 c4 28. Qd2 Qb7 {...Nc5 is the strong threat.} 29. Qe1 Nc5 {[%cal Rd8d3]} 30. dxc4 Nxe4 31. Rxd8+ Rxd8 32. Re3 Nd6 33. cxb5 Qxb5 34. Qd1 Nb7 35. Qe2 Qd5 (35... Rd5 {feels hotter.} 36. Qc2 Rc5 37. Rc3 Rxc3 38. Qxc3 Nc5) 36. Kh2 Nc5 {[#]} (36... h6 $11) 37. Ne1 (37. Nxe5 $1 $16 {[%mdl 512]} Qd2 (37... fxe5 38. Rxe5) 38. Qc4+ Qd5 39. Rc3) 37... h6 38. Qc2 e4 39. f3 (39. Ng2 $11) 39... f5 40. fxe4 fxe4 41. Ng2 Qd4 42. Rc3 Ne6 43. h4 Qe5 44. Re3 Nc5 $36 {[%mdl 2048] Black fights for an advantage.} 45. Rc3 Nd3 46. Qxa4 (46. Rc8 $11 Rxc8 47. Qxc8+ Kh7 48. Qd7) 46... Nf2 ({Black should play} 46... Qf5 $17 {And now ...Ne5 would win.} 47. Ne3 Qf3) 47. Qc4+ Kh7 48. Qe2 Qf5 {Hoping for ...Rd1.} 49. Nf4 {[#]} (49. Kg1 $1 $11 Nd3 50. Ne3) 49... e3 $1 $17 {aiming for ...Rd2.} 50. Kg2 Qe4+ (50... Rd2 $17 51. Qxe3 Ne4+ 52. Kg1 Rd1+ 53. Kg2 Nxc3 54. Qxc3 g5 55. hxg5 hxg5) 51. Qf3 $11 {The position is equal.} Rd2 {( -> ...Ng4+)} 52. Rxe3 Nd1+ 53. Re2 Rxe2+ 54. Nxe2 Ne3+ 55. Kf2 Nd1+ 56. Kg2 $1 {Precision: White = 56%, Black = 65%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Lagunow, Raphael"]
[Black "Kasimdzhanov, Rustam"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2368"]
[BlackElo "2676"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,21,19,15,14,12,12,0,0,0,0,-17,-8,-23,-17,-11,-12,-37,-31,-50,-48,-56,-49,-50,-32,-36,-22,-69,-65,-79,-69,-72,-77,-70,-75,-70,-72,-95,-90,-89,-97,-124,-120,-112,-82,-78,-64,-93,-86,-105,-43,-54,-45,-50,-49,-110,-110,-109,-116,-115,-115,-104,-28,-27,-27,-31,-33,-22,-25,-20,-9,-22,-22,-62,-22,-29,-29,-28,-22,-22,-22,-27,-22,-22,-22,-23,-41,-43,-41,-94,0,0,0,0,0,0,-1,-5522,0,0,0,0,0,-12834,0,-1375,0,0,8,33]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 {Threatens to win with b4. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (6. O-O O-O 7. Re1 Ne7 8. d4 Bb6 9. a4 c6 10. dxe5 Ng4 11. Rf1 dxe5 12. Qxd8 Bxd8 13. h3 Nf6 14. Nxe5 Nxe4 15. Re1 {½-½ (42) Vachier Lagrave,M (2789)-Carlsen,M (2837) London 2017}) 6... a5 7. O-O h6 8. Na3 O-O 9. Nc2 Ne7 10. d4 exd4 $146 ({Predecessor:} 10... Ba7 11. dxe5 Nxe4 12. Be3 d5 13. Bd3 Ng6 14. Bxa7 Rxa7 {1-0 (67) Savchenko,B (2566)-Cheparinov,I (2710) Riadh 2017}) 11. cxd4 Bb6 12. e5 Nfd5 13. Bb3 Be6 14. Ne3 dxe5 15. Nxd5 Nxd5 {[%cal Be7d5,Bd5b4,Bb4d3][%mdl 32]} 16. dxe5 Nb4 17. Bd2 Nd3 18. Bc3 Nf4 19. Bd2 Bxb3 20. Qxb3 Qd3 21. Qxd3 Nxd3 22. Bc3 Rad8 23. b3 Rd5 24. Ra2 Rfd8 25. Rd2 Kf8 26. g3 Ke7 27. Kg2 Ke6 28. Rb1 g5 29. h3 Kf5 (29... Nb4 $17) 30. Kf1 c6 31. Kg2 h5 {[%cal Bh6h5,Bh5g4][%mdl 32]} 32. Kf1 (32. Re2 $15) 32... g4 $17 33. hxg4+ hxg4 34. Nh4+ Ke6 $1 35. Ng2 Ke7 (35... R5d7 $1 $17 36. Rxd3 Rxd3 37. Nf4+ Kf5 38. Nxd3 Rxd3) 36. Nh4 $11 Nxe5 37. Re2 Ke6 38. Rbe1 {[%cal Re2e5]} Bc7 39. Ng2 Rd1 40. Bxe5 Rxe1+ 41. Rxe1 Bxe5 {[%mdl 4096] Endgame KRB-KRN} 42. Ne3 $1 {[%cal Re3g4]} Bc3 43. Re2 Rd3 {Black wants to play ...Bd4.} 44. Nxg4+ Kd6 45. Re3 Rxe3 46. Nxe3 {KB-KN} Kc5 47. Nc2 $1 b5 48. axb5 $1 cxb5 49. Ke2 {[#]} a4 (49... Bd4 $1 $17 {Strongly threatening ...a4.} 50. f3 a4) 50. bxa4 bxa4 {White must now prevent ...Kc4.} 51. Kd3 Bg7 {And now ...Bb2 would win.} 52. g4 $1 Bb2 {aiming for ...a3.} 53. Ne1 $2 {[%mdl 8192] [#]} (53. f3 $11 a3 54. Nxa3 Bxa3 55. Ke4) 53... Bd4 $2 (53... a3 $1 $19 54. Kc2 Kc4) 54. f4 $1 a3 55. Nc2 Bb2 {...a2 is the strong threat.} 56. g5 $2 {[%mdl 8192]} (56. Nxa3 $11 Bxa3 57. Ke4) 56... Kd6 $2 (56... a2 $19 57. f5 Kb5) 57. f5 $2 {[%mdl 8192]} (57. Nxa3 $11 Bxa3 58. Ke4) 57... Ke7 $2 ({Black should try} 57... a2 $19 58. Kc4 Ke7) 58. g6 f6 {Hoping for ...a2.} 59. Nb4 {Precision: White = 55%, Black = 55%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Petkidis, Anthony"]
[Black "Noe, Christopher"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2314"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,88,40,39,69,47,72,21,58,60,95,82,87,41,89,65,101,98,99,92,93,103,85,75,96,73,73,72,72,65,78,67,68,61,76,8,8,8,8,8,8,8,8,0,14,8,6,8,7,0,15,7,4,0,8,0,8,0,8,7,8,0,0,0,10,0,122]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 d6 7. O-O O-O 8. h3 Ba7 9. Re1 Ne7 10. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Ng6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (10... c6 11. Bb3 Ng6 12. Bc2 Re8 13. d4 Nh5 14. Nf1 Nhf4 15. Ng3 exd4 16. cxd4 d5 17. e5 c5 18. Bxg6 Nxg6 {1-0 (51) Anand,V (2782)-Leko,P (2691) Riadh 2017}) 11. d4 exd4 12. cxd4 d5 13. exd5 {[#] LiveBook: 3 Games} Ne7 $146 {[%cal Bg6e7,Be7d5,Bd5b6][%mdl 32]} ({Predecessor:} 13... Nxd5 14. Ne4 c6 {0-1 (83) Leon Hoyos,M (2490)-Quesada Perez,Y (2619) Saint Louis 2017}) 14. Nb3 Nexd5 15. Bd2 (15. Nc5 $16) 15... Nb6 16. Bd3 Be6 17. Nc5 Bd5 18. Ne5 Nbd7 19. Bg5 Nxc5 20. dxc5 {Ng4 is the strong threat.} h6 21. Bxf6 Qxf6 {[#]} 22. Bh7+ $1 {[%mdl 512]} Kxh7 23. Qxd5 {aiming for Nd7.} Qf5 24. Qd7 Qxd7 25. Nxd7 Rfe8 26. b4 Rad8 {[#] Strongly threatening ...Rxe1+.} 27. Rxe8 Rxe8 $16 {[%mdl 4096] Endgame KRB-KRN} 28. b5 Kg6 29. bxa6 (29. Kf1 $16) 29... bxa6 $11 {The position is equal.} 30. Rb1 {And now Rb7 would win.} Re7 31. Rb7 Rxd7 32. Rxa7 {KR-KR} Kf5 33. Rxa6 Ke5 34. Kf1 Kd5 35. c6 Re7 36. f3 Re3 37. Kf2 Rc3 38. g4 Rc2+ 39. Kg3 g5 40. h4 Rxc6 41. Ra5+ Rc5 42. Ra6 Rc6 43. Ra5+ Rc5 44. Ra6 Ke5 {Precision: White = 50%, Black = 36%.} (44... gxh4+ $11 {keeps the balance.} 45. Kxh4 Rc1) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Pajeken, Jakob Leon"]
[Black "Bellahcene, Bilel"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2162"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,46,187,191,185,183,185,185,173,209,198,196,0,0,-7,-14,-150,-123,-1145,-1200,-1005,-921,-29998,-29999]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 {[%cal Bd4b5,Bb5a3,Ba3c4][%mdl 32]} d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Ne3 Qb6 11. Bxf6 {B33: Sicilian: Pelikan and Sveshnikov Variations} (11. Rb1 Nxe4 12. Nxe4 h6 13. Bc4 Bxc4 14. Nxc4 Qb4+ 15. Ncd2 hxg5 16. c3 Qb5 17. Qg4 Rd8 18. c4 Qb6 19. Qxg5 {½-½ (51) Erenburg,S (2568)-Ginsburg,M (2365) New York 2008}) 11... Qxb2 12. Ncd5 Bxd5 13. Nxd5 Nb4 {LiveBook: 3 Games} 14. Rb1 Nxc2+ {[#]} 15. Kd2 $1 ({And not} 15. Ke2 Qxa2 16. Rxb7 Nb4+ 17. Qd2 Rc2 $11) 15... Qxa2 ({Much worse is} 15... Qd4+ 16. Bd3 $16) 16. Nc3 Rxc3 17. Kxc3 Nd4 {And now ...Qa5+ would win.} 18. Rxb7 $146 (18. Ra1 $18 Qe6 19. Bg5) ({Predecessor:} 18. Ra1 Qxf2 19. Rxa6 gxf6 {0-1 (27) Sanchez,L (1590)-Rouzaud,P (2205) France 2003}) 18... Qa3+ $11 19. Kd2 {[#] Strongly threatening Rb8+.} gxf6 {[%cal Bg7f6,Bf6f5][%mdl 32]} 20. Qh5 (20. Ke1 $11) 20... Qa5+ 21. Ke3 $2 {[%mdl 8192]} (21. Kd1 $17 Qa1+ 22. Kd2 Qa2+ 23. Ke1) 21... Bh6+ $19 22. Qxh6 f5 23. Qh5 Qc3+ {Precision: White = 14%, Black = 97%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.03.31"]
[Round "5"]
[White "Vinke, Andreas"]
[Black "Pavlovic, Milos"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2162"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,20,26,35]} 1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. d4 Be7 5. Bg2 O-O 6. O-O b6 7. cxd5 exd5 8. Nc3 Bb7 9. Bf4 Na6 10. Rc1 c5 {LiveBook: 55 Games} {Predecessor:} 11. Be5 $146 Nc7 12. Nh4 Ng4 13. Nf5 Nxe5 14. dxe5 Qd7 15. Bh3 Kh8 16. e3 d4 17. exd4 g6 18. Nd6 Qxh3 19. Nxb7 cxd4 20. Qxd4 {1-0 (48) Sjugirov,S (2660)-Pershin,D (2345) St Petersburg 2016} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Bacrot, Etienne"]
[Black "Wild, Achim"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2718"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,26,21,24,17,17,18,25,24,33,34,33,34,35,35,41,40,49,47,50,42,53,39,43,41,41,33,62,46,59,35,37,39,54,42,39,39,95,78,322,347,400,382,506,497]} 1. e4 d6 2. Nc3 e5 3. Nf3 Nf6 4. Bc4 Be7 5. O-O O-O 6. d3 Nc6 7. a3 Bg4 8. h3 Bh5 9. Be3 Nd4 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} (9... Qd7 10. Nd5 Nxd5 11. Bxd5 Bg6 12. c3 Nd8 13. Nd2 c6 14. Ba2 Ne6 15. d4 Rfd8 16. Qg4 exd4 17. cxd4 {0-1 (47) Hovhannisyan,R (2631)-Harutyunian,T (2511) Yerevan 2017}) 10. Bxd4 exd4 11. Nd5 Nxd5 {The position is equal.} 12. Bxd5 Bxf3 $146 ({Predecessor:} 12... c6 13. Bb3 Bf6 14. g4 Bg6 15. Qd2 h6 16. Qb4 b6 17. Qd2 {0-1 (63) Makaj,N (1956)-Novak,I (2128) Podturen 2013}) 13. Qxf3 c6 14. Bb3 Rc8 {[%cal Ba8c8,Bc8c7,Bc7e7,Be7e8][%mdl 32]} 15. Qg4 Bf6 16. Rae1 Rc7 17. f4 Re7 18. Kh2 Qc7 19. g3 Kh8 20. h4 Ree8 21. Qf3 b5 22. Re2 d5 23. Rfe1 dxe4 24. dxe4 {[%cal Bd3e4,Be4e5][%mdl 32]} c5 25. e5 Be7 26. Bd5 $36 {[%mdl 2048] White is pushing.} c4 (26... Rd8 $14) 27. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} Bc5 $2 (27... Bd8 $16 {was called for.}) 28. f6 $18 {[#] fxg7+ is the strong threat.} g6 29. h5 d3 30. cxd3 {Precision: White = 73%, Black = 35%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Wang, Hao"]
[Black "Nasuta, Grzegorz"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2713"]
[BlackElo "2465"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,10,11,45,53,48,43,35,52,48,54,44,57,75,89,122,100,105,131,109,111,121,120,130,132,116,130,106,128,102,105,127,114,239,235,265,248,333,328,326,300,341,288,284,272,260,281,278,278,281,270,317,292,312,295,370,360,369,387,350,338,827,800,29975,29976,29980,29981,29982,29983,29982,29983,29995,29996]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. g4 O-O 11. g5 Nh5 12. O-O-O b5 13. Nd5 Bxd5 14. exd5 f6 15. gxf6 Bxf6 16. Kb1 Nf4 17. Rg1 Kh8 18. Bd3 Bg5 19. Na5 Bh6 20. Nc6 Qh4 21. Qb4 {½-½ (49) Caruana,F (2784)-Mamedyarov,S (2809) Berlin 2018}) 6... e5 7. Nb3 Be6 8. f4 {LiveBook: 22 Games. The position is equal.} Qc7 9. f5 Bc4 10. Bg5 $146 ({Predecessor:} 10. Nd2 Bxf1 11. Nxf1 Qc6 12. Qf3 b5 13. Ne3 Nbd7 {1-0 (42) Dastan,B (2529)-Garanin,A (2192) Riga 2017}) 10... Nbd7 11. Qf3 b5 12. a3 Rc8 13. Bxc4 bxc4 14. Nd2 Qa5 15. Bxf6 Nxf6 16. Qe2 d5 17. exd5 Bb4 {[#]} 18. Rh3 $1 O-O {With the idea ...Bxc3.} 19. Nxc4 Qxd5 {Hoping for ...Bxc3+.} 20. Nb6 ({Of course not} 20. axb4 $6 Qxc4 21. Qxc4 Rxc4 $11) 20... Qb7 21. Nxc8 Bxc3+ 22. bxc3 {[#] aiming for Nd6.} Qxc8 23. O-O-O Qxf5 (23... e4 $16) 24. Rhd3 $18 ({Much less strong is} 24. Qxa6 $6 h6) 24... Qf4+ 25. Qe3 Qa4 26. c4 ({Weaker is} 26. Qxe5 Qxa3+ 27. Kb1 Ng4 $18) 26... Qxc4 27. Qxe5 Ng4 28. Qd4 Qe6 29. Qf4 Qc8 30. g3 h6 31. Kb2 h5 32. Rc3 Qe6 33. Rd6 Qe2 34. Rd5 g6 35. Qd4 Kh7 36. Rd8 Rxd8 37. Qxd8 {[%mdl 4096] Endgame KQR-KQN} Ne3 $2 (37... Qe5 38. Qc7 Qf6) 38. Rc8 {[%csl Gc8][%cal Rd8h8]} Nc4+ 39. Kc3 {[%csl Gc8][%cal Rd8h8] White mates.} Qe5+ 40. Kxc4 Qb5+ 41. Kc3 {[%csl Gc8][%cal Rd8h8]} Qe5+ 42. Qd4 Qxg3+ 43. Kb2 {Precision: White = 99%, Black = 48%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Kasimdzhanov, Rustam"]
[Black "Obolentseva, Alexandra"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2676"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,49,47,44,21,63,60,68,67,76,60,79,68,77,59,99,106,103,100,114,119,126,108,415,373,431,391,481,462,994,1045,1033,1033,1029,1009]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} (7. Bc4 h6 8. Bh4 g6 9. Qe2 e5 10. Nb3 Be7 11. a4 Nb6 12. Bd3 Be6 13. a5 Nbd7 14. Bc4 Rc8 15. Bxe6 fxe6 16. O-O {1-0 (79) Nepomniachtchi,I (2751)-Fedoseev,V (2724) Moscow 2018}) 7... g6 8. O-O-O Bg7 9. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} O-O {LiveBook: 13 Games} 10. g4 h6 11. Bxf6 $146 ({Predecessor:} 11. Bh4 e5 12. fxe5 Nxe5 13. h3 Bd7 14. Nf3 Qa5 15. Rxd6 {½-½ (77) Kosintseva,T (2517)-Ushenina,A (2477) Huashan City 2013}) 11... Nxf6 12. f5 $1 Nd7 13. Qe3 Ne5 14. Be2 Bd7 15. h4 Rc8 16. g5 {[%cal Bg4g5,Bg5f6][%mdl 32]} h5 17. Rhf1 Nc4 {[#]} 18. Bxc4 $1 Rxc4 19. Nd5 {Threatens to win with f6.} e6 $2 {[%mdl 8192] [#]} (19... Bxd4 $16 {is a better chance.} 20. Rxd4 Bb5) 20. Nf6+ $1 $18 {[%mdl 512]} Bxf6 21. gxf6 {Hoping for Qh6.} exf5 {[#]} 22. Nxf5 $1 {[%mdl 512] White is clearly winning.} Bxf5 (22... Rc6 $142 23. Ne7+ (23. Nxd6 Kh7 $18) (23. Rxd6 Rxd6 24. Nxd6 Kh7 $18) 23... Kh7 24. Nxc6 Bxc6) (22... gxf5 23. Qg5+) 23. Rxf5 {White wants to mate with Qh6!} Kh7 {[#]} 24. Rdd5 $3 {[%mdl 512] White threatens Rxh5+! and mate.} Rc5 25. Rxc5 {Precision: White = 100%, Black = 39%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Korobov, Anton"]
[Black "Antal, Gergely"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2664"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,111,15,16,11,46,31,39,44,43,46,45,52,62,70,80,37,89,90,110,99,106,105,110,99,115,115,108,113,102,110,129,100,97,98,110,112,122,111,94,39,33,33,36,28,23,30,45,45,45,44,49,21,49,49,58,50,70,24,19,0,10,0,0,0,14,19,20,12,22,0,7,0,8,8,100,108,114,107,110,115,614,612,556,158,11808,9257,8309,6579,5431,4374,29979,29977,29984,29985,29985,29984]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nf3 Bd6 6. O-O O-O 7. b3 b6 8. Ba3 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} Bxa3 9. Nxa3 Bb7 {LiveBook: 3 Games} 10. cxd5 $146 {The position is equal.} ({Predecessor:} 10. Nc2 dxc4 11. bxc4 Qe7 12. e3 Nbd7 13. Qe2 c5 14. a4 e5 15. dxc5 Nxc5 {0-1 (40) Pantzar,M (2257)-Carlsen,M (2838) chess.com INT 2017}) 10... Bxd5 11. Nc4 Nbd7 12. Rc1 Rc8 13. Ne3 Qe7 14. Nxd5 Nxd5 15. e3 c5 16. Qe2 Rc7 (16... N7f6 $14) 17. e4 fxe4 18. Qxe4 Rfc8 19. Rfe1 Nf8 20. h4 Qd6 21. dxc5 Rxc5 22. Rxc5 Rxc5 23. Ng5 Nc7 {[%cal Bd5c7,Bc7b5,Bb5c3][%mdl 32]} 24. Qf3 Rf5 25. Qb7 h6 26. Ne4 Qb4 27. Rd1 Nb5 28. Kh2 (28. Rd8 $16) 28... Nc3 $14 29. a3 Qa5 30. b4 Qe5 31. Rd2 Nxe4 32. Qxe4 Qxe4 33. Bxe4 $11 {[%mdl 4096] Endgame KRB-KRN} Rf7 34. Kg2 Rd7 35. Rc2 Kf7 36. Rc8 Ke7 37. Ra8 Rc7 38. f4 Nd7 39. b5 Nc5 40. Bg6 Nb3 41. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Kd6 42. g5 Nd4 43. Bd3 Kc5 44. h5 Nxb5 45. Rh8 Nxa3 (45... Nc3 $1 $11 {keeps the balance.}) 46. gxh6 $16 gxh6 47. Rxh6 Kd4 {[#]} 48. Rh7 $1 {[%cal Rh7c7]} Rxh7 $4 {[%mdl 8192]} (48... Rc8 $16 49. Ba6 Rf8) 49. Bxh7 {KB-KN} Nc4 {intending ...Ne3+.} 50. h6 Ne3+ $2 (50... Ne5 $16) 51. Kg3 $18 Nd5 52. Bc2 Nf6 53. Kh4 e5 54. Kg5 {White mates.} exf4 55. Kxf6 f3 56. Bd1 {Precision: White = 70%, Black = 37%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Shirov, Alexei"]
[Black "Xu, Xianliang"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2651"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,46,51,44,45,58,74,67,70,78,71,38,52,70,94,58,104,78,164,147,131,90,266,254,177,55,42,46,63,84,420,222,531,0,0,0,0,0,646,647,643,640,639,638,618,607,593,581,2167,1158,970,949,29984,29985,29985,29986,29986,29987,29987,12841]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O {[%cal Be1c1,Bc1b1,Bb1a1][%mdl 32]} Rb8 11. Bb3 Na5 12. g4 {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines} (12. h4 b5 13. h5 Nc4 14. Bxc4 bxc4 15. hxg6 fxg6 16. Bh6 Qb6 17. b3 Bxh6 18. Qxh6 Qa5 19. Kb2 Rfc8 20. Nd5 cxb3 21. axb3 Kf7 22. Qd2 Qxd2 23. Rxd2 {½-½ (46) Fedoseev,V (2724)-Nakamura,H (2787) Moscow 2018}) 12... b5 13. Kb1 Nc4 14. Bxc4 $1 {White is better.} bxc4 15. Ka1 Qa5 (15... Qb6 $6 16. Rb1 $11) 16. h4 (16. Nd5 $6 Qd8 $15) 16... h5 $1 17. gxh5 Nxh5 $146 ({Predecessor:} 17... Qxh5 18. Rhg1 Qa5 19. Rg5 d5 {1-0 (50) Hengl,C (2390)-Celestini,M (2235) ICCF email 2017}) 18. Rhg1 Rfe8 19. Nde2 Rb6 (19... Nf6 $16 {is a better defense.}) 20. Rg5 Qb4 {[%csl Gb6][%cal Rb4b2]} 21. Qc1 {Rxh5 is the strong threat.} Ra6 $2 (21... Reb8 $16) 22. Rdg1 Ra5 23. Bd4 ({White should try} 23. Nd5 $18 Qa3 24. Nec3 Bxc3 25. Nxc3) 23... Rxg5 $14 24. Rxg5 Bxd4 25. Nxd4 Nf4 $2 {[%mdl 8192]} (25... Qb6 $16 26. Nf5 Qf2) 26. h5 (26. Qxf4 $142 e5 27. Qc1 exd4 28. Nd5) 26... f6 $2 (26... Nxh5 $6 27. Nd5) (26... Rb8 {is a better chance.} 27. hxg6 fxg6) 27. Rxg6+ $2 (27. Qxf4 fxg5 28. Qxg5 Rb8 $11) (27. Nd5 $18) 27... Nxg6 $11 28. Nd5 Qc5 29. Qg1 $36 {[%mdl 2048] White is more active.} Kf8 $2 {[%mdl 8192] [#]} (29... Kh8 $11 30. Qxg6 (30. hxg6 Kg7 $15) 30... Qxd4 31. Qh6+ Kg8 32. Qg6+ Kh8 33. Qh6+ Kg8 34. Qg6+ Kh8) 30. c3 $1 $18 ({Stronger than} 30. Qxg6 Qxd4 31. Qh6+ Kg8 $11) ({Weaker is} 30. hxg6 Kg7 $15) 30... Ne5 {Hoping for ...Kf7.} 31. h6 {[%csl Gh6][%cal Rg1g7,Bh5h6,Bh6h7][%mdl 32]} Ng4 32. fxg4 Kf7 33. g5 Rg8 34. h7 Rh8 35. g6+ Kg7 36. Nf4 Qe5 {[#]} 37. Nf5+ $1 {[%mdl 512] White mates.} Bxf5 38. Nh5+ Kh6 39. g7 Rxh7 40. g8=Q {Precision: White = 63%, Black = 33%.} (40. Qc1+ $142 Kxh5 41. Qh1+ Kg4 42. g8=Q+ Rg7 43. Qxg7+ Bg6 44. Qg2+ Kh4 45. Q7xg6 Qg5 46. Qh7+ Qh5 47. Qh2+ Kg5 48. Q7xh5#) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Fridman, Daniel"]
[Black "Malakhatko, Vadim"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2637"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,1,4,0,0,0,0,0,0,0,0,-4,17,17,13,13,13,16,12,12,15,7,7,6,6,8,19,19,16,15,24,17,29,16,23,20,36,14,40,33,47,44,39,23,35,29,65,67,67,66,66,66,71,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Qc2 g6 5. Bf4 Bg7 6. e3 O-O 7. Nc3 Na6 8. cxd5 Nb4 {LiveBook: 12 Games. D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3} 9. Qb3 Nbxd5 10. Be5 Qb6 11. Bc4 Qxb3 12. Bxb3 Nxc3 13. bxc3 Ne4 14. Rc1 b6 $146 ({Predecessor:} 14... Bf5 15. Ke2 Bg4 16. h3 Bxf3+ 17. gxf3 Bxe5 18. fxe4 {1-0 (32) Mchedlishvili,M (2557)-Friedrich,N (2288) Saint Vincent 2004}) 15. Bxg7 Kxg7 16. Ne5 Bb7 17. f3 Nd6 18. e4 c5 19. dxc5 bxc5 20. Kf2 Rfc8 21. Nc4 Nxc4 22. Bxc4 Bc6 23. Rb1 Rab8 24. Ke3 Rb6 25. Rb3 e6 26. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Kf6 27. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rc7 28. g5+ Ke7 29. h5 Ba4 30. Ra3 Bb5 31. Bxb5 Rxb5 32. hxg6 hxg6 $14 {[%mdl 4096] Endgame KRR-KRR} 33. Rh8 $1 c4 {[#]} 34. f4 (34. Ra8 $1 $16) 34... Rd7 $11 {The position is equal.} 35. e5 Rb2 36. Ke4 Re2+ 37. Kf3 Rc2 38. Ke4 Re2+ 39. Kf3 Rc2 {[#] ( -> ...Rd3+)} 40. Ke4 Re2+ {Precision: White = 77%, Black = 56%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Banusz, Tamas"]
[Black "Braeuer, Franz"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2618"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,81,42,50,41,56,59,66,61,57,50,50,51,55,45,37,19,25,19,19,19,19,18,18,18,18,12,12,14,31,46,52,46,341,339,341,335,334,331,408,411,423,414,396,213,450,441,647,627,671,656,1054,1044,960,826,5222,5222,2254,1835,29981,29982]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. O-O Nf6 5. d3 h6 6. c4 e6 7. cxd5 exd5 8. Qb3 {A11: English Opening: 1...c6} Qb6 9. Qc2 Be7 10. Nc3 O-O 11. e4 Bh7 12. Be3 Qa6 {LiveBook: 23 Games} 13. Rfd1 (13. Rad1 Nbd7 14. h3 Rad8 15. Rfe1 Bb4 {1-0 (38) Matlakov,M (2694)-Mchedlishvili,M (2601) Doha 2016}) 13... Rd8 14. Qb3 Nbd7 {[%cal Rd5e4,Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 15. exd5 cxd5 16. d4 $146 Qb6 17. Nxd5 Nxd5 18. Qxd5 Qxb2 19. Ne1 Nc5 20. Qc4 Ne4 $1 {[%cal Re4c3]} 21. Rdb1 Qa3 22. Rb3 $36 {[%mdl 2048] White has the initiative.} Qa5 23. Rxb7 Nd6 24. Qc7 Nxb7 25. Qxe7 Rab8 $1 26. Bxb7 {[#] Threatens to win with Bc6.} Re8 27. Qd7 {Hoping for Bg2.} Rxe3 $4 {[%mdl 8192]} ({Black should play} 27... Bf5 $14 28. Qd5 Qc3) 28. fxe3 $18 Qc3 29. Rd1 Qxe3+ {[#]} 30. Kf1 $1 (30. Kh1 $2 Qe2 $19) 30... Be4 31. Bd5 Bxd5 32. Qxd5 Rb6 {White must now prevent ...Rf6+.} 33. Nd3 (33. Ng2 $142 Qe7 34. Nf4) 33... g5 $2 (33... g6 {is a better defense.} 34. Nf2 Rb2 35. Qd8+ Kg7 36. Qf6+ Kxf6 37. Ng4+ Ke6 38. d5+ (38. Nxe3 Rxh2 39. d5+ Kd7 $18) 38... Kd7 39. Nxe3 Rxh2) 34. Nf2 ({And not} 34. Kg2 Rf6 $14) 34... Rb2 (34... Kg7 $142 35. Re1 Qc3) 35. Qf5 Qe2+ 36. Kg1 Rxa2 37. d5 {[%cal Bd4d5,Bd5d6][%mdl 32]} Rd2 38. Rxd2 Qe1+ 39. Kg2 {Intending Ne4 and mate.} Qxd2 40. Qe5 a5 41. d6 {Precision: White = 66%, Black = 47%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Bindrich, Falko"]
[Black "Ider, Borya"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2602"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,158,4,17,14,10,0,0,0,0,-9,0,7,41,40,86,88,75,78,104,102,104,99,99,99,103,91,87,89,91,91,106,95,107,81,106,107,154,88,86,85,87,66,70,82,79,47,167,168,160,65,77,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. g3 c5 3. Nf3 b5 4. Bg2 Bb7 5. c3 Nf6 6. O-O cxd4 7. cxd4 Be7 8. Bg5 O-O 9. Nbd2 h6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 10. Bxf6 Bxf6 {LiveBook: 6 Games} 11. Qb3 (11. e4 Qb6 12. a4 Nc6 13. axb5 Nxd4 14. Nc4 Nxf3+ 15. Bxf3 Qd4 16. Qxd4 Bxd4 17. Nd6 {0-1 (44) Tsydypov,Z (2406)-Kazhgaleyev,M (2566) St Petersburg 2014}) 11... Qb6 12. a4 $146 ({Predecessor:} 12. e3 Nc6 13. Rfc1 Na5 14. Qd3 Rac8 15. Ne4 Bxe4 16. Qxe4 d5 {½-½ (16) Hedke,F (2347)-Kopylov,M (2431) Germany 2001}) 12... Nc6 13. e3 bxa4 14. Rxa4 Be7 15. Ne5 Nxe5 (15... d5 {with more complications.} 16. Nd7 Qxb3 17. Nxb3 Rfd8 18. Ndc5 Rab8) 16. Bxb7 Rab8 17. Qxb6 ({Of course not} 17. dxe5 $6 Qxb3 18. Nxb3 Rxb7 $11) 17... axb6 18. Ra7 Ng6 19. Be4 f5 20. Bd3 d5 21. Rc1 Rfc8 22. Rcc7 Rxc7 23. Rxc7 Bd8 24. Ra7 Nf8 25. Nf3 Bf6 26. Bb5 Rc8 27. Rb7 Rc2 28. b3 ({But not} 28. Rxb6 $6 Rxb2 29. Kg2 Rb1 $11) (28. b4 $142) 28... Rc3 29. Ba4 g5 30. Kg2 g4 31. Ne1 $1 Bd8 32. h3 h5 {[#]} (32... gxh3+ $1 $14 33. Kxh3 Bc7) 33. h4 $1 $18 f4 34. gxf4 (34. exf4 $16 {Hoping for Be8.} Bxh4 35. gxh4) 34... Bxh4 $14 35. Be8 (35. Rxb6 $16 Be7 36. Kg3) 35... Rc1 $11 {The position is equal.} 36. Nd3 Rd1 37. Ne5 Rd2 38. Bf7+ Kh8 39. Bxh5 Bxf2 40. Rf7 Kg8 41. Nxg4 {[#] White threatens Nf6+ and mate.} Bxe3+ $1 42. Kf3 {Intending Nf6+ and mate.} Bxd4 43. Nh6+ Kh8 44. Rxf8+ Kg7 45. Re8 Kxh6 {[%mdl 4096] Endgame KRB-KRB} 46. Bf7 Rd3+ 47. Kg4 Rxb3 48. Bxe6 Kg6 49. Bxd5 Re3 50. Rc8 Rc3 51. Rb8 (51. Rf8 {feels hotter.} Rc1 52. f5+ Kg7 53. Rf7+ Kh6 54. Re7) 51... Rc7 52. Rd8 {Black must now prevent Be4+.} Bc5 53. Be4+ Kf6 54. Rh8 Rg7+ 55. Kf3 Rg1 56. Rh6+ Kg7 57. Rc6 Rf1+ 58. Kg4 Be3 59. Bf3 Kf7 60. Rc3 Bd4 61. Rd3 Bc5 62. Kf5 Ke7 63. Bc6 Bd6 64. Re3+ Kd8 65. Bf3 Kd7 66. Rd3 b5 67. Kf6 b4 68. f5 Rc1 69. Bd5 Rc3 70. Be6+ Kc6 71. Rd1 Bc5 72. Kf7 Kb5 73. f6 b3 74. Rb1 Kb4 75. Ke8 Ka3 76. Rxb3+ Rxb3 77. Bxb3 Kxb3 78. f7 Kc4 79. f8=B Bxf8 {Precision: White = 67%, Black = 75%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Bernadskiy, Vitaliy"]
[Black "Poetsch, Hagen"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2588"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,39,7,10,38,-16,-16,-16,-9,-5,-7,-5,-11,-24,0,0,0,0,0,0,6,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. e4 O-O 7. exd5 Nxd5 8. Nc3 {A07: Réti Opening: New York and Capablanca Systems} Ne7 9. Re1 Nbc6 10. Rb1 {LiveBook: 9 Games} f5 $146 ({Predecessor:} 10... a5 11. a3 a4 12. Re4 Nd5 13. Bd2 Bf5 14. Re1 Nb6 15. Qc1 Re8 16. Bh6 f6 17. Ne4 {½-½ (63) Nepomniachtchi,I (2729)-Caruana,F (2799) London 2017}) 11. Bg5 ({Better is} 11. Qe2 $14) 11... h6 $1 $11 {[%cal Rh6g5]} 12. Bxe7 Qxe7 13. Nd2 Be6 14. Bxc6 $1 bxc6 15. Nf3 Qd6 16. Qe2 {[%cal Rf3e5] The position is equal.} Rae8 17. Nxe5 Bxa2 18. Nxa2 {[#] Hoping for f4.} Rxe5 19. Qf1 Rfe8 20. Nc3 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Lagarde, Maxime"]
[Black "Kevlishvili, Robby"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2587"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,41,8,7,68,61,52,29,103,100,108,83,109,78,85,23,63,66,67,66,80,62,46,38,42,24,42,41,46,43,193,197]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. e3 Nf6 5. d4 (5. b4 Nxd5 6. bxc5 Nf6 7. Bb2 Qe7 8. Nf3 Nc6 9. d4 exd4 10. Nxd4 Nxd4 11. Qxd4 b6 12. Qe5 Qxe5 13. Bxe5 {½-½ (25) Cheparinov,I (2695)-Fedorchuk,S (2640) Mali Losinj 2017}) 5... Nxd5 6. dxc5 {A21: English Opening: 1...e5 2 Nc3} Nf6 7. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] LiveBook: 5 Games} a5 ({Black should play} 7... O-O $11) 8. b5 $146 {White is slightly better.} ({Find the theoretical novelty and annotate with similar games:} 8. Qa4 O-O 9. Nf3 d6 10. cxd6 cxd6 11. Be2 Na6 12. bxa5 Nc5 {½-½ (33) Kollars,D (2510)-Colpe,M (2412) Lueneburg 2017}) 8... Qe7 9. a4 Qxc5 (9... d6 $11 {remains equal.}) 10. Ba3 $16 Qb6 11. c5 {[%mdl 1024] White has strong compensation.} Qe6 12. Qc2 O-O 13. Bc4 ({Better is} 13. Nf3 $16) 13... Qe7 14. Nf3 d6 15. cxd6 cxd6 16. Rd1 $36 {[%mdl 2048] White is pushing.} Ne8 $1 17. Bd3 {[%cal Bc4d3,Bd3h7,Bh7f5,Bf5g6][%mdl 32]} Nd7 $1 18. Bxh7+ Kh8 19. Bf5 Nb6 $1 20. O-O g6 {[#]} (20... Kg8 $14) 21. Bxg6 $1 {Precision: White = 57%, Black = 45%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Sadzikowski, Daniel"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2583"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,25,8,22,16,18,18,16,28,29,15,24,27,27,5,0,8,13,0]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nc3 Nf6 5. e3 (5. Nf3 O-O 6. g3 b6 7. Bg2 Bb7 8. O-O d6 9. Qc2 Bxc3 10. Bxc3 Be4 11. Qd1 Nbd7 12. b3 Rfe8 13. Re1 h6 14. Bf1 Bxf3 15. exf3 d5 16. f4 Qd6 17. Qc2 {½-½ (35) Kazhgaleyev,M (2566)-Rakhmanov,A (2636) St Petersburg 2014}) 5... O-O 6. Bd3 {A40: Unusual replies to 1 d4} d5 7. cxd5 exd5 8. a3 Bd6 $146 ({Predecessor:} 8... Bxc3 9. Bxc3 Nc6 10. Ne2 Bg4 11. O-O a6 12. b4 {½-½ (42) Donner,J-Petrosian,T Beverwijk 1960}) 9. Nb5 Re8 10. Nxd6 Qxd6 11. f3 b6 12. b4 {[%cal Bb2b4,Bb4c5][%mdl 32]} c5 {Strongly threatening ...cxd4.} 13. bxc5 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Moussard, Jules"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2576"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,26,-17,0,-22,-20,-15,-24,-32,-30,-23,-21]} 1. c4 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Qxd7 8. Qxd7+ Bxd7 9. Bxg2 c6 {LiveBook: 8 Games. A27: English Opening: Three Knights Variation} 10. b3 (10. O-O Nf6 11. Bf4 Be7 12. Rfd1 Be6 13. b3 Kf7 14. e3 Rad8 15. Ne2 Rxd1+ 16. Rxd1 Rd8 17. Rxd8 Bxd8 18. Nd4 Bd7 19. Nf3 Bc8 20. Ne5+ Ke6 21. Nd3 Ne4 22. Bb8 {½-½ (22) Vitiugov,N (2617)-Blagojevic,D (2532) Plovdiv 2008}) 10... Nf6 11. Bb2 O-O-O 12. Rd1 Be7 13. O-O Be6 {Predecessor:} 14. e3 $146 Rxd1 15. Rxd1 Rd8 16. Rxd8+ Kxd8 17. Ne2 g6 18. Bd4 {½-½ (18) Ree,H-Gheorghiu,F Teeside 1972} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Heimann, Andreas"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2574"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,22,0,10]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 {Predecessor:} 12. Rc1 $146 f6 13. Rg1 Rf7 14. b3 Bd7 15. Ba5 e6 16. Nd2 Rc8 17. Rxc8+ Bxc8 18. Ne4 Bf8 19. Ke2 Bb7 20. f3 {½-½ (41) Inarkiev,E (2683)-Vachier Lagrave,M (2796) Palma de Mallorca 2017} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Mikhalevski, Victor"]
[Black "Chernov, Vadim"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2557"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,166,32,45,37,19,40,10,97,96,322,314,322,343,295,242,267,260,262,255,506,494,495,477,442,-261,-256,-632,-634,-615,-298,-297,0,0,0,0,2,2,7,-90,-81,-86,-83,-150,-138,-197,-196,-181,-184,-178,-175,-177,-141,-140,-67,-181,-168,-171,-190,-310,-303,-391,-253,-314,-222,-207,-227,-217,-187,-205,-199,-214,-208,-207,-169,-168,-172,-150,-151,-221,0,-151,0,-170,-151,-180,-160,-235,-220,-236,-226,-203,-172,-291,-268,-326,-321,-310,-300,-292,-295,-295,-281,-281,-281,-378,-281,-281,-281,-281,-171,-171,-171,-171,-171,-272,-272,-272,-256,-4631,-2332,-6613,-5427,-29971,-29972,-29974,-29975,-29975,-29976,-29976,-29977,-29973,-913,-29979,-29980,-29979,-29981,-29981,-29982,-29982,-29983,-29984,-29985,-29985,-29986,-29986,-29987,-29988,-29988]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. Bc1 e6 8. e4 exd5 9. exd5 Bd6 {A45: Trompowsky Attack} (9... Be7 10. c4 d6 11. Bd3 Nbd7 12. f4 O-O 13. Nc3 Re8 14. Nge2 Nf8 15. Qc2 Bg4 16. O-O Bxe2 17. Bxe2 {0-1 (55) Mchedlishvili,M (2600)-Melkumyan,H (2664) Batumi 2018}) 10. Na3 O-O 11. Nc4 {LiveBook: 5 Games} Re8+ {White is slightly better.} 12. Kf2 Qc7 13. Bg5 Nh5 $146 (13... b5 $11 {keeps the balance.} 14. Nxd6 Qxd6) ({Predecessor:} 13... b5 14. Nxd6 Qxd6 15. Bxb5 Na6 16. Qd2 Nc7 17. Bc4 Nfxd5 {½-½ (45) Pauwels,C (2549)-Jaworski,M (2447) ICCF email 2012}) 14. g4 $16 Bg3+ $2 (14... Bxh2 $2 15. d6 $18) (14... Nf4 $16 {was called for.}) 15. Kg2 $18 {d6 is the strong threat.} Bf4 16. d6 (16. Nh3 Bxg5 17. Nxg5 Nf6 $11) 16... Qc6 17. Nh3 Bxg5 18. Nxg5 Nf6 19. Bd3 h6 $2 (19... Qd5) 20. Re1 Rxe1 ({Much weaker is} 20... hxg5 21. Rxe8+ Nxe8 22. Qe2) 21. Qxe1 {Threatening mate with Qe7.} Qd5 ({Of course not} 21... hxg5 22. Qe7) 22. Qe7 $4 {[%mdl 8192]} (22. Ne5 $18 {was the only winning move.} hxg5 23. Bc4 Qxd6 24. Bxf7+ Kf8 25. Bb3) 22... Nc6 $19 23. Ne4 $2 (23. Qxf7+ Qxf7 24. Nxf7 Kxf7 25. Re1) 23... Nxe7 24. dxe7 Ne8 (24... Qe6 $142 25. Re1 Nd5 26. Nf6+ Nxf6 27. Rxe6 dxe6) 25. Ncd6 Qxd6 $2 ({Wrong is} 25... Qxd3 $2 26. Nxe8 Qc2+ 27. Kg3 $18) (25... Qe5 $19 26. Nxe8 Qxe7) 26. Nxd6 $11 Nxd6 27. Rd1 Ne8 {Hoping for ...d6.} 28. Bb5 $1 {[%cal Rb5d7]} Nc7 29. Bxd7 (29. f4 $11) 29... Bxd7 $17 30. Rxd7 $11 {[%mdl 4096] Endgame KRN-KR} Ne6 31. Rxb7 ({White should play} 31. f4 Nxf4+ 32. Kf3) 31... a5 $17 32. f4 (32. Ra7 $17 Re8 33. Kg3) 32... Nxf4+ $19 33. Kf3 Ng6 34. Ra7 Rb8 35. Ke4 Re8 36. Kd5 Rxe7 ({Black should try} 36... Nxe7+ $17 37. Kxc5 Kf8) 37. Rxa5 (37. Rxe7 $15 Nxe7+ 38. Kxc5) 37... Nf4+ $1 38. Kd6 {[#]} Re6+ $1 39. Kd7 (39. Kxc5 {keeps fighting.} Nd3+ 40. Kb5) 39... Nd3 40. Rb5 c4 41. a4 Ra6 42. a5 {[#]} Nc1 $1 43. Rc5 Nb3 44. Rxc4 Rxa5 45. Rb4 {Black must now prevent Rb8+.} Nc5+ 46. Kd6 Kh7 47. Rc4 Nb3 48. Rb4 Nd2 49. Rd4 (49. Rf4 $17 {is a better defense.}) 49... Nb3 50. Rb4 $1 {[%cal Rb4b3]} Nc5 51. Rc4 $1 {[%cal Rc4c5]} Na4 52. b3 Ra6+ 53. Ke5 (53. Kc7 $17 Nb2 54. Rc6) 53... Nb2 54. Rc7 f6+ 55. Kd5 Ra5+ 56. Ke4 (56. Kd4 $142) 56... Rg5 57. h3 h5 58. Rd7 {White wants to play Rd2.} hxg4 59. hxg4 Rxg4+ 60. Kf3 Rg1 61. Rd2 Rb1 62. Ke2 g5 {[%cal Bg7g5,Bg5g4,Bg4g3][%mdl 32]} 63. c4 Kg6 64. c5 {and the idea c6 leaves White hopeful.} Rc1 65. Rxb2 Rxc5 {KR-KR} 66. b4 Rb5 67. Kd3 (67. Kf3 {was the only defense.}) 67... g4 68. Kc4 Rb8 69. Kc5 $2 (69. b5 Kf5 70. Kd4) 69... f5 {[%cal Bf6f5,Bf5f4,Bf4f3][%mdl 32]} 70. Kc6 Kg5 71. Kc7 Rf8 72. b5 g3 73. b6 f4 74. b7 f3 75. Rb5+ Kf4 (75... Kg4 $142 76. Rb4+ Kh3 77. Rf4 Rxf4 78. b8=Q f2 79. Qh8+ Kg2 80. Qb2 Kh1 81. Qh8+ Kg1 82. Qc3 f1=Q 83. Qxg3+ Kh1 84. Kd6 Qa6+ 85. Ke7 Qf6+ 86. Kd7 Rd4+ 87. Kc7 Qd8+ 88. Kb7 Qd5+ 89. Kb8 Qb5+ 90. Kc8 Qd7+ 91. Kb8 Rb4+ 92. Ka8 Qb7#) 76. Rb4+ Ke3 {Black mates.} 77. Rb3+ Kf2 78. Rb2+ Kg1 79. Rb3 Kg2 80. b8=Q Rxb8 81. Rxb8 f2 82. Rb2 Kg1 83. Rb3 g2 {Precision: White = 45%, Black = 64%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Santos Latasa, Jaime"]
[Black "Bakalchuk, Johnatan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2549"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,22,16,16,28,12,22,0,16,10,10,10,8,13,2,4,11,31,50,60,45,34,58,54,97,67,102,32,87,26,135,139,115,101,153,153,158,126,182,182,220,245,532,533,511,483,496,331,318,322,299,223,512,483,483,499,540,529,570,559,539,521,833,809,1720,1632]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nf6 5. Nc3 g6 6. O-O {B52: Sicilian: Moscow Variation with 3...Bd7} Bg7 7. d4 cxd4 8. Nxd4 O-O 9. h3 Nc6 10. Be3 a6 {LiveBook: 12 Games} 11. Bxc6 bxc6 12. c5 Qb8 13. Rb1 $146 ({Predecessor:} 13. Qd2 d5 14. exd5 cxd5 {1-0 (50) Tari,A (2597)-Kotanjian,T (2469) Dubai 2017}) 13... Rd8 14. Nf3 d5 15. e5 $1 {[%cal Re5f6]} ({Don't play} 15. exd5 Bf5 $15) 15... Ne4 16. Bd4 Bf5 {Hoping for ...Nxc3.} 17. Na4 f6 18. exf6 exf6 19. Nb6 Ra7 20. Qa4 Bf8 21. Rbc1 Rc7 22. Rfe1 g5 23. Nh2 (23. b4 $16) 23... Re8 {[#]} (23... h5 $14) 24. b4 (24. Nf1 $1 $16) 24... Bg7 (24... h5 $11) 25. Nf1 {aiming for f3.} g4 26. Ne3 Be6 (26... Bg6 $142) 27. hxg4 $16 {[%cal Bh3g4,Bg4h5][%mdl 32]} h5 28. gxh5 {And now Rcd1 would win.} f5 (28... Qd8 $16 29. Nf1 (29. Qxa6 f5 $16) 29... Bh6) 29. Bxg7 $18 Kxg7 {[#]} 30. f3 $1 {[%cal Rf3e4]} Ng3 $2 (30... Ng5 {was worth a try.} 31. b5 axb5) 31. b5 axb5 32. Qf4 Rce7 33. Qxb8 Rxb8 34. Nc2 Rbe8 35. Nd4 Bf7 $2 (35... Bd7) 36. Rxe7 {White is clearly winning.} Rxe7 37. Kh2 f4 38. Nxc6 Re2 39. Nd4 Rd2 40. Nb3 Rxa2 41. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Nf5 42. c7 {Precision: White = 62%, Black = 27%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Danin, Alexandre"]
[Black "Menezes, Christoph"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2540"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,62,-11,15,10,0,0,22,-35,-25,-32,-41,-43,-23,-26,-27,-31,-6,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,32]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 g6 10. Nf3 {C45: Scotch Game} Qb4+ 11. Kd1 Nb6 12. b3 Bg7 13. Qd2 Qxd2+ 14. Bxd2 c5 {LiveBook: 7 Games} 15. Kc2 O-O 16. Re1 Bb7 {[#]} 17. Be3 $146 (17. Bd3 $11) ({Predecessor:} 17. Bd3 d5 18. cxd5 Bxd5 {½-½ (48) Volokitin,A (2687)-Kryvoruchko,Y (2659) Kiev 2013}) 17... d6 $15 18. exd6 cxd6 19. Rg1 Rfe8 20. Bd3 d5 21. Nd2 Rac8 22. f3 {The position is equal.} dxc4 23. Nxc4 {Strongly threatening Nd6.} Nd5 {[#] aiming for ...Nb4+.} 24. Bd2 {With the idea Nd6.} Nb4+ 25. Bxb4 $1 cxb4 26. Rxe8+ Rxe8 27. Nd6 Re7 28. Nxb7 Rxb7 29. Re1 Kf8 30. Re4 Rc7+ 31. Rc4 Rxc4+ {Precision: White = 79%, Black = 58%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Kuljasevic, Davorin"]
[Black "Horton, Andrew P"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2538"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,85,48,44,43,40,56,45,61,46,69,69,69,45,46,45,56,56,60,55,69,69,71,70,77,69,81,51,77,69,85,91,74,46,56,51,75,59,60,69,65,34,86,0,27,12,35,48,60,0,22,25,31,1,32,32,33,8,8,1]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 a5 9. b3 d6 10. O-O Nbd7 11. Bb2 Ne4 {E14: Queen's Indian: Classical Variation (4 e3)} (11... Qe7 12. Qc2 c5 13. Rfd1 Rfd8 14. Qc3 Ne4 15. Qe1 h6 16. Nd2 Nef6 17. Nb1 cxd4 18. exd4 e5 19. Bf1 e4 {1-0 (64) Wojtaszek,R (2742)-Moiseenko,A (2698) Germany 2015}) 12. Qc2 f5 13. d5 e5 14. Nd2 Nxd2 15. Qxd2 {LiveBook: 6 Games} Qe7 16. b4 Ra7 $146 ({Predecessor:} 16... axb4 17. axb4 Nf6 18. f3 b5 19. cxb5 Bxd5 20. Ra5 Be6 21. Rfa1 {1-0 (37) Flumbort,A (2463)-Horvath,S (2250) Hungary 2016}) 17. Rad1 Nf6 18. Bd3 {[%cal Be2d3,Bd3c2,Bc2b3][%mdl 32]} Qd7 19. f4 e4 20. Bc2 Qe7 21. Bb3 axb4 22. axb4 Rfa8 23. Bd4 Qd8 24. Qb2 Bc8 25. Ra1 Kf7 26. Rxa7 Rxa7 27. c5 bxc5 28. bxc5 Ra8 29. Rc1 Ba6 30. Qc3 Kg6 31. h3 Bd3 32. Qe1 {Qg3+ is the strong threat.} h6 33. cxd6 cxd6 34. Rc6 Bb5 (34... Rb8 $14 35. Qc3 Kh7) 35. Rc1 ({Better is} 35. Rb6 $16 Bd3 36. Qb4 (36. Qg3+ Kh7 $16)) 35... Be8 36. Qh4 Nh5 37. Qf2 Nf6 38. Qh4 (38. g4 $5) 38... Nh5 39. Qxd8 Rxd8 40. g4 Nf6 41. gxf5+ Kxf5 42. Rc7 Rd7 43. Rxd7 {Precision: White = 63%, Black = 51%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Kollars, Dmitrij"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2534"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,14,10,14,12,21,10,12,25,41,1,2,3,4,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. O-O O-O {B41: Sicilian: Kan Variation: 5 c4} 9. Bg5 (9. Qd3 d6 10. Bd2 Nc6 11. Nb3 b6 12. Rac1 Bc5 13. Bg5 Bb7 14. Qg3 Kh8 15. Rfd1 Ne5 16. Nxc5 bxc5 {0-1 (34) Naiditsch,A (2705)-Artemiev,V (2691) Riadh 2017}) 9... Bxc3 10. Bxf6 $1 {LiveBook: 12 Games} Bb4 11. Bg5 Nc6 12. Be3 Bd6 13. g3 Rd8 $146 ({Predecessor:} 13... Nxd4 14. Qxd4 Be5 15. Qb6 Qxb6 16. Bxb6 {1-0 (53) Kanarek,M (2512)-Radovanovic,M (2422) Lisbon 2018}) 14. Nxc6 dxc6 {The position is equal.} 15. Qc2 c5 16. f4 b6 17. e5 Bf8 18. Bf3 Bb7 19. Be4 g6 20. Rfd1 Rxd1+ 21. Rxd1 Bxe4 22. Qxe4 Rd8 23. Rd3 Rxd3 24. Qxd3 Qc6 25. Bc1 Be7 26. b3 f5 27. a4 Kf7 28. Bd2 {Precision: White = 71%, Black = 86%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Burmakin, Vladimir"]
[Black "Schmidek, Emil"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2522"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,73,18,15,25,13,47,54,59,50,132,133,134,140,145,136,129,114,114,114,118,116,157,163,164,162,137,146,167,149,180,194,224,233,246,246,261,257,272,247,300,292,315,331,309,291,362,340,578,581,578,578,595,586,654,658,659,658,673,693]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 dxc4 7. bxc4 c5 8. O-O Nc6 9. d3 {LiveBook: 56 Games} Qc7 {A05: Réti Opening: 1 Nf3 Nf6} (9... Rb8 10. Nc3 b6 11. e3 Bb7 12. Qe2 e6 13. Rfd1 Qe7 14. Rac1 Rfd8 15. d4 Na5 16. Ba3 Nd7 17. Nb5 {1-0 (70) Edouard,R (2636)-Bartel,M (2622) Berlin 2015}) 10. Nc3 a6 11. Rb1 Rb8 {White is slightly better.} 12. Bc1 $146 ({Predecessor:} 12. a4 Rd8 13. Qb3 Be6 14. Bc1 Bg4 15. Qa3 b6 16. a5 bxa5 17. Qxc5 {0-1 (32) Prelevic,D (2342)-Sorgic,D (2310) Valjevo 2010}) 12... b5 (12... b6 $14) 13. cxb5 $16 axb5 14. Nxb5 Qa5 15. a4 Bd7 16. Be3 Nd5 17. Bxc5 Nc3 18. Nxc3 Qxc5 19. Nb5 Na7 {[%cal Ra7b5]} 20. d4 Qb6 21. Nc3 Qa5 {[#]} 22. Qd2 $1 Rxb1 23. Rxb1 ({Don't play} 23. Nxb1 $6 Qxa4 24. Nc3 Qa3 $16) 23... Rc8 24. Ne4 Qxd2 25. Nexd2 Nc6 26. Rb7 Be6 27. e3 Bf6 28. h4 Na5 {[#] And now ...Rc1+ would win.} 29. Rb5 Nc4 30. Ne4 Na3 31. Rc5 Ra8 $2 (31... Nc4 32. Bf1 Rxc5) 32. Nxf6+ $18 {White is clearly winning.} exf6 33. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Ra7 34. Nd2 Bd7 35. Bf1 Kf8 36. a6 Ke7 37. Bd3 {Precision: White = 92%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Schlosser, Philipp"]
[Black "Kozul, Zdenko"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2510"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,74,29,12,15,10,10,8,14,13,17,4,10,18,26,12,12,0,0,0,9,-5,-5,-5,-2,-3,-2,-6,0,-5,-4,-8,-4,-5,-4,-9,-8,-13,0,0,0,0,0,-21,-2,-2,0,-6,-2,-11,-2,-2,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 O-O 6. c4 c6 7. Bb2 Bg4 8. Be2 {LiveBook: 21 Games. A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} Ne4 (8... Nbd7 9. O-O e6 10. h3 Bxf3 11. Bxf3 a5 12. b5 cxb5 13. cxb5 a4 14. Ba3 Re8 15. Rc1 Bf8 {0-1 (78) Moskalenko,A (2490)-Zvjaginsev,V (2673) Moscow 2016}) 9. O-O Nxd2 $146 ({Find the theoretical novelty and annotate with similar games:} 9... Nd7 10. Nxe4 dxe4 11. Nd2 Bxe2 12. Qxe2 f5 13. f3 exf3 14. Nxf3 {1-0 (106) Esen,B (2528)-Atakisi,U (2373) Kocaeli 2017}) 10. Nxd2 Bxe2 11. Qxe2 Nd7 12. Rfd1 Re8 13. a4 a6 14. h3 e6 {The position is equal.} 15. b5 axb5 16. axb5 Qe7 17. Nf3 Qb4 18. bxc6 bxc6 19. cxd5 cxd5 20. Qd2 Qb5 21. Bc3 Rxa1 22. Rxa1 Rb8 23. Qa2 Nf6 24. Be1 Ne4 25. Qc2 Qb2 26. Qxb2 Rxb2 27. Ra8+ Bf8 28. Ra1 f6 29. Kf1 g5 30. Ng1 h5 31. Ne2 h4 32. Nc3 Nxc3 33. Bxc3 Rc2 34. Be1 Kf7 35. Rb1 Ba3 36. Rb3 Bb2 37. Rd3 Kg6 {Precision: White = 53%, Black = 44%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Kanarek, Marcel"]
[Black "Meinhardt, Maximilian"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2506"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,46,0,0,30,0,102,58,85,85,58,66,80,77,111,114,105,78,118,67,106]} 1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. c5 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} O-O 14. Bb5 Qd5 (14... Ba6 15. Qa4 Qd5 16. Qxa5 Nc6 17. Qxa6 Rxa6 18. Rxa6 Qb3 19. Bxc6 Qxb2 20. O-O b3 {½-½ (28) Donchenko,A (2563)-Tomashevsky,E (2696) Minsk 2017}) 15. O-O {LiveBook: 7 Games. The position is equal.} Nbd7 $146 ({Predecessor:} 15... Nc6 16. Qe2 Ne7 17. Ra4 Ra7 18. Rfa1 Rfa8 19. Qf1 Ne4 20. Bc4 Qd8 {½-½ (60) Lai,H (2419)-Godart,F (2376) Belgium 2017}) 16. Ne1 {[%cal Bf3e1,Be1d3,Bd3e5][%mdl 32]} Nb6 (16... Bc6 $11 17. Ba4 Qe4) 17. Qe2 Nc8 18. f3 {Strongly threatening e4.} Bc6 19. Bc4 Qd7 20. Nd3 Qb7 21. Ne5 Be8 22. Rfb1 Ne7 {[#]} 23. e4 (23. Bd3 $1 $16) 23... Qc7 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Korpa, Bence"]
[Black "Zeller, Frank"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2502"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,43,-30,-18,-16,-25,-25,-20,-28,-34,-29,-14,-38,-35,-58,-55,-55]} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 6. Ndb5 d5 7. Bf4 e5 8. cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. Nd6 Kc7 13. Nxf7 Rg8 14. g3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (14. Ne5 Rb8 15. Nxd7 Nxd7 16. g3 Rxb2 17. Bh3 Nf6 18. O-O Bb4 19. Rc1 Rd8 20. Bg2 Rdd2 21. gxf4 Rbc2 {½-½ (40) Nakamura,H (2775)-Kramnik,V (2801) Moscow 2012}) 14... Rb8 15. Rd2 Bb4 {[#] LiveBook: 3 Games. aiming for ...Ba5.} 16. Ne5 $146 {The position is equal.} ({Predecessor:} 16. Bg2 Bxc3 17. bxc3 Rb1+ 18. Rd1 Rxd1+ 19. Kxd1 Rb8 20. gxf4 Rb2 21. Ne5 Bf5 22. h4 Rxa2 23. c4 a5 24. Bxc6 a4 25. Kc1 a3 {0-1 (25) Hochgraefe,M (2316)-Feuerstack,A (2452) Germany 2014}) 16... Ba5 {And now ...Rxb2! would win.} 17. Nxd7 ({But not} 17. gxf4 $2 {[#]} Rxb2 $1 {[%mdl 512]} 18. Rxb2 Bxc3+ 19. Rd2 Ne4 $19) 17... Rxb2 $1 18. Rxb2 Bxc3+ 19. Kd1 Bxb2 20. Nc5 Ng4 21. Kc2 Nxf2 22. Rg1 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Bellahcene, Bilel"]
[Black "Buhmann, Rainer"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2488"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,3,15,0,19,12,11,2,5,12,20,19,16,1,13,9,4,-20,7,8,13,4,27,0,-8,-4,-6,-14]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves} O-O {LiveBook: 439 Games} 9. Bd2 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 10. Nc3 c6 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Nbd7 11. a4 Rb8 12. axb5 axb5 13. Ba2 c6 14. Ne2 d5 15. Ng3 Bc5 16. exd5 cxd5 17. d4 exd4 {1-0 (55) Bacrot,E (2715)-Wojtaszek,R (2745) Linares 2017}) 11. Ne2 Nbd7 12. Ng3 Nc5 13. Ba2 Be6 14. Re1 Bxa2 15. Rxa2 Re8 16. d4 Ncd7 17. a4 Bf8 18. b3 Qc7 19. Bc3 exd4 20. Bxd4 c5 21. Bb2 {Precision: White = 37%, Black = 80%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Pavlovic, Milos"]
[Black "Parvanyan, Ashot"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2471"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,74,63,62,94,89,112,112,104,97,106,98,95,101,122,129,141,118,135,127,131,135,126,130,120,121,127,106,106,115,227,187,181,177,170,166,238,153,158,147,150,153,146,154,193,205,197,193,175,170,362,340,29998,-1445,677,-1395,520,-876,29990]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 c5 7. c4 Nc6 8. Bb2 Ne4 9. e3 Bg4 10. Qc1 $1 {LiveBook: 18 Games} Qc7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 11. d5 $146 ({Predecessor:} 11. Nh4 Nf6 12. h3 Bd7 13. Nd2 cxd4 14. exd4 e5 15. d5 Ne7 16. Re1 Rac8 17. a4 Nh5 18. Nhf3 {1-0 (31) Dizdarevic,E (2540)-Nijboer,F (2555) Hilversum 1993}) 11... Na5 12. Bxg7 Kxg7 {White is better.} 13. Nh4 Nf6 14. Nd2 Bd7 15. Qc3 b5 16. e4 Rab8 17. f4 {[%cal Bf2f4,Bf4e5][%mdl 32] Strongly threatening e5.} b4 18. Qb2 {Black must now prevent e5.} e5 19. dxe6 fxe6 20. Nhf3 Nc6 21. e5 dxe5 22. fxe5 Ng4 23. Rae1 Ne7 (23... Rbd8 $16) 24. h3 Nh6 {[%cal Bg4h6,Bh6f7,Bf7g5][%mdl 32]} 25. Ne4 Nf7 26. g4 h6 (26... Rbd8 {was necessary.} 27. Qf2 a5 28. Qxc5 (28. Qh4 Bc8 $18) 28... Qxc5+ 29. Nxc5 Bc8) 27. Rd1 Bc6 28. Nxc5 Qb6 29. Qd4 Bxf3 30. Bxf3 Ng5 31. Bg2 {Hoping for Qd6.} Rbd8 {[#]} 32. Nd7 $1 {[%cal Rd7b6]} ({Inferior is} 32. Qe3 Rxf1+ 33. Rxf1 Rc8 $11) 32... Rxf1+ ({Avoid the trap} 32... Rxd7 $2 33. Qxb6 Rxf1+ 34. Bxf1 $18) 33. Kxf1 Qa5 $2 (33... Qc7 34. Ke2 Nd5 35. cxd5 Rxd7) 34. Qf2 $18 {aiming for Qf6+.} Rf8 $2 (34... Nh7 $18 35. Rd4 h5) 35. Nc5 $4 {[%mdl 8192]} (35. Qxf8+ {avoids the disaster.} Kh7 36. Nf6#) 35... Qb6 $4 {[%mdl 8192] [#]} (35... Rxf2+ $19 36. Kxf2 Qxc5+ 37. Kf1 Qxe5) 36. Kg1 $4 {[%mdl 8192]} (36. Qxf8+ $1 $18 {[%mdl 512]} Kxf8 37. Nd7+ Ke8 38. Nxb6 axb6 39. Rd6) 36... Rd8 $4 {[%mdl 8192]} (36... Rxf2 $19 37. Kxf2 Qxc5+ 38. Kf1 Qxe5) 37. Kf1 $4 {[%mdl 8192]} (37. Rxd8 $18 Qxd8 38. h4 Qd1+ 39. Kh2) 37... Rd4 $4 {[%mdl 8192] Precision: White = 65%, Black = 35%.} (37... Rxd1+ $19 38. Ke2 Qd8 39. Qf6+ Kh7) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Basso, Pier Luigi"]
[Black "Vijayalakshmi, Subbaraman"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2459"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,99,83,87,80,84,95,62,87,66,66,65,65,65,71,64,62,70,71,71,69,52,79,39,14,27,21,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,75,101,98,102,220,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0]} 1. d4 d6 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. O-O O-O 6. b3 Nbd7 7. Bb2 e5 8. dxe5 Ng4 9. c4 Ngxe5 10. Nc3 Nxf3+ 11. Bxf3 Ne5 12. Bg2 Nc6 13. Qd2 Be6 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 14. Rad1 $146 ({Predecessor:} 14. Nd5 Bxd5 15. Bxd5 Qe7 {1-0 (50) Ivanov,V (2373)-Gronde,I (2219) Germany 2016}) 14... Qf6 15. Rb1 Rae8 {White is slightly better.} 16. Nb5 Qe7 17. Bxg7 Kxg7 18. Nxa7 Nxa7 19. Qd4+ Kg8 {Strongly threatening ...Nc6.} 20. Qxa7 Ra8 21. Qxb7 Rxa2 22. e3 {[%cal Be2e3,Be3e4][%mdl 32]} Bf5 23. e4 Bc8 24. Qd5 Qf6 25. Qc6 Bg4 26. e5 Qxe5 27. Rbe1 $36 {[%mdl 2048] White is pushing.} (27. Qxc7 Be2 $17) 27... Qf6 28. Re3 Be2 29. Re1 $1 Bg4 30. Bf3 Bh3 31. Qxc7 Qb2 32. Be2 $1 (32. R3e2 $2 Qc3 $19) 32... Qd2 (32... Ra1 $11 33. Bf1 Qc3) 33. Rd1 $16 Rfa8 {[#]} 34. Qc6 $1 ({Don't go for} 34. Rxd2 $2 Rxd2 35. Qd8+ (35. Bf1 {leads to mate.} Rd1 36. Qxf7+ Kxf7 37. Rf3+ Kg7 38. Rf7+ Kxf7 39. Kh1 Rxf1#) 35... Rxd8 $19) ({Avoid the trap} 34. Qxd6 $2 Qxd6 35. Rxd6 {[#]} Rxe2 $1 $19 {[%mdl 512]}) 34... Qc2 (34... Qb2 $16 {might work better.}) 35. Qe4 $2 (35. Qxd6 $18 {aiming for Qf6.} Rc8 36. Qf4) 35... Qxe4 $11 {The position is equal.} 36. Rxe4 Rb2 37. Bf1 Bf5 38. Rf4 Rxb3 39. Rxd6 Ra1 {( -> ...Bh3)} 40. Kg2 Rbb1 41. Bd3 Rg1+ 42. Kf3 Ra3 43. Ke2 Ra2+ 44. Ke3 Re1+ 45. Kf3 Ra3 46. Rfd4 Rc1 47. Ke2 {Hoping for Bxf5.} Bxd3+ 48. Rxd3 Rxd3 49. Rxd3 Rxc4 50. h4 {Precision: White = 56%, Black = 74%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Milov, Leonid"]
[Black "Muckle, Julius"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2458"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,45,-15,0,25,23,31,24,36,-14,0,-27,-24,-33,-26,-42,-40,-39,-43,-69,-25,-28,-20,-16,-19,-28,-21,-41,-41,-31,-35,-85]} 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Ne2 Nc6 7. c3 Qb6 8. g3 cxd4 9. cxd4 {LiveBook: 13 Games} Bb4+ {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (9... f6 10. exf6 Nxf6 11. Bg2 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 Ne4 14. Qc1 Qb5 15. Nc3 Qd3 16. Nxe4 Qxe4+ 17. Qe3 {½-½ (40) Gharamian,T (2655)-Edouard,R (2692) Saint-Quentin 2014}) 10. Nc3 f6 11. exf6 $1 Nxf6 {[#] aiming for ...Ne4.White has an edge.} 12. Bg2 Ne4 13. Qd3 (13. Bd2 $5) 13... Qa6 14. Qxa6 bxa6 15. Bd2 $146 ({Find the theoretical novelty and annotate with similar games:} 15. Ne5 Nxe5 16. Bxe4 {0-1 (23) Gacogne,C (2003)-Tremblay,R (2223) Montreal 2005}) 15... Nxd2 16. Kxd2 O-O {And now ...Nxd4! would win.} 17. Ke2 {[#]} Rxf3 $1 {[%mdl 512]} 18. Kxf3 {Threatens to win with Rhd1.} Nxd4+ 19. Ke3 $1 {[%cal Re3d4]} Bxc3 20. bxc3 Nc2+ 21. Kd2 Nxa1 22. Rxa1 Rb8 23. Kc2 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Beerdsen, Thomas"]
[Black "Petkidis, Anthony"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2447"]
[BlackElo "2314"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,141,-20,-22,-20,-19,-26,-34,-29,-10,-9,-12,-12,-57,-28,-56,-66,-84,0,-41,-5,-12,-11,-29,-25,-33,-35,-46,-40,-47,-32,-46,-52,-110,-106,-96,-77,-187,-187,-187,-177,-175,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,0,0,0,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-117,-108,-108,-108,-115,-108,-115,0,-115,-108,-108,-108,-108,-108,-108,-19,-108,-108,-108,-108,-108,0,0,0,-108,-108,-108,-108,-108,0,-108,-108,-108,-108,-108,-108,-108,-108,-108,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Na5 5. Nf3 Nxc4 6. dxc4 Bb4 7. Qd3 d6 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} 8. Bd2 Bxc3 9. Bxc3 {LiveBook: 5 Games} Nd7 10. O-O-O O-O 11. Qe3 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Kb1 Qe7 12. h3 Nc5 13. Qe3 Be6 14. b3 f6 15. Nd2 {0-1 (43) Radlovacki,J (2412)-Kadric,D (2407) Novi Sad 2012}) 11... Qe7 12. h4 Nc5 13. h5 h6 14. Rdg1 f5 15. exf5 Bxf5 16. Nh4 Qg5 (16... Bh7 $17 17. g4 Qg5) 17. Bd2 (17. Qxg5 {NOTEXT} hxg5 18. Nxf5 Rxf5 19. f3 g4 20. h6) 17... Qxe3 ({Don't play} 17... Qxh5 $6 18. g4 $1 $16 {[%mdl 512]}) 18. Bxe3 Ne6 19. Rh2 Be4 20. f3 Bh7 $36 {[%mdl 2048] Black is pushing.} 21. g3 a6 22. Rd2 b6 23. Rdg2 b5 24. cxb5 ({White should try} 24. c5 $15) 24... axb5 $17 25. a3 d5 26. g4 {[#]} (26. Rd1 $17 d4 27. Bg1) 26... b4 $1 $19 {[%mdl 512]} 27. g5 {aiming for g6.} (27. axb4 d4) 27... bxa3 28. bxa3 {With the idea g6.} Rxa3 (28... hxg5 $19 29. Bxg5 Rf7) 29. gxh6 $17 {[%cal Rg2g7]} Rxe3 30. Rxg7+ Nxg7 31. Rxg7+ Kh8 32. Ng6+ Bxg6 33. hxg6 {[#]} Rf6 $1 ({Reject} 33... Rexf3 $6 34. Rh7+ Kg8 35. Rg7+ Kh8 36. Rh7+ Kg8 37. Rg7+ Kh8 $11) ({Avoid the trap} 33... Rfxf3 $2 34. Re7 $18) 34. Rh7+ Kg8 35. Rg7+ Kh8 36. Rh7+ Kg8 37. Rg7+ Kf8 38. Rxc7 {White wants to mate with g7+.} Rxg6 39. Rc8+ Ke7 40. h7 Rh6 {And now ...Re1+ would win.} 41. h8=Q Rxh8 42. Rxh8 Rxf3 {[%mdl 4096] Endgame KR-KR} 43. Kd2 Ke6 44. c3 Kf5 45. Rh4 Rf4 46. Rh1 Rf3 47. Rh4 $1 Kg5 48. Rh8 e4 49. Rd8 Rd3+ 50. Ke2 {[#]} Kf6 (50... Kf4 $1 $17 {Threatening ...Kf5.} 51. Rc8 Rh3 52. Rf8+ Ke5 53. Re8+ Kf5) 51. Rf8+ (51. Rc8 $1 $11 {remains equal.}) 51... Ke7 52. Rc8 Kd6 53. Ke1 Kd7 (53... Rf3 $17 54. Kd2 Ke7) 54. Rc5 $11 Kd6 ({Black should play} 54... Ke7 $11) 55. Rc8 $17 Rh3 56. Ke2 Rh2+ 57. Ke3 Rh3+ 58. Ke2 $1 Rh1 59. Ke3 Rc1 60. Kd2 Rf1 61. Ke3 Rf3+ 62. Ke2 Ke5 (62... Rg3 $17 63. Kd2 Rd3+ 64. Kc2 Kd7) 63. Re8+ $11 {The position is equal.} Kf4 64. Rf8+ Kg3 65. Rg8+ Kh3 66. Rh8+ Kg2 67. Rg8+ Rg3 68. Rxg3+ Kxg3 69. Ke3 Kg4 {[#] ...Kf5 is the strong threat.} 70. c4 $1 {[%mdl 512]} dxc4 {( -> ...c3)} 71. Kxe4 {Precision: White = 61%, Black = 58%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Carlstedt, Jonathan"]
[Black "Lavrinenkov, Vadim"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2432"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,11,18,-33,-27,-65,-56,-66,-72,-61,-27,-24,-36,-32,-24,-23,-24,-38,-25,-49,-44,-29,-36,-39,0,0,0,0,0,-55,-8,-52,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-44,0,0,0,-99,-99,-87,-68,-183,-172,-229,-218,-262,-233,-252,-241,-531,-529,-1439,-1458,-12833,-12833,-12832,-12831,-12796,-10315,-12797,-12201,-5854,-5822]} 1. d4 d5 2. c4 dxc4 3. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Bf5 7. Nc3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} e6 {LiveBook: 29 Games} (7... Nc6 8. Nge2 e6 9. O-O Qd7 10. Be3 Be7 11. Ng3 Bg6 12. f4 Na5 13. d5 Nxb3 14. Qxb3 Bd3 15. Rfd1 Bc4 16. dxe6 Qxe6 17. Qc2 {1-0 (89) Sasikiran,K (2662)-Teterev,V (2506) Rhodes 2013}) 8. g4 $146 (8. Nge2 $11) ({Predecessor:} 8. Nge2 Na6 9. O-O Qd7 10. a3 c6 11. Bg5 h6 12. Be3 Nc7 13. Ng3 Bg6 14. Nce4 Nbd5 {0-1 (49) Schenk,A (2519)-Bischoff,K (2553) Germany 2010}) 8... Bg6 $15 9. h4 {aiming for h5.Black has an edge.} h5 10. g5 Nc6 11. Nge2 Bb4 12. a3 Ba5 13. O-O Ne7 14. Nf4 Qd7 15. Be3 c6 16. Bxe6 fxe6 17. b4 {[#]} Bxb4 $1 {[%mdl 512]} 18. axb4 Kf7 19. Qf3 {d5 is the strong threat.} Bf5 $1 20. Rfc1 Bg4 21. Qh1 ({White should try} 21. Qe4 $11) 21... Nbd5 22. Ne4 Nxf4 23. Nd6+ ({Don't play} 23. Bxf4 Qxd4 24. Nd6+ Kg6 $17) 23... Kg6 {And now ...Ne2+ would win.} 24. Bxf4 a6 25. Ra3 Raf8 26. Bg3 Nc8 27. Qe4+ Bf5 $1 {[%cal Rf5e4]} 28. Qe3 Kh7 29. Qe2 Bg6 30. Re3 Ne7 31. Rf3 Nf5 32. Rd1 Qc7 33. Rf4 {[#]} (33. Ra3 $11 {remains equal.}) 33... Ne7 $1 $17 {[%cal Bf5e7,Be7d5,Bd5b4,Bb4d3][%mdl 32]} 34. Rxf8 Rxf8 35. Rc1 (35. Qa2 $15) 35... Nd5 $19 36. Qd2 (36. Ra1 $142) 36... Qb6 37. Kg2 Nxb4 ({Not} 37... Qxb4 38. Qxb4 Nxb4 39. Nxb7 $15) 38. Qb2 a5 39. Qb3 $2 (39. Ra1) 39... Qxd4 {Black is clearly winning.} 40. Qxe6 Nd3 {[%cal Rf8f2]} 41. Rf1 Nf4+ 42. Bxf4 Rxf4 43. f3 Rxh4 {( -> ...Qd2+)} 44. Nf5 Qd2+ 45. Rf2 {[#]} Rh2+ $1 {[%mdl 512] Precision: White = 27%, Black = 69%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Skawinski, Arkadiusz"]
[Black "Papp, Gabor"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2422"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,20,-22,-23,-40,-39,-33,-39,-49,-23,-12,-16,-33,-39,-51,-67,-67,-67,-44,-55,-131,-133,-470,-469,-461,-464,-882,-865,-764,-472,-509,-501,-775,-631,-782,-764,-2357,-2332,-29995,-29996,-29996]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. d3 (5. O-O g6 6. c3 Bg7 7. d4 exd4 8. cxd4 b5 9. Bc2 d6 10. Nc3 Bg4 11. Be3 O-O 12. Qd2 Bxf3 13. gxf3 f5 14. Ne2 Qd7 15. Kh1 Kh8 16. a4 {1-0 (47) Saric,I (2669)-Movsesian,S (2647) Riadh 2017}) 5... g6 6. Nbd2 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann} Bg7 7. c3 O-O 8. Nf1 {LiveBook: 4 Games. The position is equal.} d5 9. Be3 b5 $146 ({Predecessor:} 9... dxe4 10. dxe4 Qxd1+ 11. Rxd1 Be6 12. a3 {½-½ (20) Maidanova,I (1879)-Gavrjuchenkova,A (1915) Moscow 2010}) 10. Bb3 Qd6 11. h4 d4 12. cxd4 Nxd4 13. Nxd4 exd4 14. Bd2 c5 $36 {[%cal Bc7c5,Bc5c4][%mdl 2080] Black is more active.} 15. h5 Be6 16. Bxe6 Qxe6 17. Qf3 (17. hxg6 $15 hxg6 18. Ng3) 17... c4 $17 18. Bb4 $2 {[%mdl 8192]} (18. Qh3 $17) 18... Nc6 $19 {[%cal Be7c6,Bc6e5,Be5d3][%mdl 32]} 19. Bxf8 {[#]} Ne5 $1 {[%cal Re5f3]} 20. Qh3 (20. Qe2 $142 Nxd3+ 21. Kd1 Rxf8 22. hxg6 fxg6 23. f3) 20... Nxd3+ ({And not} 20... Bxf8 21. dxc4 Bb4+ 22. Nd2 $14) 21. Kd2 Rxf8 22. hxg6 Qxg6 23. Qh4 (23. Qf5 $142 Nxb2 24. Rh3) 23... Nxb2 24. Ng3 c3+ 25. Kc2 d3+ 26. Kb3 Qe6+ 27. Kb4 {Precision: White = 21%, Black = 81%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Kopylov, Michael"]
[Black "Sumets, Andrey"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2421"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,27,-22,-20,22,16,28,13,19,29]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nc3 Nbd7 8. b3 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 9. Qc2 Ba6 10. Nd2 b5 {E08: Closed Catalan: Main Line: 7 Qc2} 11. Rd1 {LiveBook: 4 Games} Qc8 $146 ({Predecessor:} 11... Rc8 12. e4 dxc4 13. bxc4 e5 14. dxe5 Nxe5 15. Nf3 Nxf3+ 16. Bxf3 Qa5 17. Bf4 bxc4 18. e5 {1-0 (30) Ramirez,A (2551)-Ostrovskiy,A (2377) Saint Louis 2012}) 12. e4 dxc4 13. bxc4 bxc4 14. Na4 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Barbot, Pierre"]
[Black "Landa, Konstantin"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2420"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,90,19,20,0,0,0,13,13,21,19,36,32,17,-13,-12,-29,-32,-39,-26,-57,89,-10,0,-74,-72,-62,-13,-61,-52,-86,-43,-106,-102,-258,-252,-301,-112,-161,-153,-160,-161,-147,-168,-164,-166,-156,-156,-150,-113,-212,-196,-211,-217,-217,-206,-240,-245,-272,-268,-254,-263,-291,-284,-318,-327,-344,-289,-295,-297,-287,-282,-282,-272,-406,-389,-406,-406,-397,-389,-351,-337]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. e3 {D30: Queen's Gambit Declined: Systems without Nc3} Nf6 {LiveBook: 3 Games} 7. Bd3 $146 ({Predecessor:} 7. Nbd2 Nbd7 8. Rc1 c6 9. Bd3 O-O 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Nxe5 Qxe5 {½-½ (63) Wojtaszek,R (2734)-Bartel,M (2637) Poland 2017}) 7... dxc4 8. Bxc4 {The position is equal.} Qb4+ 9. Nbd2 Qxb2 10. O-O Nc6 11. Rb1 {[%mdl 1024] White has compensation.} Qa3 12. e4 Qe7 13. e5 Nd5 14. Ne4 b6 15. Re1 {And now Bxd5 would win.} Qd7 (15... O-O $15) 16. Rc1 (16. Bxd5 $16 Qxd5 17. Nc3) 16... Bb7 17. Bb3 (17. Bxd5 $1 $11 {remains equal.} Qxd5 18. Qd2) 17... O-O-O $17 18. Ba4 h6 19. Qc2 {[%cal Ra4c6]} Nde7 $1 20. Rb1 Qd5 21. Rec1 (21. Nd6+ $15 cxd6 22. Rxb6) 21... Kb8 22. Nc5 $2 (22. h3 $17 {was worth a try.}) 22... bxc5 $19 23. Qb2 {[%csl Gb1][%cal Rb2b7]} Nb4 $2 (23... Nxd4 $19 24. Rxc5 Qe4) 24. Rxc5 $17 Nd3 25. Rxd5 {[%csl Gb1][%cal Rb2b7]} Nxb2 26. Rxd8+ Rxd8 27. Rxb2 Kc8 28. Bd1 Nf5 29. Rb4 Bc6 30. Bc2 (30. Be2 $17) 30... a5 31. Rc4 {[#]} Bxf3 $1 32. gxf3 Rxd4 $19 {[%mdl 4096] Endgame KRB-KRN} ({Don't play} 32... Nxd4 33. Be4) 33. Rc5 Nh4 34. Kf1 Rd5 ({Don't do} 34... Nxf3 35. Ke2 $19) 35. Rc3 Rxe5 36. Be4 Nf5 37. Bc6 Nd4 38. Be8 f5 39. f4 Re4 40. Rc5 Kd8 41. Ba4 Re2 42. Rxa5 (42. Bb3 {was necessary.}) 42... Rxa2 {Black is winning.} 43. Ra8+ Ke7 44. Re8+ Kf7 45. Ra8 {[#] Be8+ would now be nice for White.} Nb5 $1 {[%mdl 512] Precision: White = 33%, Black = 67%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Nitin, S.."]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2408"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,129,46,56,37,67,56,84,82,88,75,84,83,106,103,112,112,112,112,115,103,144,139,142,142,142,139,154,133,132,147,151,127,134,127,135,122,124,89,116,118,108,106,106,110,114,114,114,114,114,114,114,114,116,111,118,118,118,118,118,118,118,118,121,121,121,121,121,121,272,272,270,270,262,242,473,473,455,449,403,377,335,244,682,648,555,451,718,687,3509,1221,2662,1954,6428,6103,29955,29956,29957,29958,29964,29964,29962,29960,29959,4080,29963,29964,29963,29965,29964,29965,29966,29967,29967,29968,29968,29969,29969,29970,29971,29973,29980,29981]} 1. e4 Nc6 2. Nc3 Nf6 3. d4 d5 4. e5 Nd7 5. Be2 (5. Be3 Nb6 6. b3 Bf5 7. Bd3 Bg6 8. Nce2 e6 9. c3 Ne7 10. Nf3 Nf5 11. Nf4 Be7 12. Qd2 Rc8 {1-0 (45) Pridorozhni,A (2565)-Hasangatin,R (2496) Sochi 2017}) 5... Nb6 6. f4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} g6 7. Be3 $146 ({Find the theoretical novelty and annotate with similar games:} 7. a4 Nb4 8. Na2 a5 9. Nxb4 axb4 10. Bd2 e6 11. b3 c5 12. Nf3 Bd7 13. O-O Nc8 {½-½ (42) Kroeger,T-Sell,A Germany 1993}) 7... Bg7 8. h3 {White is better.} f6 9. Nf3 Be6 10. Qd2 Qd7 11. b3 Bf5 12. O-O O-O 13. Nd1 {[%cal Bc3d1,Bd1b2,Bb2d3][%mdl 32]} Be4 14. c3 Bxf3 15. Bxf3 e6 16. Nb2 Nc8 17. Nd3 b6 18. Rae1 N8e7 19. exf6 Rxf6 20. Bf2 Raf8 21. Qe2 Nd8 22. Bh4 R6f7 23. Bg4 Qb5 24. Ne5 Qxe2 25. Rxe2 Bxe5 26. Rxe5 ({Of course not} 26. dxe5 $6 h5 $11) 26... Kg7 27. Rfe1 Nec6 28. R5e3 Rxf4 29. Bg3 R4f7 30. Bxe6 Nxe6 31. Rxe6 Nd8 32. Re7 Rxe7 33. Rxe7+ Rf7 34. Rxf7+ (34. Be5+ {NOTEXT} Kf8 35. Rxc7 Rxc7 36. Bxc7 Nc6 37. Kf2) 34... Kxf7 35. Bxc7 $16 {[%mdl 4096] Endgame KB-KN} Ne6 36. Bb8 a6 37. Kf2 b5 38. Ke3 Ke7 $2 {[#]} (38... Nd8 $16 39. Bc7 Ne6) 39. c4 $1 $18 bxc4 40. bxc4 dxc4 41. d5 Ng7 $2 (41... Nc5 42. Kd4 Nd7) 42. Kd4 Nf5+ 43. Kxc4 Ne3+ 44. Kc5 Kd7 45. g3 g5 $2 {[#]} (45... Nd1 46. Kd4 Ke7) 46. a4 h5 47. Be5 a5 (47... g4 $142 48. hxg4 Nxg4) 48. Bf6 Nf1 49. Bxg5 Nxg3 50. Bf4 Ne2 51. Be5 Ng1 52. h4 Nf3 53. Bg3 Nd2 54. Kb5 Nb3 55. Be5 Nd2 56. Bf4 (56. Bh2 $142 Nf3 57. Bg3 Nd4+ 58. Kxa5 Nf5 59. Bh2 Ne3 60. Kb6 Nxd5+ 61. Kc5) 56... Nf3 57. Bg3 {White mates.} Nd4+ 58. Kxa5 Nf5 59. Be1 Ne7 60. Kb6 Nxd5+ 61. Kb7 Nc7 62. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Ne6 63. a6 Nc5+ 64. Kb6 Na4+ 65. Kb5 {Precision: White = 76%, Black = 46%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Burri, Quentin"]
[Black "David, Alberto"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2405"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,97,26,43,21,23,26,22,0,7,15,0,0,0,0,10,-2,-10,-23,38,34,66,-14,-6,-12,0,-21,29,12,51,14,41,-7,-4,-5,0,-6,2,-151,-141,-159,-160,-158,-158,-154,-142,-174,-178,-187,-158,-162,0,-164,0,-166,-175,-153,-148,-183,-173,-187,331,335,337,330,373,347,397,288,366,361,486,526,508,455,444,443,619,618,634,604]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 6. O-O Ne7 7. Nbd2 {B12: Caro-Kann: Advance Variation} Nd7 8. Nb3 Bg6 (8... Qc7 9. c3 Bh7 10. Bd3 Bxd3 11. Qxd3 c5 12. Nxc5 Nxc5 13. dxc5 Qxc5 14. Be3 {½-½ (70) Carlsen,M (2832)-So,W (2815) chess.com INT 2017}) 9. Bd2 Nf5 10. Rc1 Rc8 {LiveBook: 3 Games} 11. g4 $146 ({Predecessor:} 11. Bd3 h5 12. c4 dxc4 13. Bxc4 Nb6 14. Ba5 Qe7 15. d5 Nxc4 16. Rxc4 exd5 17. Qxd5 {½-½ (69) Kryvoruchko,Y (2706)-Solak,D (2610) Yerevan 2014}) 11... Ne7 12. Nh4 Bh7 13. f4 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 14. c3 Nc6 15. Ng2 c4 16. Na1 Qb6 17. Kh1 Qxb2 {White should prevent ...Be4.} 18. f5 Ne7 (18... Be7 $11) 19. Nc2 $14 {[%mdl 1024] White has compensation.} g5 (19... exf5 20. Nge3 $15) 20. Nce3 (20. Rb1 $14 Qxa2 21. Kg1 (21. Rxb7 Qa6 $11)) 20... Qa3 $11 21. Qe1 Nc6 22. Qf2 Nd8 23. Bd1 Be7 24. Bc2 Nb6 25. Rb1 Kd7 26. Rb5 Nc6 27. Rfb1 Kc7 28. fxe6 $2 ({Better is} 28. Bc1 $11 Qxa2 29. R5b2) 28... fxe6 $17 29. Qf7 Bxc2 (29... Qxa2 30. R5b2 $16) 30. Nxc2 Qa4 31. Nge3 {[#]} Kd7 $1 32. Be1 Rcf8 33. Qg6 Rfg8 (33... Qxa2 $2 34. Ra1 $18) 34. Qf7 Rf8 35. Qg6 $1 Rfg8 (35... Qxa2 $2 36. Ra1 $18) 36. Qf7 Nd8 37. Qf3 Rf8 ({But not} 37... Qxa2 $2 38. Ra1 $18) 38. Qe2 Nc6 {[%cal Bd8c6,Bc6a5,Ba5b3][%mdl 32]} 39. Bg3 Rf7 $4 {[%mdl 8192] [#]} (39... Kc7 $19 40. Qg2 Kc8) 40. Nxd5 $1 $18 {[%mdl 512]} Nxd5 {[#]} 41. Rxd5+ $1 {[%mdl 512]} Kc8 (41... exd5 42. e6+) 42. Rdb5 Na5 43. Ne3 Ba3 44. d5 {[%cal Bd4d5,Bd5e6][%mdl 32]} Re8 {and the idea ...Rc7 leaves Black hopeful.} 45. dxe6 {White is clearly winning.} Rc7 46. Qc2 Nb3 47. Rd5 ({Not} 47. axb3 Qxb5 48. Nxc4 Rxc4 $14) 47... Bc5 48. Nf5 ({Weaker is} 48. axb3 Qc6 $16) 48... Qc6 49. Qg2 {Precision: White = 31%, Black = 57%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Keymer, Vincent"]
[Black "Valsecchi, Alessio"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2403"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,89,2,-14,16,7,0,0,46,0,21,25,22,0,72,47,42,22,34,10,12,14,12,12,41,22,28,37,80,88,177,174,197,206,204,203,206,126,116,114,259,277,276,256,262,277,275,262,268,270,413,425,404,416,406,91,275,251,280,277,271,277,255,262,404,398,398,393,354,354,347,280,467,443,610,423,29984,29985]} 1. Nf3 c5 2. c4 Nf6 3. d4 e6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nf3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} Bb4 (7... Bc5 8. e3 Bb4 9. Bd2 d5 10. cxd5 exd5 11. Bg2 O-O 12. O-O Bg4 13. Qb3 Ba5 14. Qxb6 Bxb6 15. Na4 Ne4 16. Rfd1 {½-½ (16) Svidler,P (2765)-Anand,V (2782) Riadh 2017}) 8. Bg2 {LiveBook: 4 Games} Ne4 {[%csl Ge4][%cal Rb6f2]} (8... Qc5 {keeps more tension.} 9. Qd3 Ng4 10. O-O Nge5 11. Nxe5 Nxe5 12. Qd2 Nxc4 13. Qd3 Ne5) 9. O-O {The position is equal.} Nxc3 10. bxc3 Be7 $146 ({Predecessor:} 10... Bxc3 11. Be3 Qa5 12. Rc1 O-O 13. Qb3 Bf6 14. Rfd1 Be7 {0-1 (44) Unger,M (2220)-Khalifman,A (2645) Bad Wiessee 1998}) 11. Be3 Qc7 12. c5 O-O 13. Nd4 Nxd4 (13... a6 $11) 14. cxd4 d5 15. cxd6 Bxd6 16. Qb3 Rb8 17. Rac1 $36 {[%mdl 2048] White fights for an advantage.} Qe7 18. Rfd1 b5 19. Bc6 a6 20. Rc2 Bb7 21. d5 {Strongly threatening dxe6.} exd5 (21... Bc8 $16) 22. Rxd5 $18 {Threatens to win with Bxb7.} ({Don't take} 22. Bxd5 $6 Bxd5 23. Qxd5 Bb4 $14) 22... Bc8 23. Qd3 $1 Bb4 24. Bg5 $1 {[%cal Rg5e7]} Qe6 25. Qd4 Be7 26. Bf4 Qg6 {[#]} (26... Bb7 $16) 27. Rc1 $1 Be6 28. Bxb8 Bxd5 29. Bxd5 Rxb8 30. Qa7 Qd6 31. Rc6 Qe5 (31... Qd8 $142 32. Rc7 (32. Rxa6 Rc8 $18) 32... Bf6) 32. f4 Qxd5 33. Qxb8+ {[%mdl 4096] Endgame KQR-KQB} Bf8 34. Qb6 $2 (34. Rc8 $18 {[%csl Gb8][%cal Rc8f8] and White stays clearly on top.} Qd4+ 35. Kf1 Qd1+ 36. Kf2 Qd4+ 37. Kf3) 34... Qxa2 $2 (34... Qd1+ $16 35. Kf2 Qh1) 35. Qe3 a5 36. Rc8 {White threatens Qc5 and mate.} Qb1+ 37. Kg2 {Hoping for Qe7.} Qb4 38. Qd3 Qe7 (38... a4 {keeps fighting.} 39. Qd5 g6) 39. Qxb5 Qe4+ 40. Kg1 {aiming for Qc5.} Qd4+ {[#]} 41. Kf1 $1 a4 42. Qc4 Qd1+ $2 (42... Qxc4 {was necessary.} 43. Rxc4 a3) 43. Kg2 a3 44. Qd3 Qa4 (44... Qxd3 $18 45. exd3 f6) 45. Qd6 {Precision: White = 66%, Black = 30%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Akshat, Khamparia"]
[Black "Lampert, Jonas"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2396"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,50,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-72,-41,-93,-91,-143,-139,-173,-170,-414,-421,-413,-411,-504,-507,-683,-675]} 1. d4 d5 2. c4 c6 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4g3,Bg3f1,Bf1e3][%mdl 32]} dxc4 4. e3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 5. a4 b4 6. Ne4 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Qd5 7. Ng3 Nf6 8. Be2 e5 (8... Nbd7 9. Nf3 Ba6 10. O-O e6 11. b3 Qa5 12. bxc4 c5 13. Bb2 Rd8 {1-0 (41) Mamedyarov,S (2772)-Holt,C (2555) chess.com INT 2017}) 9. Nf3 exd4 10. exd4 Bd6 {LiveBook: 12 Games} 11. Nf1 c3 12. Ne3 cxb2 13. Bxb2 Qe6 14. O-O $146 {aiming for d5!} Nd5 15. Bd3 Nxe3 16. fxe3 Ba6 $36 {[%mdl 2048] White is under pressure.} ({Don't do} 16... Qxe3+ 17. Kh1 $17) 17. Bxa6 $1 Nxa6 ({Wrong is} 17... Qxe3+ $2 18. Kh1 $18) 18. Qd3 (18. d5 $11 Qxe3+ 19. Kh1) 18... Nc7 $17 19. Ng5 (19. g3 $15) 19... Qg6 20. Rf5 (20. Qe4+ $142 Qxe4 21. Nxe4) 20... O-O 21. Raf1 Nd5 {Strongly threatening ...Ne7.} 22. Nh3 $2 {[#]} (22. Qb3) 22... Ne7 $19 23. e4 Nxf5 24. exf5 Qh5 25. d5 Rfe8 {Precision: White = 35%, Black = 100%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Skembris, Spyridon"]
[Black "Noe, Christopher"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2394"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,49,30,-12,44,34,66,62,68,50,68,62,110,110,111,110,178,79,81,79,125,130,97,45,79,64,88,75,75,47]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Re8 11. Rc1 Bf8 {A29: English Opening: Four Knights Variation with 4 g3} 12. Nb5 {LiveBook: 10 Games} (12. d4 exd4 13. Nxd4 Nxd4 14. Qxd4 Qxd4 15. Bxd4 c5 16. Be3 a4 17. Ne4 Ra5 18. Rfd1 Rb5 19. Bxc5 Rxb2 {1-0 (36) Naiditsch,A (2698)-Bogner,S (2569) Belfort 2012}) 12... Nd5 (12... a4 $11) 13. Bc5 $14 Be6 {White is slightly better.} 14. Bxf8 Kxf8 $146 ({Predecessor:} 14... Rxf8 15. e4 Nb6 16. h3 f6 17. Re1 Qd7 18. d4 exd4 19. Nfxd4 Nxd4 20. Nxd4 {1-0 (46) Castaneda,J (2199)-Barros,R (2146) San Andres Isla 2015}) 15. Rc5 f6 16. Qc2 {And now d4 would win.} Qd7 17. d4 {Strongly threatening dxe5.} e4 18. Qxe4 b6 {[#]} (18... Nce7 $16) 19. Rxd5 (19. Ng5 $1 $18 {[%cal Rg5e6] is the precise move to win.} fxg5 20. Rxd5 Qxd5 21. Qxd5 Bxd5 22. Bxd5) 19... Bxd5 $16 20. Qxh7 Ne7 21. Nc3 Bg8 22. Qc2 (22. Qh8 $16) 22... Rad8 23. Rc1 Bf7 24. e3 Kg8 25. Nh4 {Precision: White = 50%, Black = 12%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Tomczak, Mikolaj"]
[Black "Riff, Jean-Noel"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2394"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,20,-12,-16,-16,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (6... Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qf6 11. e3 Bg4 12. Be2 O-O 13. O-O Rfe8 14. Bd2 d4 15. Rad1 Nxd2 16. Rxd2 dxe3 {½-½ (31) Mamedyarov,S (2809)-So,W (2799) Berlin 2018}) 7. cxd5 cxd4 8. Qxd4 Nc6 {LiveBook: 3 Games. The position is equal.} 9. Qh4 exd5 10. Bg5 O-O $146 ({Predecessor:} 10... Bf5 11. Bxf6 gxf6 12. e3 Rg8 13. Nf3 Rg4 14. Qh6 Qa5+ {0-1 (36) Rusek,W (1794)-Bejashvili,I (1749) Yerevan 2014}) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Sinz, Bernhard"]
[Black "Kuipers, Stefan"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2383"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,79,0,0,0,0,0,0,0,0,0,27,0,119,116,157,156,156,166,137,162,132,124,158,133,96,107,201,190,338,312,368,368,368,368,368,368,368,368,368,368,366,363,363,360,342,335,327,321,308,277,365,363,399,370,1442,1339]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bd3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (10. Ne2 O-O 11. Ned4 Qb6 12. c3 b4 13. Bd3 a5 14. O-O Ba6 15. Kh1 Bxd3 16. Qxd3 Qa6 17. Qc2 bxc3 18. bxc3 {½-½ (31) Dominguez Perez,L (2739)-So,W (2788) Saint Louis 2017}) 10... Qb6 11. Bf2 h6 12. a3 O-O 13. O-O Ra7 {LiveBook: 5 Games} 14. b4 Bxf2+ 15. Rxf2 f6 16. exf6 Nxf6 {Hoping for ...Ng4.} 17. Kh1 Qc7 $146 ({Predecessor:} 17... Ng4) 18. Rff1 e5 {[#]} (18... Qb6 $11 {remains equal.}) 19. Bxb5 $1 $16 {[%mdl 512]} axb5 20. Nxb5 Qb7 21. Nxa7 Nxa7 {[%cal Bc6a7,Ba7b5,Bb5c3][%mdl 32]} 22. fxe5 ({Don't do} 22. Nxe5 Ne4 $14) 22... Ne4 23. Qe3 Nb5 24. a4 Nbc3 25. b5 Bd7 (25... Qc7 $16 {might work better.}) 26. Nd2 $18 {Threatens to win with Rxf8+.} Rxf1+ (26... Rc8 $142 27. Nxe4 Nxe4) 27. Rxf1 Nxd2 28. Qxd2 Nxa4 {[#]} 29. Qb4 $1 {[%cal Rb4f8] White wants to mate with Qf8+.} Qxb5 {[%cal Rb5f1]} 30. Rf8+ Kh7 31. Qxb5 Bxb5 32. e6 Nc5 33. e7 Kg6 34. e8=Q+ Bxe8 35. Rxe8 {KR-KN} Kf5 36. Kg1 Ne6 37. Kf2 h5 38. Ke3 h4 39. Ra8 g5 $2 (39... Ke5 40. Ra5 Kd6) 40. Ra5 {Precision: White = 95%, Black = 31%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Philippe, Christophe"]
[Black "Hirneise, Tobias"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2381"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "217"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,217,0,0,-12,-15,-18,-28,-40,-34,-33,-41,-34,-39,-41,-41,-37,-31,-44,-28,-25,-6,-2,-10,-9,-6,-14,-19,-13,-14,-13,-8,-79,-70,-188,-105,-163,-162,-146,-142,-187,-179,-179,-182,-183,-177,-177,-173,-212,-199,-177,-68,-78,-40,-56,-57,-64,0,0,0,-17,-24,-53,-40,-62,0,0,0,-59,-55,-77,-80,-75,-83,-82,-80,-74,0,0,-4,-200,0,0,29,13,11,14,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-26,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-24,-22,-22]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. Bg5 c6 11. Qf3 Bd6 12. h3 Rb8 13. Rab1 h6 {C47: Scotch Four Knights and Four Knights with 4 g3} 14. Bf4 Re8 (14... Be6 15. Ne2 c5 16. c3 Re8 17. Rfd1 Rb6 18. Bc2 Bxf4 19. Nxf4 Qb8 20. b3 a5 21. Re1 {1-0 (33) Dubov,D (2694)-Matlakov,M (2709) Moscow 2018}) 15. b3 Be6 {LiveBook: 3 Games} 16. Na4 c5 17. Bxd6 $146 ({Predecessor:} 17. Rfd1 Bxf4 18. Qxf4 Qa5 19. Bf5 Rb4 20. Qf3 Bxf5 21. Qxf5 {½-½ (39) Mittelberger,P (2246)-Handler,L (2403) Feldkirch 2013}) 17... Qxd6 18. Rbd1 Bd7 19. Nc3 Bc6 20. Qg3 Qxg3 21. fxg3 Re3 22. Rf3 Re6 {White must now prevent ...d4.} 23. Rf2 Rbe8 24. Bb5 d4 25. Bxc6 Rxc6 26. Na4 Re3 27. Rd3 Re1+ 28. Rf1 Re2 {Strongly threatening ...c4.} 29. Rf2 $1 {[%cal Rf2e2]} Re4 30. Nb2 (30. c3 $11) 30... Re1+ $17 31. Kh2 (31. Rf1 $15 Rxf1+ 32. Kxf1) 31... Rb1 (31... Ne4 $19 32. Rf4 g5) 32. Nc4 (32. Na4 $17) 32... Re6 $36 {[%mdl 2048] Black has strong initiative.} 33. g4 Ree1 34. Nd6 h5 35. Kg3 hxg4 36. hxg4 Re6 $1 {[%cal Re6d6]} 37. g5 Nh5+ ({Don't do} 37... Rxd6 38. gxf6 Rb2 39. c3 $15) 38. Kg4 g6 $1 ({Not} 38... Rxd6 39. Kxh5 Ra1 40. Rdf3 $11) 39. Nc4 Re4+ (39... f5+ $19 40. Kf3 Re4) 40. Kf3 $15 Rf4+ (40... Rbe1 {seems wilder.} 41. g3 Ng7 42. Kg2 Re7 43. Nd2 Rc1) 41. Ke2 Rc1 42. Rd2 Rxf2+ (42... Rg4 $1 $15 43. Nd6 Ng3+ 44. Kf3 Rxg5) 43. Kxf2 {[%mdl 4096] Endgame KRN-KRN} Nf4 44. Nd6 Ne6 45. Ne4 Kf8 46. Re2 Nf4 47. Rd2 Ne6 48. Re2 Ra1 49. a4 {[#]} c4 $1 {[%mdl 512]} 50. bxc4 Rxa4 51. c5 Rc4 52. Ke1 Kg7 (52... Nxc5 $17 53. Nd6 Rc3 54. Re8+ Kg7) 53. Kd2 $11 Nxc5 54. Nd6 $2 {[#]} (54. Nxc5 $11 {and White is okay.} Rxc5 55. Kd3) 54... Rb4 $2 ({Black should play} 54... Rxc2+ $1 $19 {[%mdl 512]} 55. Kxc2 d3+ 56. Kd1 dxe2+ 57. Kxe2 Kf8) 55. Re7 a5 56. Rxf7+ Kg8 {aiming for ...Ne4+!} 57. Ra7 Rb2 58. Kc1 Ra2 59. Kb1 Ra4 60. Kb2 Rb4+ 61. Ka3 Ra4+ 62. Kb2 Rb4+ 63. Ka3 Ra4+ 64. Kb2 d3 65. cxd3 Nxd3+ 66. Kc3 Nf4 67. Kb3 Rb4+ 68. Ka3 Rd4 69. Ne8 Nxg2 70. Nf6+ Kf8 71. Rxa5 Kf7 72. Ra6 Nf4 73. Nh7 Nh3 74. Ra7+ Ke6 75. Nf8+ Kf5 76. Ra5+ Kg4 77. Nxg6 Nxg5 78. Ne5+ Kf4 79. Nc6 Rd3+ 80. Kb2 Ne4 81. Ra4 Rd6 82. Nb4 Kf3 83. Nc2 Rb6+ 84. Rb4 Ra6 85. Kc1 Nf2 86. Kb2 (86. Rb8 {with more complications.} Rc6 87. Kb1 Rd6 88. Nb4 Ke3 89. Kc2) 86... Nd3+ 87. Kc3 Nxb4 88. Nxb4 {KR-KN} Ra8 89. Kd4 Rb8 90. Nd5 Rd8 91. Ke5 Ke2 92. Nf6 Ra8 93. Ne4 Re8+ 94. Kd5 Rd8+ 95. Kc4 Ke3 96. Nc5 Rc8 97. Kd5 Ra8 98. Ne6 Ra5+ 99. Kc4 Re5 100. Nc5 Re7 101. Nb3 Ke4 102. Kc5 Rc7+ 103. Kd6 Rh7 104. Nc5+ Ke3 105. Ne6 Kd2 106. Ke5 Kc1 107. Ke4 Kb2 108. Kd5 Ka1 109. Ke5 {[%mdl 32768] Precision: White = 61%, Black = 71%. . Sensor Board Error (Ke4/e5)?} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Krause, Benedict"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2358"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,-102,-54,-68,-24,-46,-16,-10,-21,-14,-19,-45,-24,-35,-32,-37,-43,-58,-54,-70,-43,-103,-97,-93,-62,-49,-22,-107,0,-99,-16,-25,16,0,25,-21,-3,-55]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. g4 (4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 7. b3 Nge7 8. Bb2 Ng6 9. Re1 Be7 10. Nd5 exd5 11. exd5 O-O 12. dxc6 dxc6 13. Bxg6 hxg6 14. a4 {½-½ (81) Grischuk,A (2772)-Harikrishna,P (2744) Huaian 2017}) 4... d5 5. g5 $146 ({Predecessor:} 5. exd5 exd5 6. Qe2+ Be6 7. Ng5 Qxg5 8. Nb5 Kd7 9. d4 Qxg4 10. Qe3 a6 11. Nc3 cxd4 12. Qd3 dxc3 13. Qxc3 Bb4 14. Bh3 Qe4+ 15. Be3 Bxc3+ 16. bxc3 Qxh1+ 17. Ke2 Qxa1 18. f4 Bxh3 {1-0 (18) Booth,G (1200)-Vacchiano,C (1200) IECG email 2003}) 5... Nge7 6. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32] B40: Sicilian: 2...e6, Unusual lines} g6 7. h5 Bg7 8. h6 Bd4 9. d3 O-O 10. Bd2 Bh8 11. Nh2 d4 12. Ne2 e5 13. Ng3 Be6 14. Ng4 Nc8 15. Rg1 (15. Bh3 $15) 15... Nd6 $17 16. Bh3 Qd7 17. Qf3 b5 18. Kf1 (18. Ne2 $1 $11) 18... Qe7 {[#]} ({Black should try} 18... Ne8 $17 19. a4 b4) 19. Re1 {[#]} (19. Nf5 $1 $11 {[%mdl 512]} Bxf5 (19... Nxf5 20. exf5) 20. exf5) 19... Bxg4 ({Not} 19... Bxa2 {[#]} 20. Nf5 $1 $14 {[%mdl 512]}) (19... f6 $1 $17 20. gxf6 Bxf6) 20. Qxg4 $11 Rae8 21. Kg2 Nd8 22. Kh2 Ne6 23. Rg2 {Precision: White = 21%, Black = 33%.} (23. Ne2 $11) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Savina, Anastasia"]
[Black "Kunin, Vitaly"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2358"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,174,32,26,61,20,26,23,19,25,43,-2,47,39,134,123,145,135,182,171,236,224,230,218,314,290,410,396,445,444,464,464,452,435,464,458,637,615,572,458,430,416,465,453,465,461,455,458,435,454,535,531,495,517,540,540,529,526,504,466,472,449,441,416,618,602,602,598,588,563,940,895,1052,1031,2083,1931,2730,1839,3699,2494,2737,2107,1687,1644,2031,1204,3490,1342,4252,3185,2483,2753,2271,2135,29972,29974,29982,29979,29983,29984,29984,29979,29984,29985,29985,29986,29986,29985,29985,29986,29981,29977,29982,29981,29981,29982,29984,29985,29985,29983,29984,29985,29988,29984,29984,29981,29981,29982,29982,29981,29981,29982,29984,29985,29985,29986,29986,29987,29987,29988,29989,29990,29991,29991,29991,29992,29992,29993,29993,29994,29994,29995,29995,29996,29997,29996,29997,29997,29997,29997,29997,29998,29998,29999,29999]} 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bd2 O-O 6. Bg2 {A84: Dutch Defence: 2 c4 Miscellaneous} Nc6 7. Nf3 {LiveBook: 5 Games} Ne4 8. d5 $146 {White is slightly better.} (8. Nxe4 {looks sharper.} fxe4 9. Ne5 Qf6 10. f4 exf3 11. Nxf3 Be7 12. Bc3) ({Predecessor:} 8. Rc1 a5 9. d5 Bxc3 10. Bxc3 Nb4 11. Qb3 c5 12. dxe6 d6 13. Nd2 Nf6 14. a3 {1-0 (35) Iljin,T (2381)-Sitnikov,A (2509) Alushta 2009}) 8... Bxc3 9. Bxc3 Nxc3 10. bxc3 Na5 11. Qa4 c5 12. dxe6 {Threatens to win with e7!} dxe6 ({Better is} 12... Nc6 $1 $14) 13. Ne5 $1 $16 Qc7 14. f4 Rd8 15. Rd1 Rxd1+ (15... Rf8 $142 16. O-O Rb8) 16. Qxd1 $18 Rb8 17. O-O $1 $40 {[%cal Bh1f1,Bf1f3,Bf3d3,Bd3d7,Bd7a7][%mdl 160] White attacks with force.} b6 (17... h6 $142 18. e4 Nc6) 18. Rf3 $1 Ba6 {[#]} (18... g6 $142 19. Rd3 b5) 19. Rd3 $1 Rf8 20. Rd7 Qb8 {[#]} 21. Bd5 $1 {[%mdl 512]} Qe8 (21... exd5 22. Qxd5+) 22. Rxa7 Bc8 23. Bf3 h6 24. Qd6 Qd8 25. Qxd8 Rxd8 26. Kf2 Kh7 27. Bh5 Bb7 28. Bg6+ Kg8 29. Bf7+ Kf8 30. Bxe6 Rd1 {[#]} 31. Bd5 $1 Bxd5 32. cxd5 Rxd5 {[%mdl 4096] Endgame KRN-KRN} 33. Nd7+ Ke8 34. Nxb6 Nc6 35. Nxd5 Nxa7 {KN-KN} 36. Ke3 Kd7 37. Kd3 Kd6 (37... Nc8 $142 38. c4 Nd6) 38. Ne3 g6 39. Nc4+ Kd5 40. Ne5 g5 41. c4+ Ke6 42. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} h5 43. h4 gxf4 44. gxf4 Nc8 45. a5 Kd6 46. e4 Ne7 47. Ke3 Kc7 48. Nd3 Kc6 49. Kf3 (49. a6 $142 Kb6 {[#]} 50. Nxc5 $1 {[%mdl 512]}) 49... Kd6 50. a6 Kc6 {[#]} 51. Nxc5 $1 {[%mdl 512]} Kb6 (51... Kxc5 52. a7) 52. Ke3 fxe4 53. Kxe4 {White mates.} Ng6 54. f5 Nxh4 55. f6 Ng6 56. Kf5 Nf8 57. f7 h4 58. Kg4 Ng6 59. Kh3 Ka7 60. Nd7 Kxa6 {[#]} 61. Ne5 $1 {[%mdl 512]} Nf8 (61... Nxe5 62. f8=Q) 62. Kxh4 Kb6 63. Kg5 Kc5 64. Kf6 Kd6 65. Nd3 Kd7 66. Kg7 Ke7 67. Kg8 Nd7 {[#]} 68. Ne5 $1 {[%mdl 512]} Nf6+ (68... Nxe5 69. f8=Q+) 69. Kg7 Nh5+ 70. Kg6 Nf4+ 71. Kh7 Ne6 72. Kg8 Kd6 73. Nd3 Kd7 74. Nc5+ Nxc5 75. f8=Q Kc6 76. Qf5 Nd7 77. Qd5+ Kc7 78. Kf7 Nb6 79. Qc5+ Kb7 80. Ke7 Nc8+ 81. Kd8 Nb6 82. Qb5 Ka8 83. Qa6+ Kb8 84. Qxb6+ Ka8 85. Qa6+ Kb8 86. Qb5+ Ka8 87. Kc7 {[%csl Gc7][%cal Rb5b8]} Ka7 88. Qb7# {Precision: White = 83%, Black = 39%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Reuker, Jari"]
[Black "Schneider, Ilja"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2343"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,66,28,27,57,-73,-63,-84,-37,-53,-35,-42,-41,-45,-47,-43,-34,-42,-48,-52,0,-68,6,0,34,0,0,0,0,0,0,0,0,0,8,16,13,-48,-33,-24,-26,-48,-47,-76,-57,-169,-160,-230,-231,-233,-233,-29990,-29991,-29993,-1937]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 {[%cal Bg8f6,Bf6h5,Bh5f4][%mdl 32]} 4. Nf3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. e3 g6 8. Bd3 f6 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (8... Bg7 9. h3 Nxf4 10. exf4 b6 11. cxb6 Qxb6 12. O-O Bxd4 13. Na4 Qa7 14. Rc1 Bb7 15. Bxg6 Bxf2+ 16. Rxf2 hxg6 {1-0 (29) Leniart,A (2484)-Svetushkin,D (2544) Achaea 2016}) 9. h4 $146 {[#]} (9. Qc2 $1 $14 Bg7 10. O-O) ({Predecessor:} 9. O-O e5 10. dxe5 Nxf4 11. exf4 fxe5 12. Nxe5 Nxe5 13. Re1 Bxc5 14. Rxe5+ Kf7 15. Nxd5 cxd5 16. Rxd5 {1-0 (35) Li,B (2307)-Korpa,B (2357) Budapest 2013}) 9... e5 $1 $17 {[%cal Re5f4]} 10. dxe5 Nxc5 {Black is better.} 11. exf6 Nxf4 12. f7+ Kxf7 13. exf4 Bg7 {aiming for ...Qb6.} 14. Ng5+ Kg8 15. Bc2 h6 16. Nf3 Bg4 ({Better is} 16... Qd6 $15 17. h5 g5) 17. Qd2 (17. Bxg6 $11 Qe7+ 18. Kf1) 17... d4 (17... Qd6 $15 18. Kf1 Ne6) 18. O-O-O $11 Qf8 19. Ne4 {[#]} d3 $1 {[%cal Rd3c2][%mdl 512]} 20. Bxd3 Nxd3+ 21. Qxd3 Qxf4+ 22. Kb1 Kh7 {[#] ...Rhd8! is the strong threat.} 23. h5 $1 {[%mdl 512] Hoping for hxg6+.} Rhf8 (23... Bxh5 24. Rxh5) 24. hxg6+ Kh8 25. Nd6 (25. Ka1 $1 $11) 25... Rad8 $1 $40 {[%mdl 128] Black mounts an attack.} 26. Nf7+ Kg8 27. Qb3 {Intending Nxh6+ and mate.} (27. Nxd8 $2 {is the wrong capture.} Bf5 $19) 27... Qe4+ 28. Ka1 Rxd1+ 29. Rxd1 (29. Qxd1 $15 Qxg6 30. N7e5) 29... Be6 $19 30. Qxb7 (30. Qe3 $17 Qxg6 31. N7e5) 30... Qxg6 {Threatens to win with ...Qc2.} 31. N7e5 Qc2 {[%cal Rc2d1][%mdl 1024] Black has strong compensation.} 32. Re1 $2 (32. Rb1 $19 Bxa2 33. Rc1 Qxc1+ 34. Kxa2) 32... Rd8 33. Rb1 Bxa2 {Precision: White = 44%, Black = 58%.} (33... Rd1 $142 34. Nd2 Qxd2 35. Qa8+ Kh7 36. Qxc6 Rxb1+ 37. Kxb1 Bf5+ 38. Ka1 Qe1+ 39. Qc1 Qxc1#) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Soham Das"]
[Black "Firat, Burak"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2275"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,58,6,29,0,0,0,8,-43,-42,-76,-62,-107,-100,-317,-335,-335,-324,-320,-332,-336,-325,-447,-445,-466,-455,-457,-462,-457,-452,-452,-448,-420,-351,-541,-516,-637,-625,-704,-695]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Qd1 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} b6 10. dxc5 bxc5 11. c4 Ne7 {[%cal Bg8e7,Be7d5,Bd5f4][%mdl 32] LiveBook: 8 Games} (11... Ba6 12. cxd5 Bxf1 13. Kxf1 exd5 14. Nf3 Nd7 15. h4 h5 16. Rb1 Ne7 {½-½ (47) Najer,E (2699)-Harikrishna,P (2733) Antalya 2017}) 12. c3 Qxd1+ 13. Rxd1 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 14. Be3 $146 (14. cxd5 $11 exd5 15. Nf3) ({Predecessor:} 14. f4 dxc4 15. Nf3 Bb7 16. Kf2 Bd5 {0-1 (51) Rydstrom,T (2292)-Karlsson,L (2441) Norrkoeping 2015}) 14... Rb8 $15 ({But not} 14... Nxe5 $6 15. cxd5 Nxd5 16. Bxc5+ Kg8 17. c4 $16) 15. a4 Rb3 16. cxd5 Nxd5 17. Bxc5+ $2 {[#]} (17. Nf3 $17) 17... Nxc5 $19 18. c4 Nf4 ({Weaker is} 18... Nxa4 19. cxd5 exd5 20. Nf3 $15) 19. Rd8+ Ke7 20. Rxh8 {[#]} Ne4 $1 {[%cal Rb3b1]} 21. Be2 Bd7 22. Nh3 Nxg2+ 23. Kf1 Nh4 24. Bd1 Rxh3 25. Rxh7 {If White can now play Bg4 this consolidates a bit.} Nd2+ 26. Ke2 Nxc4 27. f3 (27. Rg1 {was necessary.} Nxe5 28. Rgxg7) 27... Nxe5 {Black is clearly winning.} 28. Kf2 Nd3+ 29. Ke3 Nf5+ {Precision: White = 32%, Black = 71%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Moucheroud, Jeremy"]
[Black "Vogel, Roven"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2189"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,56,0,8,-21,0,0,0,0,33,-25,0,0,0,0,15,-26,-23,-29,-9,-14,-14,-14,-14,-37,-7,-25,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bd2 c5 12. O-O-O Nc6 {[%cal Rc5d4] LiveBook: 107 Games. B19: Classical Caro-Kann: 4...Bf5 main line} 13. Be1 $146 ({Predecessor:} 13. Bc3 Nb4 14. Qb5+ Qd7 15. Qxd7+ Nxd7 16. Kb1 Nd5 17. Bd2 cxd4 18. Nxd4 Bc5 19. Bc1 N7f6 20. f3 {0-1 (42) Plat,V (2532)-Navara,D (2725) Tallinn 2016}) 13... Qc7 14. Qc4 cxd4 15. Nxd4 Qf4+ 16. Rd2 (16. Kb1 $14 Be7 17. Nge2) 16... Nxd4 17. Qxd4 Qxd4 18. Rxd4 Rc8 19. Bb4 Bxb4 20. Rxb4 Rc7 21. Ne4 Ke7 22. Nxf6 gxf6 $11 {[%mdl 4096] Endgame KRR-KRR} 23. Rhh4 f5 24. Rhc4 Kd7 25. Kd2 {The position is equal.} Rg8 26. g3 Rg5 27. Rxc7+ Kxc7 28. Rh4 Kc6 {Precision: White = 49%, Black = 41%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "6"]
[White "Vinke, Andreas"]
[Black "Vrolijk, Liam"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2162"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,84,14,-9,56,48,53,-41,-31,-18,-31,-27,-20,-23,-29,-173,-153,-214,-194,-191,-197,-216,-200,-199,-172,-244,-233,-406,-203,-183,0,0,0,0,0,-98,-99,-123,-110,-127,0,0,0,0,0,0,0,0,0,-43,0,-64,-51,-97,-89,-93,-76,-682,-697,-687,-672,-526,-77,-893,-890,-29991,-29992,-29990,-29987,-29987,-29988,-29988,-29983,-29983,-29984,-29957,-1616]} 1. c4 e5 2. g3 c6 3. d4 e4 4. Nc3 d5 5. cxd5 (5. f3 exf3 6. Nxf3 Nf6 7. Bg5 dxc4 8. e4 Bg4 9. e5 h6 10. Bxf6 gxf6 11. Bxc4 {½-½ (73) Ponkratov,P (2613)-Navara,D (2740) Katowice 2017}) 5... cxd5 6. Qb3 {LiveBook: 16 Games. A20: English Opening: 1...e5} Ne7 (6... Nc6 $11) 7. Bf4 $14 {aiming for Nb5.} a6 $1 8. Bh3 $146 (8. f3 $1 $14) ({Predecessor:} 8. Bxb8 Rxb8 9. Nh3 b5 10. Nf4 Bb7 {0-1 (30) Gaehler,M (2341)-Jenni,F (2463) Switzerland 2017}) 8... Bxh3 $15 9. Nxh3 Nbc6 10. Qxb7 {Hoping for Nxd5!} Ra7 11. Qb3 Qd7 $36 {[%mdl 2048] White is under pressure.} 12. g4 (12. Ng1 $1 $11 {and White is okay.}) 12... h5 13. Be3 (13. Bd2 $17 {might work better.}) 13... hxg4 14. Nf4 {[%cal Rc3d5]} Rb7 15. Qa4 g5 16. Ng2 Bh6 17. O-O-O (17. b3 $142) 17... O-O $1 $19 18. Rdf1 $2 (18. a3) 18... f5 (18... Rfb8 $142 19. b3 Bg7) 19. h4 gxh3 $2 (19... Rfb8 $19 20. hxg5 Bg7) 20. Rxh3 $11 Rf6 {Strongly threatening ...f4.} 21. Rfh1 ({Of course not} 21. Qxa6 f4 $17) 21... Kg7 22. f4 {[#]} (22. Kb1 $11) 22... exf3 $1 $17 23. exf3 f4 24. Bf2 Nf5 (24... Qc8 $17) 25. Ne1 Rb4 26. Qxa6 Rc4 27. Qb5 {Kb1 is the strong threat.} Ng3 28. Bxg3 fxg3 29. Rxg3 Qd6 30. Rg4 ({White should play} 30. Rg2 $1 $11) 30... Nxd4 $15 31. Qb7+ Rc7 32. Qa8 Ne2+ 33. Kc2 $2 {[%mdl 8192]} (33. Kd1 $17 Nxc3+ 34. bxc3) 33... Nxc3 $19 ({Not} 33... Rf8 34. Qa5 $17) 34. bxc3 Qe5 {( -> ...Qe2+)} 35. Qa5 Rfc6 $2 (35... Qe2+ $19 {and Black stays clearly on top.} 36. Kb1 Qd1+ 37. Kb2 Re7) 36. Kb1 $2 {[%mdl 8192]} (36. Kd2 $17) 36... Rxc3 {[%csl Gc7][%cal Rc3c1]} 37. Ng2 Qf5+ {Black mates.} 38. Ka1 Rc1+ 39. Rxc1 Rxc1+ 40. Kb2 Rc2+ 41. Kb3 Qd3+ 42. Kb4 Qd2+ {Precision: White = 37%, Black = 56%.} (42... Qc3+ $142 43. Kb5 Rb2+ 44. Qb4 Rxb4+ 45. Rxb4 Qxf3 46. Ne1 Qe2+ 47. Kc5 Qxe1 48. a3 {[#]} Qxb4+ $1 {[%mdl 512]} 49. axb4 g4 50. Kxd5 g3 51. Kc5 Be3+ 52. Kd6 g2 53. Kd5 g1=Q 54. Ke4 Bb6 55. Kd3 Qd4+ 56. Kc2 Qc4+ 57. Kd2 Kh6 58. b5 Kg7 59. Kd1 Qa2 60. Ke1 Qc2 61. Kf1 Qf2#) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Rapport, Richard"]
[Black "Kollars, Dmitrij"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2715"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,6,3,12,14,23,26,22,23,24,22,27,32,35,29,27,29,35,35,38,36,43,38,26,20,14,25,27,13,87,89,138,132,129,138,129,122,143,134,141,131,139,138,121,89,191,96,113,92,489,486,485,485,482,480]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Be7 7. d3 d6 8. a3 {LiveBook: 48 Games. C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} Na5 (8... O-O 9. Nd5 Na5 10. Ba2 Nxd5 11. Bxd5 c6 12. Ba2 Bf6 13. O-O Re8 14. b4 Nb7 15. c4 Be6 {½-½ (23) Rapport,R (2692)-Aronian,L (2785) Sharjah 2017}) 9. Ba2 c5 10. b4 {White has an edge.} Nc6 11. Nd5 O-O $146 ({Predecessor:} 11... Be6 12. Nxf6+ Bxf6 13. Bxe6 fxe6 14. bxc5 dxc5 15. Be3 Nd4 {1-0 (35) Hovhannisyan,R (2606)-Srija,S (2167) Abu Dhabi 2017}) 12. Be3 cxb4 13. axb4 Bb7 14. O-O Nxd5 15. Bxd5 Qd7 16. Qb1 Bf6 17. Nd2 Ne7 18. Bxb7 Qxb7 19. Ra3 d5 {Hoping for ...d4.} 20. Bc5 Rfc8 21. Qa2 a5 (21... Bg5 $11) 22. Ra1 $1 $16 a4 {[#]} 23. c4 $1 {[%cal Re4d5]} dxc4 24. dxc4 Rd8 25. cxb5 Qxb5 26. Rxa4 Rxa4 27. Qxa4 $40 {[%mdl 128] White is out for blood.} Qe2 28. Be3 h6 29. Nf1 Bg5 {[#]} (29... Rb8 $16) 30. Bxg5 (30. Qa5 $1 $18 {[%cal Ra5d8]} Rc8 31. Bxg5 hxg5 32. Qxe5) 30... hxg5 31. Qa5 Nc6 $2 {[%mdl 8192]} (31... Rc8 $16) 32. Qc7 $18 {White is clearly winning.} Qc4 {[#]} 33. b5 $1 {[%mdl 512]} Qxb5 34. Rc1 {Precision: White = 69%, Black = 54%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Andreikin, Dmitry"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2712"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,53,48,57,35,81,46,64,70,81,45,51,33,43,38,77,98,95,0,0,0,0,-14,0,-14,68,68,75,75,71,76,69,68,64,62,62,59,67,54,62,35,43,43,42,20,24,12,20,3,2,0,13,-6,-2,-29,-5,-18,0,0,0,0,0,0,0,0,0,-3,-4,-8,7,0,3,-14,0]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Be3 {LiveBook: 29 Games. B01: Scandinavian Defence} (6. h3 Nbd7 7. Bd3 g6 8. O-O Bg7 9. Re1 O-O 10. Qe2 e6 11. Bg5 b6 12. Rad1 Bb7 13. Ne5 c5 14. dxc5 Qxe5 15. Qxe5 Nxe5 16. Rxe5 {1-0 (90) Guseinov,G (2645)-Carlsen,M (2832) chess.com INT 2017}) 6... Nbd7 7. Qd2 Qb4 $146 ({Find the theoretical novelty and annotate with similar games:} 7... Nb6 8. Bd3 Be6 9. Ne5 Nbd5 10. O-O Nxe3 11. fxe3 g6 12. Ne2 Bg7 13. Nf4 Nd7 14. Nxe6 Bxe5 {0-1 (34) Hladik,L (2032)-Heinzel,O (2350) Orlova 2014}) 8. Qc1 {White is better.} Nb6 9. a3 Qd6 10. Bf4 Qd8 11. Qd2 Bg4 12. Ne5 Bh5 13. f3 Nfd7 14. d5 (14. O-O-O $16) 14... Nxe5 $11 15. Bxe5 f6 16. O-O-O Nxd5 17. Bg3 {[%cal Rc3d5]} Bf7 ({Black should try} 17... e6 $1 $11) 18. Bc4 $36 {[%cal Rc3d5][%mdl 2048] White fights for an advantage.} Qa5 19. Nxd5 Qxd2+ 20. Rxd2 {[%cal Rd5c7] [#]} Bxd5 21. Bxd5 cxd5 22. Rxd5 Rd8 23. Rhd1 Rxd5 24. Rxd5 {[%mdl 4096] Endgame Hoping for Rb5. KRB-KRB} e5 25. f4 exf4 26. Bxf4 a6 27. Rd3 g5 28. Bc7 Be7 29. a4 Rf8 30. Rb3 Rf7 $1 31. Rd3 f5 32. Kd1 f4 (32... Bf6 $5 {[%cal Rf7c7]} 33. Re3+ Re7 34. Rxe7+ Kxe7 $11) 33. Rd5 {The position is equal.} g4 34. Ke2 Bf6 35. Bxf4 Bxb2 36. g3 (36. Bd2 {NOTEXT} Rd7 37. Rh5 Rc7 38. c3 Bxc3 39. Bxc3 Rxc3 40. Rxh7 b6 41. Rh6) 36... Re7+ 37. Kf1 Bf6 38. h3 gxh3 39. Rh5 Rg7 40. Rh6 Kf7 41. Rxh3 Kg8 {Precision: White = 40%, Black = 65%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Van Wely, Loek"]
[Black "Schlosser, Philipp"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2667"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,52,8,8,8,6,5,0,0,0,6,0,0,0,0,0,0,0,28,22,27,6,6,6,7,7,7,6,6,6,6,1,6,8,6,13,12,10,11,10,10,7,27]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. e4 O-O {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} 8. Nf3 Qc7 (8... Qa5 9. Bd2 Qh5 10. Be2 d5 11. cxd5 exd5 12. exd5 Nxd5 13. Nd4 Qe5 14. Nf3 Qd6 15. Nxd5 Qxd5 {0-1 (70) Vidit,S (2715)-Vachier Lagrave,M (2789) Riadh 2017}) 9. Be2 b6 10. O-O Bb7 11. Bg5 Rac8 12. Rc1 {[%cal Ba1c1,Bc1c2,Bc2d2][%mdl 32]} Qb8 13. Re1 Rfd8 14. Bf1 Ng4 $146 {[#] Hoping for ...Bxg5.} ({Predecessor:} 14... d6 15. h3 h6 16. Bh4 Nh5 {½-½ (16) Matamoros Franco,C (2478)-Rotstein,A (2495) Forni di Sopra 2017}) 15. Bxe7 Nxe7 16. h3 Nf6 {The position is equal.} 17. Rc2 Ng6 18. Rd2 d6 19. Nd4 a6 20. a4 h6 21. g3 Qc7 22. b3 d5 23. exd5 exd5 24. Nxd5 Nxd5 25. cxd5 Rxd5 26. Bg2 Rd7 {Precision: White = 89%, Black = 79%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Gordievsky, Dmitry"]
[Black "Bellahcene, Bilel"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2630"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,34,29,12,12,20,23,0,2,0,0,0,0,0,8,0,22,28,18,20,27,1,14,6,22,31,28,20,49,31,30,38,44,0,17,17,8,0,0,0,162,125,148,158,274,32,276,270,313,32,272,320,321,312,521,516,496,509,513,0,409,0,486,435,511,477,468,362]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 Qd7 5. h3 Bxf3 6. exf3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Bxf3 O-O-O 7. Nc3 e6 8. O-O h5 9. b4 Bxb4 10. Qd3 Nge7 11. Nb5 a6 12. a4 e5 13. Bg2 h4 {0-1 (32) Potkin,V (2625)-Popov,I (2650) Moscow 2014}) 6... Nf6 7. O-O e6 {LiveBook: 3 Games} 8. c3 {White has an edge.} Bd6 9. Qe2 $146 ({Predecessor:} 9. f4 h5 10. Be3 Ne7 11. Nd2 Nf5 12. Qf3 O-O-O 13. c4 Bb4 {1-0 (54) Loncar,R (2430)-Jurkovic,H (2399) Kostrena 2002}) 9... O-O 10. f4 Ne7 11. Nd2 c5 12. dxc5 Bxc5 13. Nb3 Bb6 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nf5 {...Nxg3 is the strong threat.} 15. a5 Bc7 16. c4 Rac8 17. cxd5 Nxd5 18. Bd2 Bd8 19. Rfd1 Bf6 20. Bb4 Be7 21. Bxe7 Nfxe7 22. Nd4 {[%cal Bb3d4,Bd4f3,Bf3g5][%mdl 32]} Rfd8 23. Nf3 Qc7 24. Ng5 {aiming for Qh5.} Nf6 25. Rxd8+ Rxd8 26. Qe3 Nc6 $2 {[#]} (26... a6 $11) 27. a6 $1 $18 Nd5 {[#]} 28. Qe4 $1 {[%cal Re4h7]} h6 (28... g6 $16) 29. Qh7+ Kf8 30. Bxd5 $1 Rxd5 31. Qh8+ Ke7 32. Nh7 Qd8 33. Qxg7 Rd1+ $2 (33... bxa6 34. Rxa6 Rd1+ 35. Kh2 Rc1) 34. Rxd1 Qxd1+ 35. Kg2 Qd5+ 36. Kg1 {Threatens to win with Qf8+.} Qd1+ 37. Kg2 Qd5+ 38. Kh2 {White is clearly winning.} Qf3 39. Qf8+ Kd7 40. Nf6+ {Precision: White = 70%, Black = 68%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Kozul, Zdenko"]
[Black "Pavlovic, Milos"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2617"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,75,0,3,1,4,0,0,0,0,0,4,0,10,0,14,0,0,-5,-16,-11,-6,-38,-32,-37,-37,-37,-37,-37,-10,-33,-36,-35,-34,-47,-43,-40,-26,-19,0,-55,0,-35,-36,-41,0,-54]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qd1 {E05: Open Catalan: 5 Nf3 Be7} c5 13. dxc5 Bxc5 14. Qxd8 Rxd8 15. Nbd2 Bc6 16. Nb3 Be7 {LiveBook: 11 Games} 17. Na5 h6 {[#]} 18. Bf4 $146 ({Find the theoretical novelty and annotate with similar games:} 18. Be3 Nd5 19. Bd2 Nb6 {1-0 (43) Nakamura,H (2814)-Anand,V (2816) Saint Louis 2015}) 18... Nd5 19. Bxb8 Raxb8 20. Nxc6 bxc6 21. Ne5 Rdc8 22. Rfc1 c5 23. e4 Nb4 24. Bf1 Bf6 25. Nc4 Nc6 26. a5 Rc7 27. Ra4 Bd4 28. Kg2 g5 29. Rc2 Rb3 30. Be2 Rcb7 31. Rd2 Kg7 32. e5 Rb8 33. Ra2 Nb4 34. Ra1 Nc6 35. Ra4 (35. Ra2 $11) 35... Nb4 ({And not} 35... Nxe5 {[#]} 36. Rxd4 $1 {[%mdl 512]} cxd4 37. Nxe5 $16) ({Reject} 35... Bxe5 $6 36. Bf3 $14) (35... R3b4 $15 36. Rxb4 Rxb4) 36. Kf1 Nd5 37. Ra1 Kg6 38. Ke1 {Precision: White = 33%, Black = 52%.} (38. Bd3+ $11 Kg7 39. Be2) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Landa, Konstantin"]
[Black "Nitin Shankar Madhu"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2613"]
[BlackElo "1902"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,36,25,17,26,18,18,0,10,-13,21,22,35,34,35,29,34,30,30,17,35,16,35,33,43,43,41]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. b3 a5 7. Nc3 {LiveBook: 7 Games. A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (7. a4 c5 8. Bb2 Nc6 9. dxc5 dxc5 10. Na3 Bf5 11. Nd2 Qc8 12. e4 Bh3 13. Ndc4 Bxg2 14. Kxg2 Qe6 15. f3 {1-0 (55) Vidit,S (2715)-Mamedov,R (2709) Riadh 2017}) 7... Nc6 8. Bb2 e5 $146 ({Find the theoretical novelty and annotate with similar games:} 8... Bf5 9. d5 Nb4 10. Nd4 Bd7 11. e4 c5 12. dxc6 Nxc6 13. Nd5 Nxd5 14. exd5 Ne5 {1-0 (54) Gareyev,T (2609)-Hebden,M (2494) Southend 2017}) 9. dxe5 {The position is equal.} dxe5 10. Nb5 {aiming for Qxd8.} Bd7 11. a4 Re8 12. Nd2 Bf5 13. Nc4 Qc8 14. Re1 Be4 15. Qc1 Bxg2 16. Kxg2 b6 17. e4 Qb7 18. f3 Nd7 {Precision: White = 71%, Black = 72%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Papp, Gabor"]
[Black "Burri, Quentin"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2604"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,115,-19,-11,0,0,-18,-13,-21,0,0,0,11,11,9,8,17,15,29,47,30,0,8,9,8,-27,29,27,27,10,10,0,26,37,37,27,29,24,29,10,12,8,20,-8,38,39,43,23,30,16,16,16,80,72,77,67,74,74,90,89,249,234,4404,3863,3863,3760,2351,2304,1464,672,1402,746,5135,5135,5135,5135,5135,5135,5127,5127,5113,5113,5106,5106,4713,4676,4570,777]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. e5 dxe5 {B97: Sicilian Najdorf: Poisoned Pawn} 12. fxe5 Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5 15. Qe3 Qxe5 16. Be2 {LiveBook: 267 Games. Threatens to win with 0-0.} Bc5 $1 {Strongly threatening ...0-0.} 17. Bg3 $1 {[%cal Rg3e5]} Bxd4 18. Rxd4 Qa5+ 19. Rd2 $1 O-O $1 20. Bd6 $1 {[#]} f5 $146 21. Bxf8 Nxf8 (21... Kxf8 $2 22. Nd6 $18) 22. Nd6 Nbd7 23. g4 Qe5 24. Qxe5 Nxe5 25. Rf1 g6 ({Much weaker is} 25... fxg4 $6 26. Nc4 $16) 26. h4 Kg7 ({But not} 26... Nxg4 $6 27. Bxg4 fxg4 28. Nf7 $16) 27. h5 Kf6 ({Black should play} 27... Bd7 28. gxf5 gxf5 29. Nxb7 a5) 28. hxg6 Nfxg6 29. gxf5 exf5 30. Ne8+ Ke7 (30... Kf7 $5 {[%cal Rf7e8]} 31. Nd6+ Kf6 $11) 31. Nc7 Rb8 32. Bh5 {[%mdl 1024] White has compensation.} Bd7 33. Nd5+ Ke6 34. Kd1 {Hoping for Bxg6.} Bc6 35. Nc7+ Ke7 36. Rxf5 Rd8 37. Rxd8 Kxd8 38. Ne6+ Ke7 39. Nd4 Bd7 40. Rf1 Bg4+ (40... Ng4 $11 {remains equal.} 41. Kd2 (41. Bxg6 Ne3+ 42. Ke2 Nxf1 $11) 41... N6e5) 41. Bxg4 $16 Nxg4 {[%mdl 4096] Endgame KRN-KNN} 42. Ke2 Kd6 {[#]} 43. Rb1 $1 Kd5 44. Rxb7 Kxd4 $2 (44... h5 $16) 45. Rb4+ $18 Kc3 $2 (45... Ke5) 46. Rxg4 {KR-KN. White is clearly winning.} Ne5 47. Re4 Nc4 {[#]} 48. Kd1 $1 {[%cal Rd1c1]} a5 49. Kc1 a4 50. Rh4 a3 51. Rxh6 Kb4 52. Rh8 Kc3 53. Rh3+ Kb4 54. Kb1 Kc5 55. Ka2 Kb4 56. Rg3 Ka4 57. Rb3 Ka5 58. Rxa3+ {Precision: White = 79%, Black = 30%.} (58. c3 $142 Ka6 59. Rb1) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Sumets, Andrey"]
[Black "Sriram, Jha"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2590"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,13,20,0,0,0,6,10,47,39,47,47,47,27,29,0,40,16,44,20,53,39,43,36,116,110,93,84,65,76,76,76,67,72,185,166,181,173,223,211,339,297,469,408,475,507,700,652,6129,5605,6321,6321,6199,6187,6126,6126,6099,1284,6321,6187,6498,5609,5310,2643]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Rc1 Bg4 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} (7... Bf5 8. Nf3 e6 9. Qb3 Ra7 10. Ne5 Nxe5 11. Bxe5 Nd7 12. Bg3 Be7 13. Qd1 O-O 14. Bd3 {½-½ (14) Ivanchuk,V (2758)-Le,Q (2705) Caleta 2013}) 8. f3 Bd7 9. Bd3 e6 {LiveBook: 9 Games. The position is equal.} 10. Bg5 Be7 11. f4 b5 12. Nf3 $146 ({Predecessor:} 12. Bxf6 Bxf6 13. Nf3 Na5 14. Qe2 Rc8 15. Kf2 O-O 16. g4 {½-½ (39) Chetverik,M (2290)-Korneevets,A (2325) Morava 1996}) 12... Ng4 13. Bxe7 Qxe7 14. Qe2 f5 15. h3 Nf6 16. g4 g6 17. gxf5 (17. Qg2 {is interesting.} O-O 18. g5 Ne4 19. h4 Be8 20. O-O) 17... gxf5 18. Ne5 Nxe5 19. fxe5 Ne4 {aiming for ...Qh4+.} 20. Bxe4 dxe4 {[#]} (20... fxe4 $14 21. Qh5+ Qf7 22. Qxf7+ Kxf7) 21. Qh5+ $1 $16 Qf7 22. Qxf7+ Kxf7 23. Ne2 Rac8 24. Kd2 b4 25. Nf4 Rhg8 (25... a5 $16) 26. Rxc8 $18 Rxc8 {[%mdl 4096] Endgame KRB-KRN} 27. Rg1 Ba4 {Strongly threatening ...Rc2+.} 28. b3 Bb5 (28... Bc6 $142 29. h4 Rf8) 29. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} a5 (29... Bc6 {was necessary.} 30. h5 Bd5) 30. h5 Bd7 {intending ...Rg8.} 31. d5 {White is clearly winning.} exd5 32. h6 Rg8 {[#]} 33. e6+ $1 {[%mdl 512]} Bxe6 34. Rxg8 Kxg8 35. Nxe6 {KN-KP} Kf7 36. Nf4 Kf6 37. Nxd5+ Kg5 38. Ne7 Kf6 39. Nc6 Kg5 40. Nd4 {[%mdl 32768] Precision: White = 69%, Black = 38%. . An unexpected result.} (40. Nxa5 $142 Kg6 41. Nc6) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Buhmann, Rainer"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2588"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,76,14,7,8,10,13,1,1,10,0,0,0,17,20,-18,-33,-32,0,0,0,0,0,0,0,0,0,0,0,-315,-316,-352,-343,-337,-306,-518,-526,-497,-204,-224,-218,-208,-221,-229,-231,-322,-339,-326,-325,-330,-330,-322,-322,-322,-317,-602,-559,-529,-519]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4 Nbd7 9. Qc2 b6 10. Nbd2 Ba6 11. e4 {LiveBook: 8 Games. E11: Bogo-Indian} (11. Rfe1 Nh5 12. Ne5 Nxe5 13. Bxe5 f6 14. Bf4 Nxf4 15. gxf4 Bb4 16. Red1 Qd6 17. Nf1 dxc4 18. a3 Ba5 {0-1 (35) Wang,H (2724)-Aronian,L (2783) Shanghai 2010}) 11... dxc4 $146 ({Predecessor:} 11... Nxe4 12. Nxe4 dxe4 13. Ne5 Nxe5 14. dxe5 Qd3 15. Rac1 Qxc2 16. Rxc2 Rad8 17. Be3 c5 18. Bxe4 Rd7 {1-0 (55) Volokitin,A (2681)-Gyimesi,Z (2607) Mainz 2007}) 12. Nxc4 Nxe4 13. Rfe1 {The position is equal.} Nef6 14. Nfe5 Nxe5 15. Nxe5 Rc8 16. Nxc6 {Hoping for Qa4.} Bb5 {And now ...Bxc6 would win.} 17. Nxe7+ (17. d5 $5 Nxd5 18. Bxd5 exd5 19. Nxe7+ Qxe7 20. Qxh7+ $1 {[%mdl 512]} Kxh7 21. Rxe7 $16) 17... Qxe7 18. Qd2 Qd7 19. Be5 Nd5 20. Bxg7 $1 Kxg7 21. Bxd5 $1 exd5 ({Reject} 21... Qxd5 $6 22. Re5 $16) 22. Qg5+ Kh8 {Threatens to win with ...f6.} 23. Qf6+ Kg8 {...Rc6 is the strong threat.} 24. Re5 $2 {[%mdl 8192] [#]} (24. Qg5+ $11 Kh8 25. Qf6+ Kg8 26. Qg5+ Kh8) 24... Bd3 $1 $19 25. h4 Rc6 26. Qg5+ Rg6 27. Rxd5 $2 (27. Re7 {keeps fighting.} Qd6 28. Qe5) 27... Qc6 (27... Rxg5 $2 28. Rxd7 Ra5 29. a3 $19) 28. Rc1 Rxg5 (28... Bc4 $142 29. Rxc4 Qxc4) 29. Rxg5+ {[#]} Qg6 $1 30. Rc7 (30. Rxg6+ hxg6) 30... a5 31. Rc6 b5 32. b3 {[#]} Qxg5 $1 33. hxg5 {[%mdl 4096] Endgame KRB-KR} Re8 34. Ra6 Re1+ 35. Kg2 Be4+ 36. f3 Re2+ 37. Kf1 $2 (37. Kg1 Bxf3 38. Rxa5) 37... Bd3 38. Kg1 Rxa2 {Precision: White = 66%, Black = 73%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Lagarde, Maxime"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2587"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,86,14,20,-8,-11,-8,-14,-12,30,13,37,14,14,29,62,14,37,0,53,59,58,52,66,49,48,0,54,0,56,0,54,-14,0,-9,-19,-18,-8,0,-8,-32,-35,-22,0,-98,-95,-104,-70,-99,-96,-103,-38,-40,-20,-54,0,0,0,0,0,0,0,-37,-22,-20,-8,-8,-8,-9,-6,-8,-8,-8,-11,-8,-8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. g4 O-O 11. g5 Nh5 12. O-O-O b5 13. Nd5 Bxd5 14. exd5 f6 15. gxf6 Bxf6 16. Kb1 Nf4 17. Rg1 Kh8 18. Bd3 Bg5 19. Na5 Bh6 20. Nc6 Qh4 21. Qb4 {½-½ (49) Caruana,F (2784)-Mamedyarov,S (2809) Berlin 2018}) 6... Nc6 7. Bg5 e6 {LiveBook: 3 Games} 8. Qd3 $146 ({Predecessor:} 8. Be2 Be7 9. Qd2 h6 10. Be3 e5 11. Nb3 b5 12. O-O-O Be6 13. Qe1 Rc8 {0-1 (21) Harutjunyan,G (2454)-Baghdasaryan,V (2469) Yerevan 2017}) 8... h6 9. Nxc6 bxc6 10. Bd2 Rb8 11. b3 d5 12. Qg3 Rb4 13. e5 Nd7 14. Bd3 (14. Be2 {seems wilder.} c5 15. f4 h5 16. Na4 Re4 17. Kf1) 14... Nc5 (14... h5 {feels hotter.} 15. Be2 Qc7 16. Na4 Rb8 17. O-O g6) 15. f4 Nxd3+ (15... Rb8 $11) 16. cxd3 $14 h5 17. Rc1 c5 18. Na4 Rb5 19. Nc3 Rb7 ({Black should play} 19... Rb4 $1 $11) 20. Na4 Rb5 $1 21. Nc3 (21. O-O $14) 21... Rb7 (21... Rb4 $11) 22. d4 (22. O-O $1 $14) 22... g6 23. Na4 cxd4 24. Qd3 Be7 25. g3 O-O 26. Qxd4 Bd7 {[%cal Bc8d7,Bd7b5,Bb5c4][%mdl 32]} 27. Nc5 Rc7 28. b4 (28. Ba5 $11 {keeps the balance.} Rxc5 29. Rxc5 Bxc5 30. Qxc5) 28... Bb5 $17 29. Kf2 Qc8 30. Be3 a5 31. a3 axb4 (31... Bc4 $17) 32. axb4 $15 Bc4 33. g4 Ra7 (33... hxg4 $15 34. h5 f5) 34. gxh5 $1 $11 Ra2+ ({But not} 34... gxh5 $2 35. Rc2 $18) 35. Kg1 gxh5 {[#] Strongly threatening ...Kh7.} 36. Rh2 {And now Rxa2 would win.} Qa8 37. Rcc2 Ra1+ 38. Bc1 $1 {The position is equal.} Kh7 {White must now prevent ...Qa3.} 39. Qd1 $132 {[%mdl 2048] White is fighting back} Rg8+ 40. Rhg2 {[%cal Rd1h5] [#]} Rg4 41. Rxg4 hxg4 42. Qxg4 {Rg2 would kill now.} Qg8 43. Qxg8+ Kxg8 {Precision: White = 42%, Black = 42%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Heimann, Andreas"]
[Black "Sinz, Bernhard"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2574"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,74,15,23,7,14,8,16,17,34,34,57,57,105,92,82,90,127,105,121,66,112,64,61,78,70,13,6,11,27,32,38,8,13,0,39,0,0,0,0,0,0,0,7,6,7,8,6,6,6,0,0,2,7,6,6,0,4]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. a4 b4 8. O-O O-O 9. h3 {C84: Closed Ruy Lopez: Unusual White 6th moves} (9. Nbd2 d6 10. Nc4 Rb8 11. h3 h6 12. c3 bxc3 13. bxc3 Be6 14. Ba2 Nd7 15. Qe2 Kh7 16. d4 exd4 17. cxd4 {0-1 (30) Jakovenko,D (2710)-Kovalev,V (2636) Sochi 2017}) 9... d6 10. a5 Be6 {LiveBook: 6 Games} 11. Bxe6 {White has an edge.} fxe6 12. Be3 Qe8 $146 ({Predecessor:} 12... d5 13. Nbd2 h6 14. c3 Bd6 15. Qb3 Kh8 16. Rfe1 Rb8 {½-½ (55) Tauscher,K (2223)-Nouveau,L (2196) ICCF email 2014}) 13. c3 bxc3 14. bxc3 Nd8 15. Nbd2 Nh5 16. d4 exd4 17. cxd4 Nf4 18. Rc1 c6 19. g3 (19. Bxf4 $16 Rxf4 20. Qb3) 19... Ng6 20. Nc4 Rb8 21. Nb6 Nb7 22. Nd2 ({White should play} 22. d5 $14 exd5 23. Nd4) 22... Nxa5 $11 23. Qa4 Rxb6 24. Qxa5 Qb8 25. Nc4 Rb3 {[#] Strongly threatening ...d5.} 26. Nd2 Rb6 $1 27. d5 Rb5 {The position is equal.} 28. Qxa6 cxd5 29. Rb1 Rxb1 $1 30. Rxb1 Qe8 31. exd5 exd5 32. Qd3 $36 {[%mdl 2048] White has good play.} Qf7 33. Rb5 Ne5 34. Qxd5 Qxd5 35. Rxd5 Nf3+ 36. Nxf3 Rxf3 37. Kg2 Rf8 {Precision: White = 42%, Black = 39%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Antal, Gergely"]
[Black "Skembris, Spyridon"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2540"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,20,-11,-16,-43,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (6... Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qf6 11. e3 Bg4 12. Be2 O-O 13. O-O Rfe8 14. Bd2 d4 15. Rad1 Nxd2 16. Rxd2 dxe3 {½-½ (31) Mamedyarov,S (2809)-So,W (2799) Berlin 2018}) 7. cxd5 cxd4 8. Qxd4 Nc6 {LiveBook: 3 Games} 9. Qh4 exd5 10. Bg5 O-O $146 ({Predecessor:} 10... Bf5 11. Bxf6 gxf6 12. e3 Rg8 13. Nf3 Rg4 14. Qh6 Qa5+ {0-1 (36) Rusek,W (1794)-Bejashvili,I (1749) Yerevan 2014}) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Malakhatko, Vadim"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2536"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,9,10,20,8,10,7,17,13,13,13,18,14,29,23,13,19,31,33,33,33,33,33,33,33,35,6,6,6,6,4,10,30,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O 11. Ng5 {LiveBook: 13 Games. D47: Semi-Slav: Meran System} (11. Qc2 Rc8 12. b4 a5 13. Rb1 c5 14. bxc5 Bxf3 15. gxf3 Nxc5 16. dxc5 Rxc5 17. Rxb5 Nd5 18. Rxc5 Qg5+ 19. Kh1 Qh5 20. f4 Qf3+ 21. Kg1 Qg4+ 22. Kh1 Qf3+ 23. Kg1 {½-½ (23) Mamedyarov,S (2762)-Gelfand,B (2743) Tashkent 2016}) 11... a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} 12. Nge4 Be7 13. b4 a5 14. Rb1 Nd5 $146 ({Find the theoretical novelty and annotate with similar games:} 14... axb4 15. axb4 Nxe4 16. Nxe4 {1-0 (46) Gavrilov,O (2181)-Lanin,A (2122) St Petersburg 2001}) 15. Nxd5 exd5 ({Of course not} 15... cxd5 16. Nc5 $16) 16. Nc5 Nxc5 17. dxc5 axb4 18. axb4 Bc8 19. Qc2 g6 20. Bb2 Bf6 21. Ra1 Rxa1 22. Rxa1 Be6 23. Ra6 Bxb2 24. Qxb2 d4 {[%cal Bd5d4,Bd4e3][%mdl 32]} 25. Rxc6 {[#] Rd6 is the strong threat.} dxe3 26. Rd6 ({Don't go for} 26. Bxb5 $2 Qd1+ 27. Bf1 Bc4 $19) 26... Qg5 27. Bf1 Bc4 {The position is equal.} 28. Bxc4 bxc4 $11 {[%mdl 4096] Endgame KQR-KQR} 29. h3 $36 {[%mdl 2048] White has good play.} Re8 {[#] Hoping for ...e2.} 30. fxe3 $1 Qxe3+ 31. Qf2 Qc3 32. Kh2 {aiming for Qf4.} Qxb4 33. Qd4 Qb8 34. Qxc4 Qc7 {Precision: White = 78%, Black = 79%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Lampert, Jonas"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2532"]
[BlackElo "2651"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,80,8,32,14,28,16,24,23,43,-18,-25,-29,-18,-25,-35,-60,-66,-81,-61,-66,-68,-70,-70,-93,-104,-111,-96,-132,-134,-137,-130,-177,-159,-163,-145,-338,-261,-277,-262,-403,-387,-367,-371,-369,-367,-358,-320,-360,-350,-322,-289,-472,-455,-705,-518,-2351,-780,-1504,-1435]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 d6 {C78: Ruy Lopez: Archangelsk and Möller Defences} 9. Nd5 h6 10. c3 Rb8 11. d4 (11. Re1 Ba7 12. Be3 Bxe3 13. Nxe3 Re8 14. a4 b4 15. a5 bxc3 16. bxc3 {½-½ (66) Anand,V (2783)-Carlsen,M (2822) Saint Louis 2017}) 11... Ba7 12. Be3 Nxe4 {LiveBook: 4 Games} 13. Re1 exd4 14. Nxd4 Bxd4 15. Bxd4 {[#]} Ng5 $146 ({Predecessor:} 15... Nc5 16. Bf6 gxf6 17. Qh5 Nxb3 18. Qxh6 Ne5 19. Nxf6+ Qxf6 20. Qxf6 Nxa1 21. Rxe5 {½-½ (21) Shcherbakov,R (2516)-Khairullin,I (2630) Sochi 2016}) 16. Qd3 (16. f4 $14 Ne6 17. Bf2) 16... Be6 $11 17. Nf4 {[%cal Rf4e6]} Nxd4 18. Qxd4 {aiming for Nh5.} c5 19. Nxe6 Nxe6 ({Of course not} 19... cxd4 $6 20. Nxd8 Rbxd8 21. cxd4 $11) (19... fxe6 20. Bxe6+ Nxe6 21. Qd5 $11) 20. Qe4 Ng5 $36 {[%cal Be6g5,Bg5h7,Bh7f6][%mdl 2080] Black has good play.} (20... Re8 {is interesting.} 21. Bc2 g6 22. Rad1 Qd7 23. Qh4 Kh7) 21. Qd5 Nh7 22. Rad1 Rb6 23. Re3 Nf6 24. Qf5 Re8 25. Rde1 {Rxe8+ would kill now.} Rxe3 26. Rxe3 d5 {[%cal Bd6d5,Bd5d4,Bd4d3][%mdl 32]} 27. h4 c4 28. Bc2 Rd6 29. g4 $2 (29. h5 $17 {was called for.}) 29... g6 30. Qf3 d4 31. Re5 (31. Re1 {might work better.}) 31... d3 $19 32. Bd1 Nd7 33. Re3 Qxh4 34. Re8+ Kg7 35. Qa8 {[#] Threatens to win with Rg8+.} Qf6 $1 36. Rh8 {[%csl Gh8][%cal Ra8g8] [#]} Qe5 $1 {[%cal Re5e1]} 37. Qg8+ (37. Qd8 {was worth a try.} Rb6 38. Re8) 37... Kf6 {Hoping for ...Qe1+.Black is clearly winning.} 38. Rh7 (38. Kf1 $142 Kg5 39. Qxf7) 38... Kg5 39. Rxf7 (39. Qxf7 $142 Nf6 40. Rg7 Nxg4 41. Qe7+ Qxe7 42. Rxe7) 39... Rf6 (39... Qe1+ $142 40. Kg2 Qxd1 41. Qd8+ Rf6) 40. Bf3 Qe6 {Precision: White = 24%, Black = 65%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Schneider, Ilja"]
[Black "Musat, Adrian"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2513"]
[BlackElo "2388"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,69,21,0,1,0,11,4,12,19,19,20,20,17,26,0,0,-19,0,0,5,5,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c4 dxc4 14. Bxc4 Qxd1 15. Rfxd1 g5 16. Bg3 Ne4 17. a3 Bf8 18. Rac1 Nxg3 19. hxg3 Rb8 20. b4 Bf5 21. Bd3 Bxd3 22. Rxd3 {½-½ (36) Artemiev,V (2691)-Carlsen,M (2837) Riadh 2017}) 10... h6 11. Qf3 c6 12. Bf4 Bd6 13. Rfe1 Be6 14. Rad1 {LiveBook: 4 Games} Bxf4 15. Qxf4 Qb8 {[#]} 16. Qe3 $146 ({Predecessor:} 16. Qxb8 Raxb8 17. Na4 Rfc8 18. Nc5 Rxb2 19. Nxe6 fxe6 20. Rxe6 {½-½ (65) Kovchan,A (2582)-Lin,C (2468) Albena 2015}) 16... Qb4 17. a3 Qxb2 18. Rb1 $1 {[%cal Rb1b2]} d4 $1 ({But not} 18... Qxa3 $2 {[#]} 19. Nxd5 $1 {[%mdl 512]} cxd5 20. Bh7+ $1 {[%mdl 512]} Kxh7 21. Qxa3 $18) ({Don't blunder} 18... Qxc3 $2 19. Bh7+ $1 {[%mdl 512]} Kxh7 20. Qxc3 $18) 19. Rxb2 dxe3 20. fxe3 Nd7 {The position is equal.} 21. Reb1 Nc5 22. Ne4 Nxe4 23. Bxe4 Bd5 24. Bxd5 cxd5 $11 {[%mdl 4096] Endgame KRR-KRR} 25. Rd1 Rfd8 26. Rb5 Rac8 27. Rbxd5 Rxd5 28. Rxd5 Rxc2 {KR-KR} 29. Rd8+ Kh7 30. Rd7 a6 31. Ra7 Rc3 32. a4 Rxe3 33. Rxa6 Ra3 34. a5 h5 35. Kf2 {Precision: White = 77%, Black = 75%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Ider, Borya"]
[Black "Fridman, Daniel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2505"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,25,0,0,0,0,0,0,0,0,33,29,28,28]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Qb3 {D00: 1 d4 d5: Unusual lines} (6. Ngf3 e6 7. Be2 Bd6 8. dxc5 Bxc5 9. Nd4 Bg6 10. Qa4 O-O 11. Nxc6 bxc6 12. Qxc6 Rc8 13. Qa4 Re8 14. O-O e5 {0-1 (57) Le,Q (2737)-Ding,L (2777) Riadh 2017}) 6... Qc8 7. Ngf3 c4 8. Qd1 {LiveBook: 7 Games. The position is equal.} b5 9. Be2 e6 10. Nh4 Be4 $146 ({Find the theoretical novelty and annotate with similar games:} 10... h6 11. Nxf5 exf5 12. h3 Qe6 {½-½ (30) Nitsche Hahn,R (1933)-Jahnz,F (2235) Germany 2017}) 11. Nhf3 h6 12. Nxe4 Nxe4 13. Nd2 {[%mdl 32768] Loss on Time!?} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Riff, Jean-Noel"]
[Black "Lokander, Martin"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2503"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,32,3,30,23,68,29,36,25,25,22,54,40,275,134,241,251,442,443,450,447,431,394,566,561,29999]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Be2 h6 $146 ({Predecessor:} 5... Nxc3 6. dxc3 Bg4 7. Ng5 Bxe2 8. Qxe2 e6 9. h4 Nd7 10. Bf4 h6 11. Nf3 Qa5 12. h5 Qb5 13. Qxb5 cxb5 {1-0 (28) Vachier Lagrave,M (2793)-Ghosh,D (2556) chess.com INT 2018}) 6. O-O {B11: Caro-Kann: Two Knights Variation} c5 7. Re1 Nxc3 8. dxc3 {[%cal Bd2c3,Bc3c4][%mdl 32] Black must now prevent Bb5+.White is slightly better.} Nc6 9. Bb5 {And now e6 would win.} Qb6 10. c4 d4 $2 {[#]} (10... dxc4 $14 11. Bxc4 e6) 11. c3 (11. e6 $1 $18) 11... dxc3 {[#]} (11... e6 $16 {keeps fighting.}) 12. e6 $1 $18 (12. bxc3 e6 $14) 12... Bxe6 $2 {[#]} (12... Qc7 13. exf7+ (13. bxc3 Bxe6 14. Ne5 g5 $16) 13... Kxf7 14. Bxc6 (14. bxc3 Kg8 $16) 14... bxc6 15. Ne5+ (15. bxc3 Kg8 $18) 15... Kg8) 13. Rxe6 $1 {[%mdl 512] Strongly threatening Ne5.} Rd8 (13... fxe6 14. Ne5) 14. Bxc6+ ({Don't do} 14. Qc2 g5 $18) 14... bxc6 15. Qc2 fxe6 (15... g6 $142 16. bxc3 Bg7) 16. Ne5 {[%cal Rc2g6]} cxb2 17. Qg6# {Precision: White = 57%, Black = 16%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Noe, Christopher"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2494"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,51,37,33,80,102,97,78,120,80,76,84,88,73,76,30,27,0,104,41,38,41,84,80,113,122,165,152,247,239,248,252,247,251,262,261,241,237,429,421,558,553,536,479]} 1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. Nf3 Ne7 5. e4 d5 6. e5 {LiveBook: 12 Games. A40: Unusual replies to 1 d4} f6 (6... Nbc6 7. Be2 h6 8. O-O O-O 9. Re1 b6 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Bd3 {1-0 (60) Onischuk,A (2681)-Ipatov,A (2665) Saint Louis 2018}) 7. exf6 Bxf6 8. Bg5 $146 {White is better.} ({Find the theoretical novelty and annotate with similar games:} 8. h4 Nbc6 9. Bg5 Bg7 10. Qd2 O-O 11. O-O-O Rxf3 12. gxf3 Nxd4 13. cxd5 Nxf3 {1-0 (27) Vaulin,A (2540)-Poley,V (2325) Minsk 2000}) 8... Bg7 9. Qd2 Nbc6 10. O-O-O h6 11. Bf4 g5 12. Be5 (12. Be3 {NOTEXT} Nf5 13. g4 Nxe3 14. fxe3 Rf8 15. Qg2) 12... Nxe5 13. Nxe5 (13. dxe5 {NOTEXT} O-O 14. Kb1 Nc6 15. Qc2 Nxe5 16. Nxe5 Bxe5 17. cxd5 Bxc3 18. Qxc3 Qf6 19. Qxc7 exd5 20. Bd3) 13... dxc4 (13... c5 $1 $11 14. cxd5 O-O) 14. Bxc4 (14. Qc2 $16) 14... Bxe5 $1 $14 15. dxe5 Qxd2+ 16. Rxd2 {Threatens to win with Nb5.} c6 17. h4 $36 {[%mdl 2048] And now hxg5 would win. White is on the roll.} gxh4 18. Rxh4 Nf5 (18... Ng6 $16 19. Rhd4 Rf8) 19. Rg4 $18 h5 20. Rg6 Ne7 21. Rg7 Kf8 22. Rg5 {[#] Black must now prevent Rd8+.} Nd5 23. Rd3 ({Resist} 23. Bxd5 $6 exd5 24. Rd4 Ke7 $16) 23... Bd7 $2 (23... Ke8 24. Ne4 (24. Bxd5 exd5 25. Rf3 Bg4 $16) 24... Kd8) 24. Rf3+ {White is clearly winning.} ({Not} 24. Bxd5 cxd5 25. Ne4 Rc8+ 26. Kd2 Rh7 $18) 24... Ke7 25. Rg7+ Kd8 26. Ne4 {Precision: White = 74%, Black = 44%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Poetsch, Hagen"]
[Black "Banusz, Tamas"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2484"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,2,-36,-41,-36,-37,-39,29,29,37,30,23,19,45,0,18,-18,19,0,41,32,46,11,11,20,55,37,43,16,81,16,35,22,24,-26,-26,-6,9,0,35,20,25,9,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,195,204,358,352]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. f4 Nc6 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} 8. e5 Bb4 9. exf6 Qxf6 10. Be3 {LiveBook: 7 Games} (10. a3 {is more complex.} Ba5 11. Be3 O-O 12. O-O Bxc3 13. bxc3 d6 14. Bd3) (10. a3 Bxc3+ 11. bxc3 d5 12. O-O Bf5 13. Rb1 O-O-O 14. Bd3 Rhe8 15. a4 {0-1 (36) Praggnanandhaa,R (2507)-Lysyj,I (2618) Moscow 2018}) 10... d5 11. O-O Bxc3 $1 12. bxc3 O-O ({Black should try} 12... Bf5 $15) 13. Qf3 $11 Ne7 14. Bd3 Bf5 15. Rae1 Qd6 $146 16. Bd2 Bxd3 17. Qxd3 f5 18. Re5 c6 19. Rfe1 Rf7 20. c4 Ng6 21. Re6 Qd7 22. cxd5 cxd5 23. Qa3 Rff8 (23... Rf6 $11 24. Rxf6 gxf6) 24. Qb3 (24. g3 $16) 24... Rf6 25. Rxf6 gxf6 26. c4 dxc4 27. Qxc4+ Qf7 28. Qb5 Qxa2 29. Qxb7 Rd8 30. Qc7 Rf8 (30... Qd5 $11) 31. Be3 ({Better is} 31. Bb4 $14 Rf7 32. Qd6) 31... Re8 32. Qc6 Re6 33. Qa8+ Kg7 34. d5 $36 {[%mdl 2048] White has some pressure.} Re4 35. g3 Ne7 36. Qb7 {[#] Hoping for d6.} Kg6 37. d6 Nd5 38. Bf2 Rxe1+ 39. Bxe1 {Black must now prevent Qb5.} Ne3 $2 {[#]} (39... Qe2 $11 {and Black stays safe.} 40. Bf2 (40. Qxd5 Qxe1+ 41. Kg2 Qe2+ 42. Kh3 Qh5+ 43. Kg2 Qe2+ 44. Kg1 Qe1+ 45. Kg2 Qe2+ $11) 40... Ne3 41. Bxe3 Qxe3+ 42. Kf1 Qd3+ 43. Kg2 Qe2+ 44. Kh3 Qh5+ 45. Kg2 Qe2+ 46. Kh3 Qh5+ 47. Kg2 Qe2+) 40. Qf3 $18 Nc2 $2 (40... Ng4) 41. Qe2 {Precision: White = 46%, Black = 59%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Kevlishvili, Robby"]
[Black "Savina, Anastasia"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2472"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,133,30,37,9,9,8,10,9,8,10,9,0,10,0,4,0,22,25,30,28,34,9,31,12,44,28,27,27,22,26,42,32,45,0,36,43,114,93,106,94,86,84,83,96,339,306,322,326,327,322,322,291,303,170,176,179,186,179,177,177,230,230,230,230,225,193,218,308,301,218,464,449,524,524,522,433,522,424,518,415,381,0,508,497,1157,1157,924,933,906,818,1430,1430,1386,1339,1445,1417,1246,804,1422,1069,4798,2060,7034,5208,5122,5122,5118,4698,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. O-O O-O 8. Re1 b5 9. Bc2 Bb7 {C84: Closed Ruy Lopez: Unusual White 6th moves} (9... d5 10. Nbd2 d4 11. Nb3 dxc3 12. bxc3 a5 13. a4 b4 14. Bd2 Bg4 15. h3 Bxf3 16. Qxf3 bxc3 17. Bxc3 Bb4 18. Bxb4 Nxb4 {½-½ (30) Anand,V (2776)-Svidler,P (2760) Moscow 2018}) 10. Nbd2 Re8 11. Nf1 Bf8 12. Ng3 g6 13. d4 Bg7 {LiveBook: 12 Games} 14. a4 exd4 15. cxd4 Nb4 16. Bb1 c5 17. Bd2 Nc6 18. d5 Ne5 $146 ({Predecessor:} 18... Na5 19. Bd3 b4 {1-0 (55) Sztokbant,B (2230)-Dias da Silva,A (1995) Sao Paulo 2013}) 19. Nxe5 Rxe5 20. Bd3 c4 21. Bc2 Re8 22. Bc3 Nd7 23. Ne2 Nc5 24. Nd4 Qb6 25. a5 $36 {[%mdl 2048] White fights for an advantage.} Qc7 26. Qd2 Re7 27. Re2 Rae8 {[%cal Rc5e4]} 28. Rae1 Nd7 {[%cal Bc5d7,Bd7e5,Be5d3][%mdl 32]} 29. Re3 Ne5 30. f4 b4 (30... Nd7 $14) 31. Bxb4 $16 Nd3 32. Bxd3 Bxd4 33. Bc2 Bc5 34. Ba4 {Strongly threatening Bxc5.} Rxe4 $2 (34... Rb8 $16 {was necessary.}) 35. Bxc5 Qxc5 36. Bxe8 Rxe8 37. Kh1 Rxe3 38. Rxe3 Bxd5 $18 {[%mdl 4096] Endgame KQR-KQB} 39. f5 (39. Re8+ $142 Kg7 40. h3) 39... Bc6 40. fxg6 hxg6 41. h3 d5 42. Re5 $1 f6 (42... Kg7 $142 43. Qf4 Bd7) 43. Re6 Kf7 {[#]} 44. Re1 $1 d4 45. Qh6 Qh5 46. Qxh5 gxh5 {[#] KR-KB} 47. Kg1 $1 {[%cal Rg1f2]} Ba4 $2 (47... d3) 48. Kf2 Bc2 49. g3 Bf5 50. h4 Bc2 51. Kf3 Bf5 52. Kf4 Bc2 53. Kf3 Bf5 $1 54. Ke2 Be4 (54... Bd7 $142 55. Kd2 Bc6) 55. Rd1 d3+ 56. Ke3 Bd5 {[#]} 57. b3 $1 {[%mdl 512]} cxb3 58. Kxd3 Ke6 59. Kc3 Ke5 60. Rd4 Be6 61. Rb4 Kf5 62. Rb6 Bc8 63. Rxb3 Kg4 64. Kd4 f5 65. Ke5 Bd7 66. Rb7 Bc8 67. Rc7 {Precision: White = 83%, Black = 36%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Nasuta, Grzegorz"]
[Black "Gheng, Josef"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2465"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,107,30,34,42,30,31,19,18,17,27,10,35,28,34,1,10,0,33,-6,0,9,79,20,17,-61,4,-48,-20,-35,394,387,401,394,431,422,422,420,424,418,488,425,459,464,540,544,673,664,828,829,1000,977,977,977,940,836,810,712,766,601,590,597,592,590,619,605,621,602,678,487,468,459,477,460,520,518,535,533,610,575,646,637,782,762,827,825,821,844,880,847,1223,1326,1272,1226,1623,1581,1303,1275]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. Bd2 Qe7 {C45: Scotch Game} (6... a5 7. a3 Bd6 8. Be3 Nf6 9. Nc3 O-O 10. Bb5 Be5 11. Nd4 Ng4 12. Qxg4 Nxd4 13. Bd3 d6 14. Qd1 {1-0 (33) Nepomniachtchi,I (2714)-Mamedyarov,S (2765) Beijing 2014}) 7. Bd3 {LiveBook: 6 Games} Nf6 8. O-O Bxd2 {White has an edge.} 9. N1xd2 $146 ({Predecessor:} 9. Qxd2 d6 10. Nc3 Bg4 11. Rae1 O-O-O 12. f4 h5 13. h3 Bd7 14. Nd5 Qf8 15. c4 Rh6 16. Qf2 Qh8 17. e5 dxe5 18. fxe5 Nh7 19. Bxh7 Qxh7 20. Qxf7 Qd3 21. e6 {1-0 (21) Baklan,V (2607)-Billot,D (2016) Metz 2003}) 9... d6 10. c3 Ne5 11. Bc2 Bg4 12. Qe1 g5 13. Nd4 Rg8 14. Qe3 Bd7 15. Rfe1 Nfg4 16. Qe2 $36 {[%mdl 2048] White has the initiative.} Qf6 (16... O-O-O $11) 17. Nf5 (17. f3 $16 Nh6 18. h3) 17... O-O-O $11 18. Nf1 (18. f3 $11 Nh6 19. Ne3) 18... Rde8 (18... h5 $15) 19. N1g3 (19. f3 $11 Nh6 20. Qf2) 19... h5 20. h3 h4 $2 {[%mdl 8192] [#]} (20... Nh6 $1 $15 {keeps the upper hand.}) 21. Nh5 $18 ({Worse is} 21. hxg4 hxg3 22. fxg3 Kb8 $15) 21... Qh8 22. hxg4 Rg6 23. f3 Kb8 24. Rad1 a6 25. Qf2 Qh7 26. Bb3 {White is clearly winning.} Be6 27. Bd5 Rh8 28. c4 Nd7 29. b4 Qg8 30. Ne7 Qf8 31. Nxg6 fxg6 32. Bxe6 Ne5 33. Bf5 gxh5 34. gxh5 Nxc4 35. f4 gxf4 36. Qxf4 Rxh5 37. Rf1 Qg8 38. Bh3 Rh8 39. Qf7 Ne3 {With the idea ...Qxf7.} 40. Qxg8+ Rxg8 41. Rd3 Nxf1 42. Kxf1 {[%mdl 4096] Endgame KRB-KR} Ka7 43. Bf5 Kb6 44. Rh3 c5 45. bxc5+ Kxc5 46. Rxh4 b5 47. g4 a5 48. Ke2 b4 49. Kd3 a4 50. Rh7 Ra8 51. Rc7+ Kb6 52. Rc1 Rg8 53. Kc4 Ka5 54. Rd1 {Precision: White = 60%, Black = 15%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Hirneise, Tobias"]
[Black "Bindrich, Falko"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2463"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,84,16,0,20,16,24,20,16,0,33,0,0,0,0,0,0,0,0,9,0,-3,48,42,54,14,12,19,6,9,7,18,13,0,0,-4,-11,-2,0,-4,0,-14,0,-27,0,0,0,-113,-101,-102,0,-99,-56,-114,-108,-111,-77,-168,-134,-168,-190,-294,-295,-240,-196,-12828,-12829]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Rc1 b6 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 12. Bd3 Bb7 (12... Ba6 13. Bxa6 Nxa6 14. O-O Qe7 15. Qe2 Qb7 16. Ne5 Rac8 17. h4 Nb8 18. Nc4 Qa6 19. Rc2 {½-½ (61) So,W (2788)-Dominguez Perez,L (2739) Saint Louis 2017}) 13. O-O Nd7 {The position is equal.} 14. Qf4 Rb8 15. e5 h6 16. Be4 $146 (16. Nd2 {looks sharper.} b5 17. Ne4 b4 18. Nd6 Bd5 19. Rc2) ({Predecessor:} 16. a4 Rc8 17. Nd2 Nc5 18. Be2 Nxa4 19. Nc4 {½-½ (41) Bellaiche,A (2463)-Zilberman,Y (2388) Jerusalem 2017}) 16... b5 17. Bxb7 Rxb7 18. Qe4 Qa8 19. d5 Rbb8 20. Qd4 {Threatens to win with dxe6.} exd5 (20... Qxd5 $11 21. Qxd5 exd5) 21. Nh4 $1 $14 {[%cal Rh4f5] Strongly threatening Nf5.} Rbe8 22. Nf5 Rxe5 23. Qg4 {[%csl Gf5][%cal Rg4g7]} g6 $1 24. Nxh6+ Kg7 {aiming for ...Qd8.} 25. Qxd7 Kxh6 26. f4 Qe8 27. Qh3+ Rh5 28. Qa3 {Black must now prevent g4.} d4 {[%cal Bd5d4,Bd4d3][%mdl 32] White should prevent ...b4!} 29. Rce1 $132 {[%mdl 2048] White is not keeping still} Qd8 30. Qxa7 Rd5 31. Rd1 d3 32. f5 g5 33. f6 (33. h4 $11 {keeps the balance.}) 33... Kg6 $17 34. Qe7 Rd4 ({Black should try} 34... Re8 $1 $17 {[%cal Re8e7]} 35. Qxd8 Rexd8) 35. Rd2 (35. Qc5 $1 $11) 35... Qb6 36. Kh1 (36. Qe3 $15) 36... Rfd8 37. Qe5 Qe6 38. Qxb5 {[#]} (38. Qxe6 $17 fxe6 39. Kg1) 38... Rf4 $1 $19 {[%cal Rf4f1]} 39. Qb1 Rxf1+ 40. Qxf1 Qe3 ({Weaker is} 40... Qxf6 41. Qd1 $17) 41. Qd1 Re8 {[%mdl 1024] ( -> ...Qe1+). Black has strong compensation.} ({But not} 41... Kxf6 42. Qc1 $17) 42. h3 $2 {[#]} (42. g3) 42... Qg3 $1 {Precision: White = 37%, Black = 66%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Krause, Benedict"]
[Black "Van Kerkhof, David"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2458"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,67,-2,-34,-32,-29,-43,-33,9,-27,66,25,38,18,75,-14,0,0,13,11,85,0,44,52,54,57,48,51,52,52,52,39,28,0,0,0,0,-413,-431,-420,-408,-408,-370,-29999]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Nc2 Bg7 8. Be2 Nd7 9. Bd2 O-O 10. O-O Nc5 11. b4 Bxc3 {B37: Sicilian: Maroczy Bind with 5...Bg7, sidelines} (11... Ne6 12. Rc1 Ned4 13. Nxd4 Nxd4 14. Be3 e5 15. Nb5 Nxb5 16. cxb5 Be6 17. Bc4 Qd7 18. a4 Bf6 19. Qd3 Be7 20. Bd5 Rfb8 21. a5 Kg7 {½-½ (37) Izoria,Z (2599)-Ramirez Alvarez,A (2568) chess.com INT 2018}) 12. Bxc3 Nxe4 13. Bb2 e5 14. Qe1 {LiveBook: 4 Games} Be6 15. Rd1 Qb6 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Qc7 16. f3 Nf6 17. f4 Nd7 18. Qd2 Nb6 19. Ne3 {½-½ (40) Lauer,M (2299)-Kliche,A (2144) Bayern 2010}) 16. Kh1 Rad8 17. f3 {[%cal Bf2f3,Bf3f4][%mdl 32] [#]} Nc5 $1 {[%mdl 512]} 18. Ba1 {[%mdl 1024] White has compensation.} (18. bxc5 Qxb2) 18... Na4 19. f4 f6 {[#]} (19... a5 $11 {remains equal.}) 20. Bd3 (20. Qg3 $1 $16) 20... a5 {[%cal Rc6b4]} 21. a3 axb4 22. axb4 Rd7 {[#]} (22... Qc7 $11) 23. Qe2 ({White should try} 23. Qg3 $1 $16) 23... Nxb4 (23... Qc7 {NOTEXT} 24. c5 dxc5 25. Bc4 Nd8 26. Bb5 Rxd1 27. Rxd1 Bb3) 24. Rb1 {[#]} Nxd3 $1 {[%mdl 512]} 25. Rxb6 (25. Qxd3 Qc6) 25... Nxb6 26. Qxd3 {Black must now prevent Ne3.} Bxc4 27. Qe3 {Hoping for Rd1.} Bxf1 28. Qxb6 Rc8 29. Ne3 Rc1 $1 30. Bb2 Rb1 31. Kg1 $2 {[%mdl 8192]} (31. h4 $11 {and White stays safe.}) 31... Bb5+ $1 $19 32. Bc1 Rxc1+ 33. Kf2 exf4 34. Nd5 $2 (34. Qxb5 $19 fxe3+ 35. Kxe3 Re7+ 36. Kf3) 34... Rf1# {Precision: White = 48%, Black = 43%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Firat, Burak"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2446"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,98,41,68,62,60,60,79,64,66,60,68,76,56,61,57,61,66,58,72,48,53,38,48,45,42,40,59,27,25,25,31,27,44,37,77,86,77,81,73,69,139,115,112,110,210,218,224,24,25,27,21,33,154,169,232,235,275,285,272,263,237,171,256,254,252,233,258,250,277,273,266,210,199,203,185,161,154,77,211,179,179,168,153,62,32,0,139,0,39]} 1. e4 Nc6 2. d4 d6 3. d5 Nb8 4. c4 g6 5. Nc3 Bg7 6. Be3 {A42: Modern Defence: Averbakh Variation} Nf6 {LiveBook: 5 Games} 7. f3 O-O (7... c6 8. Bd3 Nbd7 9. Nge2 a6 10. O-O O-O 11. Rc1 Ne5 12. b4 Bd7 13. a4 b6 14. dxc6 Bxc6 {0-1 (49) Gyimesi,Z (2591)-Nakamura,H (2710) Mainz 2009}) 8. Qd2 {White is slightly better.} e6 9. Nge2 $146 ({Predecessor:} 9. dxe6 Bxe6 10. Bd3 Nc6 11. Nge2 Ne5 12. b3 c6 13. Rd1 d5 14. cxd5 cxd5 15. Bc2 dxe4 16. Qxd8 Raxd8 17. Rxd8 Rxd8 18. Nxe4 {½-½ (60) Kadar,G (2300)-Berta,K (2225) Hungary 1994}) 9... Nbd7 10. Nd4 exd5 11. cxd5 Ne5 12. Be2 c5 13. dxc6 bxc6 14. O-O Bb7 15. Rfd1 d5 16. exd5 cxd5 17. b3 Rc8 18. Rac1 Re8 19. Bf1 a6 20. Na4 Qd6 21. Ne2 Rxc1 22. Qxc1 d4 23. Nxd4 Nd5 24. Bf2 Rc8 25. Qd2 Qf6 ({Better is} 25... Bf6 $14) 26. Rc1 Rxc1 27. Qxc1 Nf4 (27... Nd7 $16) 28. Nc5 $1 $18 {[%cal Rc5b7]} Bd5 29. Ne4 $2 (29. Nxa6 $6 Ned3) ({Don't go for} 29. Bxa6 $2 Qg5 $19) (29. Be3 $18 Bh6 30. Nxa6) 29... Bxe4 $1 $11 30. Qc8+ Bf8 31. fxe4 Kg7 (31... Nfd3 $14 32. Be3 Qh4) 32. Qxa6 $16 Qg5 (32... Bd6 $142) 33. Kh1 $18 Bc5 34. Nf5+ gxf5 35. Bxc5 fxe4 36. Bd4 Qf5 (36... Ne6 $142 37. Bb2 Qf5) 37. Qa5 f6 38. Bxe5 $1 fxe5 39. Qa7+ Kg6 40. Qb6+ Kg7 41. Qf2 Qd7 42. g3 $1 {[%cal Rg3f4]} Nd3 43. Qe2 Qd4 44. a4 ({White should try} 44. Kg2) 44... Kf6 (44... Nf2+ $16 45. Kg2 Nd1) 45. a5 ({But not} 45. Qh5 $6 Qe3 $16) 45... Qa1 46. Kg2 Ne1+ {[#]} 47. Kf2 (47. Kg1 $1 $16 Nf3+ 48. Kf2 Qxa5 49. Qxe4) 47... Nd3+ $14 48. Kg2 (48. Kg1 $14 Qxa5 49. Qe3) 48... Ne1+ $1 $16 {[#]} 49. Kf2 ({Only move:} 49. Kg1 $1 $16 {Black must now prevent a6.} Nf3+ 50. Kf2) 49... Nd3+ {Precision: White = 70%, Black = 53%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Vrolijk, Liam"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2432"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,53,35,28,25,32,41,37,43,50,56,9,54,35,35,34,35,35,35,35,35,35,35,35,35,35,35,35,35,0,0,-1]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 h6 8. Bxf6 Qxf6 9. O-O {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} cxd4 10. Nb5 Qe7 11. Qxd4 O-O 12. Nxa7 Bc5 13. Nxc8 {LiveBook: 9 Games} Rxc8 14. Qd3 Nc6 15. Qe2 Nd4 16. Nxd4 Bxd4 {[#]} 17. Rad1 $146 Qf6 (17... Bxb2 $5 18. Bxe6 Qxe6 19. Qxb2 Qxe4 $11) 18. Kh1 Bxb2 19. f4 Qc3 20. Bb3 {[#] Black must now prevent Rf3.} Rd8 21. f5 Rxd1 22. Qxd1 Qc6 23. fxe6 fxe6 24. Qe2 Be5 25. Qg4 Re8 26. Qh5 Rf8 27. Rxf8+ 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Chernov, Vadim"]
[Black "Moussard, Jules"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2407"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,172,47,50,64,59,70,41,61,52,63,54,50,61,54,53,59,54,63,45,58,52,58,16,52,17,21,0,0,0,38,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-18,0,0,33,0,0,0,0,0,0,0,30,0,0,0,15,14,39,23,28,0,0,0,0,0,0,0,0,0,0,0,0,0,22,8,8,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,8,0,0,0,0,-8,-8,-8,-8,-31,-8,-8,-8,-27,-27,-27,-27,-27,-8,-27,-27,-31,-31,-152,-152,-346,-331,-306,-30,-46,-46,-46,-18,-29973,-29976,-29978,-29979,-29980,-29978,-29978,-29977,-29977,-29977,-29987,-29988]} 1. e4 e5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3,Bb3a5,Ba5c4][%mdl 32]} Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bd6 10. Na5 {LiveBook: 40 Games} Bg4 {C69: Ruy Lopez: Exchange Variation with 5 0-0 f6} (10... b5 11. c4 Ne7 12. Nc3 Rb8 13. Be3 Be6 14. Rac1 Kf7 15. b3 Rhd8 16. Nd5 Rd7 17. f4 Rbd8 18. Nb7 Rb8 19. Nxc5 Bxc5 20. Bxc5 Nxd5 21. cxd5 {1-0 (58) Guseinov,G (2634)-Bachmann,A (2593) Berlin 2015}) 11. f3 Bc8 12. Nc4 $146 {Threatens to win with Nc3.} ({Predecessor:} 12. Nc3 Ne7 13. Nc4 Be5 14. Nxe5 fxe5 15. Bg5 Be6 16. Bxe7 Kxe7 17. Nd5+ Bxd5 18. Rxd5 {½-½ (59) Perez Perez,F-Castagna,R Beverwijk 1962}) 12... Be7 {White is slightly better.} 13. Bf4 Be6 14. Ne3 Bd8 15. Nc3 Ne7 16. Rd2 (16. a4 {is more complex.} O-O 17. g4 Nc6 18. Bg3 h5 19. h3) 16... O-O 17. g4 Nc6 18. Rad1 Re8 19. Kg2 Rc8 20. Ncd5 Nb4 21. a3 Nxd5 22. Nxd5 c6 23. Nc3 b5 24. Bd6 Bb6 25. Ne2 Red8 26. Bg3 Rxd2 27. Rxd2 Rd8 28. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBB-KBN} 29. Bd6 c4 30. Bc5 Bc7 31. h4 Kf7 32. Kf2 Bd7 33. h5 g6 34. hxg6+ hxg6 35. Ke3 Be5 36. c3 Bh2 37. Nd4 Bg1+ 38. Kd2 Bc8 39. Bd6 Bd7 40. Bc5 Kg8 41. Bd6 Kg7 42. Bf4 Bf2 43. Bd6 Kf7 44. Ke2 Bh4 45. Ke3 Bg5+ 46. Bf4 Bh4 47. Ne2 f5 48. exf5 gxf5 49. gxf5 Bxf5 50. Nd4 Bd7 51. Bd6 Bd8 52. Ke4 Bf6 53. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} Kg6 54. f5+ Kg5 55. Bf4+ Kg4 56. Ne6 c5 57. Nxc5 Bxf5+ 58. Ke3 Bd8 59. Bh6 Kh5 60. Bf4 Bb6 61. Kd4 Kg4 62. Bd6 Kf3 63. Kd5 Bc8 64. Kc6 Bd8 65. b3 cxb3 66. Nxb3 Ke3 67. Be5 Kd3 68. Nc5+ Kc4 69. a4 bxa4 70. Nxa4 Bh3 71. Nb6+ Kb3 72. c4 Bg2+ 73. Kc5 Bh4 74. Kd6 Bf2 75. c5 Kb4 76. Nd5+ (76. Nd7 $15) 76... Kc4 $1 $17 77. Nb6+ $2 (77. Nc3 $17 {was the only defense.}) 77... Kb5 $19 78. Nd7 Bc6 $2 (78... a5 $19 {Strongly threatening ...Bc6.} 79. Kc7 Bh1) 79. Bc3 Bxd7 80. Kxd7 Bxc5 $15 {KB-KB} 81. Ke6 $2 {[%mdl 8192] [#]} (81. Kc7 $11) 81... Bb4 $1 {Black mates.} 82. Bb2 Kc4 83. Kf5 Kd5 84. Kf4 a5 85. Ke3 {[#]} Kc4 $1 {[%cal Rc4b3]} 86. Ba1 Bc3 {Precision: White = 40%, Black = 54%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Engel, Luis"]
[Black "Kuljasevic, Davorin"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2406"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,44,0,2,0,0,-6,0,0,0,0,0,0,0,0,10,0,8,6,8,9,16,14,15]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. O-O h6 8. Bb3 a6 9. Re1 Be6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 10. Nf1 (10. Bxe6 fxe6 11. Nf1 Qd7 12. b4 Ba7 13. Be3 Bxe3 14. Rxe3 Ne7 15. a4 Kh8 16. Re1 Rf7 17. N1d2 {½-½ (28) Huschenbeth,N (2596)-Bacrot,E (2723) Germany 2018}) 10... Bxb3 11. Qxb3 Re8 12. h3 d5 {LiveBook: 4 Games. The position is equal.} 13. Ng3 Qd7 14. Bd2 Bb6 15. Rad1 Rad8 $146 16. Bc1 Qe6 17. a4 Rd7 18. exd5 Qxd5 19. Qxd5 Rxd5 20. Ne4 Nxe4 21. dxe4 Rxd1 22. Rxd1 f6 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Menezes, Christoph"]
[Black "Bacrot, Etienne"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2404"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,-4,-3,-68,-64,-59,-61,-75,-71,-57,-37,-60,-26,-44,-27,-43,0,-7,0,-38,-10,-25,-25,-44,-16,-29,-29,-30,-30,-30,-30,-26,-27,-26,-30,-28,-23,-28,-32,-31,-32,-106,-99,-157,-150,-131,-61,-122,-48,-239,-247,-224,-238,-369,-369,-388,-238,-238,-231]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 O-O 6. Nbd2 c5 7. c3 Qc7 8. Bd3 Nbd7 9. e4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} ({Better is} 9. Bxd6 $11 Qxd6 10. O-O) 9... cxd4 $1 $15 10. cxd4 dxe4 11. Bxe4 $146 {Black is slightly better.} ({Predecessor:} 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bd3 Qa5+ 14. Ke2 Rd8 15. Bh4 Bd7 16. Bxf6 gxf6 {0-1 (38) So,W (2815)-Carlsen,M (2832) chess.com INT 2017}) 11... Nxe4 12. Nxe4 Bb4+ 13. Ned2 {[%cal Be4d2,Bd2c4,Bc4e3][%mdl 32]} Qa5 14. O-O Nf6 15. Nc4 Qd5 (15... Qa6 $5 {[%cal Ra6c4]} 16. Nfe5 b5 $11) 16. Ne3 Qa5 17. Nc4 Qd8 (17... Qa6 $5 {[%cal Ra6c4]} 18. Nfe5 b5 $11) 18. Qb3 Be7 19. Rac1 b6 20. Nce5 Bb7 21. Nc6 Bxc6 $1 22. Rxc6 Rc8 23. Rfc1 Rxc6 24. Rxc6 Nd5 25. a3 Qa8 $36 {[%mdl 2048] Black is pushing.} 26. Qc2 h6 27. h3 Rd8 28. Qc1 {[#]} (28. Ne5 $15) 28... Bc5 $1 $17 {[%mdl 512]} 29. Rxc5 (29. Bh4 $142 Rf8 30. Rxc5 bxc5 31. dxc5) (29. dxc5 Qxc6) 29... bxc5 30. dxc5 a5 (30... Ne7 $17 31. Bd6 Nf5) 31. b3 {[#]} ({White should play} 31. Bd6 $15) 31... Qa6 (31... Ne7 $1 $17 {aiming for ...Qd5.} 32. Bd6 Nf5) 32. Qc2 $2 {[#]} ({White should try} 32. c6 $15) 32... Ne7 $1 $19 33. Bd6 Nf5 34. Bf4 (34. Bc7 $142 Qd3 35. Qxd3 Rxd3 36. Bxa5) 34... Qd3 35. Qb2 {If White can now play c6 this consolidates a bit.} a4 36. bxa4 Qc4 {Precision: White = 34%, Black = 48%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Tomczak, Mikolaj"]
[Black "Kasimdzhanov, Rustam"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2394"]
[BlackElo "2676"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,58,11,13,6,14,6,7,0,0,0,0,0,7,-6,7,0,0,-9,-8,-15,-14,-11,0,-20,-20,-15,-15,-22,-20,-27,0,0,0,0,11,16,10,10,24,21,26]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 h6 (8... Bd6 9. Bf4 Qe7 10. O-O O-O 11. h3 Rfe8 12. Qc2 {½-½ (12) Aronian,L (2805)-Carlsen,M (2837) Riadh 2017}) 9. Bh4 Bd6 10. O-O O-O {LiveBook: 9 Games} 11. Qc2 Re8 12. Rac1 c6 13. Bg3 $146 ({Predecessor:} 13. a3 Qb8 {½-½ (24) Bu,X (2705)-Riazantsev,A (2671) Doha 2016}) 13... Bxg3 14. hxg3 Bg4 15. Na4 a5 16. a3 Qe7 17. Nc5 (17. Nd2 {looks sharper.} Rac8 18. Nb3 b6 19. Ba6 Rc7 20. Nc3) 17... Nxc5 18. Qxc5 Qxc5 19. Rxc5 a4 20. Nd2 Re7 21. Nb1 Ne8 22. Rcc1 Nd6 23. Nc3 Bf5 24. Be2 g6 25. g4 Be6 26. Rfe1 Nc8 27. f3 Kg7 28. Kf2 f6 29. Bd3 Bf7 {Precision: White = 55%, Black = 50%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Horton, Andrew P"]
[Black "Kanarek, Marcel"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2393"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,109,45,45,98,22,75,79,87,85,86,84,97,58,70,43,52,39,75,61,68,64,97,0,0,0,0,0,0,0,0,0,0,0,0,-68,0,-39,-39,-41,0,-17,-10,-10,-10,-35,-35,-56,0,-34,-43,-34,-35,-39,-40,-41,0,-55,0,0,0,0,0,0,0,-8,0,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c5 7. d4 Nc6 8. d5 Na5 9. Nd2 a6 10. Rb1 Rb8 11. b3 b5 12. Bb2 bxc4 13. bxc4 e5 14. Qc2 {LiveBook: 11 Games} Nh5 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} (14... Bd7 $14) (14... Bh6 15. e3 Bf5 16. Nce4 Nxe4 17. Bxe4 Bd7 18. Bc3 Qc7 19. Rb2 f5 20. Bg2 Rxb2 21. Qxb2 Bg5 22. f4 exf4 23. exf4 {1-0 (45) Hefka,V (2574)-Toro Solis de Ovando,G (2636) ICCF corr 2003}) 15. Nd1 $146 (15. Na4 $16) ({Find the theoretical novelty and annotate with similar games:} 15. e3 g5 16. Ne2 g4 17. Bc3 Rxb1 18. Rxb1 f5 19. Qa4 Nb7 20. f4 exf4 21. Bxg7 Kxg7 22. Nxf4 Nxf4 23. exf4 {½-½ (31) Sochor,S (2056)-Tejkal,J (2053) Znojmo 2002}) 15... Bf5 {[#]} (15... f5 $11 {remains equal.}) 16. e4 $1 $16 {[%cal Re4f5]} Bd7 {White is better.} 17. Bc3 Rxb1 18. Qxb1 Bh6 19. Nb2 f5 20. Bh3 Nb7 21. exf5 $1 Bxf5 22. Bxf5 gxf5 23. Nd3 Rf7 24. f4 (24. Qd1 $16 Nf6 25. Re1) 24... exf4 $1 $11 25. Nxf4 Bxf4 26. gxf4 Nxf4 {( -> ...Qg5+)} 27. Kh1 $1 Ne2 $1 {[%cal Re2c3]} ({Wrong is} 27... Qg5 $2 28. Rg1 $18) 28. Ba1 {Nf3 is the strong threat.} Qh4 {Strongly threatening ...Ng3+.} 29. Qd3 Nd4 30. Qe3 ({Better is} 30. Bxd4 $11 Qxd4 31. Qe2) 30... Kf8 (30... Re7 $15 31. Qg1+ Qg4) 31. Bxd4 cxd4 32. Qe6 Qf6 (32... Qe7 {NOTEXT} 33. Nb3 d3 34. Rf3 Qxe6 35. dxe6 Rf6) 33. Qc8+ (33. Nb3 {NOTEXT} Nc5 34. Qxf6 Rxf6 35. Nxd4 Nd3 36. Rxf5 Kf7 37. Rxf6+ Kxf6 38. Nb3) 33... Qd8 34. Qxd8+ Nxd8 {[%mdl 4096] Endgame KRN-KRN} 35. Nf3 d3 36. Nd4 f4 ({Black should try} 36... Nb7 $15) 37. Rd1 Rc7 38. Rxd3 Rxc4 39. Nf5 Nf7 40. Rb3 Ke8 41. Kg2 (41. Rb7 $11 Rc1+ 42. Kg2) 41... Rc2+ (41... Kd8 $1 $15) 42. Kf3 {The position is equal.} Rxh2 43. Rb8+ Nd8 44. Ra8 Rxa2 45. Ra7 Rd2 46. Nxd6+ Kf8 47. Rxa6 (47. Ra8 {NOTEXT} Rxd5 48. Nb7 Ke7 49. Nxd8 Rxd8 50. Rxa6 h5 51. Kxf4 Rd6 52. Ra8) 47... Rxd5 48. Kxf4 Ne6+ 49. Ke4 Nc5+ (49... Rd1 {NOTEXT} 50. Ke5 Nc7 51. Rc6 Re1+ 52. Kf5 Ne6) 50. Kxd5 Nxa6 51. Ke6 Kg7 52. Kf5 Nc5 53. Ne8+ Kf7 54. Nf6 $1 {[#]} h5 $1 {[%mdl 512]} 55. Nxh5 {Precision: White = 50%, Black = 52%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Meinhardt, Maximilian"]
[Black "Lobron, Eric"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2387"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,80,-27,-31,0,-5,-7,-95,-95,-100,-84,-121,-112,-122,-97,-110,-48,-61,-66,-60,-47,-78,-78,-70,-69,-155,-135,-226,-238,-225,-104,-177,-82,-167,-143,-157,-88,-74,-85,-156,-151,-131,-95,-202,-21,-108,-110,-668,-668,-668,-668,-668,-668,-668,-668,-668,-654,-747,-723,-1043,-1033,-1366,-837,-876,-851,-866,-820,-802,-770,-1679,-1653,-1620,-1369]} 1. e4 c6 2. Nc3 d5 3. Qe2 d4 4. Nd1 e5 5. g3 c5 6. d3 {LiveBook: 15 Games. B11: Caro-Kann: Two Knights Variation} h5 $146 {[%cal Bh7h5,Bh5h4][%mdl 32]} ({Predecessor:} 6... Bd6 7. Bg2 Nc6 8. f4 exf4 9. gxf4 Qc7 10. e5 Be7 {0-1 (78) Petenyi,T (2459)-Wojtaszek,R (2736) Bilbao 2014}) 7. f4 h4 8. g4 (8. Bg2 $11 {remains equal.}) 8... exf4 $17 9. Bxf4 Ne7 10. h3 Ng6 11. Bh2 Nc6 12. e5 Be7 (12... Qa5+ $17 13. c3 c4 $1 {[%mdl 512]} 14. dxc4 dxc3 15. Nxc3 Bb4) 13. Bg2 $15 Qa5+ 14. c3 O-O 15. Nf3 Bd7 16. O-O Rae8 17. Nd2 (17. Qd2 $15) 17... Qa6 18. Rf5 (18. Qe4 $17 {might work better.}) 18... Bd6 $19 19. Ne4 Ncxe5 (19... Bxe5 $19 {and Black stays clearly on top.} 20. Rf1 Bxh2+ 21. Kxh2 Nce5) 20. c4 (20. Ndf2 $17 {is a better defense.}) 20... b5 (20... Bc7 $19 {has better winning chances.} 21. Rh5 b6) 21. b3 (21. cxb5 $17 Bxb5 22. Nxd6 Qxd6 23. Nf2) 21... bxc4 22. bxc4 f6 (22... Bc7 $142 23. Rh5 Qb6) 23. Nxd6 $17 Qxd6 24. Nf2 {[#]} Qb6 $1 25. Ne4 Nf7 $36 {[%mdl 2048] Black is in control.} 26. Qf2 (26. Rff1 $17) 26... Ng5 $2 ({Better is} 26... Bxf5 $19 27. gxf5 Nge5) 27. Nxc5 (27. Nxg5 $11 fxg5 28. Bd5+ Be6 29. Qg2) 27... Bc6 28. Qxd4 $2 {[%mdl 8192]} (28. Ne4 $17 Nxe4 29. dxe4) 28... Bxg2 $19 {Black is clearly winning.} 29. Kxg2 Re2+ 30. Rf2 {[#]} Rd8 $1 {[%cal Rd8d4]} 31. Qxd8+ Qxd8 32. Rxe2 Qd4 $1 {[%csl LRa1,LRc5]} 33. Nb3 Qxd3 {( -> ...Qf3+)} 34. Rf2 Qxh3+ 35. Kh1 Qxg4 {Strongly threatening ...Qe4+.} 36. Nd2 Qd7 37. Raf1 Qc6+ 38. Nf3 Ne7 39. c5 Nf5 40. Bf4 Nh3 {Precision: White = 24%, Black = 58%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Pfreundt, Jakob"]
[Black "Danin, Alexandre"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2385"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,43,-21,-7,-35,-27,-28,-37,-28,-31,-56,-20,-24,-14,-11,0,0,-4,-12,-12,-37,0,-25,0,-23,0,-20]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. Nc3 O-O 7. cxd5 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 8. Be2 {C01: French: Exchange Variation} (8. Bg5 h6 9. Bh4 Nb6 10. Ne5 Be7 11. Bd3 Nfxd5 12. Bxe7 Nxe7 13. O-O Bf5 14. Bxf5 Nxf5 15. Qf3 Nd6 {½-½ (43) Nisipeanu,L (2682)-Ragger,M (2666) Graz 2018}) 8... h6 9. O-O Nb6 10. Ne5 Nbxd5 {LiveBook: 10 Games} 11. Bf3 Be6 12. Re1 c6 13. Bd2 $146 ({Predecessor:} 13. Na4 Qc7 14. g3 Rad8 15. Nc5 Bf5 {0-1 (64) Cizek,A (2309)-Petr,M (2468) Czechia 2011}) 13... Re8 14. Rc1 Rc8 15. Na4 Qc7 16. Nc5 Re7 17. b4 Bf5 18. Qb3 Rce8 {[%cal Rd6e5]} 19. Qb2 Bc8 {[%cal Rd6e5]} (19... b6 $5 {[%cal Rb6c5]} 20. Na6 Qc8 $15) 20. Ncd3 Bf5 21. Nc5 Bc8 {[%cal Rd6e5]} 22. Ncd3 {Precision: White = 52%, Black = 42%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Ondersteijn, Niels"]
[Black "Korpa, Bence"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2376"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,90,-18,-8,-8,-17,-24,-20,-22,-10,-10,-7,-40,-40,-64,-55,-64,-70,-70,-70,-70,-62,-63,-51,-59,-61,-62,-65,-129,-29,-127,-75,-77,-71,-195,-151,-176,-90,-112,-78,-183,-181,-178,-87,-87,-87,-88,-87,-87,-91,-93,-113,-100,-43,-44,-16,-19,-19,-18,-18,-26,0,0,0,0,0,-16,278,248,454,0,0]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e4 e6 6. d3 Nge7 7. Be3 d6 8. Nge2 Nd4 9. Rb1 O-O 10. O-O b6 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} 11. f4 (11. Qd2 Nec6 12. Bh6 Bd7 13. Bxg7 Kxg7 14. f4 Rb8 15. Nxd4 Nxd4 16. b4 f5 17. Ne2 Qf6 18. a3 Nxe2+ 19. Qxe2 Qd4+ 20. Qf2 Qxf2+ {½-½ (20) Dominguez Perez,L (2732)-Vallejo Pons,F (2684) Berlin 2015}) 11... Bb7 {LiveBook: 3 Games} 12. Bf2 Qd7 13. a3 Rad8 14. b4 Ba8 (14... f5 {is more complex.} 15. Qd2 Nec6 16. Be3 Rf7 17. Rf2 Qe7) 15. Qd2 f5 16. Nxd4 cxd4 17. Ne2 e5 18. h3 $146 ({Predecessor:} 18. Qc2 fxe4 19. dxe4 Rc8 20. Qb3 Kh8 21. Rbc1 {0-1 (40) Zoldan,M (2099)-Scavo,F (2301) Bratto 1999}) 18... Kh8 19. exf5 Bxg2 (19... Qxf5 20. g4 $11) (19... Nxf5 20. Bxa8 Rxa8 21. g4 $11) 20. Kxg2 gxf5 ({Much worse is} 20... Nxf5 21. g4 $11) 21. Kh2 Ng6 22. Rbc1 Rc8 23. Rc2 Rg8 24. Rfc1 (24. a4 $15) 24... Bf8 (24... Qb7 $17 25. Rf1 Bf6) 25. Ng1 (25. Qd1 $11) 25... Qb7 (25... Bh6 $142 {Hoping for ...Qg7.} 26. Ne2 Qb7 27. Bxd4 exd4 28. Nxd4 Qd7) 26. fxe5 $17 dxe5 27. c5 (27. Qe2 $17) 27... bxc5 $19 28. bxc5 Qc6 (28... Qd5 $19 29. Qd1 Bh6) 29. Qe2 $17 Bh6 30. Nf3 (30. Rb1 $17) 30... Bxc1 $19 31. Nxe5 Qd5 (31... Rge8 $1 $19 {is more deadly.} 32. Nxc6 Rxe2 33. Rxe2 Rxc6 34. Bxd4+ Kg8) 32. Nxg6+ $17 hxg6 33. Rxc1 Rge8 $1 {[%cal Re8e2]} ({Of course not} 33... Rxc5 $6 34. Qe7 $1 $11 {[%mdl 512]}) 34. Qb2 {[#]} Kg8 $1 35. Qxd4 Qxd4 36. Bxd4 {[%mdl 4096] Endgame KRR-KRB} Red8 (36... Re2+ $17 37. Kh1 Kf7) 37. Rc4 $15 Rc6 {[%mdl 1024] Black has compensation.} 38. Kg2 Kf7 39. Kf3 Ke6 40. h4 Rc7 41. Kf4 Rcd7 42. Be5 {Threatens to win with d4.} Rxd3 43. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Rxa3 $2 {[%mdl 8192]} (43... R3d5 $11 {and Black stays safe.} 44. c7 Rc8 45. Rc6+ Kd7 46. Rxg6 Re8) 44. c7 $18 Rg8 $2 {[#]} (44... Re8) 45. Bb2 $2 ({Only move:} 45. Rd4 $1 $18 {[%cal Rd4d8]} Rc3 46. Rd8 (46. Rd6+ Ke7 $18) 46... g5+ 47. hxg5 Rc4+ 48. Bd4) 45... Rb3 {Precision: White = 45%, Black = 51%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Lagunow, Raphael"]
[Black "Basso, Pier Luigi"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2368"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,136,0,8,-31,-25,-25,-27,-27,-14,-80,-46,-56,-56,-48,-54,-58,-43,-41,-43,-39,-40,-63,-60,-87,-58,-97,-18,-25,0,-43,0,-37,-43,-160,-130,-127,-127,-127,-124,-118,-124,-96,-79,-84,-79,-87,-62,-77,-74,-83,-58,-59,-59,-80,-27,-30,-14,-14,-14,-18,-18,-18,-16,-18,-18,-26,-15,-27,-27,-27,-27,-27,-27,-35,-37,-38,-35,-53,-54,-61,-61,-136,-136,-173,-173,-166,-166,-166,-166,-481,-472,-472,-472,-29970,-29975,-29974,-29975,-29975,-29976,-29977,-29975,-29975,-29974,-29974,0,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29985,-29986]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d5 7. exd5 Nxd5 8. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Nb6 9. Bb5 Bd6 10. Ne4 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32] LiveBook: 7 Games} 11. d4 $146 ({Predecessor:} 11. h3 Bh5 12. Ng3 Bg6 13. Re1 Re8 14. Bg5 f6 15. Bd2 a6 16. Bxc6 bxc6 {½-½ (41) Vallejo Pons,F (2705)-Ragger,M (2672) Warsaw 2013}) 11... exd4 12. Bxc6 bxc6 13. cxd4 Re8 14. Nc3 (14. Re1 $11 {keeps the balance.}) 14... a5 15. h3 Bh5 16. g4 Bg6 17. Ne5 Qh4 18. Qf3 Bxe5 19. dxe5 Nc4 20. Bf4 Nxb2 21. Kg2 Qd8 22. Qxc6 Qd4 (22... Rb8 $17 {Black wants to play ...Rb6.} 23. Kh2 Nd3) 23. Bg3 $11 h5 24. Kh2 Bd3 25. Rg1 hxg4 {Threatens to win with ...Rab8.} 26. Nb5 (26. Rae1 $15) 26... Qa4 27. e6 Qxb5 28. Qxb5 Bxb5 29. Rab1 Rxe6 {aiming for ...Re2.} 30. Rxb2 c6 {Hoping for ...Rh6.} 31. hxg4 Bc4 32. Bf4 a4 33. Rgb1 Kh7 34. Kg3 Kg6 35. Rd2 Bd5 36. Be3 f5 (36... Re4 $17 37. Bc5 Rc4) 37. Rb4 fxg4 38. Rxg4+ Kf7 39. Rdd4 a3 40. Ra4 Ree8 41. Bc5 Bxa2 42. Bxa3 Bb1 43. Rxa8 Rxa8 {[%mdl 4096] Endgame KRB-KRB} 44. Bb2 g6 45. Rc4 Ra6 46. Rc5 Ke6 47. Be5 Bf5 48. f4 Be4 49. Kf2 Bd5 {Strongly threatening ...g5!} 50. Ke3 {[#]} (50. Rc2 $15) 50... g5 $1 $17 {[%cal Bg6g5,Bg5f4,Bf4f3][%mdl 544]} 51. Rc3 (51. fxg5 Kxe5) 51... Ra4 52. Bc7 gxf4+ 53. Kd2 Kf5 54. Rh3 $2 (54. Bb6) 54... Ra2+ $19 55. Ke1 f3 {( -> ...f2+)} 56. Rh2 (56. Rh4 $19 c5 57. Rh5+ Ke4 58. Rh2) 56... Rxh2 57. Bxh2 {KB-KB} c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 58. Bd6 c4 59. Bb4 Ke4 60. Kd2 Be6 61. Bc5 Bd5 $2 (61... Kf5 {mates} 62. Bd6 {[#]} c3+ $1 {[%mdl 512]} 63. Ke3 c2 64. Ba3 Kg4 65. Kf2 Kf4 66. Bc1+ Ke4 67. Ke1 Bd5 68. Kd2 Kd4 69. Ke1 Kc4 70. Kd2 Kb3 71. Ke3 Ka2 72. Bd2 Kb2 73. Kd3 c1=Q 74. Bxc1+ Kxc1 75. Kd4 Ba8 76. Ke3 Kc2 77. Kf2 Kd2 78. Kg3 Ke3 79. Kg4 f2 80. Kf5 f1=Q+ 81. Ke6 Kd4 82. Kd6 Qf6+ 83. Kd7 Kd5 84. Kc7 Qd6+ 85. Kc8 Qe7 86. Kb8 Qb7#) 62. Bf2 $2 {[%mdl 8192]} (62. Bb4 $11 Kf4 63. Bd6+ Kg4 64. Ke3) 62... Kf4 {Black mates.} 63. Be1 Bg8 64. Bf2 Bf7 65. Be1 Bd5 66. Bf2 Kg4 67. Ke3 Kh3 68. Kd4 Kg2 {Precision: White = 42%, Black = 63%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Zeller, Frank"]
[Black "Fedorovsky, Michael"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2368"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,124,15,0,59,43,52,35,95,93,77,39,68,64,75,59,64,83,83,90,95,95,84,87,92,87,139,158,143,121,200,116,106,113,102,92,112,107,127,145,143,119,114,116,122,102,102,109,125,29,32,12,30,10,2,0,6,-15,-11,-39,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-10,-111,-111,-111,-111,-223,-222,-329,-305,-316,-264,-243,-183,-191,-160,-159,-159,-208,-122,-241,-236,-314,-270,-506,-523,-514,-499,-608,-418,-545,-246]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. O-O O-O 8. Re1 Nc6 9. Nb3 Be6 10. Nd5 Rc8 11. Bf1 Ne5 12. c3 {LiveBook: 9 Games. B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} Bxd5 (12... Re8 $11) (12... Nxd5 13. exd5 Bg4 14. Be2 Bxe2 15. Rxe2 Qd7 16. h3 Nc4 17. Bg5 Rfe8 18. Qd3 h6 19. Bf4 Qa4 {0-1 (33) Licznerski,L (2267)-Plat,V (2567) Katowice 2017}) 13. exd5 $14 Nc4 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] White is slightly better.} Nb6 {[#]} (14... Qd7 $14) 15. g4 $1 $16 h6 $146 ({Predecessor:} 15... a5 16. Bg2 Nc4 17. Nd4 Nb6 18. Nb5 Rc5 19. Be3 Rxd5 20. Bxd5 Nbxd5 {½-½ (55) Arribas Lopez,A (2442)-Espinosa Aranda,A (2397) Linares 2010}) 16. Bg2 Re8 17. a5 Nc4 18. h3 Qc7 19. Ra4 b5 20. axb6 $1 Nxb6 21. Ra1 Nc4 22. Nd4 {[%cal Bb3d4,Bd4c2,Bc2b4][%mdl 32]} Nb6 23. Nc2 Qc4 (23... Qc5 $142) 24. Nb4 ({Don't take} 24. Rxa7 Nbxd5 25. Qd4 Qb3 $14) 24... Qc7 25. Qd3 Qb7 (25... Nbd7 $16 {is a better defense.} 26. Nc6 Ne5) 26. Qa6 ({White should play} 26. Nc6 $18 Nfxd5 27. Na5 (27. Bxd5 Nxd5 28. Qxd5 Rxc6 $11) (27. Nxa7 Ra8 $14)) 26... Qxa6 27. Rxa6 Rc7 28. Rd1 Rec8 29. Bf1 Kf8 30. Ra2 h5 31. f3 hxg4 32. hxg4 Nfd7 33. Ba6 Ra8 34. Be3 Nc5 {[#]} 35. Kf2 (35. Bb5 $1 $16) 35... Nxa6 $11 36. Rxa6 Nc4 37. Bc1 Rb8 38. Ra2 Rb5 39. Ra6 Rb6 40. Rxb6 axb6 (40... Nxb6 {with more complications.} 41. Ke2 a5 42. Nc6 a4 43. Be3 Nc4) 41. f4 Ra7 42. Ke2 Ra1 43. Nd3 b5 44. f5 gxf5 45. gxf5 Ke8 46. Rg1 Kf8 47. f6 exf6 48. Nf4 (48. Rh1 $11 {remains equal.}) 48... Bh6 $17 49. Nd3 Bxc1 50. Nxc1 (50. Rxc1 $17 Rxc1 51. Nxc1) 50... Nxb2 {[%mdl 4096] Endgame KRN-KRN} 51. Kd2 (51. Ke3 {keeps fighting.}) 51... Nc4+ $19 52. Kc2 Ne3+ 53. Kb2 Ra6 54. Ne2 Nxd5 55. Nd4 b4 56. c4 Nf4 ({Black should try} 56... Ne3 $19 {aiming for ...Ra3.} 57. Rc1 f5) 57. Rd1 (57. Kb3 $17) 57... Ra3 58. Nb3 Ke7 59. Rd4 $2 (59. c5 {was worth a try.}) 59... Ne6 60. Rd5 {[#]} f5 $1 61. Nc1 (61. Rxf5 Rxb3+) 61... Rc3 62. Nd3 Ke8 {[%mdl 32768] Precision: White = 41%, Black = 59%. . Sensor Board Error (Ke4/e5)?} (62... Nc5 $142 63. Nxc5 dxc5 64. Rxc5 f4) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Baenziger, Fabian"]
[Black "Milov, Leonid"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2365"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,101,19,22,14,15,13,23,16,57,26,54,41,53,43,49,0,31,31,29,25,27,31,37,30,34,36,147,132,183,31,38,39,108,113,127,86,102,95,147,134,139,133,148,135,140,154,223,164,467,464,935,941,903,896,810,847,2183,2012,1889,2045,1652,1470,5085,5097,2540,702,29969,29968,29971,29970,29968,29971,29979,29980,29980,29981,29979,29979,29979,29980,29980,29981,29981,29981]} 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 Qa5 9. Qc2 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} (9. Bb2 e5 10. Qd2 Qc7 11. d5 e4 12. Nd4 Qe7 13. dxc6 bxc6 14. Rad1 Rd8 15. Nc2 d5 16. f3 Rd7 17. cxd5 cxd5 18. Nb5 Nc6 {0-1 (37) Gelfand,B (2773)-Giri,A (2734) Beijing 2013}) 9... e5 10. dxe5 dxe5 {LiveBook: 3 Games} 11. e4 {The position is equal.} Na6 12. a3 f4 13. Bb2 Nh5 14. Rad1 Qc7 $146 ({Predecessor:} 14... Bg4 15. b4 Qc7 16. Rd3 Rad8 {1-0 (73) Sebih,K (2260)-Yilmaz,T (2370) Novi Sad 1990}) 15. b4 Qe7 16. c5 Nc7 17. Qd2 Bf6 18. Ne2 $36 {[%mdl 2048] White has some pressure.} g5 19. h3 {And now g4 would win.} g4 20. hxg4 Bxg4 21. Nh2 $1 {[%cal Rh2g4]} Rad8 22. Qc2 Bxe2 (22... Bd7 $14) 23. Qxe2 $16 fxg3 (23... Ng7 $16 24. Ng4 h5) 24. Qxh5 $2 ({White should play} 24. fxg3 $18 Rxd1 25. Qxd1) 24... gxh2+ $14 25. Kxh2 Bg7 ({Black should try} 25... Rxd1 $14 26. Rxd1 Bg7) 26. Rxd8 $16 Rxd8 27. Bh3 $1 Qf7 28. Qg5 Qf6 {[#]} ({Better is} 28... Re8) 29. Rg1 $1 {White wants to mate with Qxf6.} Qxg5 30. Rxg5 Re8 31. f4 {[%cal Rb2e5]} Kh8 32. Kg2 Re7 (32... Ne6 $16) 33. Kf3 ({Resist} 33. fxe5 $6 Ne6) 33... Ne8 $2 (33... exf4 {is tougher.} 34. Rxg7 Rxg7 35. Kxf4 h5) 34. Bxe5 $18 Bxe5 (34... h6 $142) 35. Rxe5 ({Less strong is} 35. fxe5 Nc7 $18) 35... Rxe5 36. fxe5 {[%mdl 4096] Endgame KB-KN} Nc7 37. Bc8 b6 {[#]} 38. cxb6 $1 axb6 39. a4 Kg7 40. a5 bxa5 41. bxa5 Kf7 42. a6 (42. Ke3 $142 Nb5 43. Kd3) 42... Nb5 43. Ke3 {White mates.} Ke7 44. Kd3 Kd8 45. Bf5 h5 46. Kc4 Kc7 47. Kc5 Na7 48. e6 Nc8 {[#]} 49. a7 $1 {[%mdl 512]} Kb7 {[#]} (49... Nxa7 50. e7) 50. a8=Q+ $1 {[%mdl 512]} Kxa8 51. Kxc6 {Precision: White = 70%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Vijayalakshmi, Subbaraman"]
[Black "Inkiov, Ventzislav"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2345"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "273"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,273,-9,7,-42,-50,-43,-50,-211,-206,-221,-93,-73,-80,-77,-54,-91,-91,-72,-67,-68,-68,-68,-72,-66,-65,-70,-72,-72,-72,-72,-72,-72,-65,-72,-72,-72,-66,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-73,-72,-72,-72,-69,7,7,7,7,106,106,204,204,204,204,204,204,204,204,204,204,204,204,204,0,204,0,212,123,123,31,123,123,123,123,123,55,123,123,123,123,123,123,123,0,123,123,123,0,123,0,123,123,123,123,123,0,123,0,123,0,123,123,124,0,0,0,7,5,6,7,13,0,19,19,16,21,23,23,16,9,197,35,174,174,174,172,168,168,150,150,90,143,143,67,67,68,68,62,61,61,61,59,62,0,0,0,62,62,62,62,1128,1002,576,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,0,54,54,54,54,54,54,54,54,54,0,54,0,54,54,54,54,54,54,54,54,54,54,54,0,0,0,54,54,54,54,54,54,54,0,54,48,8,8,8,8,54,54,54,54,54,54,54,61,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,0,29991,29992,29994,29995]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c3 Qb6 {LiveBook: 30 Games} 7. Ne5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7. a3 a5 8. a4 Bd7 9. Na3 cxd4 10. cxd4 Be7 11. Bg5 h6 12. Bxf6 Bxf6 13. e3 O-O 14. Nb5 Rac8 {½-½ (41) Suarez Garcia,C (2408)-Lopez Martinez,J (2540) Linares 2015}) 7... cxd4 8. Nxc6 dxc3 9. Nxa7 $146 (9. Nxc3 $15 bxc6 10. Qc2) ({Predecessor:} 9. Nxc3 bxc6 10. e4 Be7 11. Be3 Qa5 12. Qd2 Bb4 13. Bd4 Ba6 14. Rfe1 Rd8 {1-0 (24) Bury,R (2094)-Kebis,M (2009) Bratislava 2008}) 9... cxb2 $19 ({Inferior is} 9... Qxa7 10. Nxc3 Bc5 11. Bg5 $11) 10. Nxc8 Rxc8 (10... Qxf2+ $1 $19 11. Rxf2 bxa1=Q) 11. Bxb2 $17 Qxb2 12. Nd2 Bd6 13. Ne4 Nxe4 14. Bxe4 Be5 15. Bd3 O-O 16. Rb1 Qxa2 17. Rxb7 g6 18. Qb1 Qa5 19. Rb5 Qd8 20. h4 Qf6 21. Kg2 Ra8 22. Rc1 Kg7 23. Qb4 Ra2 24. Qg4 h5 25. Qf3 Qe7 26. Rcb1 Rc8 27. Rb7 Rc7 28. Rxc7 Qxc7 29. Qe3 Bf6 30. Qb6 Qe5 31. Rc1 Ra4 (31... Qd4 $15 32. Qb3 Qa7) 32. Rc8 $1 $11 {[#] Hoping for Qc5.} Bxh4 $1 {[%mdl 512]} 33. Qc5 (33. gxh4 Rxh4) 33... Kh7 (33... Kh6 $1 $11) 34. Qf8 $16 Qg7 (34... Rg4 $16 {keeps fighting.}) 35. Qe8 $1 $18 ({Not} 35. gxh4 Qxf8 36. Rxf8 Kg7 $11) 35... Ra7 {...Bf6 is the strong threat.} ({Don't go for} 35... Rg4 $2 36. Rc7 $18) 36. gxh4 Qd4 37. Qg8+ Kh6 38. Qf8+ Kh7 {intending ...Qg4+.} 39. f4 Qf6 40. Qg8+ Kh6 41. Qf8+ Kh7 $1 42. Qg8+ Kh6 43. Qh8+ (43. Bc2 $18) 43... Qxh8 $16 44. Rxh8+ {[%mdl 4096] Endgame KRB-KR} Kg7 45. Rb8 $1 Rc7 46. Kf3 Ra7 47. Ke3 (47. Rb4 $16) 47... Kf6 (47... Ra1 $1 $14) 48. Rb6 Rc7 49. Kf3 Ra7 50. Ba6 Ra8 51. Bd3 Ra7 $1 52. Bc2 Rc7 53. Bd3 Ra7 $1 54. Ke3 (54. Rb1 $16) 54... Ra1 (54... Rc7 $1 $11) 55. Rb1 $1 {[%cal Rb1a1]} Ra7 56. Kf3 Rc7 57. Rb6 Ra7 58. Bc2 Rc7 $1 {[%cal Rc7c2]} 59. Bd3 Ra7 60. Ra6 Rc7 61. Bb1 (61. Ra4 $16) 61... Rc1 $11 62. Bd3 Rf1+ 63. Kg3 Rg1+ 64. Kf2 Rg4 65. e3 {[%cal Be2e3,Be3d4,Bd4d5,Bd5d6,Bd6d7][%mdl 32]} d4 66. exd4 Rxf4+ 67. Ke3 Rxh4 68. d5 Rb4 69. d6 e5 $2 (69... Ke5 $1 $11 {and Black stays safe.}) 70. Ra7 $2 (70. Bc2 $1 $18) 70... Ke6 (70... h4 $14) 71. d7 $18 Ke7 72. Bc2 $1 f5 73. Ba4 $1 {Threatens to win with Ra8.} Rb8 74. Ra5 Ke6 (74... Kf6 $142) 75. Ra6+ $16 Kf7 76. Rd6 ({Better is} 76. Kf2 $16) 76... Rd8 $1 $14 77. Kf3 h4 78. Kg2 e4 79. Bb5 g5 80. Kh3 Ke7 81. Rg6 (81. Rd5 $14 Ke6 82. Rc5) 81... Rb8 $11 82. Ba4 e3 (82... g4+ $1 $11 83. Kxh4 e3) 83. Rxg5 $14 e2 84. Rg7+ Kd6 $2 {[%mdl 8192] [#]} (84... Ke6 $14 85. Rg1 f4) 85. Rg1 $1 $18 {[%cal Rg1e1]} Kc7 86. Re1 $2 (86. Rc1+ $18 Kd8 87. Kg2) 86... Ra8 $14 87. Rc1+ Kd8 $1 88. Bb5 {And now Kg2 would win.} Rb8 89. Bxe2 Kxd7 90. Kxh4 Rg8 91. Rf1 Rh8+ 92. Kg5 Rg8+ 93. Kf4 Ke7 94. Bd3 Rd8 95. Bxf5 Kf6 96. Ra1 Rd4+ 97. Be4 Rd6 98. Rg1 Kf7 99. Ke5 Re6+ 100. Kf4 (100. Kd5 {keeps more tension.} Rf6 101. Kc5 Rf2 102. Ra1 Rh2 103. Ra7+) 100... Rd6 $1 101. Bf5 Rb6 102. Ra1 Ke7 103. Be4 Kf6 104. Rg1 {White threatens Rg6+ and mate.} Kf7 105. Ke5 Re6+ $1 106. Kf4 (106. Kd4 $14 Rh6 107. Rg5) 106... Rb6 (106... Rd6 $11) 107. Rh1 Rd6 108. Rh7+ Kf6 109. Rh6+ Ke7 110. Rh5 Kf6 111. Bd5 Rd8 112. Rh6+ ({White should try} 112. Ke4 $14) 112... Kg7 $11 113. Rh5 (113. Ra6 $11) 113... Kf6 $1 $14 114. Rf5+ Kg7 115. Kg5 Rd7 116. Be6 Re7 117. Bd5 Rd7 118. Be4 Re7 119. Rf4 Rd7 120. Bf5 Re7 121. Rh4 Rf7 122. Ra4 Re7 123. Ra6 Rc7 124. Ra8 Re7 (124... Rb7 $14) 125. Ra6 Rc7 126. Rg6+ Kf7 127. Rh6 {Intending Rh7+ and mate.} Re7 128. Rh7+ Kf8 129. Rh8+ Kg7 130. Rh5 Rf7 131. Rh7+ Kf8 132. Rh4 Kg7 133. Bg6 {Threatening mate with Rh7+.} Rf1 134. Rh7+ Kg8 135. Rb7 {Black must now prevent Bf5.} Rg1+ $2 {[%mdl 8192] [#]} (135... Kf8 $11) 136. Kf6 $1 {[%cal Rb7b8]} Rf1+ 137. Bf5 {Precision: White = 62%, Black = 66%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Petkidis, Anthony"]
[Black "Grinberg, Eyal"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2314"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,94,0,0,-9,0,0,0,-30,0,0,0,-9,-9,-1,-12,-46,-35,-46,-35,-57,-62,-93,-37,-37,-40,-51,-28,-42,-32,-37,-27,-46,-16,-42,-34,-62,-24,-27,-18,-26,0,-29,-26,-68,-66,-72,-76,-546,-216,-200,-183,-973,-443,-443,-408,-613,-593,-595,-596,-1854,3,3,3,3,3,3,3,3,3,3,3,3,3]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qc7 8. Qf3 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} (8. Be2 e6 9. O-O Be7 10. Kh1 b5 11. Bf3 Bb7 12. Bxf6 Nxf6 13. e5 dxe5 14. fxe5 Nd7 15. Bxb7 Qxb7 {½-½ (65) Azarov,S (2582)-Fedoseev,V (2690) Minsk 2017}) 8... h6 9. Bxf6 Nxf6 10. f5 Qc5 11. O-O-O g5 12. Nd5 Nxd5 {LiveBook: 11 Games} 13. exd5 Bg7 14. c3 Bf6 15. g4 $146 ({Predecessor:} 15. g3 h5 {0-1 (42) Smolkov,I (2349)-Kraus,T (2398) Czech Republic 2016}) 15... Bd7 16. Kb1 O-O-O 17. Bg2 Kb8 18. h3 Rc8 19. Rhf1 Qb6 20. Ka1 Ba4 21. Rd2 Rc5 22. Qe4 Bb5 ({Black should play} 22... Rhc8 $17) 23. Nxb5 $15 Qxb5 24. Qe2 Qa5 25. Rc2 Rhc8 26. Rfc1 Rc4 27. Kb1 Be5 28. Qd3 Qb6 29. Ka1 a5 (29... Ra4 $5 {[%cal Rb6b3]} 30. Kb1 Rac4 $15) 30. Bf3 a4 {And now ...a3! would win.} 31. a3 $1 R4c5 32. Qe4 Qb3 {[%cal Re5c3]} 33. Qd3 R8c7 34. Bg2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] Threatens to win with ...Rc4.} 35. Be4 $2 {[%mdl 8192] [#]} (35. Bf1 $17) 35... Rc4 $2 (35... b4 $1 {[%cal Rb4c3][%mdl 512]} 36. axb4 Rc4) 36. Kb1 $19 Kc8 37. Ka1 $2 {[#]} (37. f6 Bxf6 38. Ka1) 37... Kd8 (37... b4 $142 $1 {[%cal Rb4c3][%mdl 512]} 38. Rd1 (38. axb4 a3) 38... bxa3) 38. Kb1 Bf4 {Hoping for ...b4.} 39. Re1 {[#]} (39. Qe2 $142 Bxc1 40. Kxc1) 39... b4 $1 {[%cal Rb4a3][%mdl 512]} 40. axb4 a3 41. Ree2 Rxc3 $2 (41... Be5 $19 42. f6 Bxf6) 42. Rxc3 $11 {The position is equal.} Rxc3 43. Qxc3 Qd1+ 44. Ka2 Qxe2 45. Qc2 Qxc2 46. Bxc2 axb2 47. Kxb2 Kc7 {Precision: White = 31%, Black = 45%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Andre, Gordon"]
[Black "Beerdsen, Thomas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2286"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,67,45,71,40,43,35,38,47,53,41,49,33,75,16,30,22,19,10,11,7,17,0,7,7,14,14,31,13,7,13,7,13,22,0,0,0,15,8,33,16,36,23,37,37,37,37,37,37,35,4,29,4,29,29,52,50,50,50,50,50,50,45,58,0,50,50,50,50,50,0,50,50,50,0]} 1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. a3 f5 5. Nc3 Nf6 6. d5 exd5 {A40: Unusual replies to 1 d4} (6... Na6 7. g3 g6 8. Bg2 Bg7 9. O-O Nc5 10. Be3 O-O 11. Rc1 Qe7 12. Nb5 d6 13. Ng5 Ng4 14. Bxc5 Qxg5 {0-1 (41) Lenic,L (2662)-Meier,G (2648) chess.com INT 2018}) 7. cxd5 {LiveBook: 3 Games} Be7 8. g3 Ne4 $146 ({Find the theoretical novelty and annotate with similar games:} 8... O-O 9. Bg2 Ne4 10. O-O Nxc3 11. bxc3 Na6 12. Nd4 Nc5 13. Qc2 g6 14. Bh6 {½-½ (68) Dimitrov,R (2388)-Dobrev,N (2137) Albena 2009}) 9. Bg2 Nxc3 10. bxc3 Bf6 11. Nd4 O-O 12. O-O Bxd4 13. Qxd4 ({Better is} 13. cxd4 $16 d6 14. Bf4) 13... d6 $11 14. Bb2 Qf6 15. Qxf6 Rxf6 16. c4 Rf8 17. e4 fxe4 18. Rfe1 Nd7 19. Rxe4 Nc5 20. Re3 Rae8 21. Rae1 Rxe3 22. Rxe3 Bc8 23. f4 Kf7 24. Bf3 Bd7 25. Bd4 Rb8 26. Be2 a6 27. Kf2 Re8 28. Rxe8 Bxe8 $14 {[%mdl 4096] Endgame KBB-KBN} 29. Ke3 Ba4 30. g4 Bc2 31. h4 g6 32. g5 Nb7 33. Bf6 h5 34. Kd4 Bf5 35. Bd1 Bd7 36. Bc2 Bc8 37. Ba4 Nc5 38. Bc2 {[#] Black must now prevent Bd8.} Nb7 $1 39. Kc3 Bg4 40. Kb4 Bd7 41. Kc3 Bg4 42. Kd2 Na5 43. Kc3 {Precision: White = 44%, Black = 43%.} (43. Bd3 $5 {[%cal Rf6d8]}) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.01"]
[Round "7"]
[White "Lavrinenkov, Vadim"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2249"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,111,-1,-1,-2,-2,-36,-38,-33,-24,-42,-28,-40,-35,-70,-41,-100,-74,-94,-87,-75,-79,-91,-78,-96,-97,-100,-33,-84,-82,-89,-82,-106,-89,-97,-70,-73,-61,-123,-123,-132,-135,-126,-125,-138,-124,-162,-164,-161,-158,-175,-172,-194,-181,-245,-244,-276,-278,-271,-262,-252,-177,-180,-179,-175,-169,-185,-174,-307,-307,-307,-306,-306,-302,-306,-306,-539,-530,-541,-539,-548,-423,-545,-522,-625,-586,-1694,-1583,-1406,-1315,-29996,-29997,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 c6 7. e3 g6 8. Rc1 {D43: Semi-Slav: 5 Bg5 h6} (8. Be2 Bg7 9. O-O O-O 10. Ne5 Nd7 11. f4 Qe7 12. Qb3 Nxe5 13. fxe5 Bd7 14. cxd5 cxd5 15. e4 dxe4 16. Nxe4 {1-0 (34) Wojtaszek,R (2738)-Saric,I (2657) Batumi 2018}) 8... Nd7 9. Be2 Bg7 10. O-O O-O {LiveBook: 8 Games} 11. Qb3 Qe7 12. Qa3 $146 ({Predecessor:} 12. Rfd1 Nb6 13. e4 dxc4 14. Bxc4 Nxc4 15. Qxc4 {0-1 (40) Hebden,M (2527)-Greenfeld,A (2536) London 2014}) 12... Qxa3 13. bxa3 Nb6 14. Nd2 Rd8 15. Rfd1 Bf8 16. Ncb1 Bd7 17. Bf3 ({White should try} 17. c5 $15) 17... Be8 18. g3 Rac8 19. c5 Nd7 20. Nb3 b6 21. N1d2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 22. Be2 Bg7 ({Black should play} 22... bxc5 $17 23. dxc5 e4) 23. Nf3 (23. dxe5 $15 Bxe5 24. Rc2) 23... e4 $17 24. Nfd2 Bf8 25. Rc2 Be7 26. Rdc1 Nf8 27. a4 Ne6 28. a5 ({Better is} 28. cxb6 $1 $15 axb6 29. a5) 28... bxc5 29. Nxc5 Nxc5 30. dxc5 Rb8 31. Nb3 Rb4 32. Kf1 Rdb8 33. Ke1 Bd7 34. Kd2 Kf8 35. Kc3 Bf6+ 36. Nd4 (36. Kd2 $142) 36... Ke8 37. Rd2 Ra4 38. Rb2 Rxb2 39. Kxb2 {White hopes to continue with Kb3.} Rxa5 ({Not} 39... Bxd4+ 40. Kb3 $15) 40. a3 Be7 41. Nb3 {[#]} Ra4 $1 42. Nd2 Kd8 43. Kb3 (43. Nb3 {keeps fighting.}) 43... Ra5 $19 44. Kb4 {[#]} Rxc5 $1 {[%mdl 512]} 45. Rxc5 {[#] Strongly threatening Nb3.} a5+ $1 {[%mdl 512]} 46. Kxa5 {Hoping for Rc3.} Bxc5 {[%mdl 4096] Endgame KBB-KBN} 47. a4 $2 (47. Ka4 {was necessary.}) 47... Kc7 48. Nb3 Ba3 49. Nd4 f5 50. Ba6 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 51. Bf1 Be7 52. Bh3 g4 53. Bf1 c5 54. Nb5+ Kb7 {Black mates.} 55. Be2 Bd8+ 56. Nc7 Bxc7# {Precision: White = 23%, Black = 90%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Bacrot, Etienne"]
[Black "Riff, Jean-Noel"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2718"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,12,0,8,0,24,-17,0,0,-2,-8,0,-1,-1,-33,0,0,42,39,58,61,47,47,62,51,61,61,91,50,71,49,55,0,43,29,43,40,43,43,38,14,14,0,0,0,22,18,20,0,7,0,35,36,73,72,223,214,230,229,230,230,217,203,195,191,201,205,217,181,220,207]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 {B91: Sicilian Najdorf: 6 g3} Be7 8. Nh4 O-O 9. Bg2 {LiveBook: 3 Games. The position is equal.} g6 10. a4 Bg4 $146 ({Predecessor:} 10... Nc6 11. O-O Bg4 12. Nf3 Nd4 13. Be3 Nxf3+ 14. Bxf3 Be6 {½-½ (24) Motylev,A (2680)-Kokarev,D (2620) Sochi 2017}) 11. Qd3 Nbd7 12. Bh6 Re8 $1 13. O-O Be6 14. h3 Rc8 {Strongly threatening ...Bc4.} 15. Qd2 Qb6 16. Rfb1 {[%cal Bf1b1,Bb1d1,Bd1d2][%mdl 32]} Qd4 {[#]} 17. Nf5 $1 {[%mdl 512]} Qxd2 (17... Bxf5 18. exf5) 18. Nxe7+ Rxe7 19. Bxd2 Nb8 20. Bg5 Kg7 $1 21. Rd1 Rc6 22. Rd2 Rec7 23. Rad1 Ne8 $1 24. a5 (24. Be3 $14) 24... Nd7 25. Ra1 b5 26. axb6 Nxb6 27. Rdd1 Nd7 28. Bf1 Rb7 29. Bc1 Nc7 30. Ra5 Kf8 31. Kg2 $36 {[%mdl 2048] White fights for an advantage.} Ke7 32. Bd3 f6 33. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Rb8 34. h5 {And now hxg6 would win.} g5 35. Nd5+ Bxd5 $2 {[#]} (35... Kf7 $16) 36. exd5 $18 {White is clearly better.} Rcb6 37. Bxh7 Rh8 38. Bg6 Nf8 39. Bd3 Rxh5 40. b3 Nd7 41. Be3 Rb8 42. Be2 Rh7 43. Bxa6 {Precision: White = 49%, Black = 43%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Wang, Hao"]
[Black "Noe, Christopher"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2713"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,15,43,20,19,18,42,9,22,17,25,25,37,19,38,9,11,0,18,14,14,29,23,0,0,0,0,0,0,0,0,-14,-5,-12,0,0,0,0,0,0,0,0,0,-39,-31,-59]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. c3 Be7 7. Bf4 {C45: Scotch Game} d6 8. N1d2 Nf6 {LiveBook: 10 Games} 9. Bd3 {White is slightly better.} Bg4 $146 ({Predecessor:} 9... Ne5 10. Be2 O-O 11. O-O b6 12. Nd4 Bb7 13. Qc2 Re8 14. Bb5 c6 15. Bxe5 cxb5 {0-1 (64) Solodovnichenko,Y (2598)-Georgiev,K (2680) La Massana 2012}) 10. Be2 Qd7 11. h3 (11. f3 {keeps more tension.} Be6 12. Nd4 d5 13. Bb5 dxe4 14. Nxe4 Nd5 15. Bd2) 11... Bxe2 12. Qxe2 O-O 13. O-O Rfe8 14. Rfe1 Bf8 15. Qd3 Ne5 16. Qc2 d5 17. Rad1 dxe4 18. Nxe4 Qf5 19. Bh2 (19. Nxf6+ {looks sharper.} Qxf6 20. Bg3 Re7 21. Re4 Rae8 22. Nd4) 19... Nxe4 20. Qxe4 Qxe4 21. Rxe4 Nd3 $1 22. Rxe8 Rxe8 23. Bxc7 Nxb2 24. Rd4 Rc8 25. Rd7 Na4 26. c4 f6 27. g4 b6 28. Kg2 Nb2 29. h4 Nxc4 30. g5 {Precision: White = 41%, Black = 65%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Andreikin, Dmitry"]
[Black "Lagarde, Maxime"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2712"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,8,15,15,17,45,40,46,45,47,44,45,48,50,44,58,46,72,85,85,95,113,104,145,142,127,126,140,147,133,130,233,229,254,256,297,280,320,316,297,277,517,520,471,458,439,404,1953,1795,29986,29987,29988,29988,29988,29989,29989,550]} 1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 {[%cal Be2e3,Be3e4,Be4e5][%mdl 32]} b6 6. Bd3 {A80: Dutch Defence: Unusual White second moves} Bb7 7. Bxf6 Bxf6 8. e4 {LiveBook: 7 Games. The position is equal.} O-O (8... fxe4 9. Bxe4 d5 10. Bd3 O-O 11. O-O Nc6 12. c3 Qd6 13. Re1 {0-1 (36) Andreikin,D (2705)-Kamsky,G (2676) Sochi 2017}) 9. c3 g6 10. h4 $146 {[%cal Bh2h4,Bh4g5][%mdl 32]} ({Predecessor:} 10. exf5 exf5 11. Qb3+ d5 12. O-O Nd7 13. c4 Kh8 {0-1 (47) Verich,O (994)-Raines,D (1067) LSS email 2010}) 10... d5 {[%cal Rd5e4]} 11. e5 Be7 12. Ng5 Bxg5 13. hxg5 c5 14. f4 a5 15. Nf1 Ba6 16. Ne3 Bxd3 17. Qxd3 Qd7 18. g4 c4 19. Qc2 Na6 20. gxf5 exf5 21. b3 b5 22. bxc4 bxc4 (22... dxc4 $16 23. O-O-O Qb7) 23. Rb1 Qc6 24. Kf2 Rab8 25. Kg3 Nc7 26. Rxb8 Rxb8 27. Rb1 Qe8 $2 (27... Rxb1 28. Qxb1 Kg7) 28. Rxb8 $18 Qxb8 {[#]} 29. Qa4 $1 Qb5 30. Qa3 {aiming for Qd6.} ({Less strong is} 30. Qxb5 Nxb5 31. Nxd5 a4 $18) 30... Qb1 (30... Qb6 $142 31. Qe7 Qc6 32. Qd8+ Kf7) 31. Qe7 Nb5 32. e6 {White mates.} h5 33. Qf7+ Kh8 34. Qf8+ Kh7 35. Qh6+ {Precision: White = 93%, Black = 42%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kasimdzhanov, Rustam"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2676"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,44,43,71,46,71,75,94,38,41,26,36,17,27,31,34,32,46,18,112,117,106,106,117,98,165,135,158,112,116,109,159,141,460,472]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O cxd4 9. cxd4 O-O {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (9... Nb6 10. Re1 Bd7 11. Nf1 Rc8 12. a3 a6 13. Ng3 h5 14. Bd2 Na7 15. Rc1 Ba4 16. Rxc8 Qxc8 17. Qb1 {1-0 (46) Naiditsch,A (2687)-Maier,C (2390) Tallinn 2016}) 10. Re1 {LiveBook: 13 Games} Re8 11. Nf1 f6 {White is slightly better.} 12. exf6 Bxf6 13. Be3 $146 (13. Ne3 $16) ({Predecessor:} 13. a3 Nf8 14. Ne3 Qb6 15. Nxd5 exd5 16. Rxe8 Kf7 17. Re1 Nxd4 18. Ng5+ Kg8 19. Nxh7 Bd7 20. Qh5 {1-0 (20) Khamrakulov,I (2509)-Dhar Barua,S (2091) Seville 2013}) 13... e5 $14 14. Qb3 Kh8 $1 {[#] White must now prevent ...e4.} 15. dxe5 (15. Qxd5 $2 Nb4 $19) 15... Ndxe5 16. Nxe5 Bxe5 17. Rac1 Rb8 18. h3 Be6 (18... a6 $11) 19. Bxa7 $1 $16 d4 20. Qb5 {[#] Threatens to win with Rxc6.} Ra8 21. Bb6 (21. Rxe5 Nxe5 22. Qxe5 Rxa7 $11) 21... Qb8 (21... Qg5 $16) 22. a3 $18 Bg8 23. Be4 Bf6 24. Ng3 Re5 25. Qd3 Ra6 $2 {[%mdl 8192]} (25... Bf7 $16 {is tougher.} 26. Red1 (26. Bxh7 Ra6 $16) (26. Bxc6 bxc6 27. Rxe5 Qxe5 $16) (26. Bxd4 Nxd4 27. Qxd4 Rb5 $16) 26... Qe8) 26. Rxc6 {Precision: White = 57%, Black = 35%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Korobov, Anton"]
[Black "Poetsch, Hagen"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2664"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,2,7,7,9,0,14,0,0,-4,0,0,28,0,0,0,0,0,0,-10,0,-25,25,26,44,61,62,22,23,24,228,221,225,207,333,332,471,484,29990,29991,29991,29992,29992,29993]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Bb3 Bb7 8. Nc3 c5 9. e4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} cxd4 10. Nxd4 Nbd7 {LiveBook: 15 Games} 11. Be3 $146 {The position is equal.} ({Predecessor:} 11. Re1 Nc5 12. Bd5 Rc8 13. Bg5 Be7 14. Bxb7 Nxb7 15. e5 Nd5 16. Bxe7 {½-½ (16) Berkes,F (2648)-Tarlev,K (2592) Rasht 2017}) 11... Nc5 12. f3 Be7 13. Qe2 O-O 14. Rfd1 Qc7 15. Rac1 Rac8 16. Bc2 Qb8 17. a3 Ncd7 18. Bb3 {With the idea Nxe6!} Rfd8 19. Qe1 Bc5 20. Nce2 Qa7 21. Kh1 Bb6 {next ...e5 is good for Black.} ({But not} 21... e5 $6 22. Rxc5 Nxc5 {[#]} 23. Ne6 $1 $16 {[%mdl 512]}) 22. Rxc8 Rxc8 23. Qg3 {And now Bh6 would win.} Nf8 24. Bg1 Ng6 $2 {[#]} (24... Kh8 $11 {and Black stays safe.}) 25. Nxe6 $1 $18 {[%mdl 512]} Bxg1 (25... fxe6 26. Bxe6+) 26. Nxg1 $40 {[%mdl 128] White is out for blood.} ({Not} 26. Rxg1 Bxe4 27. Nc3 Bd3 $11) 26... Bxe4 (26... h6 $142 27. Nf4 Nxf4 28. Qxf4 Qc5 29. Bxf7+ Kxf7) 27. Ng5 Bc2 (27... Bf5 $142 28. Nxf7 (28. Bxf7+ Kh8 $16) 28... Qe3) 28. Bxc2 ({Weaker is} 28. Bxf7+ Kh8 $18) 28... Rxc2 (28... Rf8 $18 29. Ne4 Nxe4 30. Bxe4 Qe3) 29. Rd8+ {White mates.} Nf8 30. Qd6 {[%csl Gd6][%cal Rd8f8]} N6d7 31. Qe7 {Precision: White = 72%, Black = 38%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Fridman, Daniel"]
[Black "Nasuta, Grzegorz"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2637"]
[BlackElo "2465"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,93,30,23,27,21,28,8,29,0,14,13,26,16,21,25,12,15,33,0,19,3,8,0,-10,-5,0,-25,-33,-23,0,0,0,-14,9,6,48,10,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. e3 Nf6 3. d4 d5 4. c4 cxd4 5. exd4 Nc6 6. Nc3 g6 7. cxd5 Nxd5 8. Qb3 e6 9. Bb5 Bg7 10. O-O {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} O-O 11. Bxc6 bxc6 12. Na4 (12. Re1 Qd6 13. Ne4 Qb4 14. Qc2 a5 15. a3 Qb6 16. Nc5 Re8 17. Ne5 f6 {1-0 (33) Giri,A (2752)-Mamedyarov,S (2804) Wijk aan Zee 2018}) 12... Ba6 {[%cal Bc8a6,Ba6c4,Bc4d5][%mdl 32]} 13. Re1 Nb6 {[%cal Bd5b6,Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 14. Nc5 {LiveBook: 10 Games} Bc4 15. Qc3 Bd5 16. Ne5 Nc8 17. Qh3 Re8 {[#]} 18. Bh6 $146 {[#] Black must now prevent Bxg7.} Bh8 19. Rad1 Nd6 20. b3 Nf5 21. Bc1 {[%cal Bh6c1,Bc1b2,Bb2c3][%mdl 32]} Bg7 22. Bb2 Qa5 23. Bc3 Qc7 24. g4 Nd6 25. Qg3 $1 Rac8 26. a4 f6 27. Ned3 Nf7 28. Qxc7 Rxc7 29. Re3 e5 30. dxe5 fxe5 (30... Nxe5 {looks sharper.} 31. Nxe5 fxe5 32. Rde1 Rce7 33. h3 Bf8) 31. f4 (31. Ba5 {looks sharper.} Rcc8 32. Nb4 Be6 33. Nxe6 Rxe6 34. Rd7) 31... Rce7 {The position is equal.} 32. fxe5 Nxe5 33. Nxe5 Bxe5 34. Rxe5 Rxe5 35. Bxe5 Rxe5 $11 {[%mdl 4096] Endgame KRB-KRN} 36. Kf2 Re7 37. Rd4 Rf7+ 38. Ke2 g5 39. Rb4 a5 40. Rb8+ Kg7 41. b4 axb4 42. Rxb4 {Strongly threatening a5.} Rf3 $1 43. a5 {[#] Threatens to win with Ra4.} Rc3 $1 {[%cal Rc3c5]} 44. Na4 Ra3 45. a6 c5 46. Nxc5 Ra5 47. Ne4 {Precision: White = 54%, Black = 47%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Banusz, Tamas"]
[Black "Tomczak, Mikolaj"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2618"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,102,24,34,25,23,33,31,33,25,29,22,29,10,19,8,27,14,19,19,26,8,8,9,15,0,0,0,0,0,0,0,0,0,0,0,0,-15,0,-62,-52,-57,0,0,-9,0,0,0,0,0,-4,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Bg4 8. d3 Bxf3 9. Bxf3 Nbd7 {A11: English Opening: 1...c6} (9... e6 10. Nd2 Ne8 11. d4 Nd6 12. e3 f5 13. a4 a5 14. Ba3 Na6 15. Be2 Re8 16. cxd5 exd5 17. Bxa6 Rxa6 {1-0 (42) Khismatullin,D (2628)-Rakhmanov,A (2654) Sochi 2017}) 10. d4 {LiveBook: 3 Games} Ne4 11. Nc3 Nxc3 {White has an edge.} 12. Bxc3 Nb6 $146 ({Predecessor:} 12... e6 13. Rb1 f5 14. Qd3 Nf6 15. b4 Ne4 16. b5 c5 17. e3 {½-½ (33) Krysztofiak,M (2396)-Schreiner,T (2276) Graz 2017}) 13. cxd5 cxd5 14. Qd3 e6 15. a4 Nc8 16. Rac1 Ne7 17. Qb5 Nf5 18. e3 Nd6 19. Qc5 b6 20. Qa3 {Bb4 is the strong threat.} a5 21. b4 Qd7 22. b5 Rfc8 23. Rc2 Rc7 24. Rfc1 Rac8 25. Qb3 Bf8 26. Be2 f5 27. Kg2 Kf7 28. g4 (28. h4 $11) 28... fxg4 $15 29. Bxg4 Ne4 (29... Nc4 $15 30. Be1 Qe7) 30. Be1 $11 Rxc2 31. Rxc2 Rc7 32. f3 Nf6 33. Bh3 Qc8 34. Re2 Nh5 (34... Bd6 $15) 35. Bg4 $1 {The position is equal.} Nf6 36. e4 Nxg4 37. fxg4 dxe4 38. Rxe4 Rc2+ 39. Kh3 Qc4 {[#] ( -> ...Qf1+)} 40. Qf3+ $1 Kg8 41. Re3 Bd6 {[%csl Gd6][%cal Rc2h2]} 42. Bg3 $1 {[%cal Rg3d6]} Bxg3 43. hxg3 Qd5 44. Qxd5 exd5 {[%mdl 4096] Endgame KR-KR} 45. Re5 Rc4 {Strongly threatening ...Kf7.} 46. Rxd5 Rxa4 47. Rd6 Rb4 48. Rxb6 Rxd4 49. Ra6 a4 50. Ra8+ Kg7 51. Ra7+ Kh6 {Precision: White = 68%, Black = 83%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Bindrich, Falko"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2602"]
[BlackElo "2715"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/7200:1800"]

{[%evp 8,11,28,32767,32767,34]} 1. d4 {[%emt 0:02:58]} Nf6 2. c4 {[%emt 0:01:33]} g6 {[%emt 0:08:28]} 3. g3 {[%emt 0:00:22]} Bg7 {[%emt 0:00:04]} 4. Bg2 {[%emt 0:00:04]} O-O {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:10]} d6 {[%emt 0:00:03]} 6. Nf3 $14 {[%emt 0:00:12]} Nbd7 {[%emt 0:00:03]} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Bernadskiy, Vitaliy"]
[Black "Vogel, Roven"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2588"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,84,67,58,27,44,0,61,69,62,40,40,40,52,58,27,0,0,0,34,31,25,5,62,70,70,66,75,0,0,0,0,0,0,-38,45,-9,44,6,61,0,17,0,0,-59,0,-11,0,0,0,0,0,0,35,37,38,0,0,0,29,-116,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. O-O Nc6 7. c3 Qb6 8. dxc5 Bxc5 9. b4 Be7 {LiveBook: 8 Games} 10. a4 {B12: Caro-Kann: Advance Variation} (10. Be3 Qc7 11. b5 Nb8 12. Qa4 b6 13. c4 dxc4 14. Rc1 Nd7 15. Rxc4 Bc5 16. Nbd2 Ne7 17. Nb3 O-O 18. Nxc5 bxc5 19. Bxc5 Nxc5 {1-0 (69) Lastin,A (2643)-Lenderman,A (2601) ICC INT 2010}) 10... Nh6 11. Bf4 $146 ({Predecessor:} 11. a5 Qc7 12. a6 b6 13. Re1 O-O 14. Bxh6 gxh6 15. Bb5 Bg6 16. Qd2 h5 17. Na3 f6 18. Bxc6 Qxc6 {0-1 (34) Van der Poel,H-Dorenberg,G (2265) Enschede 1991}) 11... Bg6 ({Better is} 11... a6 $11) 12. a5 $14 {White is slightly better.} Qc7 13. a6 bxa6 14. Rxa6 O-O 15. Na3 Qb7 16. Qd2 Nf5 17. Nc2 Bd8 18. Rfa1 Bb6 19. R6a3 Rad8 (19... Qc7 $11) 20. b5 Nb8 21. g4 Ne7 22. Nfd4 (22. Be3 $16 Rd7 23. Nb4) 22... Bxc2 $11 23. Qxc2 Ng6 $36 {[%mdl 2048] White is under pressure.} 24. Bg3 Rc8 {[#] Hoping for ...Bxd4.} 25. Qd2 Qe7 (25... Nd7 $15) 26. g5 ({White should try} 26. Kg2 $14) 26... Rc5 (26... Nd7 $11) 27. Kg2 Rfc8 (27... Qb7 $11) 28. f4 Qc7 {[%cal Rc5c3]} 29. Rc1 Ne7 30. Bd3 (30. Bf2 $11) 30... g6 (30... Qb7 $1 $15) 31. Bf2 Qb7 32. h4 R5c7 33. h5 Nd7 34. hxg6 Nxg6 35. Bxg6 hxg6 36. Rh1 {[%cal Bc1h1,Bh1h3,Bh3h8][%mdl 32]} (36. Qd3 $5 {[%cal Rc1h1]}) 36... Bc5 37. Raa1 {[#] Threatens to win with Qd3.} Bxd4 $1 38. Qxd4 (38. Bxd4 $11 {remains equal.} Qxb5 39. Kg1) 38... Qxb5 (38... Rxc3 $17 39. Ra5 Rb3 40. Qxa7 Rxb5 41. Qxb7 Rxb7) 39. Rh3 $1 {The position is equal.} Qe2 {Strongly threatening ...Qg4+.} 40. Rah1 $1 {Intending Rh8+ and mate.} Nf8 {White must now prevent ...a5.} 41. Qb4 {White threatens Rh8+ and mate.} Kg7 {And now ...a5! would win.} 42. Rh8 $1 {Threatening mate with Qxf8+!} Qg4+ {Precision: White = 52%, Black = 52%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Sadzikowski, Daniel"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2583"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,83,15,13,14,16,60,50,56,56,57,50,66,21,25,6,1,0,0,-25,-21,-33,0,-28,-19,-14,50,0,0,0,0,0,0,-37,0,0,-7,-5,0,0,8,0,0,0,0,0,0,0,27,26,26,26,26,20,19,19,11,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Qd1 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} b6 10. dxc5 bxc5 11. c4 Ne7 12. cxd5 exd5 13. Nf3 {LiveBook: 3 Games} h6 14. Rb1 {[#]} Be6 $146 ({Predecessor:} 14... Bf5 15. Bd3 Nd7 16. O-O Bxd3 17. cxd3 Qxd1 18. Rfxd1 {½-½ (41) Sutovsky,E (2622)-Kovalenko,I (2667) Poikovsky 2016}) 15. Bb5 Qe4+ 16. Be2 $1 Nd7 17. O-O Nxe5 18. Nxe5 Qxe5 19. Bf3 Rd8 20. c3 Kg8 21. Qa4 Ng6 22. Bd1 Kh7 23. Re1 Qf6 24. Qxa7 c4 (24... Rc8 $11) 25. Bc2 Ra8 26. Qc5 Rhc8 27. Qd6 Rd8 28. Qf4 Qxf4 29. Bxf4 Rxa3 30. Be5 h5 31. Bd4 Kh6 32. Be3+ Kh7 33. Bd4 Kh6 34. Be3+ Kh7 35. Rbc1 Kg8 36. Bxg6 fxg6 37. Bd4 Bf5 38. Re7 Rd7 {The position is equal.} 39. Re8+ Kf7 40. Rb8 {And now Bc5 would win.} Rb3 41. Ra8 g5 42. h3 {Precision: White = 66%, Black = 59%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Moussard, Jules"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2576"]
[BlackElo "2651"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,145,30,-12,17,-19,2,-11,0,-5,-14,-16,0,-11,6,1,6,7,9,0,0,0,0,0,0,0,0,-42,-39,-31,-39,-39,-48,-94,-104,-96,-70,-77,-66,-72,-74,-72,-66,-78,-78,-77,-73,-76,-76,-78,-76,-78,-80,-82,-78,-93,-92,-88,-87,-104,-109,-110,-105,-167,-189,-194,-143,-129,-142,-129,-32,-32,-32,-32,-32,-52,-52,-49,-29,-27,-28,-89,-83,-70,-82,-81,-91,-124,-133,-149,-147,-131,-123,-170,-170,-168,-152,-413,-411,-435,-477,-447,-477,-468,-440,-470,-457,-449,-449,-428,-378,-380,-377,-374,-363,-410,-411,-480,-297,-363,-355,-338,-334,-323,-318,-1027,-791,-775,-767,-752,-609,-29972,-29972,-29981,-29978,-29989]} 1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. e3 e5 (4... c6 5. h3 Bxf3 6. Qxf3 Ngf6 7. c4 e6 8. Nc3 Bb4 9. Qd1 O-O 10. Be2 e5 11. cxd5 cxd5 12. O-O a6 13. a3 Bd6 14. b4 Re8 15. Rc1 Nf8 {1-0 (42) Korobov,A (2652)-Andreikin,D (2712) Huaian 2017}) 5. h3 Bxf3 6. Qxf3 {A06: Réti Opening:1 Nf3 d5} Ngf6 7. d3 {LiveBook: 11 Games} Bd6 8. Qd1 $146 {The position is equal.} ({Predecessor:} 8. Nd2 O-O 9. g4 c6 10. h4 Qe7 11. g5 Ne8 {½-½ (61) Pingitzer,H (2399)-Petschar,K (2272) Oberwart 2003}) 8... Qe7 9. Nd2 Ba3 10. Bxa3 Qxa3 11. g3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 12. Bg2 a4 13. O-O O-O 14. Qc1 Qd6 15. c4 c6 16. bxa4 Rxa4 17. Qb2 Nc5 18. cxd5 cxd5 19. d4 exd4 20. exd4 Ne6 $36 {[%cal Bc5e6,Be6d4,Bd4e2][%mdl 2080] White is under pressure.} 21. Rab1 Nxd4 22. Rfd1 Ne2+ 23. Kh2 Qc5 24. Rf1 Nc3 25. Rbc1 Rc8 26. Qxb7 Rxa2 27. Nb3 Qc7 28. Qxc7 Rxc7 29. Ra1 g6 30. Rxa2 Nxa2 31. Nd4 Nc3 32. Ra1 Kg7 33. Bf1 Rb7 34. Rc1 Nce4 35. Kg2 Rb4 36. Ne2 Rb2 37. Rc8 (37. Kg1 $17) 37... Rd2 $19 38. f3 Nd6 (38... Ng5 $19 39. Rd8 Ne6) 39. Rd8 $17 Nf5 40. Kf2 g5 (40... Ra2 $17 41. Ke1 Ne3) 41. g4 $15 Nh4 42. Ke3 Ra2 {aiming for ...Ra3+.} 43. Nd4 Ra1 44. Ke2 h5 45. Rd6 Ra3 46. Rb6 {[#]} (46. Rd8 $11) 46... hxg4 $1 $17 47. hxg4 Ng8 48. Kf2 Ne7 49. Be2 Neg6 50. Ra6 Rxa6 51. Bxa6 {[%mdl 4096] Endgame KBN-KNN} Kf6 52. Ke3 Ke5 53. Nc6+ Kd6 54. Nd8 $2 (54. Na5 $17) 54... Ne5 $19 55. f4 Ng2+ 56. Kd4 Nxf4 57. Nb7+ Ke6 58. Nc5+ Kf6 59. Bc8 Nc6+ 60. Ke3 Ke7 61. Bf5 Kd6 62. Nb7+ Ke5 63. Nc5 d4+ 64. Kf3 Ne7 65. Bb1 Neg6 66. Nd7+ Kd6 67. Nf6 {intending Ne4+.} Ke6 68. Nh7 $2 {[#]} (68. Ne4 Ne5+ 69. Kg3) 68... f6 $1 {[%cal Bf7f6,Bf6g5][%mdl 32]} 69. Ke4 d3 70. Ba2+ Ke7 71. Nxg5 fxg5 72. Kf5 {[#]} Ne6 $1 73. Ke4 {Precision: White = 50%, Black = 80%.} (73. Bxe6 Nh4+) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Mikhalevski, Victor"]
[Black "Schmidek, Emil"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2557"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,69,37,22,72,61,93,92,159,41,43,21,28,32,80,76,91,75,87,71,97,101,99,118,240,242,702,708,739,720,745,723,768,754,812,800,790,718,979,961,937,948,1012,992,29992,29993,29996,29997,29997,29998,29998,29999]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. Bf4 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} Be6 8. Qa3 Nc6 (8... c5 9. Qxc5 Nc6 10. e4 Nxd4 11. Nxd4 Bxd4 12. Bb5+ Kf8 13. Qa3 a6 14. Be2 Nd7 {1-0 (57) Banusz,T (2616)-Sutovsky,E (2689) Austria 2017}) 9. e3 O-O 10. Be2 a5 11. Qc5 {LiveBook: 20 Games} Nd7 12. Qg5 $1 Nb4 {And now ...Nc2+ would win.} 13. O-O h6 $146 (13... c6 $142) ({Predecessor:} 13... Nf6 14. Qh4 h5 {1-0 (74) Moskalenko,A (2490)-Drygalov,A (2318) St Petersburg 2016}) 14. Qg3 (14. Qh4 $1 $16) 14... c6 $14 15. Bc7 Qc8 16. e4 $36 {[%mdl 2048] White is more active.} Nf6 {...Nh5 is the strong threat.} 17. h3 $1 b5 {[#]} 18. Be5 $1 Rd8 19. Rfd1 Na6 20. d5 cxd5 21. exd5 (21. Bxb5 dxe4 22. Rxd8+ Qxd8 $11) 21... Bd7 {[#]} (21... Nxd5 $16 {was necessary.} 22. Bxg7 (22. Nxb5 Nf6 $16) (22. Bxb5 Nxc3 23. Rxd8+ Qxd8 $11) 22... Kxg7) 22. d6 $1 $18 {[%cal Rd6e7]} (22. Nxb5 Qb7 $16) 22... exd6 $2 (22... Re8 23. dxe7 (23. Nxb5 Nc5 $18) (23. Bxb5 Bxb5 24. Nxb5 Qb7 $16) 23... Rxe7) 23. Bxf6 Bxf6 24. Nd5 Kg7 25. Rac1 Qb7 26. Nxf6 Kxf6 27. Rxd6+ Kg7 28. Rcd1 Qc7 29. Qe5+ Kg8 30. Qf6 Nc5 31. Ne5 Rf8 {[#]} 32. Nxg6 $1 {[%mdl 512] White mates.} fxg6 33. Qxg6+ Kh8 34. Qxh6+ Kg8 35. Qg5+ {Precision: White = 65%, Black = 25%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Santos Latasa, Jaime"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2549"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,39,39,44,43,43,25,35,33,30,38,34,27,29,19,22,11,17,28,43,36,44,37,106,112,105,104,87,34,40,33,35,35,36,36,36,37,36,38,34,20,20,20,20,20,20,12,7,0,28]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O Bg4 8. cxd5 cxd5 9. Qb3 Bc8 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} (9... b6 10. h3 Bc8 11. Bd2 Nc6 12. Rfc1 Bb7 13. a4 Rc8 14. a5 Ne4 15. axb6 axb6 16. Na4 e5 17. Qxb6 Rb8 18. Rxc6 Bxc6 19. Qxc6 exd4 20. exd4 Nxd2 21. Nxd2 Bxd4 {0-1 (31) Dreev,A (2660)-Artemiev,V (2663) Sochi 2016}) 10. Ne5 e6 11. Bd2 {LiveBook: 12 Games} Ne8 {White is slightly better.} 12. Rfc1 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Rac1 f6 13. Nf3 Nd6 14. Nb5 Nc6 15. Nxd6 Qxd6 16. Bb5 Rf7 17. Bxc6 bxc6 {1-0 (46) Shishkin,V (2478)-Janocha,W (2333) Krakow 1999}) 12... f6 13. Nf3 Nd6 14. Nb5 Nc6 15. Nxd6 Qxd6 16. Bb5 {Black must now prevent Bxc6.} Rf7 17. Bxc6 bxc6 18. Bb4 $36 {[%mdl 2048] White has good play.} Qc7 19. Qa3 Qb6 20. Bc5 Qb5 21. Rc3 Rb7 ({Black should play} 21... Qa6 $14) 22. Rb3 $16 Qe2 23. Re1 Rxb3 {[#]} 24. Qxb3 ({Much weaker is} 24. Rxe2 $6 Rxa3 25. Bxa3 e5 $11) (24. Qa5 $1 $16 {[%cal Ra5d8] Threatening mate with Qd8+.} Qxe1+ 25. Nxe1) 24... Qb5 $14 25. Qc2 e5 26. dxe5 fxe5 27. Bd6 Bf5 28. Qc3 e4 29. Nd4 Qc4 30. Qxc4 dxc4 {The position is equal.} 31. Rc1 Bxd4 32. exd4 Rd8 33. Be5 Be6 34. Kf1 Rd7 {Precision: White = 67%, Black = 64%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Danin, Alexandre"]
[Black "Engel, Luis"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2540"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,-8,-31,12,14,30,26,30,43,81,58,78,88,93,105,97,97,95,95,97,102,98,97,100,92,97,84,101,113,96,104,104,104,116,46,48,47,53,25,25,7,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Nc5 9. Qf3 Qc7 10. f5 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5} Be7 11. Be3 O-O 12. g4 {LiveBook: 8 Games} d5 13. exd5 {next g5 is good for White.} Nxb3 14. axb3 {[%cal Rd5e6]} Nxd5 15. Nxd5 Bh4+ $146 ({Find the theoretical novelty and annotate with similar games:} 15... exd5 16. O-O Re8 17. Rae1 Bd6 18. Bf4 {1-0 (55) Danin,A (2575)-Wisnet,D (2282) Wunsiedel 2015}) 16. Kd2 exd5 17. g5 $1 {Strongly threatening Qg4.} ({Much worse is} 17. Qxd5 Re8 $15) 17... Re8 18. Rag1 $1 {[%cal Rg1g4]} Re4 {[#]} 19. Rg4 $1 {[%cal Rg4e4]} Qe5 20. Rxe4 Qxe4 21. Rg1 {Qxe4 is the strong threat.} f6 22. g6 hxg6 {[%cal Rc8f5] [#] And now ...Bxf5 would win.} 23. Qxe4 $1 dxe4 24. Rxg6 Kf8 25. Ke2 a5 26. Rg4 g5 27. Rxe4 Kf7 28. Bf2 ({Better is} 28. Bd2 $16) 28... Bxf2 $14 29. Kxf2 {[%mdl 4096] Endgame KRB-KRN} a4 30. bxa4 Rxa4 31. h4 Ra5 {The position is equal.} 32. hxg5 fxg5 33. Kg3 (33. f6 {NOTEXT} Rd5 34. c3 Bd7 35. Re7+ Kxf6 36. Rh7) 33... Bxf5 34. Nxf5 (34. Re3 {NOTEXT} Bd7 35. Re2 Kf6 36. Rf2+ Bf5 37. c4) 34... Rxf5 $11 {KR-KR} 35. Kg4 Rc5 36. c3 Kf6 37. Rd4 b5 38. Rd6+ Ke5 39. Rd4 Kf6 {aiming for ...Rc4.} 40. Rd6+ Ke5 41. Rd4 {Precision: White = 67%, Black = 81%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kuljasevic, Davorin"]
[Black "Parvanyan, Ashot"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2538"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,144,45,41,58,47,50,50,52,39,56,58,58,53,85,81,146,68,191,172,280,280,280,272,262,275,279,180,193,125,125,106,125,125,125,84,79,77,125,125,125,126,126,126,126,126,127,87,120,120,120,120,120,120,120,120,120,120,120,0,120,120,120,119,120,113,134,80,120,95,109,75,120,120,136,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,181,143,143,137,137,137,137,136,136,136,136,136,153,145,173,143,181,181,181,129,181,146,181,150,181,181,181]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 c5 7. O-O Nc6 8. d5 Na5 9. Nd2 a6 10. Rb1 Rb8 11. Qc2 b5 12. b3 h5 13. Bb2 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} Bf5 14. e4 Bd7 15. Ne2 e5 16. h3 {LiveBook: 9 Games} Nh7 17. f4 Re8 $146 ({Predecessor:} 17... bxc4 18. bxc4 Rxb2 19. Rxb2 exf4 20. gxf4 Qc8 21. Kh2 Bxb2 22. Qxb2 Qc7 23. Rb1 Rd8 24. f5 Bc8 25. Nf4 Nf8 26. Qf6 Re8 27. Nxh5 gxh5 28. Qg5+ {1-0 (28) Rychagov,A (2562)-Rozum,I (2472) Dagomys 2010}) 18. Bc3 Nb7 19. Kh2 b4 20. Bb2 a5 21. a4 Qe7 22. Rbe1 Rf8 (22... h4 $142) 23. Nc1 (23. Nf3 $16) 23... Nd8 ({Black should play} 23... h4 $1 $14) 24. Nd3 Be8 (24... f6 $142 25. Qd1 Be8) 25. Nf3 $1 $18 {[%cal Bd2f3,Bf3h4,Bh4f5][%mdl 32]} f6 26. Nh4 $1 g5 27. Nf5 Qd7 28. fxe5 fxe5 {[#]} 29. Rf2 (29. Bf3 $1 $18) 29... Bg6 $16 30. Ref1 Nf7 {[#]} 31. Qe2 $1 Rbe8 32. Bc1 Nh6 {[%cal Rg6f5]} 33. g4 h4 34. Be3 Rc8 35. Kh1 Nf7 36. Qd2 Qd8 37. Ne1 Bf6 38. Bf3 {[%cal Bg2f3,Bf3e2,Be2d3,Bd3c2][%mdl 32]} Kh8 39. Be2 Kg8 40. Bd3 Kh8 41. Qe2 Kg8 42. Kg1 Kh8 43. Rg2 Kg8 44. Rgf2 Kh8 $1 45. Bc2 Kg8 46. Nd3 Kh8 47. Rg2 Kg8 48. Rf3 ({Better is} 48. Ne1) 48... Kh8 49. Kf1 {[%cal Bg1f1,Bf1e1,Be1d1,Bd1c1,Bc1b1][%mdl 32]} Kg8 50. Ke1 Kh8 51. Kd1 Kg8 52. Kc1 Kh8 53. Qf2 Be7 54. Rg1 Kg8 55. Kb1 Kh8 56. Rf1 Kg8 57. Bc1 Kh8 58. Ne1 Kg8 59. Ng2 Kh8 60. Be3 Kg8 61. Qe1 Bf6 62. Bf2 Kh8 63. Qe2 Kg8 64. Be1 Be7 65. R1f2 Kh8 66. Qf1 Kg8 67. Bd2 Kh8 68. Nxe7 Qxe7 69. Ne3 (69. Qc1 $18) 69... Kg8 (69... Nh6 $16 {keeps fighting.} 70. Nf5 Bxf5) 70. Nf5 {White is clearly better.} Qd8 71. Be3 Qd7 72. Qc1 Qd8 {Precision: White = 58%, Black = 53%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kollars, Dmitrij"]
[Black "Ondersteijn, Niels"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2534"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,93,100,58,60,46,81,37,37,39,37,34,37,33,35,36,45,47,51,5,1,0,0,0,192,191,187,185,196,177,177,191,184,166,166,164,176,176,172,171,193,194,195,193,216,204,244,252,244,239,299,277,342,331,471,457,495,507,515,476,499,494,679,679,897,883,2426,2223]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. O-O-O Nc6 9. f3 Nxd4 10. Bxd4 Be6 11. Kb1 c5 {C41: Philidor Defence} (11... Re8 12. g4 c5 13. Bf2 Qa5 14. Nd5 Qa4 15. Nc3 Qa5 16. Nd5 Qa4 17. Nc3 {½-½ (17) Vachier Lagrave,M (2711)-Vorotnikov,V (2464) Basel 2013}) 12. Be3 Qa5 13. Nd5 Qa4 14. Nc3 Qa5 15. h4 {LiveBook: 5 Games} Rfd8 16. Bg5 $146 ({Predecessor:} 16. Bh6 d5 17. Bxg7 Kxg7 18. e5 Nh5 19. Ne2 Qxd2 20. Rxd2 f5 21. exf6+ Nxf6 {0-1 (56) Konguvel,P (2319)-Panchanathan,M (2564) Ranshofen 2012}) 16... Rd7 17. Bxf6 Bxf6 18. Nd5 Qxd2 {[%cal Rd2d1] [#]} 19. Nxf6+ Kg7 {[%cal Rd2d1]} 20. Nh5+ gxh5 {[%cal Rd2d1]} 21. Rxd2 d5 22. Bb5 Rd6 23. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} d4 24. f5 $36 {[%mdl 2048] White is more active.} Bd7 $1 {[%cal Rd7b5]} 25. e5 {[%cal Be4e5,Be5d6][%mdl 32]} Bxb5 $2 (25... Rd5 $11 {and Black has nothing to worry.} 26. f6+ Kh6 27. Bxd7 Rxd7) 26. exd6 $11 {[%mdl 4096] Endgame KRR-KRB} Rd8 27. f6+ Kxf6 28. Rf2+ Kg6 29. Re1 Rxd6 30. Re5 d3 {[#] aiming for ...d2.} 31. Kc1 dxc2 32. Rxc5 Bc6 {intending ...Be4.} 33. Rfxc2 f5 34. g3 Rf6 35. Rd2 Be4 36. Rd4 Re6 37. Rc8 Bc6 38. Rf8 Be4 39. Rfd8 f4 40. gxf4 Kf5 (40... Bc6 {was necessary.} 41. Rg8+ Kf6) 41. Rf8+ $18 {White is clearly winning.} Kg4 42. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32]} Rc6+ 43. Kd1 Kf3 44. f6 Bg6 45. Rd7 Ke3 46. f7 Be4 47. Re8 {Precision: White = 76%, Black = 53%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Burmakin, Vladimir"]
[Black "Martin, Julian"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2522"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,76,22,-12,-14,-24,0,0,0,0,0,-33,-35,-33,0,-8,-6,0,4,6,20,8,30,36,32,14,11,20,18,8,5,5,16,10,13,6,8,7,10,18,18,8,6,0,22,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. a4 {A13: English Opening: 1...e6} a6 9. O-O Nbd7 10. d3 Be7 11. Nc3 Rc8 (11... O-O 12. e4 h6 13. h3 Rc8 14. Rd1 Qb6 15. Be3 c5 16. axb5 axb5 {½-½ (28) Sargissian,G (2677)-Xu,Y (2538) Moscow 2018}) 12. Nd2 {LiveBook: 3 Games} Qb6 13. Nde4 $146 ({Predecessor:} 13. Nb3 c5 14. Bxb7 Qxb7 15. axb5 axb5 16. Na5 {1-0 (73) Baramidze,D (2554)-Van Ketel,R (2285) Deizisau 2011}) 13... Nxe4 14. Nxe4 c5 15. Be3 f5 16. Nc3 Bxg2 17. Kxg2 O-O 18. axb5 axb5 19. Qb3 b4 20. Nb1 Ra8 21. Nd2 Kf7 22. f3 Qc6 23. Bf2 Rxa1 {The position is equal.} 24. Rxa1 Ra8 25. Rxa8 Qxa8 26. e4 fxe4 27. dxe4 g5 28. Nc4 Qb8 29. f4 {White wants to play f5.} gxf4 30. Qf3 Nf6 31. gxf4 Qa8 32. e5 Nd5 33. Kh3 Qa1 {[#] ...Qf1+ is the strong threat.} 34. Nd6+ ({Much weaker is} 34. Qh5+ Kf8 $17) 34... Bxd6 $1 35. Qh5+ Kg7 36. Qg5+ Kf7 37. Qh5+ $1 Kg7 38. Qg5+ Kf7 {Precision: White = 62%, Black = 62%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Schlosser, Philipp"]
[Black "Baenziger, Fabian"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2510"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,66,48,56,9,30,0,7,0,16,0,0,0,30,31,49,47,35,45,90,106,88,76,152,135,121,19,19,26,27,39,45,0,0,0,0,0,0,0,0,-186,-185,-358,-366]} 1. c4 Nf6 2. Nc3 d6 3. d4 g6 4. e4 Bg7 5. Nf3 O-O 6. h3 e5 7. d5 a5 8. Be3 Na6 9. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nc5 10. Nd2 c6 11. Be2 Bd7 12. g5 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} (12. h4 cxd5 13. cxd5 Rc8 14. g5 Nh5 15. Bxc5 Rxc5 16. Bxh5 gxh5 17. Qxh5 b5 18. a4 bxa4 19. Qd1 Qc7 20. Nxa4 {0-1 (45) Grischuk,A (2751)-Naiditsch,A (2686) Novi Sad 2016}) 12... Ne8 13. h4 cxd5 {LiveBook: 8 Games} 14. exd5 {White is slightly better.} f5 15. gxf6 Nxf6 16. h5 Bf5 $146 ({Predecessor:} 16... gxh5 17. Bxc5 dxc5 18. Qc2 e4 19. Ndxe4 Nxe4 20. Nxe4 {1-0 (53) Peralta,F (2574)-Konguvel,P (2417) Sitges 2016}) 17. hxg6 Bxg6 18. Rg1 Qd7 19. Nf3 {Threatens to win with Nxe5!} Ng4 20. Bxc5 $1 dxc5 21. d6 $1 {[%cal Bd5d6,Bd6d7][%mdl 32]} Rae8 22. Qd5+ $1 Kh8 {White must now prevent ...e4.} 23. Qxc5 Nxf2 (23... Bc2 $142) 24. Rxg6 $1 $16 (24. Kxf2 e4 $15) 24... e4 25. Rxg7 (25. Nh4 $16) 25... Qxg7 $11 26. d7 $1 {[%cal Rd7e8]} ({But not} 26. Kxf2 $2 exf3 27. Rg1 fxe2+ 28. Ke1 Re5 $19) (26. Ng5 $2 Nd3+ 27. Bxd3 exd3+ 28. Kd2 Re5 $19) 26... Rd8 {[%cal Be8d8,Bd8d7,Bd7e7][%mdl 32]} 27. Qxf2 exf3 28. Bxf3 {0-0-0 is the strong threat.} Rxd7 {aiming for ...Qe5+.} 29. Rd1 $1 {[%cal Rd1d7] And now Rxd7 would win.} Re7+ 30. Kf1 Ref7 31. Rd3 Qe5 32. b3 $2 {[#]} (32. Nd5 $11 {and White stays safe.}) 32... Rf6 $1 $19 {[%mdl 1024] Black has strong compensation.} 33. Ne2 $2 {[#]} (33. Qg2 {was called for.}) 33... Qf5 $1 {Precision: White = 48%, Black = 70%.} ({Weaker is} 33... Qa1+ 34. Kg2 $11) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kanarek, Marcel"]
[Black "Hilverda, Alexander"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2506"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,145,18,45,16,21,0,0,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,19,28,27,32,19,0,0,0,0,-14,0,-12,-12,-13,-12,-43,-10,-24,0,0,0,-10,0,-95,0,0,0,0,0,0,27,26,88,90,104,54,75,37,51,51,52,35,33,32,39,6,43,55,249,226,164,70,69,0,44,43,44,48,45,45,50,8,56,56,62,8,44,8,37,37,38,8,143,143,1226,1121,1145,882,29974,29975,29976,29974,29972,29974,29979,29979,29979,29980,29947,6123]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 exd4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 17. cxd4 c5 18. d5 Bg7 {LiveBook: 4 Games. The position is equal.} 19. b3 (19. Bf4 Nb6 20. Qc1 Kh7 21. Rb1 Rc8 22. a3 a5 23. b3 Ba6 24. Qd2 {0-1 (69) Swiercz,D (2637)-Amin,B (2672) Martuni 2017}) 19... a5 $146 ({Find the theoretical novelty and annotate with similar games:} 19... Nh7 20. Rc1 h5 21. Bd3 Rc8 22. Bf4 Nb6 23. h4 Nf6 {0-1 (107) Ratkovich,I (2249)-Grib,R (2415) Minsk 2017}) 20. a4 b4 21. Bf4 Nxd5 22. exd5 Rxe1+ 23. Qxe1 (23. Nxe1 $2 {too greedy.} Qf6 $19) 23... Qf6 24. Rd1 {aiming for Qd2.} Qxf4 25. Qe7 Bc8 26. Qe8+ Nf8 {With the idea ...Bf5.} 27. Ne4 Bb7 28. Qe7 Ba6 29. Nxd6 Be2 30. Qxe2 Qxd6 31. Bd3 Ra7 32. Bb5 Re7 33. Qd3 Bc3 34. Bc6 Kg7 35. g3 Nh7 36. Rc1 Nf6 37. Kg2 Rc7 38. Qc4 Kh7 39. Ng1 Nd7 {And now ...Ne5 would win.} 40. Ne2 (40. Qf4 $11 Ne5 41. Nf3) 40... Nb6 ({Black should try} 40... Ne5 $17 41. Qb5 Rxc6 42. dxc6 Qd5+ 43. Kg1 Nf3+ 44. Kf1 Nd2+ 45. Kg1 Nf3+ 46. Kf1 Nd2+ 47. Kg1 Nf3+) 41. Qf4 $11 Be5 $1 {[%cal Re5f4]} 42. Qe3 (42. Qe4 {NOTEXT} Rc8 43. Qe3 Nxd5 44. Qxc5 Ne7 45. Qxd6 Bxd6 46. Bb5) 42... Nxd5 43. Qxc5 Qxc5 44. Rxc5 Nc3 (44... Ne7 $11 {keeps the balance.} 45. Rxe5 Nxc6) 45. Rxa5 $16 Bxg3 46. Nd4 Bh4 {...Bf6 is the strong threat.} 47. Ra6 Bf6 48. Nb5 Re7 49. Bf3 Kg7 50. Nd6 Bd4 51. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Re6 {White must now prevent ...Bc5.} 52. Rc6 Be5 $2 (52... Re5 $14) 53. a6 $1 $18 {[%cal Ra6a7]} Bd4 54. Nc8 (54. Bg4 $18 Re5 55. Rc7) 54... Nb5 $14 55. Bd5 (55. Rxe6 $14 fxe6 56. Kf1) 55... Rxc6 (55... Re2 {NOTEXT} 56. Nd6 Rxf2+ 57. Kg3 Nc3 58. Bc4 h5) 56. Bxc6 Na7 57. Nxa7 Bxa7 {[%mdl 4096] Endgame KB-KB} 58. Kf3 Kf6 59. Ke4 Ke6 60. Bd5+ Ke7 61. Kd3 ({White should play} 61. f3 $14) 61... f5 62. Kc4 Kd6 63. Bf7 g5 64. Bg6 g4 (64... Bxf2 $11 65. Bxf5 Kc6) 65. Bxf5 $16 gxh3 $2 {[%mdl 8192]} (65... Kc7 $16) 66. f4 $1 $18 {[%cal Bf2f4,Bf4f5][%mdl 32]} h2 67. Be4 Kc7 68. f5 {White mates.} Kd6 69. Kxb4 Ke5 70. Bh1 Kxf5 {[#]} 71. Kb5 $1 Ke5 {[#]} 72. Kc6 $1 Kd4 73. Kb7 {Precision: White = 49%, Black = 30%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Lobron, Eric"]
[Black "Vijayalakshmi, Subbaraman"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2503"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,68,71,123,102,116,124,128,114,132,104,106,100,176,186,252,240,242,242,235,215,370,377,442,438,427,424,424,416,462,471,458,453,536,541,535,531,518,505,560,559,547,545,581,574,591,591,786,757,712,697,918,916,864,854]} 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 c5 {A41: 1 d4 d6: Tartakower System and Modern Defence} (7... Nf6 8. f3 c6 9. Bh6 e6 10. Qd2 Qb6 11. Na4 Qc7 12. Rc1 Bd7 13. Bd3 Qd8 14. Nc3 Nh5 15. g3 exd5 16. cxd5 {0-1 (32) Kozul,Z (2613)-Onischuk,V (2601) Doha 2016}) 8. Bd3 {LiveBook: 8 Games} Nf6 ({Better is} 8... e6) 9. f4 $146 ({Predecessor:} 9. h3 Bd7 10. Ne2 Nh5 11. g4 Ng7 12. f4 Bd4 13. Nxd4 cxd4 14. O-O {1-0 (73) Draxler,G-Neugebauer,J Bad Laasphe 1994}) 9... Bd4 {White is better.} 10. Nb5 e5 11. Nxd4 exd4 12. O-O O-O 13. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Ng4 {[#]} (13... Ne8 $16) 14. e6 $1 $18 Qh4 (14... f5 {was called for.} 15. Qe2 Qe7) 15. h3 Ne3 16. Bxe3 $1 dxe3 17. f5 gxf5 $2 {[#]} (17... b5) 18. Rxf5 Bxe6 19. dxe6 fxe6 20. Qh5 Qxh5 21. Rxh5 b5 22. b3 {White is clearly winning.} bxc4 23. bxc4 d5 24. cxd5 exd5 25. Rxd5 Rad8 26. Bc4 Rxd5 27. Bxd5+ {[%mdl 4096] Endgame KRB-KR} Kg7 28. Rc1 Rf5 29. Bf3 Kf6 30. Kf1 h5 31. Ke2 Re5 32. Rc3 h4 33. Rc4 Kg5 34. Rg4+ {Precision: White = 98%, Black = 33%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Korpa, Bence"]
[Black "Keinanen, Toivo"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2502"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,80,2,0,13,0,0,0,0,0,0,0,31,0,0,0,0,0,0,-52,-16,-15,-37,-92,-103,-119,0,-58,-3,-212,-154,-120,-154,-129,-102,-104,-118,-277,-68,-78,-42,-59,-51,-38,-20,-72,-70,-89,-72,-96,-79,-64,-60,-409,-402,-394,-301,-485,-485,-432,-315,-327,-324]} 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 dxc4 7. Qc2 a5 {E04: Open Catalan: 5 Nf3} 8. a3 Bxd2+ 9. Bxd2 b5 10. a4 c6 11. e4 {LiveBook: 3 Games} Na6 (11... e5 12. dxe5 Nfd7 13. Be3 Na6 14. O-O Ndc5 15. Rfd1 {½-½ (23) Tomashevsky,E (2702)-Ding,L (2774) Palma de Mallorca 2017}) 12. e5 $146 {axb5 is the strong threat.} ({Predecessor:} 12. axb5 cxb5 13. e5 Nd5 14. Ng5 g6 15. O-O {1-0 (35) Shevchenko,K (2547)-Beliavsky,A (2542) Kiev 2017}) 12... Nd5 $1 {aiming for ...Nab4.} 13. Ng5 {[%csl Gg5][%cal Rc2h7]} g6 14. O-O Nab4 15. Qe4 h6 16. Nh3 Kg7 17. axb5 Bb7 18. b6 Qxb6 19. Ra4 (19. Nf4 $11) 19... c5 20. dxc5 Qxc5 21. Rc1 (21. Qh4 $1 $15 Rh8 22. Nf4) 21... Rac8 $17 22. Ra3 {[#]} Ba8 (22... c3 $1 $17 {[%mdl 512]} 23. bxc3 Nd3 $1 {[%mdl 512]}) 23. Rca1 {[#]} ({White should play} 23. Qh4 $1 $11 Rh8 24. Rca1) 23... Nc6 (23... c3 $1 $15 {[%mdl 512]} 24. bxc3 Nxc3) 24. Bxa5 $2 (24. Qh4 $1 $11 Rh8 25. Nf4) 24... Nxa5 25. Rxa5 Qb6 26. Qe2 c3 27. bxc3 Nxc3 28. Qg4 $2 {[#]} (28. Qa6 $17 Qd4 29. Qa7 Ne2+ 30. Kh1) 28... Bxg2 $2 (28... h5 $1 $19 {[%cal Rh5g4]} 29. Qg5 Bxg2 30. Kxg2 Qb7+ 31. f3 Qb2+ 32. Kh1 Qe2) 29. Kxg2 $15 Qb7+ (29... Rc5 {is more complex.} 30. Rxc5 Qxc5 31. Re1 Qc6+ 32. Kg1 Ra8) 30. Qf3 Qxf3+ 31. Kxf3 Nd5 32. Ra7 (32. Nf4 $11 {remains equal.}) 32... g5 $17 33. Ng1 Rc2 34. R1a3 Rb8 {Strongly threatening ...Rbb2.} 35. Ra2 Rb3+ 36. Kg4 $2 {[%mdl 8192]} ({Only move:} 36. Kg2 $15 Ne3+ 37. Kh3 Rxa2 38. Rxa2) 36... Rc4+ $19 37. Kh5 Re4 38. R7a4 $2 (38. f4) 38... Rxe5 {[%cal Rd5f6]} 39. Kg4 f5+ 40. Kh3 Nf4+ {[%mdl 32768] Precision: White = 22%, Black = 49%. . Loss on Time!?} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Bellahcene, Bilel"]
[Black "Freeke, Matthieu"]
[Result "1/2-1/2"]
[ECO "C20"]
[WhiteElo "2488"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,-16,-27,-28,-31,-30,-27,-6,-56,-52,-57,-52,-59,-53,-72,-66,-65,-63,-84,-84,-85,-86,-94,-71,-108,-21,-35,-58,-85,-79,-80,-3,-106,-104,-120,-121,-145,-134,-153,-153,-158,-154,-162,-162,-162,-162,-164,-164,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-150,-160,0]} 1. e4 e5 2. Qh5 Nc6 3. Bc4 g6 4. Qf3 Nf6 5. Ne2 Bg7 6. d3 {LiveBook: 7 Games. C20: 1 e4 e5: Unusual White second moves} d6 7. Nbc3 Nb4 $146 ({Predecessor:} 7... Bg4 8. Qg3 Qd7 9. f3 Be6 10. Bg5 Nh5 11. Qh4 h6 {0-1 (87) Nakamura,H (2657)-Sasikiran,K (2642) Malmo/Copenhagen 2005}) 8. Bb3 {Black has an edge.} Be6 {Threatens to win with ...Bxb3.} 9. Ba4+ c6 {[%cal Bc7c6,Bc6d5][%mdl 32]} 10. a3 Na6 11. b4 O-O $36 {[%mdl 2048] Black has the initiative.} 12. Rb1 Nc7 13. O-O d5 {Hoping for ...d4.} 14. exd5 cxd5 15. d4 e4 16. Qf4 Rc8 17. h3 h5 (17... h6 $17) 18. Qg3 Nh7 19. Bf4 h4 20. Qe3 Ne8 (20... Na8 $17) 21. Bh2 (21. Bb3 $11 {remains equal.}) 21... Nd6 $17 22. Bb3 {[#]} Nc4 $1 {[%cal Rc4e3]} 23. Qc1 f5 {Black is clearly better.} 24. f4 Nf6 {[%cal Bh7f6,Bf6e8,Be8d6][%mdl 32]} 25. Nd1 Ne8 26. Bxc4 Rxc4 27. c3 Nd6 28. Ne3 Rc7 29. Kh1 Bf6 30. Bg1 Kf7 31. a4 Nc4 32. Nxc4 Rxc4 ({Much worse is} 32... dxc4 $6 {[#]} 33. d5 $1 $15 {[%mdl 512]}) 33. Be3 Qd7 34. Ra1 Rfc8 35. Qb2 Be7 36. Rg1 R4c7 37. Ra2 Rc4 $2 {Precision: White = 45%, Black = 67%.} (37... Qc6 $17 38. Qb3 Qc4 39. Qxc4 Rxc4) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kevlishvili, Robby"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2472"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,139,60,21,76,66,77,66,66,54,45,0,60,74,108,71,102,101,113,100,156,162,145,109,119,115,114,129,109,126,192,188,243,208,205,94,96,104,123,117,113,47,20,29,66,72,62,49,80,33,33,31,42,34,41,25,45,45,45,13,13,0,59,0,0,0,0,0,0,-81,-28,-46,-41,-34,-31,-29,-32,-55,-62,-118,-121,-130,-121,-112,-110,-133,-131,-133,-112,-133,-137,-135,-88,-86,-73,-161,-164,-165,-174,-137,-87,-167,-131,-178,-137,-158,-160,-155,-164,-166,-156,-158,-150,-169,-169,-307,-299,-284,-214,-167,-20,-21,-19,-273,0,-28,-29,-31,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] LiveBook: 6 Games. B41: Sicilian: Kan Variation: 5 c4} (7. Bd3 Be7 8. O-O Nc6 9. Be3 O-O 10. Rc1 Bd7 11. Qe2 Rc8 12. f4 Nxd4 13. Bxd4 e5 14. fxe5 dxe5 15. Bxe5 Ng4 16. Bf4 Bc5+ 17. Kh1 Qh4 {1-0 (81) Jakovenko,D (2710)-Sarana,A (2541) Sochi 2017}) 7... Nc6 (7... e5 $11 8. Nf5 Nc6) 8. g5 $16 Nd7 9. Be3 {White is better.} Be7 10. Rg1 $146 ({Predecessor:} 10. h4 Qa5 11. Qd2 Nde5 12. Be2 Nxd4 13. Bxd4 Qc7 14. Rc1 O-O {1-0 (31) Skuhala,J (2190)-Tomasic,R (2150) Croatia 2015}) 10... O-O 11. Be2 Re8 (11... Nxd4 $1 $11 12. Qxd4 b6) 12. h4 $14 g6 13. Qd2 Qa5 14. h5 Nc5 15. Rb1 {Hoping for Nxc6.} Rb8 (15... Nxd4 $142 16. Bxd4 Qd8) 16. Nc2 $36 {[%mdl 2048] White is on the roll.} Nb4 17. a3 Nxc2+ 18. Qxc2 Qc7 19. b4 Nd7 20. Rc1 Nb6 (20... b6 $16 {is a better defense.} 21. f4 Bb7) 21. Qd3 $18 Bf8 (21... Nd7 $142 22. f4 b6) 22. Rh1 Bg7 23. Bf4 (23. e5 $18 {is more deadly.}) 23... Bxc3+ $16 24. Qxc3 e5 25. Be3 Be6 26. hxg6 (26. f4 $16) 26... fxg6 $14 27. c5 dxc5 28. bxc5 Nd7 29. Bc4 Qc6 30. Bxe6+ Qxe6 31. Rd1 {[%cal Bc1d1,Bd1d6,Bd6f6][%mdl 32]} Re7 32. Qb4 Rf8 33. Rd6 Qf7 34. Rh3 Nb8 35. Rf6 Qa2 36. c6 Rff7 ({Better is} 36... Nxc6 $11 37. Rxc6 bxc6 38. Qxe7 Qb1+ 39. Ke2 Qb5+ 40. Ke1 Qb1+ 41. Kd2 Qb2+ 42. Ke1 Qb1+) 37. c7 ({White should try} 37. Rxf7 $14 Qxf7 38. cxb7 Rxb7 39. Qd6) 37... Rxc7 $11 {Threatens to win with ...Nc6.} 38. Qd6 $1 {[%cal Rd6d8] White wants to mate with Qd8+.} Qb1+ 39. Ke2 $1 {Threatening mate with Qd8+.} Qb5+ ({Don't blunder} 39... Qxe4 $2 40. Qd8+ Kg7 41. Qxb8 $18) ({Worse is} 39... Nc6 40. Rxg6+ $1 {[%mdl 512]} Rg7 41. Qe6+ Rcf7 42. Rxg7+ Kxg7 43. Rxh7+ $1 {[%mdl 512]} Kxh7 44. g6+ Kh8 45. Qe8+ Kg7 46. Qxf7+ Kh8 47. Qh7#) 40. Kf3 (40. Ke1 $1 $11 Qb1+ 41. Ke2 Qb5+ 42. Ke1) 40... Qd7 (40... Rxf6+ $17 41. gxf6 Qd7 42. f7+ Qxf7+ 43. Kg2 Qe7) 41. Kg3 Qxd6 42. Rxd6 Nc6 43. Rh1 Na5 44. Rd3 {Bb6 is the strong threat.} Nc4 45. Bc1 ({White should play} 45. Rhd1 $15) 45... Rfd7 $17 46. Rhd1 Rxd3+ 47. Rxd3 {[%mdl 4096] Endgame KRB-KRN} Kf7 48. f3 Ke6 49. Kf2 Nd6 50. Be3 Rc2+ 51. Kg3 Nc4 52. Bc5 b6 53. Bf2 (53. Bf8 $17) 53... Ra2 $1 $19 54. Rc3 b5 ({Stronger than} 54... Nxa3 55. Rc6+ Kd7 56. Rxb6 $11) 55. Bc5 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 56. Bf8 (56. Rd3 $17) 56... a4 57. Rd3 {intending Bb4.} Rb2 58. Bc5 Rb3 59. Rd8 Nxa3 {White must now prevent ...Nc4.} 60. Rd6+ Kf7 61. Rd7+ Ke8 62. Re7+ Kd8 63. Rxe5 (63. Rxh7 $142 Nc4 64. Rg7) 63... Nc4 64. Re7 a3 65. Rxh7 {[#]} b4 (65... Ne5 $1 $19 {And now ...b4 would win.} 66. Ra7 Rxf3+ 67. Kg2 Rb3 68. Be7+ Kc8 69. Ra8+ Kb7 70. Rxa3 Rxa3 71. Bxa3 Nd3) 66. Ra7 $11 Kc8 67. Kf4 $2 {[%mdl 8192] [#]} (67. Bf8 $1 $11) 67... Nb2 $2 (67... Rb1 $1 $19 {aiming for ...b3.} 68. Ra8+ Kb7) 68. Bd6 Nd3+ 69. Kg3 Ne1 70. Bxb4 {Precision: White = 40%, Black = 56%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Fedorovsky, Michael"]
[Black "Kozul, Zdenko"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2471"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,59,59,20,43,67,50,61,50,10,18,-2,0,-3,78,88,101,0,0,0,25,27,53,55,82,22,46,23,56,49,66,30,43,26,76,39,69,60,45,23,70,67,125,94,497,491,914,912,1339,1316]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 {[%cal Be2e4,Be4e5][%mdl 32]} d6 5. Be2 O-O 6. Be3 c6 7. g4 {LiveBook: 6 Games. E73: King's Indian: Averbakh Variation without 6...c5} (7. Nf3 e5 8. dxe5 dxe5 9. O-O Qe7 10. h3 Na6 11. Qc2 Nh5 12. Rfd1 Nf4 13. Bf1 Nc5 14. b4 Nce6 15. c5 a5 16. b5 Qf6 17. bxc6 bxc6 18. Rd6 Nxh3+ {1-0 (40) Carlsen,M (2832)-Guseinov,G (2645) chess.com INT 2017}) 7... d5 8. cxd5 cxd5 9. e5 {White is slightly better.} Ne4 10. f3 $146 {[%cal Bf2f3,Bf3f4,Bf4e5][%mdl 32]} ({Predecessor:} 10. h4 Nxc3 11. bxc3 f6 12. f4 Nc6 13. h5 Rf7 14. hxg6 hxg6 {1-0 (46) Ciolacu,A (1787)-Jarocka,L (1970) Mamaia 2017}) 10... Nxc3 11. bxc3 f6 12. f4 $1 fxe5 (12... g5 $11) 13. fxe5 $16 Nc6 {[#]} 14. h3 (14. h4 $1 $16) 14... Na5 15. Nf3 {[%cal Bg1f3,Bf3h4,Bh4g2,Bg2f4][%mdl 32]} Nc4 16. Bg5 Be6 17. O-O Rc8 18. Qd3 ({Better is} 18. Qe1 $16) 18... b5 19. Nh4 Qe8 20. Rxf8+ Bxf8 21. Ng2 Bf7 22. Rf1 a6 23. Bc1 Rc7 24. Nf4 {[#] e6 is the strong threat.} e6 25. g5 Nb6 26. Bd2 Na4 (26... Ba3 $14) 27. Bg4 Ba3 $2 {[%mdl 8192]} (27... Nb2 $16 28. Qf3 Bg7) 28. c4 $1 $18 {[%cal Rc4d5] White is clearly winning.} Bb2 (28... Nb2 $142 29. Qxa3 Nxc4) 29. cxd5 exd5 30. e6 {Precision: White = 46%, Black = 17%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Pavlovic, Milos"]
[Black "Landa, Konstantin"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2471"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,0,0,-8,0,0,13,11,32,28,37,0,13,9,23,-4,0,0,0,0,0,0,0,-6,0,-34,-5,-61,-50,-56,-62,-80,-59,-87,-60,-354,-343,-344,-336,-29987,-575,-29988,-29989,-29986,-29987,-29987,-29988,-29988,-5017,-29988,-2593]} 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. e3 d5 6. cxd5 exd5 7. Bb5+ c6 8. Bd3 Be7 9. O-O O-O 10. b3 {E14: Queen's Indian: Classical Variation (4 e3)} (10. Ne5 c5 11. Qf3 Nc6 12. Qh3 g6 13. Nxc6 Bxc6 14. b3 Re8 15. dxc5 bxc5 16. Bb2 Qb6 17. Rab1 Rad8 18. Rfd1 a5 {1-0 (44) Harikrishna,P (2744)-Anton Guijarro,D (2666) Riadh 2017}) 10... Nbd7 11. Bb2 Bd6 12. Re1 Re8 13. Qc2 Rc8 {LiveBook: 7 Games} 14. Rad1 Rc7 $146 ({Predecessor:} 14... Qc7) 15. Nd2 Nf8 16. e4 {e5 is the strong threat.} dxe4 17. Ndxe4 Nxe4 18. Rxe4 Rce7 19. Rxe7 Qxe7 20. Bf1 Nd7 21. g3 Nf6 22. Bg2 h6 23. h3 Bb4 24. Bf3 Qd7 25. Kh2 h5 26. Ne2 {[#]} ({White should play} 26. Qd3 $11) 26... h4 $1 $15 {[%mdl 512]} 27. gxh4 Bd6+ 28. Ng3 Nd5 $36 {[%mdl 3072] Hoping for ...Bxg3+. Black has strong compensation. Black has good play.} 29. Bc1 $1 {[#]} Bc8 $1 30. Bg4 $2 {[%mdl 8192]} (30. Bg2 $1 $15) 30... f5 $1 $19 {[%cal Rf5g4]} 31. Bh5 {[#]} f4 $1 32. Ne4 $2 (32. Nf5 $19 f3+ 33. Kg1) 32... Qxh3+ 33. Kg1 {[#]} f3 $1 {[%mdl 512]} 34. Bxf3 Qxf3 35. Nxd6 Bh3 {[%csl Gh3][%cal Rf3g2]} 36. Qg6 Qxd1+ 37. Kh2 Rf8 {Precision: White = 52%, Black = 71%.} (37... Re1 $142 38. Qf7+ Kh7 39. Kxh3 Nf6 40. Qxf6 gxf6 41. Kg3 Rg1+ 42. Kf4 Qg4+ 43. Ke3 Re1+ 44. Kd3 Qe2+ 45. Kc3 Rxc1+ 46. Kb4 Qxa2 47. Nc4 a5+ 48. Nxa5 bxa5#) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Basso, Pier Luigi"]
[Black "Sumets, Andrey"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2459"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,23,36,26,0,0,0,2,2,3,6,18,10,20,0,8,-7]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 c6 (4... Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. O-O d5 9. Qc2 Nbd7 10. Rd1 Rc8 11. a4 O-O 12. Na3 Bb7 13. Qb2 c5 14. Be1 Re8 15. e3 cxd4 16. Nxd4 a6 17. a5 Qc7 18. axb6 Qxb6 19. cxd5 Bxd5 20. Bxd5 Nxd5 {1-0 (67) Yu,Y (2751)-Ivanchuk,V (2726) Huaian 2017}) 5. Bg2 d5 {LiveBook: 104 Games} 6. cxd5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} cxd5 {The position is equal.} 7. Nc3 Bb7 8. Bf4 Nc6 $146 ({Predecessor:} 8... Be7 9. O-O O-O 10. Nb5 Na6 11. Rc1 Nh5 12. Qd2 Nxf4 13. Qxf4 Rc8 14. Nxa7 Bd6 15. Qd2 Rc7 16. Nb5 Bb4 17. Qd1 Rc8 18. a3 Be7 19. Rxc8 Bxc8 20. Qd3 Qd7 21. Ne5 Qd8 22. Nf3 Qd7 23. Ne5 Qd8 24. Nf3 Qd7 {½-½ (24) Salcedo Paez,J (2129)-Medina Garcia,M (1931) Bogota 2008}) 9. Ne5 Bb4 10. O-O Nxe5 11. Bxe5 {[#] aiming for Qa4+.} O-O 12. Rc1 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Grinberg, Eyal"]
[Black "Arcuti, Davide"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2452"]
[BlackElo "2343"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,94,0,0,7,12,14,15,17,29,10,26,9,14,0,20,22,41,33,54,33,39,38,113,117,475,473,420,202,196,136,181,177,273,261,496,435,413,421,511,493,785,770,564,431,737,690,647,347,346,326,326,326,453,284,1318,1314,1361,1312,1329,1268,1287,1187,1057,1033,828,766,674,600,534]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 Bb7 9. d3 d6 10. a3 Qd7 11. Nc3 Rfe8 {C88: Closed Ruy Lopez: Anti-Marshall Systems} 12. Nd5 Nxd5 13. Bxd5 Nd8 14. Bxb7 Nxb7 {LiveBook: 3 Games} 15. Be3 {[#]} Bf8 $146 ({Predecessor:} 15... Bf6 16. c4 c6 17. Qc2 d5 18. cxd5 cxd5 19. Rac1 {0-1 (59) Rasik,V (2452)-Kravtsiv,M (2631) Pardubice 2016}) 16. c4 c6 17. b4 Nd8 18. a4 Ne6 19. axb5 axb5 20. cxb5 {And now b6 would win.} cxb5 21. Qb3 Qb7 22. Ra5 Ra6 23. Rc1 Rxa5 24. bxa5 Qa6 {[#]} (24... Ra8 $14) 25. Bb6 $1 $16 Rc8 $2 {[%mdl 8192]} (25... Nc5 $16 26. Qd5 (26. Bxc5 dxc5 27. Rb1 b4 $11) 26... Qa8) 26. Rxc8 $18 Qxc8 27. g3 (27. Qxb5 $142 Qc1+ 28. Kh2) 27... Qa6 28. Qc3 ({White should play} 28. Qd5 $18) 28... Be7 29. Ne1 Qb7 {[#]} (29... Nc5 $142 30. Nc2 Bf8) 30. Nc2 $1 d5 $2 (30... Nc5 31. Bxc5 dxc5) 31. Qxe5 dxe4 32. Qxe4 Qc8 33. Nd4 Nxd4 (33... b4 $142 34. Qc6 Qxc6 35. Nxc6 Bd8 36. Nxb4 (36. Nxd8 b3 $17) 36... Bxb6) 34. Bxd4 Bf8 35. Qe5 b4 (35... Qc6 $142 36. Qb8 g6) 36. Qb5 Qd8 37. Qb6 Qxb6 38. axb6 {[%mdl 4096] Endgame KB-KB} ({Weaker is} 38. Bxb6 g6 $16) 38... Bd6 39. b7 b3 40. Kf1 f6 $2 (40... Bb8 41. Ke2 Kf8) 41. Ke2 {White is clearly winning.} Kf7 42. Kd2 Bb8 43. Be3 ({Less strong is} 43. Kc3 Ke6 $18) 43... g5 44. Kc3 Ke6 45. Kxb3 Kd5 46. Kb4 Kc6 47. Kc4 Kxb7 {Precision: White = 71%, Black = 20%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Beerdsen, Thomas"]
[Black "Gschnitzer, Adrian"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2447"]
[BlackElo "2307"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,80,48,41,56,52,56,51,54,51,51,49,50,42,21,10,29,6,7,0,7,0,30,0,0,0,0,0,0,0,0,0,21,13,14,30,125,122,127,118,340,331,333,324,306,290,298,274,261,97,410,393,396,387,508,500,596,578,29994,29995,29995,29996,29999]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 e6 7. h3 Bh5 8. c4 Qd7 9. d5 {B22: Sicilian: 2 c3} Bxf3 10. Bxf3 Nd4 11. O-O {LiveBook: 5 Games. White is slightly better.} Nf6 {[%cal Re6d5]} (11... Nxf3+ 12. Qxf3 exd5 13. Re1+ Be7 14. cxd5 Rd8 15. Nc3 Nf6 16. d6 Qxd6 17. Qxb7 {1-0 (45) Plat,V (2510)-Rakus,P (2243) Bohuslavice 2017}) 12. Nc3 Be7 13. Bf4 O-O 14. Be5 Nxf3+ $146 ({Predecessor:} 14... Nf5 15. Re1 Bd6 16. Bxf6 gxf6 17. dxe6 fxe6 18. Rxe6 {1-0 (30) Panuzzo,J-Christian,G CServe email 1994}) 15. Qxf3 exd5 16. cxd5 Ne8 17. Rfe1 {Black must now prevent d6.} Bd6 18. Qg3 Bxe5 19. Rxe5 Nd6 20. Rae1 Rfe8 21. Rxe8+ Rxe8 22. Rxe8+ Nxe8 23. Qb8 $36 {[%mdl 2048] White has the initiative.} b6 24. a4 Kf8 25. Nb5 a6 (25... Qxd5 $2 26. Qxe8+ $1 {[%mdl 512]} Kxe8 27. Nc7+ Kd7 28. Nxd5 $18) 26. Nc3 Qc7 27. Qa8 Qf4 {[#]} (27... a5 $11) 28. g3 $1 $16 {[%cal Rg3f4]} ({But not} 28. Qxa6 $6 Qc1+ 29. Kh2 (29. Qf1 Qxb2 30. Qe1 Qb4 $11) 29... Qxb2 $11) 28... Qd2 29. Kg2 g6 $2 {[#]} (29... a5 $16) 30. Ne4 $1 $18 {[%cal Re4d2]} (30. Qxa6 Qxb2 31. Qd3 Nd6 $11) 30... Qxb2 31. d6 {aiming for d7.} Qd4 32. Qc6 Nxd6 33. Nxd6 ({Don't do} 33. Qxd6+ $6 Qxd6 34. Nxd6 Kg7 $16) 33... Kg7 34. Nc8 $2 ({Weaker is} 34. Qxb6 Qd5+ 35. Kh2 Qd4 $16) (34. Ne8+ $18 Kg8 35. Nf6+ Kg7 36. Nd7 (36. Qxb6 Qxf6 37. Qxc5 Qb2 $11)) 34... c4 $2 {[%mdl 8192]} (34... b5 $16) 35. Nxb6 c3 {intending ...c2.} 36. Nd5 Qe4+ 37. Kh2 Kh6 {Now ...c2 and Black clings on.} 38. Qc5 {Intending Qf8+ and mate.} c2 39. Qf8+ {White mates.} Kg5 40. f4+ Kf5 41. Qxf7# {Precision: White = 74%, Black = 44%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Perske, Thore"]
[Black "Petkidis, Anthony"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "2447"]
[BlackElo "2314"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,152,54,50,48,56,49,68,67,59,71,131,133,134,114,174,136,141,138,155,92,116,67,81,75,137,35,58,45,125,125,125,125,125,125,117,90,97,65,65,65,65,0,58,60,129,104,145,152,156,143,161,110,199,171,177,178,298,261,288,114,264,254,217,147,235,246,237,227,240,229,241,227,253,252,254,248,257,222,231,148,148,147,130,122,138,83,97,89,364,361,572,557,992,304,1177,0,0,0,0,0,0,0,0,0,65,0,65,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-20]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Ne6 11. Bc1 c5 12. a4 Rd8 {C49: Four Knights: 4 Bb5 Bb4} 13. d5 Nf8 {LiveBook: 6 Games} 14. Nd2 Ng6 {White is slightly better.} 15. Bf1 h6 16. Nc4 Nh7 17. Qh5 $146 Qh4 (17... Nf6 $142 18. Qd1 b6) 18. Qxh4 $16 Nxh4 19. f4 {[%cal Bf2f4,Bf4f5,Bf5g6][%mdl 32]} f6 (19... Ng6 $16) 20. f5 g6 21. fxg6 ({Don't do} 21. Bxh6 $6 gxf5 22. Rab1 Ng5 $16) 21... Ng5 22. Bxg5 (22. Bd3 $142) 22... fxg5 23. a5 Nxg6 24. g3 Kf8 (24... Kg7 $142) 25. Reb1 (25. Be2 $16) 25... Ke7 $14 26. Be2 Rf8 ({Black should play} 26... Nf8 $1 $14) 27. Bh5 $16 Nh8 28. Ne3 Rb8 29. Kg2 Bd7 30. Rb3 (30. Re1 {is interesting.} Rg8 31. Rf1 Rgf8 32. Rh1 Rg8 33. Raf1) 30... Kd8 31. Bg4 Bxg4 32. Nxg4 h5 $1 {[%cal Rh5g4]} 33. Nh6 (33. Ne3 $14) 33... Kc7 (33... g4 $1 $11) 34. Nf5 $14 g4 ({Better is} 34... Rf7 $14) 35. Ng7 $1 $16 {[%cal Rg7e6] Strongly threatening Ne6+.} Rf7 36. Ne6+ ({Stronger than} 36. Nxh5 Rbf8 $11) 36... Kd7 37. Rab1 Ke8 38. Rh1 (38. h3 $18) 38... Rh7 (38... Ke7 $16 {was necessary.}) 39. h3 gxh3+ 40. Rxh3 ({Much less strong is} 40. Kxh3 $6 Ng6 $14) 40... Ke7 (40... Ng6 $142 41. Rxh5 Rxh5 42. Ng7+ Ke7 43. Nxh5 Nh8) 41. c4 Ng6 {[#]} 42. Kf2 $2 (42. g4 $1 $18 {[%mdl 512] and the rest is easy.}) 42... Rf7+ (42... b6 $16 {was called for.}) 43. Ke2 $18 Rh7 44. Kd2 Nh8 (44... b6 $16 45. axb6 Rxb6) 45. a6 b6 46. Rf3 Rg8 47. Rf5 Nf7 48. Ke2 h4 49. Rxh4 Rxh4 50. gxh4 {[%mdl 4096] Endgame KRN-KRN} Rg4 51. Kd3 Rxh4 52. Rf3 Rg4 53. Nc7 {aiming for Nb5.} Ng5 54. Re3 Rg1 55. Nb5 (55. Ke2 $142) 55... Ra1 $16 56. Rg3 Kf6 $2 {[%mdl 8192]} (56... Nf7 $16 {keeps fighting.}) 57. Nxd6 $18 Rxa6 (57... Ra3+ $142 58. c3 Ra1 59. Ne8+ Kg6) 58. Ne8+ Kg6 {[#]} 59. d6 $2 (59. Rxg5+ $1 {[%mdl 512]} Kf7 (59... Kxg5 60. d6) 60. Rxe5) 59... Ra1 $2 {[#]} (59... Kf7) 60. Kd2 $2 (60. Rxg5+ $1 $18 {[%mdl 512]} Kxg5 61. Kd2) 60... Kf7 $11 61. Rxg5 {d7 would kill now.} Kxe8 62. Rxe5+ {KR-KR} Kd7 63. Rd5 Rh1 $1 64. e5 {e6+! is the strong threat.} Rh7 (64... Rh2+ $11 65. Ke3 Rh7) 65. Ke3 (65. Kc3 $14) 65... Ke6 ({Black should try} 65... Rh3+ $11 66. Ke2 Rh2+ 67. Ke3 Rh7) 66. Kf4 (66. Kd3 $14) 66... a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32] The position is equal.} 67. Ke3 a4 68. Kd2 a3 {[#] ( -> ...a2)} 69. d7 $1 {[%mdl 512]} Rxd7 70. Rxd7 Kxd7 {K3P-K3P} 71. Kc3 Ke6 72. Kb3 Kxe5 73. Kxa3 Kd6 (73... Kd4 $5 74. Kb3 $8 Ke4 $11) 74. Ka4 Kc6 75. c3 Kc7 76. Kb5 Kb7 {Precision: White = 61%, Black = 38%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Carow, Johannes"]
[Black "Paul, Johannes"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2437"]
[BlackElo "2279"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,127,-6,-10,-6,-10,-20,-37,-68,-14,-18,-18,-60,0,15,0,0,0,0,5,0,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,2,0,0,0,0,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,-15,-18,-18,-12,-1,-70,-13,-14,-16,-13,-13,-17,-8,-8,-8,-9,-8,-7,-9,-9,-3,-20,0,0,108,129,110,127,281,295,317,213,306,277,339,325,458,449,530,516,492,421,800,741,1508,1443,1141,714,1778,697,5401,5385,2350,2229,29990,29991]} 1. d4 Nf6 2. Bg5 e6 3. e3 d5 4. c4 Be7 5. Nf3 O-O 6. Nbd2 b6 {LiveBook: 6 Games. D30: Queen's Gambit Declined: Systems without Nc3} 7. Bxf6 $146 ({Predecessor:} 7. cxd5 exd5 8. Bd3 Bb7 9. O-O Nbd7 10. Rc1 c5 11. dxc5 bxc5 12. Qc2 g6 13. Rfd1 Rc8 14. b3 Re8 15. Bb5 a6 16. Ba4 Rf8 17. Bh6 Re8 {1-0 (100) Nakamura,H (2781)-Javakhadze,Z (2456) chess.com INT 2018}) 7... Bxf6 8. cxd5 exd5 {The position is equal.} 9. Qc2 Bb7 (9... c5 $15) 10. Bd3 $11 g6 11. h4 Ba6 ({Better is} 11... Qe7 $15) 12. Bxa6 Nxa6 13. Qa4 Qc8 14. Qc6 Qe6 15. Qb5 Nb8 $1 16. Rc1 c6 17. Qd3 Nd7 18. O-O c5 19. b3 Rfd8 20. g3 a5 21. a4 Rac8 22. Kg2 Rc6 23. Rc2 Rdc8 24. Rfc1 cxd4 {[#] ...Rxc2 is the strong threat.} 25. exd4 Nf8 26. Nf1 Rxc2 27. Rxc2 Rxc2 28. Qxc2 Qd7 29. Ne3 Ne6 30. Qd3 h5 31. Kf1 Kg7 32. Ke2 Qc6 33. Nc2 Nc7 34. Kd2 Ne8 35. Ne5 Qe6 36. Qe3 Nd6 37. Nf3 $1 Ne4+ 38. Ke2 Qc8 39. Nce1 ({White should try} 39. Qd3 $11) 39... Qc6 (39... Qe8 $1 $15) 40. Kf1 b5 41. axb5 Qxb5+ 42. Qd3 Nc3 (42... Qc6 {is more complex.} 43. Qc2 Qb6 44. Qd3 Be7 45. Nc2 Qc6) 43. Qxb5 Nxb5 {[%mdl 4096] Endgame KBN-KNN} 44. Nc2 Kf8 45. Ke2 Ke7 46. Kd3 Ke6 47. Ne3 Bd8 48. Ng2 Bc7 {[#]} (48... Bf6 $11 {keeps the balance.}) 49. Ng5+ $1 $16 Kd7 50. Nxf7 Bb6 $2 (50... Ke7 $16) 51. Ne5+ $18 Ke6 52. Nf3 ({Weaker is} 52. Nxg6 Kd6 $16) 52... Nc7 (52... Bc7 {was worth a try.} 53. Ng1 Bd6) 53. Nf4+ Kf5 54. Ne5 Nb5 (54... g5 {might work better.}) 55. Nc6 g5 56. Nxd5 gxh4 57. gxh4 ({But not} 57. Nxb6 $2 h3 $19) 57... Ba7 (57... Bc7 $142 58. Nxc7 Nxc7 59. Nxa5 Kg4) 58. Ne3+ Kf4 59. Nxa7 Nxa7 60. d5 Kf3 61. d6 (61. Kc4 $142 Kxf2 62. Kc5) 61... Kxf2 62. Nf5 {White threatens Nd4 and mate.} Nc6 63. Ke4 Ke2 64. Nd4+ {Precision: White = 77%, Black = 41%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Vrolijk, Liam"]
[Black "Heimann, Andreas"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2432"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,46,18,20,27,35,18,44,38,16,-8,0,0,0,0,6,-30,-20,-40,-18,-29,-28,-20,-21,-17,-21,-38,-31,-28,-36,-29,-32,-56,-64,-62,-46,-108,-107,-284,-291,-252,-292,-275,-283,-245,-209,-211,-213,-205,-192]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d6 6. c4 Nc6 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} (6... Nbd7 7. b4 e5 8. Bb2 exd4 9. Nxd4 a5 10. a3 axb4 11. axb4 Rxa1 12. Bxa1 c6 13. Nd2 Qe7 14. Bc3 d5 15. c5 Ne4 16. Nxe4 dxe4 {1-0 (26) Kempinski,R (2593)-Wagner,D (2564) Germany 2018}) 7. d5 {LiveBook: 4 Games} Nb4 {[%cal Bc6b4,Bb4a6,Ba6c5][%mdl 32]} 8. Nc3 e6 {White has an edge.} 9. e4 Re8 10. a3 Na6 11. Be3 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Qc2 Nc5 12. Be3 exd5 {0-1 (30) Andreev,K-Lukin,A (2435) St Petersburg 1992}) 11... exd5 12. exd5 Nc5 13. Bd4 a5 14. b3 Bd7 15. Nd2 Nfe4 16. Ndxe4 Nxe4 17. Nxe4 Rxe4 18. Bxg7 Kxg7 19. Bf3 Re8 20. Qd2 Qf6 21. Rac1 b6 22. b4 axb4 23. axb4 Ra3 24. c5 (24. Rfe1 $15) 24... Bb5 $17 25. Rfd1 $2 {[#]} (25. cxd6 $17 cxd6 26. Rfe1) 25... Rd3 $1 $19 {[%cal Rd3d2]} 26. Qc2 Rxf3 27. gxf3 Be2 {( -> ...Qg5+)} 28. Qd2 Bxd1 {Black is clearly better.} ({Less strong is} 28... Bxf3 29. Re1 $17) 29. Qxd1 Qf4 30. cxb6 cxb6 {Precision: White = 36%, Black = 83%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Bakre, Tejas"]
[Black "Andre, Gordon"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2427"]
[BlackElo "2286"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,43,44,31,30,42,37,56,57,310,317,312,314,308,323,335,335,335,335,335,335,335,325,325,325]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O dxc4 {E11: Bogo-Indian} (7... c6 8. Qb3 Nbd7 9. Bf4 a5 10. Rd1 Nh5 11. Bc1 Nhf6 12. Nbd2 b5 13. c5 b4 14. Qc2 a4 15. Re1 e5 16. Nxe5 Nxe5 17. dxe5 {1-0 (33) Caruana,F (2784)-So,W (2799) Berlin 2018}) 8. Qa4 a6 9. Qxc4 b5 10. Qc2 Bb7 11. Rc1 Bd6 {LiveBook: 11 Games} 12. Bg5 Nbd7 13. Nbd2 c5 14. Bxf6 Qxf6 $4 {[%mdl 8192] [#]} (14... gxf6 $14 15. Ne4 (15. dxc5 Bxc5 16. Nb3 Bb6 $11) 15... Bxe4 16. Qxe4 f5) 15. Ne5 $1 $18 {[%cal Re5d7] White has a decisive advantage.} Nxe5 16. dxe5 $146 (16. Bxb7 Ng4 $16) ({Predecessor:} 16. Bxb7 cxd4 17. Ne4 Qe7 18. Bxa8 Rxa8 19. Qc8+ Qf8 20. Nxd6 {1-0 (20) Atalik,E (2406)-Khurtsidze,N (2387) Elista 2004}) 16... Bxe5 {Hoping for ...Bxg2.} 17. Bxb7 Rab8 18. Ne4 ({Less strong is} 18. Qxc5 Rxb7 19. Ne4 Qf5 $11) ({Not} 18. Bxa6 Bxb2 19. Rab1 Bxc1 $16) 18... Qe7 19. Qxc5 Qxc5 20. Rxc5 Bxb2 21. Rb1 Bd4 22. Rc7 ({Don't do} 22. Bxa6 $6 Bxc5 23. Nxc5 Rfd8 $18) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kopylov, Michael"]
[Black "Muckle, Julius"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2421"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "313"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,313,45,34,50,23,26,18,17,17,67,14,33,29,12,9,55,35,54,-1,0,-14,-6,-20,0,0,0,0,15,14,0,12,59,56,53,61,68,68,68,54,53,53,54,54,63,59,52,55,58,48,48,49,48,29,77,23,23,24,74,29,29,29,29,29,39,26,26,0,29,29,29,26,35,35,39,29,48,29,29,0,56,29,29,29,43,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,9,20,20,20,0,20,0,20,20,20,10,20,13,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,115,20,20,20,20,0,20,0,20,20,20,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,12,6,18,6,6,6,6,2,6,2,2,2,2,2,18,6,11,11,18,6,6,6,6,0,18,11,24,0,18,6,6,6,6,6,6,6,6,6,6,6,6,6,18,6,6,6,6,6,8,8,24,6,24,24,24,24,24,6,6,6,8,6,24,8,25,24,28,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,25,0,0,0,0,0,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. Qb3 Qc7 8. h3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (8. Bd2 Bh5 9. Rc1 dxc4 10. Bxc4 Be7 11. h3 Qb6 12. g3 Nbd7 13. O-O Nd5 14. Ng2 Bg6 15. f3 O-O {½-½ (48) Aronian,L (2781)-Vallejo Pons,F (2705) Linares 2010}) 8... Bh5 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 Be7 12. Bd2 {LiveBook: 9 Games} Nbd7 13. O-O-O dxc4 14. Qxc4 Nb6 15. Qb3 Nfd5 16. Ne4 $146 ({White should play} 16. Ne2 $14) ({Find the theoretical novelty and annotate with similar games:} 16. Ne2 a5 {0-1 (49) Bistrikova,E (2171)-Chistiakova,T (2308) St Petersburg 2005}) 16... Nd7 17. Kb1 a5 18. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} O-O 19. Rc1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 20. Nc3 (20. h4 $14) 20... Qb6 $11 21. Nxd5 cxd5 22. Qc2 b4 23. a4 $1 b3 24. Qc7 Ra7 25. Qxb6 $1 Nxb6 26. Rc3 Bb4 (26... Nc4 {NOTEXT} 27. Bc1 Rb8 28. e4 Rc7 29. Bf4 Na3+) 27. Rxb3 Bxd2 28. Rxb6 Rc8 29. Rd1 Bb4 30. e4 dxe4 31. Bxe4 Rd7 32. d5 Rc4 33. f3 f5 34. Bc2 (34. Rxe6 fxe4 35. fxe4 Rd6 $17) 34... Rxd5 35. Rxd5 exd5 $14 {[%mdl 4096] Endgame KRB-KRB} 36. Bb3 Rd4 37. Rxg6 {Black should prevent Rg5.} fxg4 38. hxg4 (38. Rxg4 $16 Rxg4 39. Bxd5+ (39. fxg4 g5 $16) (39. hxg4 Kf7 $16) 39... Kh7 40. hxg4 (40. fxg4 Be7 $16)) 38... Rd3 $11 39. Ka2 Kh7 40. Rg5 {[#] Bc2 is the strong threat.} (40. Rb6 {NOTEXT} g6 41. Bc2 Rxf3 42. Rxg6 Kh8 43. Rb6) 40... Rxf3 41. Bc2+ Kg8 42. Rxd5 Kf8 43. Rd7 Rf7 44. Rd5 Rc7 45. Kb3 Ke7 46. Bf5 Kf6 47. Rb5 Be1 48. Be4 Bd2 49. Rd5 Bb4 50. Rb5 Bd2 51. g5+ Ke6 52. Bd3 Kf7 53. g6+ Kf6 54. Rf5+ Ke6 55. Rf2 Bb4 56. Rf4 Bd2 57. Rd4 Ke5 58. Rh4 Kf6 59. Re4 Kg5 60. Rd4 Be1 61. Rd5+ Kf6 62. Rf5+ Ke6 63. Rf4 Bd2 64. Rf2 Bb4 65. Bc4+ Ke5 66. Bf7 Rc5 67. Ka2 Rc1 68. Bb3 Rc6 69. Bc2 Rc7 70. Kb1 Rb7 71. Rf3 Rc7 72. Bd3 Kd4 73. Bf5 Ke5 74. Bc2 Bd2 75. Rf5+ Ke6 76. Rb5 Kf6 77. Bd3 Rc1+ 78. Ka2 Rc7 $1 79. Kb3 Be1 80. Rf5+ Ke6 81. Rf4 Bd2 82. Bc4+ Ke5 83. Rh4 Kf6 84. Bf7 Ke5 85. Rh5+ Kf6 86. Rb5 Be1 87. Rb6+ Kf5 88. Bc4 Bd2 89. Rd6 Bb4 90. Bd3+ Ke5 91. Rb6 Be1 92. Bc4 {[#] Strongly threatening Re6+.} Kf5 93. Bf7 Bd2 94. Ka2 Ke5 95. b3 Bb4 96. Kb1 Kd4 97. Bc4 Re7 98. Kc2 Re3 99. Rb7 Re7 100. Rb5 Ke4 101. Rd5 Kf4 102. Kd3 Re5 103. Rd7 Re7 104. Rd5 Re5 105. Rd4+ Kg5 106. Bf7 Kf6 107. Rf4+ Kg5 108. Rf3 Rf5 109. Re3 Rc5 110. Kd4 Rc7 {And now ...Bc5+ would win.} 111. Re5+ Kf6 {Threatens to win with ...Bc3+.} 112. Re6+ Kf5 113. Ra6 Rd7+ 114. Kc4 Rc7+ (114... Rb7 {NOTEXT} 115. Ra8 Kg5 116. Rg8 Kf6 117. Re8 Kg5) 115. Kb5 Rc5+ 116. Kb6 Re5 117. Ra8 Kf6 118. Rc8 Kg5 119. Rc6 Rf5 120. Rc2 Kf6 121. Rc7 Re5 122. Rc6+ Ke7 123. Bc4 Rg5 124. Rc7+ Kf6 125. Bd3 Rd5 126. Rf7+ Kg5 127. Be4 (127. Bc2 {NOTEXT} Kh6 128. Be4 Rd6+ 129. Kb5 Rd4 130. Bc2) 127... Re5 128. Bb1 Kh6 129. Rf3 Re6+ 130. Kb5 Re5+ 131. Kc4 Rc5+ 132. Kd4 Rg5 133. Bf5 Rh5 134. Ke4 Rh4+ 135. Ke5 Rh1 136. Be4 Rh5+ 137. Ke6 Bd2 138. Rd3 Bb4 {The position is equal.} 139. Kf7 Rh4 {Hoping for ...Rf4+.} 140. Bf5 Rf4 141. Ke6 Rh4 142. Rd5 Rf4 143. Rd3 Rh4 144. Rf3 Rh1 145. Kf7 Rh5 146. Be4 Rh4 147. Bf5 Rh5 148. Rf1 Rh4 149. Rd1 Rf4 150. Ke6 (150. Kg8 {NOTEXT}) 150... Rh4 151. Rd8 Kg5 152. Rd5 Kh6 153. Bd3 Rf4 154. Bf5 Rf1 155. Be4 Rf6+ 156. Kd7 Rf4 157. Bd3 {Precision: White = 50%, Black = 67%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Keymer, Vincent"]
[Black "Papp, Gabor"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2403"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,22,0,12,12,0,0,0,0,0,0,0,0,16,12,17,4,12,16,17,14,8,12,62,25,25,20,56,58,96,87,164,160,136,160,201,210,210,212,368,357,361,344,345,354,352,325,328,340,337,331,382,382,382,382,375,382,391,398,398,398,394,392,634,484,484,492,484,484,498,493,487,483,483,481,577,570,639,629,633,623,618,610,650,641,623,578]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 Nbd7 7. Bf4 {LiveBook: 5 Games. E67: King's Indian: Fianchetto: 6...Nbd7} (7. O-O e5 8. b3 Re8 9. e4 exd4 10. Nxd4 Nc5 11. f3 a5 12. Be3 Nfd7 13. Qc2 f5 14. Rad1 fxe4 15. fxe4 c6 16. h3 Qe7 17. Kh2 Ne5 18. Qd2 Ne6 19. Nde2 a4 {½-½ (36) Mamedyarov,S (2799)-Demchenko,A (2660) Riadh 2017}) 7... e5 $146 ({Predecessor:} 7... c6 8. O-O Qa5 9. Bd2 Qc7 10. Rc1 Re8 11. Qc2 e5 12. d5 Nb6 13. dxc6 bxc6 14. c5 dxc5 15. Ng5 c4 16. Na4 {½-½ (37) Keymer,V (2419)-Gallagher,J (2433) Balatonszarszo 2017}) 8. dxe5 dxe5 9. Nxe5 {The position is equal.} Nh5 $1 10. Nd3 Nxf4 11. Nxf4 c6 12. O-O Qb6 13. Nd3 Ne5 {[%cal Bd7e5,Be5c4,Bc4a3,Ba3b5,Bb5c3][%mdl 32]} 14. c5 Qa5 15. b4 Qa3 {Threatens to win with ...Nxd3.} 16. Qc1 $36 {[%mdl 2048] White has good play.} Nc4 17. Ne4 Be6 18. Qxa3 Nxa3 19. Rac1 Nb5 20. Nd6 Nc3 21. Rc2 Rab8 (21... Rfb8 $16) 22. Nf4 $18 Bd7 23. Rfc1 Na4 24. Rd1 a6 25. Rd3 Rfd8 $2 {[#]} (25... Nb2) 26. Nxb7 $1 {[%mdl 512]} Rxb7 {[#]} 27. Bxc6 $1 {[%mdl 512]} Bxc6 28. Rxd8+ Bf8 29. Rc8 Bd7 30. Ra8 {aiming for c6.} Rxb4 31. c6 Rb1+ 32. Kg2 Bf5 {[#]} 33. Nd3 $1 Nb6 34. Rb8 Rb5 {[#]} 35. a4 $1 {[%mdl 512]} Nxa4 36. c7 Nb6 37. Rc5 Rb3 $2 {[#]} (37... Rxc5 38. Nxc5 Kg7) 38. Rxf5 $1 {[%mdl 512] White is clearly winning.} gxf5 39. c8=Q Nxc8 40. Rxb3 {[%mdl 4096] Endgame KRN-KBN} Kg7 41. Rb8 Nd6 42. Ra8 Nb5 43. Rxa6 Nd4 44. Nf4 h6 45. e3 Nb5 46. Nh5+ Kh7 47. Nf6+ Kg7 48. Ne8+ Kg8 49. Ra5 {Precision: White = 86%, Black = 38%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Malek, Daniel"]
[Black "Buhmann, Rainer"]
[Result "0-1"]
[ECO "E40"]
[WhiteElo "2403"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,0,0,15,6,30,16,82,95,102,95,91,94,94,84,86,82,88,91,117,107,100,89,87,102,117,24,116,-14,116,89,96,-70,-83,-127,-83,-328,-323,-316,-318,-297,403,388,412,395,825,826,1003,937,1068,-29996,-29997,-29997,-29998,-29998,-29999]} 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 d5 5. Qa4+ Nc6 6. Nf3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} b6 8. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bxc3+ 9. Qxc3 {LiveBook: 5 Games. The position is equal.} Bb7 $146 ({Predecessor:} 9... Ne4 10. Qc2 Ba6 11. b4 Ne7 12. Bd3 Ng6 13. h4 h6 14. Bb2 Ne7 {1-0 (35) Mamedyarov,S (2747)-Fressinet,L (2700) Huaian 2016}) 10. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a5 11. b5 Ne7 (11... Nb8 $11) 12. c5 $1 $16 c6 13. a4 $1 Ne4 14. Qc2 Ng6 15. Bd3 e5 16. O-O (16. Nxe5 Nxe5 17. dxe5 bxc5 $14) 16... bxc5 17. dxc5 f5 18. Ba3 Rc8 19. Rab1 Rf7 20. b6 Ra8 21. Rfc1 ({White should try} 21. Bb2 $16) 21... Kh8 (21... Ng5 $11) 22. Qe2 ({Better is} 22. Bb2 $16) 22... Qf6 (22... Ng5 $1 $11 {remains equal.}) 23. g3 $36 {[%mdl 2048] White is on the roll.} Re8 24. Ba6 $2 (24. Bb2 $16) 24... Bxa6 $15 25. Qxa6 f4 26. exf4 $2 {[#]} (26. Rf1 $17) 26... Nxf4 $1 $19 {[%mdl 512] ( -> ...Nh3+)} 27. Rb3 (27. gxf4 Qxf4) 27... Nh3+ 28. Kg2 Nd2 $4 {[%mdl 8192]} ({Don't do} 28... Nexf2 29. Bb2 $17) (28... Nhxf2 $19 {Threatens to win with ...d4.} 29. b7 Rff8) 29. Nxd2 $18 Qxf2+ 30. Kxh3 Rf6 $2 {[#]} (30... Qxd2 31. Rf1 Qh6+ 32. Kg2 Qd2+ 33. Kh1 Rf2 34. Rxf2 Qxf2) 31. Nf3 $1 Rh6+ {[#]} 32. Nh4 $1 g5 33. Rf1 $4 {[%mdl 8192] [#]} (33. Qf1 $18 Qxf1+ 34. Rxf1 gxh4 35. gxh4) 33... g4+ $1 {[%mdl 512] Black mates.} 34. Kxg4 Rg8+ 35. Kh3 {[#]} Rxh4+ $1 {[%mdl 512] Precision: White = 42%, Black = 32%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Horton, Andrew P"]
[Black "David, Alberto"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2393"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,14,8,13,33,27,56,58,63,52,52,52,62,56,98,94,86,96,83,46,62,56,70,72,61,-37,32,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,-50,-54,-65,-25,-87,-77,-62,-19,-173,-140,-157,-166,-265,-246,-310,-191,-200,-199,-886,-883,-820,-711,-1281,-1234,-5589,-1074,-29971,-29972,-29972,-29973,-29973,-29974,-29970,-29970,-6307,-5820]} 1. Nf3 Nc6 2. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} d5 3. Bf4 f6 (3... Bg4 4. e3 e6 5. h3 Bh5 6. g4 Bg6 7. Bb5 Nge7 8. Ne5 a6 9. Nxg6 Nxg6 10. Bxc6+ bxc6 11. Bg3 Rb8 12. b3 Bd6 13. Nc3 Bxg3 14. fxg3 {½-½ (28) Kunin,V (2584)-Rapport,R (2720) Karlsruhe 2016}) 4. c4 dxc4 5. d5 $146 ({Predecessor:} 5. Nc3 Bg4 6. d5 e5 7. Be3 Na5 8. Qa4+ c6 9. dxc6 Nxc6 10. Qxc4 Qc8 11. Rc1 {1-0 (45) Shtyrenkov,V (2378)-Zemlyansky,D (2254) Volgograd 2010}) 5... e5 6. Bc1 $1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nce7 7. e4 Ng6 8. Bxc4 {White is slightly better.} a6 9. Nc3 Bd6 10. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} b5 11. Bd3 N8e7 12. h5 Nf4 13. Bxf4 exf4 14. Qc2 Bg4 15. e5 fxe5 16. Bxh7 Qd7 17. Bg6+ (17. Ng5 $14) 17... Kf8 (17... Nxg6 $15 18. Qxg6+ Kf8) 18. Bd3 (18. O-O-O $14) 18... Nf5 19. O-O-O Nd4 20. Nxd4 Bxd1 21. Ne6+ {[#]} Qxe6 $1 {[%mdl 512]} 22. Qxd1 (22. dxe6 Bxc2) 22... Qd7 23. g4 fxg3 24. fxg3 Kg8 25. Be2 Rh6 26. Bg4 Qe7 27. Be6+ (27. Ne4 $1 $11 {keeps the balance.}) 27... Kh8 28. Ne4 Rf8 {With the idea ...c6!} 29. Qg4 $2 (29. Kb1 $11 {and White has nothing to worry.}) 29... Bc5 {Threatens to win with ...c6!} 30. Qe2 {[#]} Bd4 $1 31. g4 (31. Kb1 $142) 31... Rf4 32. Kb1 Qb4 33. Bf5 {[#]} Bxb2 $1 {[%mdl 512]} 34. a3 $2 (34. Qxb2 Rxe4 35. Rc1) 34... Bxa3+ $19 35. Ka2 Qa4 36. Nc3 Qa5 37. Kb3 Bd6 38. Ne4 Qa3+ 39. Kc2 Qa2+ 40. Kd3 Qc4+ 41. Kd2 Bb4+ 42. Kd1 Qxd5+ {Precision: White = 26%, Black = 62%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Musat, Adrian"]
[Black "Lampert, Jonas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2388"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,-4,-8,0,0,4,5,4,-3,-4,-10,0,-28,0,-2,-2,-32,-32,-33,-33,-33,-32,-40,-35,-36,-42,-43,-12,-12,-8,-8,-9,-19,0,-18,0,-23,10,0,27,31,19,0,0,-70,18,7,10,0,7,0,0,-35,-40,-81,-58,-420,-415,-421,-416,-619,-607]} 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 Nf6 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. Nd2 Nbd7 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} 9. b3 {LiveBook: 4 Games} (9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Nf6 12. Nc3 Qb6 13. Na4 Qa6 14. b3 Rad8 15. Be3 b5 16. cxb5 cxb5 {0-1 (72) Sarana,A (2433)-Alekseenko,K (2554) Moscow 2016}) 9... Qa5 10. Bb2 b5 {The position is equal.} 11. c5 $146 ({Predecessor:} 11. e4 b4 12. Nxd5 cxd5 13. exf5 exf5 14. cxd5 Nxd5 15. Nc4 Qb5 16. Qf3 {½-½ (27) Nikolaenko,A (2130)-Klichev,M (2355) Moscow 1997}) 11... Qc7 12. b4 a5 13. a3 $1 Rfe8 14. Nf3 Ne4 15. Nxe4 Bxe4 16. a4 bxa4 17. Qxa4 {[%cal Rb4a5]} Qb7 18. Bc3 axb4 19. Qxb4 Qxb4 20. Bxb4 Bf6 21. e3 Rxa1 22. Rxa1 Rb8 23. Ra4 Bc2 24. Ra2 Bd3 25. Ra4 Bc2 26. Ra2 Bd1 27. Be1 Kf8 28. Nd2 e5 29. Ra1 {[#] Threatens to win with dxe5.} Bg4 30. h3 ({White should play} 30. e4 $1 $11) 30... Be2 (30... exd4 $15 31. hxg4 dxe3) 31. Ra7 Ke8 32. Bf3 Bd3 33. Bg4 $36 {[%mdl 2048] White fights for an advantage.} Nf8 34. Nf3 exd4 35. exd4 g6 {White must now prevent ...h5.} 36. Ne5 $2 {[%mdl 8192]} (36. Ba5 $15 h5 37. Ne1) 36... Bxe5 $1 $19 37. dxe5 {[#]} h5 $1 38. Bf3 (38. Bd1 $142 Rb1 39. Ba4 Rxe1+ 40. Kg2) 38... Rb1 {Precision: White = 24%, Black = 48%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Pfreundt, Jakob"]
[Black "Heberla, Bartlomiej"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2385"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,76,50,104,89,82,91,100,68,90,68,79,57,50,66,67,55,57,54,47,45,45,50,52,26,52,48,60,51,86,61,69,61,48,30,36,-28,-28,-28,-28,-31,-28,-39,-31,-65,-68,-46,-51,-51,-57,-404,-402,-350,-351,-372,-352,-410,-421,-414,-399,-391,-394,-358,-283,-266,-268,-272,-246,-517,-493,-29986,-29987,-29982,-29984,-29999]} 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 e5 5. e4 Be7 6. Bb5+ Nbd7 {A44: Semi-Benoni} 7. a4 O-O 8. O-O Ne8 9. a5 (9. Bd3 g6 10. Nd2 Ng7 11. Nc4 Nf6 12. a5 Nfh5 13. Rb1 Nf4 14. b4 cxb4 15. Rxb4 {0-1 (51) Krush,I (2458)-Huang,Q (2450) Huaian 2016}) 9... a6 10. Be2 {LiveBook: 6 Games} g6 (10... b5 $14) 11. Nd2 f5 $146 ({Predecessor:} 11... Ng7 12. Nc4 f5 13. f4 exf4 14. Bxf4 {0-1 (44) Gassmann,V (2278)-Franke,J (2327) Germany 2011}) 12. Nc4 f4 13. Bg4 Ng7 14. f3 h5 15. Bxd7 Bxd7 16. Nb6 Rb8 17. Nxd7 Qxd7 18. Qe2 Ne8 19. Bd2 Nc7 20. Na4 Nb5 21. Nb6 Qe8 22. b4 cxb4 23. Bxb4 g5 24. Kh1 Rf7 25. c3 Rg7 26. Rad1 Qg6 27. Rd3 ({White should play} 27. c4 $14 Nd4 28. Qd2) 27... Kh8 $11 28. Rfd1 g4 29. Nc4 Rbg8 30. Rg1 Bd8 31. Nd2 b6 32. Nc4 bxa5 33. Bxa5 Bc7 34. Bb6 $2 {[%mdl 8192] [#]} (34. Bb4 $15) 34... Na3 $1 $19 {[%mdl 512]} 35. Nxe5 (35. Nxa3 Bxb6) 35... dxe5 36. Bxc7 Rxc7 37. d6 Rd7 38. Rd5 gxf3 39. Qxf3 Nc4 40. Qe2 Ne3 (40... Nxd6 41. Rxe5 Re8 42. Rxh5+ Rh7 43. Rxh7+ Kxh7 44. Ra1 $19) ({Not} 40... Rxd6 41. Qxc4 Rxd5 42. exd5 $11) 41. Rxe5 Ng4 ({Don't do} 41... Qxd6 42. Rxh5+ Rh7 43. Qf3 $19) 42. Rf5 Re8 ({But not} 42... Qxd6 43. c4 $17) (42... Rxd6 43. h3 $19) 43. Qf3 $2 {[#]} (43. Rxf4 {only move.} Rxe4 44. Rxe4 Qxe4 45. Qe1) 43... Rxe4 $1 {[%mdl 512]} 44. Rxf4 (44. Rd5 $19 Rxd6 45. Rxd6 Qxd6 46. h3) (44. Qxe4 Nf2#) 44... Rxf4 {Black mates.} 45. Qxf4 Qxd6 46. Qxd6 Nf2# {Precision: White = 41%, Black = 69%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Sinz, Bernhard"]
[Black "Malakhatko, Vadim"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2383"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,50,54,42,53,28,29,29,33,31,26,-3,0,-41,-28,-53,-47,-72,-34,-45,-24,-27,-25,-31,0,-43,-60,-107,-37,-81,-75,-101,17,-53,-53,-56,-54,-52,-54,-61,-47,-57,-44,-74,-37,-84,-81,-100,-92,-92,-92,-92,-92,-132,-94,-465,-177,-386,-335,-320,-92,-92,-92,-92,-85,-104,-104,-916,-894,-1455,-47,-1404,-1345]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bxc3+ 6. bxc3 Qd7 7. Qg4 f5 8. Qg3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32] LiveBook: 15 Games. C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5} 9. Bb5 (9. Bd3 Bb7 10. Ne2 O-O-O 11. a4 Na5 12. Ba3 Nc4 13. Bxc4 dxc4 14. a5 Nh6 15. Nf4 Rhg8 16. h4 {0-1 (35) Grischuk,A (2782)-Caruana,F (2799) Saint Louis 2017}) 9... Bb7 10. Ne2 O-O-O {White has an edge.} 11. O-O $146 ({Find the theoretical novelty and annotate with similar games:} 11. h4 a6 12. Bd3 Qf7 13. Bg5 Nge7 14. h5 h6 15. Bd2 Rdg8 16. Nf4 {1-0 (31) Vrenegoor,T (2310)-Huibers,P Netherlands 1996}) 11... Qf7 12. a4 Na5 13. Bd3 Ne7 14. f4 h6 15. Ba3 Nec6 16. Nc1 Rdg8 17. Bb4 Nc4 18. a5 $1 g5 {[%cal Rc6a5]} 19. axb6 cxb6 20. Rf2 Qd7 21. Bf1 gxf4 (21... a5 $1 $17 {[%cal Ra5b4]} 22. Ba3 Na7) 22. Qh3 a5 ({Much weaker is} 22... Nxb4 $6 23. cxb4 Bc6 24. Nd3 $11) 23. Ba3 Na7 (23... Nd8 $1 $17 {Hoping for ...Nf7.} 24. Nd3 Nf7 25. Nxf4 Ng5) 24. Nb3 (24. Ne2 $11) 24... Ne3 $15 25. Bc1 Nxf1 26. Rxf1 Ba6 27. Rxf4 h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} 28. Rf2 Rg4 29. Bf4 h4 30. Nd2 Qc6 31. Qf3 Kb7 32. h3 Rg7 33. Nb1 Nb5 34. Kh2 Ka7 35. Rf1 $2 {[%mdl 8192] [#]} (35. Kh1 $17 {is a better chance.}) 35... Rc8 $2 (35... Nxd4 $1 {[%mdl 512]} 36. cxd4 Bxf1 37. Qxf1 Rhg8) 36. Bd2 $2 (36. Rc1 {was necessary.}) 36... Rg3 37. Qf4 {[#]} Rcg8 $2 ({Weaker is} 37... Nxc3 38. Nxc3 Bxf1 39. Rxf1 $17) (37... Nxd4 $1 $19 {[%mdl 512] is more deadly.} 38. cxd4 Bxf1 39. Qxf1 Rcg8) 38. Rg1 $17 Qc4 $36 {[%mdl 2048] Keeping White busy.} 39. Qf2 Qc7 40. Be1 Qg7 {Strongly threatening ...f4!} 41. Qd2 $2 {[%mdl 8192] [#]} (41. Bd2 $17) 41... f4 $1 $19 {[%cal Bf5f4,Bf4f3][%mdl 544]} 42. Bxg3 (42. Qxf4 Rxg2+) 42... Qxg3+ 43. Kh1 f3 {Precision: White = 30%, Black = 53%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Kerigan, Demre"]
[Black "Valsecchi, Alessio"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2367"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,82,36,162,-14,-15,-21,0,-35,-6,0,0,-45,-44,-41,-33,-33,-39,-24,0,-158,-162,-147,-85,-96,-94,-109,-107,-110,-96,-83,-143,-133,-58,-49,-56,-183,-183,-189,-190,-191,-186,-195,-131,-189,-181,-429,-286,-708,-700,-686,-598,-570,-552,-829,-829,-29983,63,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 f5 {LiveBook: 10 Games} (7... h5 $14 8. Qg3 Bxg5 9. hxg5 c5) 8. exf6 $2 {C14: French: Classical System: 4 Bg5 Be7 main line} (8. Qh5+ $18 g6 9. Qh6) 8... Nxf6 $11 9. Qe2 c5 (9... O-O 10. Nf3 Nc6 {½-½ (10) Hong,A (2327)-Young,A (2273) Charlotte 2018}) 10. Nf3 {The position is equal.} Nc6 11. dxc5 h6 $146 ({Predecessor:} 11... Qa5 12. Bd2 Qxc5 {½-½ (12) Richters,A (1926)-Ter Horst,C (1841) Muensterland 2005}) 12. Bf4 Bxc5 13. O-O-O O-O 14. g3 Qa5 15. Ne5 Bb4 16. Nb1 $2 (16. Rd3 $1 $11) 16... Qxa2 $17 17. Bh3 {intending Bxe6+!} Nxe5 ({Better is} 17... Na5 18. Nd3 Qc4) 18. Qxe5 Rf7 19. Bxe6 Bxe6 20. Qxe6 Bc5 21. f3 Re8 22. Qf5 Qa5 ({Black should play} 22... Rfe7 $1 $17 23. g4 a5) 23. Bd2 $15 Qc7 24. g4 (24. Qg6 $15) 24... Ne4 $1 $19 {[%cal Re4g3]} 25. Qxd5 {[#]} Nf2 $1 26. g5 Rd8 $40 {[%mdl 128] Black has strong attack.} (26... Nxd1 27. g6 $15) 27. Qa2 {Threatens to win with g6.} Bd4 ({Not} 27... Nxd1 28. g6 $15) (27... Kh7 $19 28. gxh6 Nxh1 29. Rxh1 Rxf3) 28. Nc3 (28. Ba5 $17 b6 29. g6 Be3+ 30. Nd2 bxa5 31. gxf7+ Qxf7 32. Qxf7+ Kxf7 33. Rh2) 28... Bxc3 ({Stronger than} 28... Nxh1 29. g6 $15) 29. bxc3 $2 (29. Bxc3 Nxd1 30. g6 Qf4+ 31. Kb1 Nxc3+ 32. bxc3) 29... Qd6 ({Weaker is} 29... Nxh1 30. g6 $17) 30. gxh6 $2 (30. Rhe1 Nxd1 31. Rxd1) 30... Nxh1 31. h7+ Kxh7 32. Qxf7 Nf2 33. Qh5+ Kg8 34. Qg5 Qa3+ 35. Kb1 Rd6 {Black mates.} 36. Qe3 Nxd1 {[%csl Gd1][%cal Ra3b2]} 37. Qe8+ Kh7 {[%csl Gd1][%cal Ra3b2]} 38. Qh5+ {[#]} Rh6 $1 {[%csl Gd1][%cal Ra3b2]} 39. Qf5+ (39. Bxh6 Nxc3#) 39... Rg6 {[%csl Gd1][%cal Ra3b2]} 40. Qh5+ {[#]} Kg8 $1 {[%csl Gd1][%cal Ra3b2]} 41. Qd5+ Kh8 {Precision: White = 44%, Black = 70%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Farago, Ivan"]
[Black "Schneider, Ilja"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2366"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,35,0,27,15,29,25,14,27,33,22,33,35,18,10,25,-6,28,0,7,0,26,13,14,18,61,54,55,69]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 (4... h6 5. Bh4 Qb6 6. Nc3 e5 7. Nf3 Nc6 8. e3 exd4 9. Nxd4 Qxb2 10. Nxd5 Bb4+ 11. Nxb4 Qc3+ {0-1 (20) Mamedyarov,S (2809)-Andreikin,D (2712) Moscow 2018}) 5. Nc3 Bf5 6. e4 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} dxe4 7. d5 Ne5 8. Qa4+ {The position is equal.} Nd7 9. Nge2 g6 $146 ({Predecessor:} 9... Ngf6 10. Ng3 Bg6 11. Be2 a6 {0-1 (55) Papunidi,M (2036)-Suleymanli,A (2353) Moscow 2017}) 10. Ng3 Bg7 11. Ngxe4 h6 12. Bh4 Qb6 13. Bb5 {[#] And now d6! would win.} a6 {Strongly threatening ...Rc8.} 14. O-O Rc8 15. Be2 g5 16. Bg3 Qd4 17. Qxd4 Bxd4 18. Rad1 {Precision: White = 64%, Black = 50%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Baskin, Robert"]
[Black "Kuipers, Stefan"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2339"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,65,44,42,38,41,41,52,36,41,43,51,49,50,50,50,50,52,56,50,50,46,43,70,66,61,69,70,4,4,4,4,4,4,4,4,4,4,4,4,5,28,0,0,0,18,0,85,75,85,93]} 1. c4 c6 2. Nf3 Nf6 3. d4 d5 4. Nc3 e6 5. g3 Nbd7 6. Bg2 Be7 7. O-O O-O 8. b3 Qa5 9. Bd2 Qc7 10. Bf4 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7)} Bd6 11. Bxd6 Qxd6 12. Qd3 {White is slightly better.} b6 13. e4 dxe4 14. Nxe4 Nxe4 $146 ({Find the theoretical novelty and annotate with similar games:} 14... Qc7 15. Rac1 {0-1 (42) Krueger,R (2208)-Goetz,A (2147) Germany 2010}) 15. Qxe4 Bb7 16. Rfd1 Rfd8 17. Rac1 Qa3 18. Qc2 h6 19. c5 bxc5 20. dxc5 Nxc5 21. Ne5 $1 Na6 22. Rxd8+ (22. Bxc6 $14 Bxc6 23. Qxc6 (23. Nxc6 Rxd1+ 24. Rxd1 Nc7 $11)) 22... Rxd8 $11 23. Rd1 ({Don't blunder} 23. Nxc6 $2 Rc8 $19) 23... Qa5 $132 {[%mdl 2048] [#] And now ...Rxd1+ would win. Black has counterplay} 24. Rxd8+ ({Don't go for} 24. Bxc6 $2 Nb4 $19) 24... Qxd8 25. Nxc6 Bxc6 26. Qxc6 Nb4 27. Qa4 $1 {[%cal Ra4b4]} a5 28. a3 Nd3 29. b4 axb4 30. axb4 g6 31. b5 Qb6 (31... Nxf2 $1 $11 32. Kxf2 Qd2+ 33. Kf1 Qd3+ 34. Ke1 (34. Kf2 Qd2+ 35. Kf3 Qd3+ 36. Kf4 Qd2+ 37. Kf3 Qd3+ 38. Kf4 Qd2+ 39. Ke5 Qxg2 $11) 34... Qe3+ 35. Kf1 Qd3+ 36. Kf2 Qd2+ 37. Kf3 Qd3+ 38. Kf2 Qd2+) 32. Qc2 $16 Nxf2 33. Qxf2 {Precision: White = 67%, Black = 58%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Hess, Max"]
[Black "Hirneise, Tobias"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2324"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,17,25,20,19,15,12,22,0,0,0,0,0,0,0,0,-10,-10,-10,-10,-10,-10,-32,-37,-46,0,-30,-25,-24,0,0,7,7,7,7,7,13,13,0,6,4,7,0,0,0,9,0,0,0,7,0,15,4,14,8,19,5,10,0,14,0,22,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 Ne4 7. e3 Nxc3 8. bxc3 e6 9. Bd3 Bd6 {D13: Slav Defence: Exchange variation without ...Bf5} 10. O-O {LiveBook: 6 Games} (10. Bxd6 Qxd6 11. O-O O-O 12. Rc1 e5 13. dxe5 Nxe5 14. Be2 Rd8 15. Nxe5 Qxe5 16. Qb3 b6 17. c4 {½-½ (31) Wang,Y (2718)-Mamedyarov,S (2743) Tromsoe 2014}) 10... O-O 11. Re1 b6 12. Rc1 h6 13. Bb1 $146 ({Predecessor:} 13. Qe2 Ba3 14. Rc2 Bd7 15. e4 Ne7 16. Qe3 f5 17. exf5 Nxf5 {0-1 (53) Akobian,V (2640)-Brunello,S (2552) Las Vegas 2014}) 13... Bb7 14. Qd3 {[%csl Gb1][%cal Rd3h7] [#]} f5 15. Bc2 Rc8 16. Ba4 Na5 17. Ne5 Bxe5 18. Bxe5 Nc4 19. Bg3 Qe7 20. Bc2 Qa3 21. Bb1 Qb2 22. Qc2 (22. Qd1 {feels hotter.} Rc6 23. f3 Na5 24. Re2 Qa3 25. Bd3) 22... Qxc2 23. Bxc2 Rfd8 24. f3 {The position is equal.} Rd7 25. Bd3 Nb2 26. Bb5 Bc6 27. Ba6 Bb7 28. Bb5 Rf7 29. Bf1 Nc4 30. Bd3 Nb2 31. Bf1 Rff8 32. Rc2 Nc4 33. Bd3 Rf7 34. Rcc1 Rff8 35. Re2 Rf7 36. h3 Na3 37. Bd6 Nc4 38. Bg3 Rd7 39. Bf4 Rf7 40. Kh2 {Precision: White = 33%, Black = 46%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Van Kerkhof, David"]
[Black "Ider, Borya"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2324"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,114,0,0,-25,95,22,93,20,20,0,0,0,0,0,0,0,0,-8,-8,-12,16,0,0,0,0,-7,0,0,0,-9,0,-37,0,-20,-24,-27,-26,-31,32,0,129,0,0,0,36,57,124,131,118,69,112,121,120,98,133,91,125,106,104,-349,-352,-334,-341,-346,-342,-343,-310,-282,-267,-356,-356,-323,-312,-1158,-1135,-12818,-1351,-12822,-1370,-1354,-1013,-12831,-12833,-12833,-12834,-12837,-12838,-12845,-12846,-12846,-12847,-12848,-12847,-12848,-12848]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Be3 c5 7. dxc5 Nd7 8. Qg4 Qa5+ {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 9. c3 Nxc5 10. Bxc5 Bxc5 11. Qxg7 Rf8 {LiveBook: 4 Games} 12. Qxh7 e3 $146 ({Don't play} 12... Qb6 $6 13. O-O-O $16) (12... Ba3 $11 13. Rb1 Bxb2 14. Rxb2 Qxc3+ 15. Rd2 Qc1+ 16. Ke2 Bd7 17. Qxe4 Bb5+ 18. Ke3 (18. Kf3 Bc6 $17) 18... Qc5+ 19. Qd4 Qxd4+ 20. Rxd4 Bxf1) ({Predecessor:} 12... Bd7 13. Qxe4 Qb6 14. O-O-O O-O-O 15. Qc4 Bc6 16. Rxd8+ Rxd8 {½-½ (24) Singer,C (2362)-Reschun,S (2244) Austria 2012}) 13. fxe3 ({White should play} 13. f4 $1 $16) 13... Bxe3 (13... Bd7 $1 $11) 14. Qe4 (14. Qd3 $16 Qb6 15. Rd1) 14... Qb6 $11 15. Bb5+ Qxb5 16. Qxe3 {Hoping for 0-0-0.} Qxb2 17. Rd1 Qxg2 {[#]} 18. Qd4 $1 {[%csl Gd1][%cal Rd4d8][%mdl 512]} Qd5 $1 19. Qxd5 exd5 20. Ne2 Bd7 21. Nf4 O-O-O 22. Kf2 Bc6 {next ...d4 is good for Black.} 23. Rhg1 Rh8 24. h3 Rde8 25. Rde1 Bd7 26. Re3 Be6 27. Rh1 Rh4 28. Kg3 Rh6 29. h4 Bd7 ({Better is} 29... Rg8+ $15 30. Kf3 Bg4+ 31. Kf2 Ra6) 30. h5 Ra6 (30... Rg8+ $11 31. Kf2 Rg5) 31. h6 (31. Nxd5 $16 Rg8+ 32. Kf3) 31... Rg8+ 32. Kf2 Rxa2+ 33. Re2 Ra4 (33... Rxe2+ $14 34. Kxe2 Be6) 34. Nxd5 $16 Rh8 35. Nf6 Bc6 36. Rh2 Rf4+ 37. Ke1 Bb5 38. Re3 {aiming for h7.} Rd8 {[%csl Gb5][%cal Rf4f1]} 39. c4 Bxc4 {[%csl Gc4][%cal Rf4f1] [#]} 40. Rf2 $2 {[%mdl 8192] [#]} (40. Rh1 $1 $16 {h7 is the strong threat.} Rfd4 41. Kf2) 40... Rh4 $1 $19 {[%cal Rh4h1] ( -> ...Rh1+)} 41. Rff3 {With the idea Rh3.} Rxh6 ({Don't do} 41... Rh1+ 42. Kf2 $19) 42. Ne4 Rh1+ 43. Kf2 Rf1+ 44. Kg3 Rxf3+ 45. Rxf3 {[%mdl 4096] Endgame and the idea Nd6+ leaves White hopeful. KRB-KRN} Bd5 46. Rc3+ Kd7 47. Kf4 $2 (47. Nc5+ Ke7 48. Ra3) 47... Bxe4 {Black is clearly winning.} 48. Kxe4 {KR-KR} Rc8 (48... Ke6 $142 49. Ra3 Ra8) 49. Rf3 Ke7 (49... Ke6 $142 50. Rf6+ Ke7) 50. Rb3 b6 51. Ra3 Rc7 52. Kd5 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 53. Rb3 a4 54. Rxb6 Ra7 55. Rb2 a3 56. Ra2 Ra4 57. Kc5 Ke6 {Precision: White = 25%, Black = 48%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "8"]
[White "Nitin Shankar Madhu"]
[Black "Antal, Gergely"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1902"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,72,2,4,-14,-23,-27,-27,0,-37,-15,-16,-20,-8,-12,0,-27,0,-43,-34,-76,0,0,109,115,102,0,0,-12,-5,-134,-127,-141,-147,-191,-218,-212,-67,-235,-118,-364,-334,-379,-363,-348,-329,-559,-454,-443,-447,-439,-439,-450,-431,-443,-445,-501,-497]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (7. Qd2 Nf6 8. f4 Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 13. exd5 exd5 14. Nb3 Nc4 15. Bd4 Ne4 {1-0 (57) Carlsen,M (2834)-Matlakov,M (2718) Wijk aan Zee 2018}) 7... Ne5 8. Qg3 h5 9. Nf5 f6 {LiveBook: 3 Games} 10. Nxg7+ Kf7 11. Nxh5 $1 (11. f4 h4 $17) 11... Rxh5 12. f4 Nc4 13. Bxc4 Qxc4 14. O-O-O $1 b5 $146 ({Predecessor:} 14... Ne7) 15. f5 exf5 16. Qf3 Rh4 {[%cal Rf5e4]} 17. Rd4 Qc6 18. Qg3 Rg4 ({Black should try} 18... Rh8 $17 19. Rhd1 b4) 19. Qh3 $11 Qe6 {[#]} (19... Bc5 $11 {keeps the balance.} 20. Rd3 Bxe3+ 21. Rxe3 Kf8) 20. Nd5 $1 $16 {[%mdl 1024] White has strong compensation.} (20. exf5 $6 Qxe3+ 21. Qxe3 Bh6 $11) 20... Qe5 21. Qh5+ (21. Rhd1 $16 Ne7 22. Qh7+ Bg7 23. Qh5+ Kg8 24. Qe8+ Bf8 25. Bh6) 21... Kg7 $11 22. Rf1 d6 $1 {And now ...f4 would win.} 23. Nc7 {[#]} (23. Rf4 $11) 23... Bd7 $1 $17 24. Nxa8 {Strongly threatening Qh3.} f4 $36 {[%mdl 2048] Black is on the roll.} 25. Qh3 {Hoping for Bf2.} fxe3 26. Qxe3 Qc5 ({Don't play} 26... Qxh2 27. Qh3 $17) (26... Rxg2 27. Kb1) (26... Kh8 $19 {...Bh6 is the strong threat.} 27. Kb1 Bh6) 27. Qd2 $2 (27. Rd3 $15 Qxe3+ 28. Rxe3) 27... Be6 ({Black should play} 27... Qc6 $19 28. e5 Rxg2 29. exf6+ Nxf6) 28. Rf3 $2 (28. h3 $17 Rg5 29. Qc3) 28... Kf7 ({Not} 28... Bxa2 29. Rc3 $17) 29. Kb1 Qc6 30. h3 Rg6 ({Less strong is} 30... Rxe4 31. Rxe4 Qxe4 32. Nc7 $17) 31. e5 $2 (31. b3) 31... Qxa8 {Black is clearly winning.} 32. exd6 {[#]} Qxf3 $1 {[%mdl 512]} 33. gxf3 Rg1+ 34. Qd1 Rxd1+ 35. Rxd1 {Black should prevent d7.} Ke8 36. a4 Kd7 {Precision: White = 40%, Black = 62%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Rapport, Richard"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2715"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,10,8,0,4,0,0,4,11,2,18,22,13,18,34,42,51,0,0,0,0,0,0,0,0,0,0,0,0,-37,-25,-36,-63,-17,0,0,0,0,0,-35,-73,-78,-70,-75,-77,-68,0,-100,-72,-114,-115,-119,-121,-122,-115,-127,-93,-91,-71,-60,-68,-80,-74,-193,-193,-194,-193,-193,-190,-515,-538,-509,-477,-1450,-1461,-6123,-6123,-6123,-6123,-6099,-229,-6095,-6091,-2423,-2014,-511,-458]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 {[%cal Bg5h4,Bh4g3,Bg3f4][%mdl 32]} O-O 7. Rc1 Nbd7 8. cxd5 exd5 9. Bd3 c6 {[%cal Bc7c6,Bc6c5,Bc5c4][%mdl 32]} 10. Bg3 {D54: Queen's Gambit Declined: 4 Bg5 Be7: Lines without Nf3} Re8 11. h3 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Nf3 Nh5 12. Be5 Nxe5 13. Nxe5 Nf6 14. O-O Bd6 15. f4 Be6 16. h3 a6 17. Rf2 c5 {½-½ (36) Jezek,J (2515)-Mokrys,C (2420) ICCF corr 1996}) 11... Bb4 12. Nf3 {The position is equal.} Ne4 13. Bf4 c5 (13... Bd6 {NOTEXT} 14. Bxd6 Nxd6 15. O-O Nf6 16. Qc2 Nfe4) 14. O-O Bxc3 15. bxc3 Nb6 16. Ne5 f6 17. Ng4 (17. Ng6 $14) 17... c4 $1 $11 {[%cal Rc4d3]} 18. Bb1 h5 $1 {[%cal Rh5g4]} 19. Nh2 g5 20. Qxh5 {Black must now prevent f3.} gxf4 21. f3 Nd6 22. Qh7+ Kf8 {[%cal Bg8f8,Bf8e7,Be7e6,Be6d7,Bd7c6,Bc6c7,Bc7b8][%mdl 32]} 23. Qh6+ Ke7 24. Qg7+ Ke6 25. Rfe1 Re7 26. Qg4+ f5 {[#]} 27. Bxf5+ $1 {[%mdl 512]} Nxf5 28. Qg6+ (28. e4 $11) 28... Kd7 $17 29. Qxf5+ Kc6 30. Qxf4 Be6 $36 {[%mdl 2048] White is under strong pressure.} 31. e4 Qg8 (31... Qf8 $15 32. Qg5 Rg7) 32. Qh6 (32. a4 $11) 32... Kc7 33. Kh1 Rf8 34. Re2 Rh7 35. Qd2 Kb8 36. Rce1 dxe4 37. fxe4 Bd7 38. Rf2 Re8 39. Qf4+ Ka8 40. Nf3 (40. Re3 $17) 40... Rf8 $19 41. Qh2 Na4 42. Re3 {[#]} a6 $1 43. Qe5 $2 {[#]} (43. Rfe2 {is more resistant.}) 43... Bxh3 $1 {[%mdl 512]} 44. Kg1 (44. gxh3 Rxh3+) 44... Rg7 {[%cal Rg7g2]} 45. Nh4 (45. Qh2 $142 Rg3 46. Kh1) 45... Rxf2 46. Kxf2 Rxg2+ 47. Nxg2 Qxg2+ ({Wrong is} 47... Bxg2 $2 48. Rg3 $18) 48. Ke1 Qf1+ 49. Kd2 {And now Qh8+ would win.} Bg4 {[%csl Gg4][%cal Rf1d1] Black is clearly winning.} 50. Qe8+ Ka7 {[%csl Gg4][%cal Rf1d1]} 51. Qxa4 Qf2+ {Precision: White = 58%, Black = 69%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Van Wely, Loek"]
[Black "Kanarek, Marcel"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2667"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,126,42,62,25,52,52,51,48,49,25,48,24,37,0,2,-11,0,-10,0,-20,-25,-22,-36,-39,-37,-31,-27,-28,0,0,0,-50,-37,-39,0,0,0,-27,-50,-15,-21,-45,-32,-136,-119,-163,-8,-25,-17,-193,-27,-32,0,0,0,-39,-48,-64,8,8,8,8,10,0,39,32,43,56,29,25,26,34,35,10,11,8,34,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Re8 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} 12. a4 Bf8 {LiveBook: 6 Games} (12... c5 13. Ba3 Ra6 14. Nd2 Rf8 15. Bb2 Ne8 16. Nb5 f5 17. exf5 gxf5 {0-1 (36) Eljanov,P (2713)-Hjartarson,J (2513) Reykjavik 2018}) 13. Ne1 c5 {White has an edge.} 14. Ba3 $146 ({Predecessor:} 14. dxc6 Nxc6 15. Ba3 Be6 16. Nc2 Na5 17. Ne3 Rc8 18. Rb1 Rc6 19. c5 dxc5 {0-1 (41) Inchausti,P (2156)-Sosa,T (2289) Villa Martelli 2014}) 14... Nd7 15. Nb5 Ra6 16. Bb2 Bg7 17. Ra3 f5 18. exf5 Nxf5 19. Nc2 Nf6 20. Re1 Nd4 21. Ne3 Bd7 22. h3 Rf8 23. Nc3 Bh6 24. Bc1 Bf4 25. Nf1 Bf5 {...Bc2 is the strong threat.} 26. Bxf4 exf4 27. Bd3 Bxd3 28. Qxd3 Nd7 (28... f3 $5 {[%cal Rf3g2]} 29. g3 Nd7 $15) 29. Nb5 Ne5 30. Qc3 Qg5 $36 {[%mdl 2048] Black fights for an advantage.} 31. Nxd4 cxd4 32. Qxd4 Rxa4 $1 33. Rc3 ({Much weaker is} 33. h4 Qf6 $17) ({Better is} 33. Rea1 $1 $15) 33... b5 $1 $17 {[%cal Ra4c4]} 34. Nd2 {[#]} bxc4 $2 (34... f3 $1 $19 {[%csl Gf3][%cal Rg5g2]} 35. g3 Ra2) 35. Ne4 Qe7 36. Rb1 $2 {[#]} (36. Rcc1 $11 {and White is okay.}) 36... Rfa8 $2 (36... f3 $1 $19 37. g3 Qd7) 37. Qb6 Nd7 38. Qd4 Ne5 39. Qb6 R4a6 40. Qb7 R6a7 (40... Qxb7 $15 41. Rxb7 Rf8) 41. Qxe7 $11 Rxe7 42. Nxd6 Ra5 43. Ne4 Nd7 44. Rxc4 {Strongly threatening d6.} Rxd5 45. Rb7 {aiming for Nf6+!} Rf7 46. h4 h6 47. f3 Kg7 48. Nf2 g5 49. Rcc7 gxh4 50. Nh3 Rd4 {The position is equal.} 51. Nxf4 Rdxf4 52. Rxd7 Rxd7 53. Rxd7+ {[%mdl 4096] Endgame KR-KR} Kg6 54. Kh2 Ra4 55. Kh3 Rb4 56. Rd5 Rc4 57. Re5 Rb4 58. Re4 Rxe4 59. fxe4 Kg5 60. e5 Kf5 61. Kxh4 Kxe5 62. Kh5 Kf4 63. Kxh6 Kg3 {Precision: White = 42%, Black = 55%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Shirov, Alexei"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2651"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,33,22,15,16,6,19,23,14,23,35,0,0,0,30,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. g5 {B81: Sicilian Scheveningen: Keres Attack} (8. Bg2 Bb7 9. O-O Nfd7 10. Re1 Be7 11. e5 d5 12. a4 b4 13. Nxd5 Bxd5 14. Bxd5 exd5 15. e6 O-O 16. exd7 Qxd7 {1-0 (44) Anand,V (2803)-Volokitin,A (2639) Berlin 2015}) 8... b4 9. gxf6 bxc3 10. fxg7 Bxg7 11. bxc3 {LiveBook: 3 Games} Qc7 12. Bd2 Nd7 13. Rg1 Bf6 14. Qh5 {[#] aiming for Nxe6.} Ke7 15. Bd3 (15. Qa5 $5 {[%cal Ra5c7]} Ra7 16. Qh5 $11) 15... Bb7 $1 16. Ke2 $146 d5 17. exd5 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Gordievsky, Dmitry"]
[Black "Lobron, Eric"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2630"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,53,39,56,25,260,231,260,255,259,208,189,195,307,307,336,345,359,356,360,99,87,92,410,397]} 1. Nf3 d5 2. c4 e6 3. g3 c5 4. cxd5 exd5 5. d4 Nc6 6. Nc3 Nf6 7. Bg2 Be7 8. O-O O-O 9. b3 Ne4 10. Bb2 Bf6 11. Na4 b6 12. Rc1 Ba6 13. dxc5 Bxb2 14. Nxb2 bxc5 15. Na4 Re8 16. Re1 c4 $1 {LiveBook: 71 Games} 17. bxc4 {[#] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} dxc4 $146 {[#]} (17... Bxc4 $11 18. Nd2 Nxd2 19. Qxd2 Rc8) ({Predecessor:} 17... Bxc4 18. Nd2 Nxd2 19. Qxd2 Qf6 20. Bxd5 Bxd5 21. Qxd5 Nd4 22. Nc5 Rad8 23. Nd7 Qe6 24. Qxd4 Rxd7 {½-½ (74) Mikhalevski,V (2380)-Greenfeld,A (2590) Beersheba 1993}) 18. Nd2 $1 $18 {[%cal Rd2e4][%mdl 512]} Nxf2 (18... Qxd2 19. Qxd2) 19. Kxf2 {White has a decisive advantage.} Qf6+ 20. Nf3 Rad8 21. Qc2 Nd4 (21... Ne5 {is a better defense.}) 22. Qc3 Bb5 23. Nb2 Re5 24. Rcd1 (24. Nxc4 Rc5 $18) 24... Red5 25. Nxc4 $2 (25. e4 $18 {has better winning chances.} Nxf3 26. Qxf6 Rd2+ 27. Rxd2 Rxd2+ 28. Kxf3 gxf6 29. Nd1) 25... Bxc4 $16 26. Qxc4 {[#] Strongly threatening Qc3.} Qb6 $2 {[%mdl 8192]} (26... g5 $16) 27. Rb1 {Precision: White = 52%, Black = 18%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Banusz, Tamas"]
[Black "Fominyh, Alexander"]
[Result "*"]
[WhiteElo "2618"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,22]} 1. Nf3 {Predecessor:} d5 $146 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 e6 6. Nbd2 Bd6 7. dxc5 Bxc5 8. Bd3 h6 9. Qe2 Nh5 10. Bg3 Nxg3 11. hxg3 Bd7 12. e4 dxe4 13. Nxe4 Be7 14. g4 Qc7 15. g5 O-O-O 16. gxh6 gxh6 {½-½ (101) Mamedyarov,S (2809)-Nakamura,H (2787) Moscow 2018} *

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Kozul, Zdenko"]
[Black "Sinz, Bernhard"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2617"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,14,10,15,0,6,0,12,0,0,0,29,5,41,52,56,41,54,56,47,19,22,16,35,28,22,9,24,21,20,20,20,20,20,20,28,20,20,28,18,21,94,87,81,82,148,149,148,135,141,134,129,133,137,122,129,127,141,133,287,185,178,178,174,97,169,200,200,183,164,178,5169,5097,2319,2319,6733,5097,5206,4198]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 f5 5. g3 Nf6 6. Bg2 Bd6 7. O-O O-O 8. b3 b6 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (8... Nbd7 9. Bb2 b6 10. Ne5 Bb7 11. Rc1 Rc8 12. e3 Ne4 13. Nxe4 dxe4 14. Nxd7 Qxd7 15. f3 exf3 16. Qxf3 Qe7 17. Rcd1 {0-1 (36) Vovk,Y (2617)-Wei,Y (2734) Baku 2015}) 9. Ne5 Bb7 10. Bb2 {LiveBook: 20 Games} Na6 {The position is equal.} 11. Ndf3 Rc8 $146 ({Find the theoretical novelty and annotate with similar games:} 11... Qe7 12. e3 Rac8 13. Qe2 Rc7 14. Rac1 c5 15. cxd5 exd5 16. dxc5 Nxc5 17. Rfd1 Nfe4 {0-1 (64) Afifi,A (2405)-Abou el Zein,E (2330) Bahrain 1990}) 12. e3 c5 13. Qe2 Qe7 14. Rfd1 Rfd8 15. cxd5 Nxd5 16. Nc4 Bb8 17. Ne1 Nf6 18. Bxb7 Qxb7 19. dxc5 Nxc5 20. Bxf6 gxf6 21. Rxd8+ Rxd8 22. Rd1 Qe7 (22... Rxd1 {NOTEXT} 23. Qxd1 Qd7 24. Qxd7 Nxd7 25. Nd3 b5) 23. Nf3 Rxd1+ 24. Qxd1 Qd7 25. Qxd7 Nxd7 $11 {[%mdl 4096] Endgame KBN-KNN} 26. Nd4 Kf7 27. Nc6 e5 $1 28. Kg2 Ke6 $1 29. Kh3 Kd5 (29... b5 $11 {keeps the balance.} 30. Nd2 (30. Nxb8 Nxb8 31. Nd2 Na6 $11) 30... a6) 30. Nxb8 $16 Nxb8 {KN-KN} 31. Kh4 Ke4 (31... f4 $142) 32. Kh5 $1 Kf3 33. Kh6 Kxf2 34. Kxh7 b5 35. Nd6 $1 {[%csl LRb5,LRf5]} Kxe3 36. Nxf5+ Ke4 37. Kg6 {aiming for h4.} Nd7 38. Nd6+ Kf3 $2 (38... Kd3 $16) 39. Nxb5 e4 {[#]} 40. Nd4+ $1 Kf2 {[#] Threatens to win with ...e3.} 41. Nc2 ({White should play} 41. Nf5 $1 $18) 41... e3 {[#]} (41... Ke2 $16) 42. Nxe3 $1 $18 {[%mdl 512]} Kxe3 {KN-KP} 43. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] And now h5 would win.} Kf3 44. h5 {Kg7 is the strong threat.} Ne5+ $2 (44... Kxg3 45. Kg7 Nc5) 45. Kxf6 {White is clearly winning.} Ng4+ 46. Kg5 Kxg3 47. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} ({Worse is} 47. h6 Nxh6 48. Kxh6 Kf4 $11) 47... Kf3 48. b5 {Precision: White = 73%, Black = 46%.} ({Stronger than} 48. h6 Nxh6 49. Kxh6 Ke4 $11) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Landa, Konstantin"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2613"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,49,0,0,6,0,26,16,12,-8,-8,-8,-7,-8,-11,-16,0,-5,8,0,12,18,23,-3,0,1,0,0,0,14,13,5,4,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bf8 9. Bd2 {LiveBook: 31 Games. E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3} a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} (9... b6 10. Rc1 c5 11. Nf4 Bb7 12. Qf3 Na6 13. Rfd1 cxd4 14. exd4 Nc7 15. Bc2 Bd6 {1-0 (44) Carlsen,M (2832)-Karjakin,S (2781) Stavanger 2017}) 10. Rc1 b5 $146 ({Predecessor:} 10... Nbd7 11. Nf4 c6 12. f3 b5 13. Qe1 Bb7 14. Nce2 c5 15. Bb1 Bd6 {1-0 (55) Aleksandrov,A (2679)-Lagno,K (2493) Moscow 2004}) 11. Nf4 {White has an edge.} Bb7 12. Bb1 Nbd7 13. Nce2 a5 14. Qe1 b4 15. f3 Bd6 16. Qf2 Nf8 17. Nd3 Ne6 18. Nef4 Nxf4 19. Nxf4 Nd7 {The position is equal.} 20. e4 dxe4 21. fxe4 Bxe4 {[#]} 22. Ne6 $1 {[%mdl 512]} fxe6 (22... Rxe6 23. Qxf7+) 23. Bxe4 Rf8 24. Qe3 Rb8 25. Bxh7+ {Precision: White = 56%, Black = 63%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Papp, Gabor"]
[Black "Kevlishvili, Robby"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2604"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,17,39,59,79,76,79,0,0,0,19,16,29,16,16,13,16,0,0,19,0,-14,-13,-7,-6,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O O-O 10. Kb1 {B98: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7, sidelines} b5 (10... Nc6 11. Qg3 Bd7 12. Be2 Rfc8 13. e5 dxe5 14. fxe5 Nxe5 15. Bf4 Bd6 16. Rhf1 Nc4 17. Bxd6 Qxd6 18. Qxd6 Nxd6 19. Nxe6 Rxc3 20. Rxd6 {½-½ (27) Papp,G (2607)-Debashis,D (2501) Caleta 2018}) 11. e5 $146 {[%cal Re5f6]} ({Predecessor:} 11. Bd3 Nbd7 12. f5 e5 13. Nde2 Bb7 14. g4 Rac8 15. Ng3 b4 16. Bxf6 Nxf6 17. Nce2 d5 18. Rhe1 dxe4 19. Nxe4 Nxe4 20. Bxe4 Bxe4 21. Qxe4 Rfd8 {½-½ (21) Nagy,H (2073)-Benyovszki,P Gyula 2001}) 11... Bb7 {[#]} 12. Qg3 ({White should try} 12. exd6 $1 $16 Bxd6 13. Qh3) 12... dxe5 13. fxe5 {Bxf6 is the strong threat.} Ne4 14. Nxe4 Bxe4 15. Qh4 Bxg5 {The position is equal.} 16. Qxe4 Nd7 17. Bd3 {[%csl Gd3][%cal Re4h7] [#]} g6 18. h4 {[%cal Bh2h4,Bh4h5,Bh5g6][%mdl 32]} Nc5 19. Qf3 Bh6 20. h5 {Hoping for hxg6.} Qxe5 21. hxg6 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Sumets, Andrey"]
[Black "Grinberg, Eyal"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2590"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,106,41,16,54,64,59,52,89,87,91,82,152,145,135,139,156,156,156,148,143,148,143,126,410,407,407,407,361,325,318,306,366,162,149,165,136,105,109,96,162,141,154,104,114,103,103,0,101,110,102,120,104,0,62,0,117,38,147,0,0,0,98,0,0,0,0,0,0,0,0,0,0,-158,-14,-183,-173,-440,-398,-1694,-1542,-29979,-29980,-29978,-29976,-2178,-1398]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Rc1 e6 8. Bd3 Be7 9. h3 O-O 10. Nf3 Bd7 11. O-O Rc8 12. Qe2 {LiveBook: 12 Games. D13: Slav Defence: Exchange variation without ...Bf5} (12. Ne5 Be8 13. Bg5 h6 14. Bh4 Nd7 15. Nxc6 Rxc6 16. Bxe7 Qxe7 17. Na4 Nf6 18. Qb3 Rxc1 19. Rxc1 Bxa4 20. Qxa4 Qd6 {½-½ (20) Artemiev,V (2663)-Vitiugov,N (2721) Sochi 2016}) 12... Qa5 13. a3 Na7 $146 ({Find the theoretical novelty and annotate with similar games:} 13... b5 14. Ne5 Rfd8 15. Bg5 Be8 16. f4 Qb6 17. Kh2 Na5 18. g4 Nc4 19. Rg1 a5 20. Bxf6 Bxf6 {0-1 (49) Reilly,T (2258)-Caoili,A (2041) Sydney 1999}) 14. Ne5 {White is slightly better.} Bb5 15. Nxb5 Nxb5 16. Bg5 Rfe8 (16... h6 $142 17. Bxf6 Bxf6) 17. Bxf6 $16 Bxf6 18. Bxh7+ Kxh7 19. Qh5+ $40 {[%mdl 128] White attacks with force.} Kg8 20. Qxf7+ Kh8 21. Rxc8 $1 ({Don't play} 21. Qxb7 $6 Rxc1 22. Rxc1 Bxe5 $14) 21... Rxc8 22. Qxe6 Rc7 $2 {[%mdl 8192]} (22... Qc7 $16) 23. Ng6+ $18 Kh7 24. Nf8+ Kh8 25. Qf5 {[%csl Gf8][%cal Rf5h7]} (25. Qxd5 Qb6 $18) 25... Kg8 26. Nd7 Na7 27. Nxf6+ (27. Qe6+ $142 Kh7 28. Qf5+ Kg8 29. Qe6+ (29. Nxf6+ gxf6 30. Qxf6 Nc6 $16) 29... Kh7 30. Qf5+ Kg8) 27... gxf6 28. Qxf6 {Hoping for b4.} Nc6 29. h4 Rf7 30. Qg6+ Rg7 (30... Kf8 $16 31. h5 Qc7) 31. Qe8+ Kh7 32. Rc1 Ne7 33. Qh5+ Kg8 34. Qe8+ Kh7 35. Rc3 $1 Qb6 36. Qh5+ Kg8 37. Qe8+ Kh7 38. Qh5+ ({White should play} 38. g3 $1 $14) 38... Kg8 $1 $16 39. b4 (39. Rc2 $16) 39... Qe6 (39... a5 $1 $14) 40. Qe8+ ({White should try} 40. Rc7 $1 $16) 40... Kh7 $11 41. Qh5+ ({Better is} 41. g3 $11) 41... Kg8 $1 $16 42. Qe5 (42. Rc7 $16) 42... Qg4 $11 {[%csl Gg7][%cal Rg4g2]} 43. g3 {And now Rc7 would win.} Qe2 {Threatens to win with ...Qe1+.} 44. Rc1 Rf7 45. Qg5+ Kh7 46. Rf1 Qf3 47. h5 $2 {[#]} (47. Qe5 $11) 47... Rf6 (47... Ng8 $1 $17) 48. Qe5 $2 {[#]} (48. Qh4 $11 {and White stays safe.}) 48... Ng8 $1 $19 49. e4 $2 (49. Qc7+ Kh8 50. Qe5 (50. Qxb7 $2 Rh6 $19)) 49... dxe4 50. d5 $2 (50. Qg5 Nh6 51. Qe3) 50... Rf5 51. Qc7+ Kh8 52. h6 Nxh6 53. Qd8+ Ng8 {Precision: White = 40%, Black = 53%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Buhmann, Rainer"]
[Black "Basso, Pier Luigi"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2588"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,111,0,4,9,9,8,-8,14,13,10,10,15,6,8,8,8,8,14,7,11,12,10,11,12,0,25,16,22,17,27,7,8,10,18,6,0,0,0,0,0,0,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,5,6,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O Nd4 6. Nxd4 Bxd4 7. c3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Bb6 8. Na3 c6 9. Ba4 d6 10. Nc4 Bc7 11. Bb3 {LiveBook: 9 Games} Be6 12. Re1 h6 13. Ne3 $146 ({Predecessor:} 13. Qf3 O-O 14. Ne3 Qd7 {½-½ (40) Gormally,D (2462)-McShane,L (2644) Llandudno 2017}) 13... O-O 14. Bxe6 fxe6 15. Ng4 Bb6 16. Be3 Nxg4 17. Qxg4 Qf6 18. Qe2 Bxe3 19. Qxe3 Qf4 20. Rad1 Qxe3 21. Rxe3 $11 {[%mdl 4096] Endgame KRR-KRR} Rad8 22. Kf1 Kf7 23. Ke2 Ke7 24. Rg3 Kf7 25. Ke3 g6 {The position is equal.} 26. a4 Kg7 27. Ke2 Rd7 28. Re3 Rb8 29. d4 exd4 30. cxd4 g5 31. b4 a5 32. Rb3 axb4 33. Rxb4 Ra8 34. Rdb1 Kf6 35. Ke3 Ra5 36. g3 c5 37. Rc4 cxd4+ 38. Rxd4 Rc5 39. f4 gxf4+ 40. gxf4 e5 41. fxe5+ Kxe5 42. Rb5 Rxb5 43. axb5 {KR-KR} d5 44. h4 h5 45. b6 Rd6 46. Rxd5+ Rxd5 47. exd5 Kxd5 {KPP-KPP} 48. Kf4 {[#] Hoping for Kg5.} Kc5 49. Kg5 Kxb6 50. Kxh5 {Threatens to win with Kg4. KP-KP} Kc5 51. Kg5 b5 52. h5 {[#] Threatening mate with h6.} b4 53. h6 {Strongly threatening h7.} b3 54. h7 b2 55. h8=Q b1=Q 56. Qe5+ {Precision: White = 65%, Black = 68%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Lagarde, Maxime"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2587"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,105,22,24,24,22,17,20,16,32,18,17,20,24,11,28,33,42,45,47,51,54,39,45,43,62,51,59,46,43,42,49,53,50,47,51,54,122,25,36,0,15,-20,0,0,8,-20,0,0,59,0,92,19,6,14,25,8,11,4,4,4,4,7,56,60,123,128,261,263,310,307,557,535,599,584,551,483,444,342,342,343,337,329,357,349,344,333,272,250,460,453,739,716,739,739]} 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Be7 6. h3 O-O 7. O-O Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32] LiveBook: 21 Games} 8. Bf4 {C01: French: Exchange Variation} (8. Re1 Re8 9. Bf4 c6 10. c3 Bf8 11. Nbd2 g6 12. Qc2 a5 13. a4 Bg7 14. Nf1 Nf8 15. Rxe8 Nxe8 {½-½ (41) Ivanov,A (2513)-Kamsky,G (2706) ICC INT 2014}) 8... Re8 9. Nc3 {Black must now prevent Nb5.} a6 10. Re1 $146 {The position is equal.} ({Predecessor:} 10. Ne2 Nf8 11. Re1 c6 12. Ng3 Be6 13. Nf5 Ng6 14. Nxe7+ Qxe7 {1-0 (38) Krasowski,S (2012)-Oleniak,W (1849) Police 2013}) 10... Nf8 11. Qd2 Ne6 12. Be5 c6 13. Re2 Bd6 14. Rae1 Bxe5 15. Rxe5 Bd7 16. Ne2 c5 17. Ng3 cxd4 18. Bf5 Nc7 19. Nxd4 g6 20. Bd3 Rxe5 21. Rxe5 Ne6 22. Nxe6 Bxe6 23. Qf4 Nd7 24. Re3 Nc5 {[#]} (24... Rc8 $14) 25. Qd4 ({White should play} 25. Nh5 $1 $16 {[%mdl 512] White threatens Qh6 and mate.} Nd7 (25... gxh5 26. Qh6) 26. Qd4) 25... Rc8 $11 26. h4 h5 27. Qf4 Bg4 28. Re5 Ne6 (28... Qxh4 $2 {[#]} 29. Nxh5 $1 {[%mdl 512]} Nxd3 30. cxd3 $16) 29. Qe3 {Hoping for f3.} d4 30. Qe1 {Threatens to win with f3.} Ng7 (30... Nf4 $11) 31. f3 (31. Ne4 $14) 31... Bd7 (31... Be6 $11 {remains equal.}) 32. Qe4 ({White should try} 32. Rd5 $16) 32... Bc6 33. Qf4 $36 {[%mdl 2048] White fights for an advantage.} Qd6 34. Ne4 Bxe4 $1 35. Qxe4 Ne6 36. b4 Rc6 37. a3 Qd8 38. g3 Qf6 (38... Ng7 $14) 39. f4 $16 Rc3 (39... Ng7 $16 {was worth a try.}) 40. f5 $18 (40. Qxb7 Ng7 $18) 40... gxf5 41. Rxf5 Qh6 $2 (41... Qg7 42. Kg2 (42. Qxb7 Qxg3+ 43. Qg2 Qxg2+ 44. Kxg2 Rxa3 $14) 42... Rc6 43. Rxh5 Rc3) 42. Qxb7 Rc7 43. Qa8+ Kg7 44. Qf3 Qe3+ 45. Qxe3 dxe3 {[%mdl 4096] Endgame KRB-KRN} 46. Rd5 (46. Rxh5 $6 Nd4 $18) 46... Rc3 47. a4 ({Don't do} 47. Rxh5 Rxa3 48. Ra5 Rc3 $18) ({Not} 47. Bxa6 Rxc2 48. Kf1 (48. Rxh5 $2 Nd4 $19) 48... Ra2 $18) 47... f5 48. Rxf5 Nd4 49. Rxh5 Ra3 50. Kg2 ({Much less strong is} 50. Bxa6 $6 Rxa4 51. Bd3 Ra1+ 52. Kg2 e2 $16) 50... Ra1 $2 (50... Rxa4 {was necessary.} 51. Re5 Rxb4 52. Rxe3 a5 53. Re7+ Kf6) 51. Re5 {White is clearly winning.} Re1 (51... Rxa4 $142 52. Rxe3 Rxb4) 52. Re4 e2 53. c3 {Precision: White = 60%, Black = 37%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Heimann, Andreas"]
[Black "Fedorovsky, Michael"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "2574"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,67,23,29,32,40,32,52,42,45,41,43,50,44,56,49,56,54,56,52,42,46,37,19,12,19,5,5,5,1,4,17,8,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bxf6 gxf6 9. exd5 Qxd5 10. Qxd5 Bxd5 11. Nc3 Be6 $1 12. O-O-O {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} (12. Nb5 Kd8 13. O-O-O+ Kc8 14. Nc3 Nd7 15. Nd5 h5 16. Bb5 Bxd5 17. Bxd7+ Kxd7 18. Rxd5+ Ke6 19. Rhd1 h4 20. Kb1 Rg8 21. c4 Rxg2 22. Nd4+ Ke7 23. f4 Rxh2 24. Nf5+ Ke6 25. Nd4+ Ke7 26. Nf5+ Ke6 {½-½ (26) Nabaty,T (2690)-Sjugirov,S (2652) Batumi 2018}) 12... Nc6 13. Bb5 a6 14. Bxc6+ $1 {White is slightly better.} bxc6 15. Ne4 f5 16. Nd6+ Bxd6 $146 ({Predecessor:} 16... Ke7 17. Na5 Kf6 18. Nxc6 Rg8 19. g3 a5 {1-0 (50) Yildiz,B (2318)-Annaberdiev,M (2432) Cesme 2015}) 17. Rxd6 Rg8 18. g3 Bxb3 19. cxb3 $14 {[%mdl 4096] Endgame KRR-KRR} Rg6 20. Rhd1 Ra7 21. Kc2 Ke7 22. R6d2 {The position is equal.} Rb7 23. Kc3 a5 24. Rd8 Rh6 25. R1d2 Rxh2 26. Rxh2 Kxd8 27. Rxh7 $11 {KR-KR} Ke7 28. Rh6 Rb8 29. Rxc6 Rg8 30. b4 axb4+ 31. Kxb4 Rxg3 32. Rc3 e4 33. fxe4 Rxc3 34. Kxc3 {Precision: White = 76%, Black = 93%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Heberla, Bartlomiej"]
[Black "Carow, Johannes"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2570"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,92,25,34,35,36,25,37,37,40,33,33,27,35,35,44,41,31,31,39,41,64,41,26,50,35,8,20,16,19,15,21,7,10,14,27,20,45,9,9,6,6,4,2,0,0,0,0,-6,26,0,36,12,53,0,0,0,0,0,0,-24,-22,-26,-14,-23,-24,-25,-20,-52,0,-34,0,-29,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} e6 8. Qe1 Bxe2 9. Qxe2 Bd6 10. g3 Nf6 11. Nd2 O-O {LiveBook: 5 Games} 12. Nf3 a6 $146 ({Predecessor:} 12... Rfe8 13. Bg5 Nd7 14. Rad1 a6 {1-0 (40) Jumabayev,R (2620)-Annaberdiev,M (2485) Warsaw 2017}) 13. Bg5 Nd7 14. Rad1 b5 15. Rfe1 Rfe8 16. Bb1 Rac8 17. Qd3 Nf8 18. Kg2 b4 19. c4 dxc4 20. Qxc4 Qa5 21. Qe2 h6 22. Bc1 Ne7 23. Ne5 Bxe5 24. dxe5 Red8 25. Rxd8 Rxd8 26. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nf5 27. h5 Qd5+ 28. Qe4 Qb5 29. Bf4 a5 30. Rc1 g5 $132 {[%mdl 2048] Black has counterplay} 31. hxg6 $1 Nxg6 32. Re1 Kg7 33. Bc1 Rd5 34. b3 Kg8 ({Reject} 34... Nxe5 35. Bb2 $14 (35. g4 Nh4+ 36. Kg3 Neg6 $11)) 35. Bb2 Kg7 36. Qe2 Qd7 {[#] aiming for ...Rd2.} 37. Bxf5 (37. Qc4 $14 Kg8 38. Qg4) 37... Rd2 $11 38. Qf3 Rxb2 39. Rd1 Nxe5 40. Rxd7 (40. Qf4 {looks sharper.} Qxd1 41. Qxe5+ Kf8 42. Qxb2 Qd5+ 43. Kg1) 40... Nxf3 41. Bxe6 {[%mdl 4096] Endgame KRB-KRN} Ng5 (41... Ne5 {with more complications.} 42. Ra7 Rxa2 43. Kf1 Rd2 44. Rxa5 Nd3) 42. Bc4 Rxa2 43. Ra7 Kg6 44. Ra6+ Kg7 45. Ra7 Kg6 46. Ra6+ Kg7 {Precision: White = 55%, Black = 53%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "David, Alberto"]
[Black "Bakre, Tejas"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2566"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "263"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,263,23,15,16,14,22,20,25,13,17,26,14,14,19,5,35,22,22,22,26,27,55,22,24,21,26,36,34,36,39,47,51,49,42,3,27,11,51,21,68,59,208,186,340,116,133,70,69,62,62,65,66,78,67,68,75,72,108,74,74,74,84,77,112,118,112,113,121,114,153,153,153,130,130,130,152,145,171,171,170,164,163,156,149,149,239,149,239,239,235,235,228,219,233,0,0,0,233,222,233,232,310,283,264,141,212,203,212,125,324,310,348,294,286,260,519,566,522,466,455,454,428,429,522,516,533,542,535,519,483,479,493,0,447,429,385,378,571,513,488,327,287,258,516,580,580,576,494,456,304,285,278,278,1856,90,1856,1856,1823,1856,1849,1816,1856,1863,1863,1863,1856,1856,1856,1856,1856,1856,1838,1838,1823,1823,1823,1816,1802,1772,1718,1680,1645,1612,1581,1338,29976,29977,29978,29976,29976,29977,29977,29976,29976,29974,29974,29967,29972,29969,29969,29969,29972,29973,29973,29971,29973,0,29974,7760,1513,0,29974,29975,29974,0,29976,29978,29976,29977,29982,29983,29983,29984,29989,29984,29984,29985,29985,29986,29988,29989,29989,29990,29990,29991,29993,29993,29993,29994,29995,29996,29996,29996,29997,5957]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nc6 5. d4 cxd4 6. Nxd4 g6 {B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines} 7. Nc3 Bg7 8. Be3 Nf6 9. h3 O-O 10. O-O a6 (10... Rc8 11. Rc1 a6 12. Bxc6 Bxc6 {1-0 (60) Hou,Y (2663)-Nepomniachtchi,I (2719) Almaty 2016}) 11. Bxc6 {LiveBook: 11 Games} bxc6 12. c5 d5 13. e5 Ne4 $146 ({Predecessor:} 13... Ne8 14. f4 {1-0 (36) David,A (2565)-Bresciani,N (2226) Bratto 2014}) 14. Nxe4 dxe4 15. Qc2 Bxe5 16. Qxe4 Qc7 17. Rad1 Rad8 18. b3 Bxd4 19. Bxd4 Bf5 20. Qe2 Bc8 21. Be5 Qa5 22. Qe3 Rxd1 23. Rxd1 Rd8 24. Bd4 Qc7 25. Re1 $40 {[%mdl 128] White mounts an attack.} Rd7 26. Bc3 f6 27. h4 Kg7 28. h5 {And now h6+ would win.} Qd8 29. Qe4 Bb7 30. Re3 gxh5 ({Black should play} 30... Kf7 $14) 31. Qe6 {Hoping for Rg3+.} Kh8 $2 (31... Bc8 32. Qxc6 (32. Rg3+ Kh8 $16) 32... h4) 32. Rf3 $2 (32. f4 $18 {is the precise move to win.}) 32... Bc8 $16 {...Rd1+ is the strong threat.} 33. Qf7 (33. Qxc6 $16 Rd1+ 34. Kh2) 33... Qg8 $14 {[#]} ({But not} 33... Rd1+ $2 34. Kh2 $18) 34. Rxf6 $1 {[%mdl 512] Intending Rg6+ and mate.} Qxf7 (34... exf6 35. Bxf6+) 35. Rxf7+ {[%mdl 4096] Endgame KRB-KRB} Kg8 36. Rg7+ Kf8 37. Rxh7 Rd1+ 38. Kh2 Bg4 39. f3 Be6 40. Rxh5 {Threatens to win with Rh8+.} Rc1 41. Rh8+ Bg8 42. Bd4 Rd1 43. Be3 Ra1 44. Bg5 Kg7 45. Bxe7 Bd5 46. Rb8 Rxa2 47. Kg3 Rb2 48. Rb6 a5 49. Ra6 Rxb3 50. Rxa5 Rb2 51. Ra4 Kg6 52. Rg4+ Kf5 (52... Kf7 $16) 53. Rg5+ $1 $18 Ke6 54. Bd6 Rc2 55. Kf4 Rc4+ 56. Ke3 Rc2 57. Kf4 Rc4+ $1 58. Kg3 Rc2 59. Kh3 $1 Rc3 60. Re5+ Kf7 61. Re7+ Kg6 62. Rg7+ ({Only move:} 62. Be5 $1 $18 {[%cal Re5c3]} Rc1 63. Kh4) 62... Kf5 (62... Kf6 $16 {is a better defense.}) 63. Kh4 Kf6 {[#]} 64. Rg5 (64. Rg4 $1 $18) 64... Rc2 $2 (64... Rc1 $16 {might work better.} 65. Rg4 Rc4 66. Rxc4 Bxc4) 65. g4 Rf2 66. Rf5+ Kg6 67. Kg3 Rf1 $2 (67... Ra2 68. f4 Rg2+ 69. Kh3 Bf3 70. Rg5+ Kf6) 68. Be5 Rg1+ 69. Kf2 Rc1 70. Rf6+ Kh7 71. Bd4 Rd1 72. Ke3 Re1+ 73. Kf4 Rf1 74. Kg3 Rd1 75. Be5 Rg1+ 76. Kf2 Rc1 77. Rh6+ Kg8 78. g5 Rc2+ (78... Rxc5 {was worth a try.} 79. g6 Kf8 80. g7+ Ke8 81. Rh8+ Ke7) 79. Kg3 Re2 80. f4 Rg2+ 81. Kh3 Kf7 $2 (81... Be4 {was necessary.} 82. Rd6 Kf7 83. Rd7+ Kg8) 82. Rf6+ Kg8 83. g6 Be4 84. f5 {Strongly threatening Rd6.} Rg5 85. Kh4 Rxf5 {[#]} 86. Re6 $1 Rf1 $2 (86... Bd5 87. Re8+ Rf8) 87. Re8+ Rf8 88. Re7 Rf1 89. g7 {Threatening mate with Re8+.} Rh1+ 90. Kg3 {White threatens Re8+ and mate.} Bh7 91. Re8+ Kf7 92. Rf8+ Ke6 93. Bd4 Kd5 94. Bf2 Rh5 95. g8=Q+ Bxg8 96. Rxg8 {KRB-KR} Kc4 97. Rg4+ Kb5 98. Re4 Rf5 99. Rf4 Re5 100. Kf3 Re8 101. Be3 Rh8 102. Ke2 Rh3 103. Kd3 Rg3 104. Rf7 Ka6 105. Rc7 Rg6 106. Kc4 Re6 107. Bd4 Rh6 108. Rd7 Rh4 109. Rd8 Kb7 110. Rh8 Rg4 111. Rh7+ Ka6 112. Rg7 Rh4 113. Rc7 Rh6 114. Be5 (114. Kd3 $142 Rg6 115. Be5 Kb5 116. Bd6 Re6 117. Rb7+ Ka6 118. Rb6+ Ka5 119. Rxc6) 114... Rh4+ 115. Bd4 Rh6 116. Kd3 Re6 117. Be3 Rg6 $1 118. Bf4 {White mates.} Kb5 119. Bd6 Rg8 120. Rb7+ Ka5 121. Rb6 Rh8 122. Rxc6 Rh3+ 123. Ke4 Rh4+ 124. Kd5 Rh1 125. Be5 Rh5 126. Rc8 Ka6 127. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Rh7 128. Ra8+ Kb6 129. Rb8+ Ka6 130. c7 Rd7+ 131. Kc6 {[%cal Rb8a8]} Ka7 132. Kxd7 {Precision: White = 66%, Black = 48%.} (132. c8=N+ $142 Ka6 133. Ra8+ Ra7 134. Rxa7#) 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Antal, Gergely"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2540"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,61,6,0,0,0,-2,38,36,31,31,38,41,37,41,36,31,31,31,53,44,44,19,66,71,70,62,65,23,25,20,20,2,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c4 dxc4 14. Bxc4 Qxd1 15. Rfxd1 g5 16. Bg3 Ne4 17. a3 Bf8 18. Rac1 Nxg3 19. hxg3 Rb8 20. b4 Bf5 21. Bd3 Bxd3 22. Rxd3 {½-½ (36) Artemiev,V (2691)-Carlsen,M (2837) Riadh 2017}) 10... c6 11. Qf3 Re8 12. Bf4 Qe7 13. a3 Bd6 {[#] LiveBook: 4 Games} 14. b4 $146 ({Predecessor:} 14. Ne2 c5 15. b3 Be6 16. Bxd6 Qxd6 17. Rad1 Qe7 {1-0 (58) Bacrot,E (2696)-Fressinet,L (2668) Balagna 2017}) 14... a5 15. b5 Bxf4 16. Qxf4 cxb5 17. Nxb5 {[#] Threatens to win with Nc7.} Qe5 18. Qxe5 Rxe5 19. Rab1 Re7 20. Nd4 Rc7 21. Rb6 Kf8 22. Rfb1 Bd7 23. Rb8+ Rc8 24. Rxa8 Rxa8 25. Rb7 Be8 26. Bb5 (26. f3 {feels hotter.} Nd7 27. Rb5 Nf6 28. Rc5 g6 29. Bb5) 26... a4 27. Bxe8 Nxe8 {The position is equal.} 28. Nb5 Rc8 29. c3 Rc6 30. f3 Nd6 31. Nxd6 {Precision: White = 69%, Black = 82%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Malakhatko, Vadim"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2536"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,50,13,5,16,24,14,3,10,0,29,0,0,-17,-18,-27,-28,-28,-22,-33,-14,-28,-22,-12,-12,-12,0,-21,-12,-22,-12,-12,0,-6,0,0,0]} 1. c4 e5 2. e3 Nf6 3. Nc3 Bb4 4. Nge2 O-O 5. a3 Bxc3 6. Nxc3 d5 {A22: English Opening: 1...e5 2 Nc3 Nf6} 7. cxd5 Nxd5 8. Qc2 (8. Qb3 Nxc3 9. bxc3 c5 10. Be2 Nc6 11. c4 b6 12. Bf3 Bb7 13. Qc3 Re8 14. Bd5 {½-½ (80) Laznicka,V (2647)-Kryvoruchko,Y (2689) Riadh 2017}) 8... Be6 9. Be2 {LiveBook: 3 Games} Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 10. O-O c5 11. b3 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Nxd5 Bxd5 12. d3 Qb6 13. e4 Bb3 14. Qc3 {1-0 (71) Strohhaeker,R (2427)-Zueger,B (2399) Germany 2015}) 11... Nxc3 12. Qxc3 f6 13. Bb2 Nb6 14. Rfd1 Rc8 15. Rab1 Nd5 16. Qc2 Qd7 17. Ba1 Rfd8 18. Rbc1 Bg4 19. Bxg4 {The position is equal.} Qxg4 20. h3 Qd7 21. Qe4 b5 22. Bc3 Rc6 23. d3 Qe6 24. Be1 f5 25. Qf3 Rdc8 {Precision: White = 61%, Black = 34%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Lampert, Jonas"]
[Black "Gokerkan, Cem Kaan"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2532"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,36,36,36,45,45,31,43,28,49,26,54,54,62,42,50,56,46,9,27,9,27,-8,0,0,45,45,29,-16,-20,-23,0,17,11,17,13,22,5,10,25,20,79,81,90,81,81,81,81,90,88,-26,242,245,668,59,72,-329,29989,29990,29990,29991]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. d5 e6 8. Nf3 {LiveBook: 40 Games. E73: King's Indian: Averbakh Variation without 6...c5} Re8 (8... exd5 9. cxd5 Bg4 10. Nd2 Bxe2 11. Qxe2 Re8 12. f3 Nbd7 13. a4 Qb6 14. Nc4 Qa6 15. Nb5 Ne5 16. Nbxd6 Nxc4 17. Nxc4 Nxd5 18. exd5 {½-½ (61) Buhmann,R (2584)-Fedorov,A (2573) Katowice 2017}) 9. Nd2 Na6 10. O-O {White is slightly better.} Nc7 11. a4 b6 12. Re1 exd5 13. cxd5 Rb8 $146 ({Predecessor:} 13... Ba6 14. Bg5 Qd7 15. Bxa6 Nxa6 {1-0 (34) Danner,G (2312)-Prato,S (2071) Graz 2017}) 14. Bf4 a6 15. Bf3 b5 $1 16. axb5 axb5 17. Rc1 Bb7 18. b4 c4 19. Nf1 Ra8 20. Qd2 Ra3 21. e5 dxe5 22. Bxe5 {[#]} Rxe5 $1 {[%mdl 512]} 23. Rxe5 {Hoping for d6.} Ng4 24. Ree1 Ne5 25. Rxe5 Bxe5 26. d6 $1 {[%cal Rd6c7]} Rxc3 27. Rxc3 Nd5 (27... Bc8 $11 {remains equal.}) 28. Rc1 $1 $16 Qxd6 29. Rd1 {[%cal Rf3d5]} c3 30. Qa2 $36 {[%mdl 2048] White is really pushing.} Nxb4 31. Qb3 Bd4 {[#] Threatens to win with ...Bxf3.} 32. Bxb7 (32. Qxc3 $1 $16 {[%mdl 512]} Bxc3 33. Rxd6 Bxf3 34. gxf3) 32... Qf4 $2 {[%mdl 8192]} (32... c2 $11 {and Black stays safe.} 33. Rc1 Bxf2+ 34. Kh1 Bc5) 33. Ne3 $18 Bxe3 $2 (33... c2) 34. fxe3 $2 (34. Rd8+ $18 Kg7 35. Qxc3+ (35. fxe3 Qxe3+ 36. Kf1 Qf4+ 37. Bf3 c2 $16) 35... Kh6 36. fxe3) 34... Qxe3+ $14 {[#]} 35. Kh1 $2 {[%mdl 8192]} (35. Kf1 $1 $16 Qf4+ 36. Bf3) 35... c2 $4 {[%mdl 8192]} (35... Nd3 $19 36. g3 Qe2) 36. Rd8+ (36. Qxe3 $2 {perishes.} cxd1=Q+ 37. Qg1 Qd2 $19) 36... Kg7 37. Qxe3 {Precision: White = 42%, Black = 46%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Schneider, Ilja"]
[Black "Wenninger, Philipp"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2513"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,11,14,12,11,11,11,9,4,17,18,18,37,15,19,28,28,24,20,23,16,27,21,25,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 h6 5. Bh4 Bf5 (5... Qb6 6. Nc3 e5 7. Nf3 Nc6 8. e3 exd4 9. Nxd4 Qxb2 10. Nxd5 Bb4+ 11. Nxb4 Qc3+ {0-1 (20) Mamedyarov,S (2809)-Andreikin,D (2712) Moscow 2018}) 6. Nc3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Nc6 7. e3 Qd7 $146 ({Predecessor:} 7... Qb6 8. Bb5 e6 9. Nge2 Nge7 10. O-O g5 11. Bg3 Bg7 {0-1 (52) Dale,A (2390)-Zelesco,K (2361) Melbourne 2017}) 8. Nf3 e6 9. Bb5 {White wants to play Ne5.} f6 10. Bg3 Bd6 11. Bxd6 Qxd6 12. Nh4 Bh7 13. Qh5+ Kf8 14. Ng6+ Bxg6 $1 15. Qxg6 f5 16. Rc1 Rc8 17. Qg3 (17. O-O {feels hotter.} Nge7 18. Qh5 a6 19. Bxc6 g6 20. Qe2) 17... Qxg3 {The position is equal.} 18. hxg3 Nf6 19. Ke2 Ke7 20. Na4 Nd7 (20... Na5 {is interesting.} 21. f3 Nc4 22. Bxc4 dxc4 23. b3 cxb3 24. axb3 Rhd8) 21. Bxc6 (21. Nc5 {looks sharper.} Nxc5 22. Rxc5 Kd6 23. Rhc1 Ne7 24. Kd2) 21... Rxc6 22. Rxc6 bxc6 $11 {[%mdl 4096] Endgame KRN-KRN} 23. Rc1 Kd6 24. b3 Rc8 25. Kd3 e5 26. Nc5 e4+ 27. Ke2 Rb8 28. Na4 Nb6 {[#] Threatens to win with ...Nxa4.} 29. Nc5 Nd7 30. Na4 Nb6 {And now ...Nxa4 would win.} 31. Nc5 {Precision: White = 76%, Black = 92%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Valsecchi, Alessio"]
[Black "Chernov, Vadim"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2510"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,46,40,16,38,42,47,50,56,43,45,42,65,12,52,43,72,62,62,79,71,77,122,114,145,147,143,137,133,118,164,155,165,77,189,194,267,267,266,270,262,260,290,282]} 1. d4 Nf6 2. Nc3 d6 3. e4 e5 4. Nf3 exd4 5. Nxd4 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence} Re8 8. O-O Bg4 (8... Bf8 9. h3 Nbd7 10. Re1 c5 11. Nf5 Ne5 12. Bg5 h6 13. Bxf6 Qxf6 14. Nd5 Qd8 {½-½ (32) Oparin,G (2602)-Mamedyarov,S (2799) Moscow 2017}) 9. f3 Bd7 {LiveBook: 5 Games} 10. b3 Nc6 11. Nde2 Bf8 $146 ({Predecessor:} 11... Qc8 12. Nf4 Bf8 13. Bb2 Ne5 14. Qd2 Ng6 {0-1 (34) Plachetka,J-Espig,L Dresden 1969}) 12. Bb2 g6 13. Qd2 Bg7 14. Rad1 a5 15. h3 (15. a4 $14) 15... Nb4 (15... a4 $5) 16. g4 h5 {[%cal Rh5g4]} 17. g5 Nh7 18. a3 Nxg5 19. axb4 axb4 20. Na4 $1 Nxh3+ 21. Bxh3 Bxh3 22. Bxg7 Kxg7 23. Rf2 Bd7 24. Qxb4 Qg5+ 25. Kh1 (25. Kf1 $18 {and White stays clearly on top.}) 25... b5 (25... Qh4+ $16 26. Kg1 (26. Rh2 Qf6 $14) 26... Qg5+ 27. Kf1 b5) 26. Qd4+ $18 Kg8 (26... Qe5 $142) 27. Nac3 {And now Nd5 would win.White has a decisive advantage.} Bc6 28. Rg1 Qe5 29. Rfg2 Kg7 30. Rg5 {Precision: White = 82%, Black = 16%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Ider, Borya"]
[Black "Wang, Hao"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2505"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,116,-29,-27,-12,-37,-35,-48,-37,-31,-27,-58,-31,-41,-33,-42,-35,-33,-23,-29,-23,-18,-16,-18,-6,-27,-28,-31,0,-21,-22,-38,-39,-39,-36,-43,-34,-52,-52,-89,-77,-100,-65,-79,-64,-93,-59,-59,-59,-65,-59,-59,-59,-59,0,-53,-54,-54,-54,-90,-59,-69,-63,-76,-6,-6,-9,-8,0,0,0,0,0,-9,0,0,0,-7,-7,0,0,0,0,0,0,0,0,0,0,-105,-105,-248,-252,-301,-301,-355,-353,-450,-443,-472,-458,-1022,-1021]} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 O-O 6. Be2 b6 7. O-O Bb7 8. c4 Ne4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (8... Nbd7 9. Bh2 e6 10. Nfd2 Re8 11. Nc3 e5 12. Bf3 Qc8 13. Rc1 Bh6 14. Rc2 a5 15. Nb5 Bf8 16. b3 {0-1 (51) Caruana,F (2804)-Vachier Lagrave,M (2789) Paris 2016}) 9. Nbd2 {LiveBook: 5 Games} Nxd2 10. Nxd2 $146 ({Find the theoretical novelty and annotate with similar games:} 10. Qxd2 Nd7 11. Rfd1 {½-½ (11) Hertneck,G (2555)-Mohr,S (2465) Bad Lauterberg 1991}) 10... e5 {Black is slightly better.} 11. dxe5 dxe5 12. Bg3 Qe7 13. Qc2 Nd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 14. Bf3 Bxf3 15. Nxf3 e4 16. Nd4 Nc5 17. Nb5 Be5 18. Bxe5 Qxe5 19. Qc3 Qe7 20. Rad1 Nd3 21. Nd4 Qg5 22. b4 a5 23. b5 Rad8 24. Nc6 Rd7 25. Nd4 Rfd8 {Hoping for ...Rxd4!} 26. Rxd3 exd3 27. Rd1 Qe5 28. Rxd3 Rd6 29. Rd2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 30. Qc2 h4 31. Rd1 Kg7 32. Rc1 R8d7 33. Qc3 Qf6 34. Qc2 Qe5 35. Qc3 $1 Re7 36. Qc2 Qc5 37. Nf3 Red7 38. Nd4 Kg8 39. Qe4 Qa3 (39... Rxd4 $17 40. exd4 Rxd4) 40. Rc2 $11 Qb4 41. Kh2 Qb1 42. Qe8+ Kh7 43. Qe4 Kg7 {Threatens to win with ...Rf6.} 44. Qe5+ Rf6 {...Rxd4! is the strong threat.} 45. Rd2 {White wants to mate with Ne6+!} Rdd6 46. c5 $132 {[%mdl 2048] White puts up resistance} bxc5 47. Qxc5 Qe1 48. Qc2 {[#]} a4 $1 {[%mdl 512]} 49. a3 (49. Qxa4 Qxd2) 49... Rd5 50. Re2 Qf1 51. f3 Rd7 52. Qb2 (52. Rd2 $1 $11 Qe1 53. Nf5+ $1 {[%mdl 512]} Rxf5 54. Qb2+ Kh7 55. Rxd7) 52... Kg8 $17 53. Qc2 {[#]} (53. f4 $17 {might work better.}) 53... Re6 $1 $19 {[%mdl 512] aiming for ...Rxd4!} 54. Rf2 (54. Nxe6 Rd1) 54... Qa1 55. Re2 Ree7 56. Qd3 Qc1 {Black is clearly winning.} 57. Rd2 Re8 ({Not} 57... Qe1 58. Re2 $19) 58. f4 (58. Re2 $142 Qf1 59. b6) 58... Qe1 {Precision: White = 38%, Black = 61%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Riff, Jean-Noel"]
[Black "Farago, Ivan"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2503"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,29,20,56,-30,35,-19,-6,-19,-28,-57,-51,-54,-57,-57,-49,-66]} 1. e4 e6 2. d4 d5 3. Nd2 h6 (3... c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. O-O Nc6 8. Nb3 a6 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bd3 Nf6 12. Re1 Bd6 13. h3 O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 {C03: French Tarrasch: Unusual Black 3rd moves} c5 7. c3 Nc6 8. O-O g5 {LiveBook: 55 Games} 9. Qe2 (9. b3 $14) 9... Bg7 $146 (9... cxd4 $11 10. cxd4 g4) ({Predecessor:} 9... Qb6 10. dxc5 Nxc5 11. Bc2 {½-½ (45) Yip,C (2164)-Abrahamyan,T (2342) Saint Louis 2016}) 10. dxc5 ({Better is} 10. Qe3 $14) 10... Nxc5 11. Bb5 O-O 12. h3 Nd7 {[%cal Rd7e5] Black is slightly better.} 13. Bxc6 bxc6 14. Re1 a5 15. Nf1 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Noe, Christopher"]
[Black "Kasimdzhanov, Rustam"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2494"]
[BlackElo "2676"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,28,37,27,16,18,22,57,30,67,49,63,19,29,34,29,27,31,23,34,34,35,40,50,53,70,78,78,64,147,43,32,37,38,0,24,9,77,18,60,31,31,20,57,16,83,79,138,139,130,133,122,111,177,175,170,180,176,159,1437,845]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 b6 8. b3 Bb7 9. Bb2 Nbd7 10. e3 Qe7 11. Be2 c5 12. O-O Rac8 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} 13. Rac1 $146 ({Predecessor:} 13. Rad1 d5 14. dxc5 Nxc5 15. Qe5 Rfd8 16. Nd4 Qf8 17. f3 dxc4 18. Bxc4 Bd5 19. Bxd5 {½-½ (19) Timman,J (2620)-Karpov,A (2760) NED/INA 1993}) 13... Rfd8 14. Rfd1 Nf8 {The position is equal.} 15. dxc5 bxc5 16. Nd2 e5 17. Bf3 Ng6 18. Bxb7 Qxb7 19. Qc2 h6 20. Bc3 Re8 21. Nf1 Re6 22. Ng3 Nh4 {[%csl Gh4][%cal Rb7g2]} 23. f3 Ne8 24. f4 exf4 25. exf4 Rc7 (25... g6 $1 $14) 26. Re1 (26. f5 $1 $16 {[%cal Rf5e6]} Re3 27. Qf2) 26... Rxe1+ $14 27. Rxe1 {[%cal Re1e8]} Re7 28. Rc1 Ng6 29. Rf1 Nf8 (29... d5 $11) 30. f5 (30. Nf5 $16 Re6 31. Rf3) 30... f6 31. Nh5 {[%cal Bg3h5,Bh5f4,Bf4e6][%mdl 32]} d5 32. cxd5 Qxd5 33. Nf4 (33. Rd1 $5 {[%cal Rd1d5]} Qc6 34. Nf4 $16) 33... Qc6 (33... Qe4 $11 {keeps the balance.} 34. Qxe4 Rxe4) 34. Bd4 $16 {[%cal Bc3d4,Bd4f2,Bf2g3,Bg3e5][%mdl 32]} Rc7 (34... c4 $142) 35. Rc1 Qd6 36. Qc4+ Kh7 37. Bf2 Nd7 {[#]} (37... Qd2 $16 {is a better defense.}) 38. Ne6 $1 $36 {[%cal Re6c7][%mdl 2048] Black is under strong pressure.} Rc8 {[#]} 39. Bg3 $1 {[%cal Rg3d6]} Ne5 40. Bxe5 $1 Qxe5 $2 (40... fxe5 $16 41. Re1 Nc7) 41. Nf8+ {Precision: White = 63%, Black = 29%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Poetsch, Hagen"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2484"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,46,17,16,13,0,0,3,3,2,21,3,15,7,7,9,10,0,12,0,13,0,0,0,0,0,10,0,10,4,11]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 {B11: Caro-Kann: Two Knights Variation} e6 7. Nfg1 (7. g3 c5 8. Bg2 Bd7 9. O-O Bb5 10. Re1 Nc6 11. c3 Rc8 12. Be3 Bc4 13. Qc2 {½-½ (48) Naiditsch,A (2702)-Bartel,M (2613) Germany 2017}) 7... f6 8. f3 Ng5 9. exf6 gxf6 10. f4 {LiveBook: 62 Games. The position is equal.} Nf7 11. Nf3 e5 12. fxe5 fxe5 13. Ng3 {[%cal Be2g3,Bg3f5,Bf5d4][%mdl 32]} Bg4 $146 14. Be2 Bxf3 $1 15. Bxf3 {[#] Strongly threatening Bh5.} Qxd4 16. Qxd4 exd4 17. Nf5 Bb4+ 18. Bd2 Na6 19. O-O-O Bxd2+ 20. Rxd2 O-O 21. Re1 Ng5 22. Nxd4 Nxf3 23. Nxf3 Nc5 {Precision: White = 36%, Black = 47%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Kuipers, Stefan"]
[Black "Brink, Barry"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2476"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,53,5,14,0,75,66,68,70,72,73,72,67,117,123,135,134,183,187,172,185,165,185,252,249,261,213,411,309,795,734,670,306,1060,744,1531,1490]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (6. Be3 a6 7. Qd2 Nf6 8. f4 Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 13. exd5 exd5 14. Nb3 Nc4 15. Bd4 Ne4 {1-0 (57) Carlsen,M (2834)-Matlakov,M (2718) Wijk aan Zee 2018}) 6... Nf6 7. Ndb5 Qb8 8. Qg3 d6 9. Be3 a6 10. Nd4 Bd7 {LiveBook: 12 Games} 11. O-O-O Nxd4 $146 (11... b5 $11 {keeps the balance.}) ({Find the theoretical novelty and annotate with similar games:} 11... b5 12. f3 Ne5 13. Kb1 Nh5 {½-½ (43) Bruzon Batista,L (2653)-Ghaem Maghami,E (2556) Bandar e Anzali 2017}) 12. Bxd4 $16 Bc6 13. Bd3 b5 14. Bxf6 gxf6 15. Rhe1 Bh6+ 16. Kb1 Kf8 17. f4 b4 18. Ne2 Qb6 19. Qh4 Bg7 20. f5 {Strongly threatening fxe6.} Qc5 (20... e5 {might work better.} 21. Ng3 h5 22. Nxh5 Qc5) 21. Nf4 $18 Bd7 22. fxe6 fxe6 $2 (22... Bxe6 {is a better defense.} 23. Qg3 Qe5) 23. e5 f5 $2 (23... dxe5 24. Be4 (24. Bxh7 exf4 25. Rxd7 Rc8 $14) 24... Re8 25. Rxd7 exf4) 24. exd6 Re8 25. Nh5 (25. Bxa6 $142 Rg8 {[#]} 26. Nd5 $1 {[%mdl 512]}) 25... Qxd6 $2 (25... Qd4 26. Qxd4 Bxd4 27. Bxa6 e5) 26. Nxg7 {[#] Intending Qf6+ and mate.} Kxg7 27. Qg5+ {Precision: White = 65%, Black = 20%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Nasuta, Grzegorz"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2465"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,84,73,59,63,50,69,62,62,64,66,71,95,89,88,100,91,101,98,89,86,66,71,76,120,105,122,122,142,91,102,89,155,145,154,146,123,135,133,139,157,157,157,125,119,111,110,103,127,29,47,0,0,0,0,0,0,0,-8,-14,-8,-10,-10]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. Be3 {B03: Alekhine's Defence: Four Pawns Attack} (9. f3 Bh4+ 10. g3 Bxf3 11. O-O Bxe2 12. Qxe2+ Be7 13. Qe4 Qd7 14. Nd5 Nxd5 15. cxd5 Nb4 16. Bb1 Qb5 17. Bg5 {1-0 (31) Volokitin,A (2649)-Bortnyk,O (2581) Doha 2016}) 9... Bh5 10. b3 Bf6 11. Qd2 O-O 12. O-O Bg6 13. Bxg6 {LiveBook: 3 Games} hxg6 14. a4 $146 ({Find the theoretical novelty and annotate with similar games:} 14. d5 Ne7 15. Nd4 Nf5 16. Nxf5 gxf5 17. Bd4 {½-½ (35) Ochsner,B (2455)-Yankelevich,L (2435) Boeblingen 2017}) 14... a5 15. d5 Nb4 16. Bxb6 cxb6 17. Rae1 Re8 18. Nb5 Na6 19. Ng3 Rxe1 20. Rxe1 Nc5 21. Qe3 Bg5 22. f4 Bh4 23. Re2 f5 24. Nf1 Bf6 25. Nd2 g5 26. Nf3 (26. h3 $142) 26... gxf4 $16 27. Qxf4 Nxb3 (27... Qd7 $142) 28. Qxf5 ({Don't do} 28. Nxd6 $6 Qc7 $11) 28... Nc5 29. g4 $1 {[%cal Bg2g4,Bg4g5][%mdl 32]} Qc8 {[#]} 30. Qxc8+ $1 ({Resist} 30. Nxd6 $6 Qxf5 31. Nxf5 Nxa4 $14) 30... Rxc8 {[#]} 31. g5 $1 {[%cal Rg5f6]} Be5 32. Nxe5 dxe5 33. Rxe5 {[%mdl 4096] Endgame KRN-KRN} Kh7 34. Re7 Kg6 35. Nd6 Rb8 36. h4 (36. Rc7 $16) 36... Rh8 $11 37. Nxb7 (37. Re6+ $14 Kh5 38. Re7) 37... Rxh4 {The position is equal.} 38. Nd6 Nxa4 39. Ne8 Kxg5 40. Rxg7+ Kf5 41. Rc7 Nc5 {With the idea ...Ke5.} 42. Nd6+ Ke5 {Precision: White = 74%, Black = 75%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Hirneise, Tobias"]
[Black "Savina, Anastasia"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2463"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,27,46,38,35,41,34,27,37,32,34,36,45,35,69,76,81,97,95,106,91,101,72,89,88,89,161,154,156,158,158,151,155,169,169,164,144,140,140,151,151,155,161,163,190,167,228,168,410,210,291,292,292,292,285,277,277,278,281,279,251,162,152,135,145,147,170,166,244,229,258,255,292,292,292,102,285,285,256,183,182,180,162,0,113,68,68,0]} 1. d4 Nf6 2. c4 g6 3. g3 c5 4. dxc5 (4. d5 Bg7 5. Nc3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Re1 Ne4 11. Nxe4 Rxe4 12. Qc2 Re8 13. e4 Bg4 14. Nd2 Na6 15. a3 b5 16. Rb1 c4 17. b4 cxb3 18. Nxb3 {1-0 (41) Grischuk,A (2767)-Svidler,P (2760) Moscow 2018}) 4... Qa5+ 5. Nc3 Qxc5 6. e4 $146 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} ({Predecessor:} 6. Bg2 Bg7 7. Qa4 O-O 8. Be3 Qc7 9. Nf3 d6 10. Rc1 Bd7 11. Qa3 a5 {0-1 (47) Andeer,S (2476)-Ivanov,B (2401) ICCF email 2014}) 6... d6 7. Be3 Qa5 8. Qd2 Nc6 9. h3 Bg7 10. Rc1 O-O 11. Bg2 Nd7 12. Nge2 Nde5 13. b3 Nb4 14. O-O Bxh3 15. Nd5 $1 Bxg2 16. Nxe7+ Kh8 17. Kxg2 Qxa2 (17... Qc7 $16 {was necessary.}) 18. Rh1 $18 Qxd2 ({Don't blunder} 18... Qxb3 $2 19. Rxh7+ $1 {[%mdl 512]} (19. Rb1 Qd3 $17) 19... Kxh7 20. Rh1+ Bh6 21. Rxh6+ Kg7 22. Qxd6 $18) 19. Bxd2 {White threatens Rxh7+! and mate.} Rfe8 {[#]} 20. Rxh7+ $3 {[%mdl 512]} Kxh7 21. Rh1+ Bh6 22. Bxh6 {[%cal Rh6f8]} Rxe7 23. Bf8+ Kg8 24. Bxe7 {White wants to mate with Bf6.} Kg7 25. Bxd6 Nec6 26. Nf4 a5 27. Nd5 Re8 (27... g5 {was worth a try.} 28. Ne3 a4 29. bxa4 Rxa4) 28. f3 Re6 $2 (28... g5 29. Nxb4 axb4) 29. Bf4 (29. Nc7 $142) 29... f5 30. Bd2 fxe4 31. Bc3+ Kf7 32. Rh7+ Kg8 33. Rh8+ Kf7 34. fxe4 $1 Rxe4 35. Bxb4 axb4 {[%mdl 4096] Endgame [#] KRN-KRN} 36. Rh7+ $1 Ke6 37. Rxb7 {Black must now prevent Rb6.} Re2+ 38. Kh3 {And now Nf4+ would win.} Rb2 (38... Kf5 $142 39. Nxb4 Ne5) 39. Nxb4 Ne5 40. Rb6+ Kf5 41. Nd5 g5 {( -> ...g4+)} 42. Ne7+ Ke4 {[#]} 43. Re6 $1 Kd4 44. Nf5+ Ke4 45. Nd6+ Kd4 46. Nf5+ Ke4 47. Ne3 {Strongly threatening Ng4.} Kd4 $1 48. Nf5+ {Precision: White = 78%, Black = 53%.} ({White should play} 48. b4 $14) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Firat, Burak"]
[Black "Moussard, Jules"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2446"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,97,7,10,0,0,5,12,18,22,24,24,23,47,41,52,42,50,39,55,58,55,53,55,34,61,27,60,75,68,32,41,23,97,105,104,99,260,150,171,124,85,0,0,0,52,0,5,31,18,0,0,-10,91,0,0,0,0,0,243,16,252,214,374,364,541,546,541,542,519,506,542,592,586,585,549,557,534,495,1812,1627,1076,925]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 (7... O-O 8. h3 h6 9. Re1 Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Ng3 Rd8 16. exd5 Qxd5 {½-½ (63) Carlsen,M (2834)-Kramnik,V (2787) Wijk aan Zee 2018}) 8. Na3 O-O 9. Nc2 Ne7 {LiveBook: 10 Games} 10. Bg5 Ng6 11. Nh4 Nxh4 $146 ({Predecessor:} 11... Nf4 12. d4 Be6 13. dxe5 dxe5 14. Bxe6 fxe6 15. Bxf4 exf4 {0-1 (49) Bologan,V (2640)-Fedoseev,V (2665) Sochi 2016}) 12. Bxh4 h6 13. Kh1 g5 14. Bg3 Bg4 15. f3 Bh5 16. Ba2 Bg6 17. d4 exd4 18. cxd4 d5 19. e5 Nh5 20. Ne3 c6 21. Bb1 f5 22. Be1 Qe8 23. b4 Ng7 24. Bc3 h5 (24... Bb6 $11) 25. f4 $16 Qe7 26. g3 h4 $2 (26... Ne6 $16 {was necessary.}) 27. Ra2 (27. g4 $1 $18) 27... hxg3 {White should prevent ...gxf4.} 28. hxg3 gxf4 29. gxf4 {Hoping for Rh2.} Kf7 $1 {And now ...Rh8+ would win.} 30. Rh2 Rh8 {Threatens to win with ...Rxh2+.} 31. Qe2 (31. Rff2 $1 $14) 31... Rh5 32. Rxh5 Bxh5 33. Qh2 Rh8 {...Bf3+! is the strong threat.} 34. Kg1 Qe6 (34... Qf8 $11 {keeps the balance.}) 35. Kf2 (35. Qh3 $1 $16) 35... a5 $1 $11 36. Rg1 $36 {[%mdl 2048] White fights for an advantage.} axb4 37. Bb2 c5 $2 {[#]} (37... Kf8 $11) 38. Qg3 $2 ({Only move:} 38. Qg2 $1 $18 {[%cal Rg2g7]} Bg4 39. Nxg4 fxg4 40. f5 Nxf5 41. Qxg4 Rh2+ 42. Ke1) 38... Bg6 $2 {[#]} (38... Qh6 $1 $11) 39. Nxd5 $1 $18 {[%mdl 512]} cxd4 $2 (39... Nh5 40. Qg2 cxd4) (39... Qxd5 40. Qxg6+) 40. Bd3 Ne8 {[#]} (40... Rh6 {was worth a try.}) 41. Nf6 $1 {[%mdl 512] White is clearly winning.} Rh6 (41... Nxf6 42. Qxg6+) 42. Qg5 Nxf6 43. Qxh6 Ng4+ 44. Rxg4 $1 fxg4 {[#]} 45. f5 $1 {[%cal Rf5e6][%mdl 512]} Bxf5 46. Qf4 $1 {[%csl LRd4,LRf5]} g3+ 47. Kf1 Bb8 (47... g2+ $142 48. Kg1 (48. Kxg2 Qg6+ 49. Kf2 Ke6 $11) 48... Kg6) 48. Bxd4 g2+ 49. Kg1 {Precision: White = 55%, Black = 43%.} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Zatonskih, Anna"]
[Black "Hess, Max"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2446"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,29,5,0]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6 11. Be3 Rb8 12. b3 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} Ne5 13. f4 Ned7 14. Bf2 c5 15. Nc2 {[#] LiveBook: 3 Games} {Predecessor:} b5 $146 16. Qxd6 b4 17. Na4 Nxe4 18. Bxe4 Bxa1 19. Rxa1 Rxe4 20. Nxc5 {0-1 (27) Howell,D (2702)-McShane,L (2644) Llandudno 2017} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Martin, Julian"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2412"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,76,15,7,-14,-7,-35,-20,-69,-69,-71,-69,-63,-64,-59,-64,-117,-120,-126,-78,-75,-84,-76,-47,-151,-170,-177,-178,-202,-167,-247,-210,-432,-389,-399,-403,-593,-653,-619,-603,-564,-766,-771,-744,-760,-750,-746,-739,-700,-707,-626,-597,-1118,-1023,-1574,-1454,-1657,-1653,-29987,-5510,-5510,-5347,-1963,-1822]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. Be3 h5 9. Be2 Nbd7 10. O-O Rc8 11. Qd2 b5 12. Rfd1 Nb6 13. Bxb6 Qxb6 14. a4 b4 15. Nd5 Nxd5 16. exd5 {0-1 (43) Anand,V (2783)-Kovalyov,A (2641) Tbilisi 2017}) 8. g4 h6 {LiveBook: 8 Games} 9. Bg2 Nbd7 {The position is equal.} 10. a4 $146 ({Predecessor:} 10. Be3 Qc7 11. Qe2 b5 12. O-O-O Bb7 13. f4 b4 14. Nd5 Nxd5 15. exd5 {1-0 (38) Enevoldsen,J-Fedder,S Esbjerg 1972}) 10... Nf8 11. Nd5 Nxd5 12. exd5 Ng6 13. Be4 O-O 14. Bxg6 fxg6 15. Be3 ({Better is} 15. Qd3 $15) 15... Bg5 $17 16. Qd3 Bd7 17. Nd2 Bxe3 18. Qxe3 Qa5 {Threatens to win with ...Rac8.} 19. Qd3 (19. c4 $1 $15) 19... Rf4 (19... Bxa4 20. b3 $16) 20. c3 Raf8 ({Don't take} 20... Bxa4 21. O-O $17) ({Don't play} 20... Rxa4 21. Rxa4 Qxa4 22. O-O $15) 21. f3 b5 $1 ({Much less strong is} 21... Rxa4 22. Rxa4 Bxa4 23. b3 $17) 22. b4 {[#]} (22. O-O {might work better.} bxa4 23. Rf2) 22... Qd8 $1 $19 23. a5 $2 (23. Qe2 {was necessary.}) 23... Qh4+ 24. Kd1 Qg3 {[%cal Rf4f3] aiming for ...Rxf3.} 25. Kc2 {[#]} (25. Rf1 $142 e4 26. Nxe4 Qxh3 27. Nd2 Bxg4 28. Kc1) 25... Rxf3 $1 26. Nxf3 Rxf3 27. Qd1 Rxc3+ 28. Kb2 Rd3 29. Qc2 Qe3 30. Rad1 Qd4+ $1 31. Ka2 Qxd5+ 32. Kb1 Rb3+ 33. Kc1 Qf3 34. Rhf1 Qxh3 35. Rh1 Qg3 36. Qxg6 Qc3+ (36... Qe3+ $142 37. Rd2 Rc3+ 38. Qc2 Rxc2+ 39. Kxc2 Qe4+ 40. Rd3 Qxh1 41. Kb2 Qe4 42. Rc3 Qxb4+ 43. Kc2 Bxg4 44. Rc7 Qxa5 45. Rc6 Bf5+ 46. Kd1 Qa1+ 47. Kd2 Qd4+ 48. Kc1 b4 49. Rc2 Qe3+ 50. Kb2 Qa3+ 51. Kb1 Qa4 52. Kb2 Qxc2+ 53. Ka1 Qb1#) 37. Qc2 Qxb4 38. Rd3 Qf4+ {Precision: White = 31%, Black = 89%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Runic, Zoran"]
[Black "Kollars, Dmitrij"]
[Result "1-0"]
[ECO "C76"]
[WhiteElo "2407"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,110,33,38,12,25,25,22,-5,0,0,0,-24,0,0,7,-41,0,-19,0,0,4,0,22,16,24,22,37,31,47,54,57,29,51,-7,62,14,16,8,40,0,-13,-33,0,0,0,-52,54,37,44,10,19,8,47,33,28,35,40,33,62,56,66,53,171,8,11,0,0,-183,-172,-168,-181,-176,-166,-163,-170,-141,-152,-191,-183,-140,-90,-133,0,0,299,80,106,-268,-260,-246,-236,-206,-8,-8497,-7984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. c3 d6 6. d4 Bd7 7. d5 {C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6} (7. O-O Bg7 8. Be3 Nf6 9. Nbd2 Ng4 10. Bg5 f6 11. Bh4 Qe7 12. b4 h5 13. Bg3 O-O 14. Re1 Nh6 15. Nf1 g5 16. Bb3+ Kh7 17. dxe5 Nxe5 18. Bxe5 fxe5 {½-½ (61) Yu,Y (2751)-Mamedyarov,S (2799) Huaian 2017}) 7... Nce7 8. c4 Bg7 9. Nc3 h6 {LiveBook: 4 Games} 10. Nd2 (10. Bc2 {with more complications.} f5 11. exf5 gxf5 12. Nh4 Nf6 13. O-O) 10... f5 11. Bxd7+ $146 ({Predecessor:} 11. exf5 gxf5 12. Qh5+ Kf8 13. Bb3 Nf6 14. Qe2 b5 {0-1 (33) Venkatesh,M (2426)-Malaniuk,V (2563) La Fere 2009}) 11... Qxd7 12. f3 Nf6 13. Qe2 O-O 14. Nb3 fxe4 15. fxe4 Nh5 16. g3 Qh3 {Strongly threatening ...Nxg3!} (16... b5 $5) 17. Rg1 c6 18. Be3 cxd5 19. cxd5 Rac8 20. O-O-O b5 21. Kb1 Nf6 22. Bd2 Ng4 23. Rg2 Rc7 24. Na5 Nc8 25. Rf1 (25. Rdg1 $14) 25... Bf6 (25... Rxf1+ $11 26. Qxf1 Nb6) 26. a3 Rcf7 27. Nc6 Nb6 28. b3 (28. Bc1 $14) 28... Nd7 $11 29. Ka2 Bd8 30. Rxf7 Kxf7 31. a4 (31. Nxd8+ $11 Rxd8 32. a4) 31... bxa4 (31... Bb6 $1 $15) 32. Nxa4 ({Don't play} 32. bxa4 Bb6 $15) 32... Kg7 33. Bb4 Bc7 {[%cal Bd8c7,Bc7b8,Bb8a7,Ba7c5][%mdl 32] White should prevent ...Qxg2!} 34. Nb2 $36 {[%mdl 2048] White has good play.} Rf6 35. Nc4 Nb6 36. N6a5 Nxc4 37. Nxc4 Bb8 38. Qc2 h5 39. Ka3 Kh6 ({Better is} 39... Kh7 $14) 40. Bd2+ $2 (40. Qc1+ $1 $18 g5 41. Ra2) 40... Kg7 41. Bg5 Rf7 42. Qe2 $2 (42. b4 $11) 42... Ba7 $19 43. Qc2 Bc5+ 44. b4 Bf2 45. Nxd6 Qxg2 46. Nxf7 Qf3+ 47. Ka4 {Hoping for Nd8.} Qxf7 48. h3 Nh6 ({Reject} 48... Bxg3 $6 49. hxg4 Bf4 50. Bxf4 $11) 49. Qc3 Qd7+ ({Black should play} 49... Kh7 $1 $17 {...Bd4 is the strong threat.} 50. Qxe5 Qd7+ 51. Kb3 Nf7) 50. Qc6 $11 Qxc6+ $4 {[%mdl 8192]} (50... Qf7 $11 {and Black has nothing to worry.}) 51. dxc6 $18 Bb6 52. Be3 $2 {[%mdl 8192] [#]} (52. b5 $1 $16 {[%cal Rb5a6]} Nf7 53. Be7 axb5+ 54. Kxb5) 52... Bc7 $1 $19 53. b5 axb5+ 54. Kxb5 {[#]} Nf7 $2 ({Black should try} 54... Ng8 $1 $19 {aiming for ...Nf6.} 55. Bb6 Bxb6 56. Kxb6 Kf6) 55. Bb6 $2 {[%mdl 8192]} (55. Kc4 $11) 55... Nd6+ {[%mdl 32768] Precision: White = 32%, Black = 41%. . Loss on Time!?} 1-0

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Burri, Quentin"]
[Black "Mikhalevski, Victor"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "2405"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,52,13,2,9,0,10,-43,30,-19,-16,-71,-75,-67,-67,-81,-56,-106,-103,-141,-121,-166,-163,-756,-754,-920,-904,-999,-995,-959,-949]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Bg5 Be7 6. Bxe7 Qxe7 7. Bxc6 dxc6 8. Qxd4 Nf6 9. Nc3 Bg4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} 10. Nd2 c5 11. Qe3 O-O-O 12. f3 Be6 13. O-O-O {LiveBook: 6 Games} b6 14. g4 Nd7 {[#]} 15. Rhe1 $146 (15. Qe2 $11 Ne5 16. f4 (16. Qa6+ Kb8 $15) 16... Bxg4 17. Qa6+ Kb8 18. fxe5) ({Predecessor:} 15. h3 Ne5 16. f4 Nc6 17. Nf3 {0-1 (34) Guseinov,G (2645)-Carlsen,M (2832) chess.com INT 2017}) 15... Qh4 (15... Nb8 $15) 16. Rh1 (16. h3 $5) 16... f6 17. Qf4 (17. h3 $11) 17... h5 $17 18. h3 g5 $36 {[%mdl 2048] Black fights for an advantage.} 19. Qe3 Ne5 {[%cal Rh5g4]} 20. Qe2 Qg3 21. Kb1 Kb7 {[%cal Rh5g4]} 22. Qf1 Qf4 23. Qf2 $2 {[#]} (23. Qe1) 23... hxg4 $19 {[%cal Bh5g4,Bg4g3][%mdl 32] Black is clearly winning.} 24. Ne2 Rxd2 25. Nxf4 Rxf2 26. Nxe6 g3 {Precision: White = 16%, Black = 64%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Winterberg, Lukas"]
[Black "Danin, Alexandre"]
[Result "0-1"]
[ECO "D92"]
[WhiteElo "2388"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,67,0,2,0,0,-104,0,0,0,0,0,0,0,0,33,3,4,-104,-109,-155,-155,-155,-151,-145,-144,-143,-152,-139,-147,-245,-241,-280,-280,-275,-269,-294,-276,-908]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bf4 O-O 6. Rc1 dxc4 7. e3 Be6 8. Ng5 Bd5 9. e4 h6 10. exd5 hxg5 11. Bxg5 Nxd5 12. Bxc4 Nb6 13. Bb3 Nc6 14. Ne2 a5 {D92: Grünfeld: 4 Nf3 Bg7 5 Bf4} 15. a4 Nxd4 (15... Rc8 16. O-O Nxd4 17. Nxd4 Qxd4 18. Bxe7 Rfe8 19. Bc5 Qxd1 20. Rfxd1 Bxb2 21. Rc2 Bf6 22. g3 {½-½ (30) Prohaszka,P (2607)-Ragger,M (2688) Austria 2016}) 16. Nxd4 Bxd4 {LiveBook: 3 Games. The position is equal.} 17. h4 Qd6 (17... Bxb2 18. Qc2 $16) 18. Qf3 $146 {[#]} (18. Kf1 $11) ({Find the theoretical novelty and annotate with similar games:} 18. Kf1 Bf6 19. Qc2 Kg7 20. Rd1 Qc6 21. Qxc6 {½-½ (21) Cottegnie,F (2366)-Norchenko,K (2353) ICCF email 2016}) 18... Rad8 (18... Nxa4 $1 $17 {[%mdl 512]} 19. O-O (19. Bxa4 Qb4+) 19... Nxb2) 19. Kf1 Bf6 $1 ({Of course not} 19... Bxb2 $6 20. Rd1 $16) 20. Rh3 c6 21. Bh6 {Threatens to win with h5.} Bg7 22. Bf4 Qd7 23. h5 {hxg6 is the strong threat.} Nd5 $1 $36 {[%mdl 2048] Black is more active.} 24. g4 {[#]} (24. Bd2 $11 {remains equal.}) 24... gxh5 $1 $17 {[%cal Bg6h5,Bh5h4][%mdl 32]} 25. Rg3 h4 26. Rh3 Nxf4 27. Qxf4 Qd2 28. Rc4 Qxf4 29. Rxf4 Rd4 30. Rf5 (30. Rxd4 $17 Bxd4 31. Rxh4) 30... Rxg4 $19 31. Rxa5 Rd8 {Black has a decisive advantage.} 32. Rh5 Bf6 {And now ...Rd2 would win.} ({Resist} 32... Bxb2 33. R5xh4 Rxh4 34. Rxh4 $19) 33. Ke2 Rb4 34. Rh1 $2 {Precision: White = 36%, Black = 86%.} (34. Rc5) 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Parvanyan, Ashot"]
[Black "Schlosser, Philipp"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2383"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,25,17,17,4,4,5,6,5,2,2,7,0,0,0,0,4,10,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,-56]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. e3 O-O 8. Be2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} Qa5 (8... h6 9. Bh4 d5 10. cxd5 exd5 11. O-O Be6 12. Rc1 Qd7 13. Nxe6 fxe6 14. Bd3 Rad8 15. Bb1 Qe8 {1-0 (40) Wojtaszek,R (2749)-Radjabov,T (2710) Doha 2016}) 9. Bh4 {LiveBook: 3 Games} d5 {The position is equal.} 10. O-O Nxd4 11. Qxd4 dxc4 12. Qxc4 Bd7 13. Bf3 $146 ({Predecessor:} 13. Rfd1 Rac8 14. Qb3 Bc6 15. Rac1 Rfd8 {0-1 (81) Kim,A-Dubinin,A Ekaterinburg 2000}) 13... Qb6 14. Qe2 Bc6 15. Bxc6 Qxc6 16. Rac1 Rfc8 17. Rfd1 Qc4 18. Bg3 Qxe2 19. Nxe2 Ne4 20. Rxc8+ (20. Bc7 {seems wilder.} b6 21. h3 Bf6 22. b3 Bb2 23. Rc4) 20... Rxc8 21. Rd7 Rd8 22. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBN-KBN} 23. Be5 Bf6 24. Bxf6 Nxf6 {KN-KN} 25. Nc3 Kf8 26. Kf1 Ke7 27. Ke2 g5 28. h3 h5 29. Kd3 Nd7 30. h4 {Precision: White = 61%, Black = 63%.} (30. Kd4 $11) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Philippe, Christophe"]
[Black "Kuljasevic, Davorin"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2381"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,128,-12,-14,-19,-4,-18,-16,-14,-16,-16,4,0,0,-7,-11,-8,-6,-19,-18,-29,-28,-31,-14,-13,-12,-43,-31,-108,-16,-11,-8,-4,0,-28,-31,-43,-27,-59,-59,-65,-57,-57,-70,-68,-66,-78,-69,-57,-44,-60,-47,-61,-33,-49,-14,-64,-40,-56,-52,-146,-149,-147,-135,-124,-112,-120,-98,-124,-111,-134,-51,-73,0,0,0,0,0,-3,-9,-11,-13,-47,0,0,0,0,0,0,0,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,-10,-820,-785,-766,-68,-751,-745,-729,-697]} 1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. Be2 Nc6 5. O-O Bg4 6. Nbd2 {D04: Colle System} e6 7. b3 cxd4 8. exd4 Be7 9. Bb2 O-O {LiveBook: 13 Games} 10. h3 Bh5 11. Ne5 Bxe2 12. Qxe2 Qb6 13. Ndf3 Rad8 $146 14. Rfe1 Nd7 15. Nd3 Bf6 {[%cal Rc6d4]} 16. c3 Rfe8 17. Nfe5 Ncxe5 18. dxe5 Be7 19. Qg4 Bf8 20. Nf4 f5 21. Qg3 Nc5 22. Nh5 (22. Qe3 $15) 22... Kh8 (22... Ne4 $17 23. Nf6+ Kf7 24. Nxe4 dxe4) 23. Ba3 $11 Rd7 24. Bxc5 Qxc5 25. Rad1 Rc7 $36 {[%mdl 2048] Black is pushing.} 26. Rd3 Qa3 27. Re2 Qc1+ 28. Kh2 Qh6 $1 {[%cal Rh6h5]} 29. Qf3 $1 b5 30. Re1 Rec8 31. Ng3 Bc5 32. Ne2 Kg8 33. g3 g5 34. Kg2 Qg6 35. Red1 Bf8 36. Qe3 f4 37. Qf3 fxg3 38. fxg3 (38. Qxg3 $15 Bc5 39. Nd4) 38... Rf7 $17 39. Qe3 Bc5 40. Nd4 Rcf8 {Strongly threatening ...Qe4+.} 41. R3d2 g4 {[#] And now ...Rf3! would win.} 42. hxg4 Qxg4 43. Rh1 Bxd4 (43... b4 $17 {aiming for ...bxc3.} 44. cxb4 Bxd4 45. Qxd4 Qf3+ 46. Kh2 Rf5) 44. Rxd4 $15 Rf2+ ({Black should try} 44... Qg6 $17 45. Rh6 Qc2+ 46. Rd2 Qb1) 45. Qxf2 $11 Rxf2+ 46. Kxf2 {[%mdl 4096] Endgame KQ-KRR} Qf5+ 47. Rf4 Qc2+ 48. Kf3 h5 ({Resist} 48... Qxc3+ 49. Kg2 $17) 49. Rf1 $1 Kg7 50. Rf2 Qxc3+ 51. Kg2 Qxe5 52. g4 $1 h4 {[#] White must now prevent ...Kh6.} 53. Kh3 d4 54. Kxh4 Kg6 (54... d3 $5 55. R4f3 $8 Qe1 $11) 55. g5 Qh8+ 56. Kg4 Qh5+ 57. Kg3 Qd1 {Hoping for ...d3.} 58. Kh4 Qh5+ 59. Kg3 d3 {[%cal Bd4d3,Bd3d2][%mdl 32] ...e5 is the strong threat.} 60. Rg4 Qh1 61. Rf6+ $2 {[%mdl 8192]} (61. Rd4 $11) 61... Kg7 $19 62. Rgf4 Qh5 $2 (62... d2 $19 {( -> ...Qe1+)} 63. Rf1 d1=Q 64. Rxd1 Qxd1 65. Rxe6 Qd5) 63. Rxe6 $2 {[%mdl 8192]} (63. Rg4 $15) 63... d2 64. Re7+ Kg8 {Precision: White = 40%, Black = 55%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Lagunow, Raphael"]
[Black "Bellahcene, Bilel"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2368"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,29,29,21,20,20,23,10,10,10,16,9,25,-9,0,-6,0,-3,9,-11,8,-23,0,0,0,-21,-7,-8,-6,-4,0,-19,-19,-20,0,0,0,-11,0,0,0,-13,-13,-13,-13,-13,-6,-13,-6,-14,-14,-14,-14,-6,-6,-19,65,49,42,58,58,56,56,58,65,39,20,31,98,84,100,94,104,0,86,0,105,0]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 Qd7 5. h3 Bxf3 6. exf3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Bxf3 O-O-O 7. Nc3 e6 8. O-O h5 9. b4 Bxb4 10. Qd3 Nge7 11. Nb5 a6 12. a4 e5 13. Bg2 h4 {0-1 (32) Potkin,V (2625)-Popov,I (2650) Moscow 2014}) 6... Nf6 {LiveBook: 3 Games} 7. c3 e6 8. O-O {The position is equal.} Bd6 9. f4 h5 10. h4 $146 ({Find the theoretical novelty and annotate with similar games:} 10. Be3 Ne7 11. Nd2 Nf5 12. Qf3 O-O-O 13. c4 Bb4 {1-0 (54) Loncar,R (2430)-Jurkovic,H (2399) Kostrena 2002}) 10... Ne7 11. Nd2 Nf5 12. Bf3 c5 13. dxc5 Bxc5 {[#] Hoping for ...Nxg3.} 14. Kg2 Rc8 15. a4 a6 16. Qe2 g6 17. Rd1 O-O 18. Nf1 (18. b4 {NOTEXT} Ba7 19. Bb2 Qe7 20. a5 Rfd8 21. Rac1) 18... Qc7 (18... Rfe8 {NOTEXT} 19. Rd3 Qc7 20. Ne3 Nd6 21. Nc2 Nc4) 19. Be3 Nxe3+ 20. Nxe3 Rfe8 21. Re1 Red8 22. Red1 Rd6 23. Nc2 {[%cal Be3c2,Bc2e1,Be1d3,Bd3e5][%mdl 32]} Ba7 24. Ne1 Rdd8 25. Nd3 Qc4 26. Ne5 (26. Qe1 {NOTEXT} Nd7 27. a5 Qc7 28. Qe2 Kg7 29. Kg1) 26... Qxe2 27. Bxe2 Ne4 28. Nd3 Kf8 29. Bf3 Ke7 30. Kf1 Nd6 31. Ne5 Rc7 32. Rd2 Rb8 33. Re1 Kf8 (33... Kf6 $11) 34. Nxg6+ $1 $14 fxg6 35. Rxe6 Nc4 36. Rxd5 Kf7 37. f5 gxf5 38. Rh6 Kg7 39. Rxh5 Rf8 (39... Nxb2 $14 40. Rdxf5 Rf7) 40. b3 {[%mdl 1024] White has strong compensation.} ({Weaker is} 40. Rdxf5 Rxf5 41. Rxf5 Nxb2 $17) 40... Nb6 41. Rg5+ Kh8 42. Rh5+ Kg7 $1 43. Rg5+ Kh8 44. Rh5+ {Precision: White = 49%, Black = 44%.} (44. Re5 $16) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Baenziger, Fabian"]
[Black "Bindrich, Falko"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2365"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,138,24,17,0,0,1,0,0,-10,-6,0,0,0,-13,-10,-12,-6,-13,-3,-12,-14,2,-6,6,9,48,68,83,0,88,88,88,88,88,81,76,6,6,4,8,4,19,6,6,5,7,4,7,0,0,0,6,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rc1 b6 10. cxd5 cxd5 11. Bf4 Bb7 12. Qb3 Rc8 13. Rxc8 Qxc8 14. Nc3 Nh5 15. Bg5 Bxg5 16. Nxg5 Qb8 {½-½ (36) Karjakin,S (2753)-Wei,Y (2743) Wijk aan Zee 2018}) 6. Bg2 {E01: Catalan: Early deviations} O-O 7. O-O c6 8. Qc2 Nbd7 9. Bc3 {LiveBook: 3 Games} dxc4 10. a4 Rb8 11. e4 {[#] aiming for e5.} Be7 12. a5 $146 ({Predecessor:} 12. Ne5 Nxe5 13. dxe5 {0-1 (30) Darnell,A (1979)-Kashlinskaya,A (2462) Gibraltar 2016}) 12... b5 13. axb6 $1 axb6 14. Nbd2 b5 {[%cal Bb6b5,Bb5b4][%mdl 32] [#] White must now prevent ...b4.} 15. Ba5 Qe8 16. b3 cxb3 17. Nxb3 Bb7 18. Ne1 b4 19. Nd3 $36 {[%mdl 2048] White is more active.} Ba6 20. Rfc1 Bxd3 21. Qxd3 Rc8 22. Qd2 ({White should play} 22. Qc4 $16) 22... e5 (22... c5 $11 {keeps the balance.}) 23. Bxb4 Bxb4 24. Qxb4 exd4 25. Qxd4 Qe7 26. e5 (26. Qc4 $16) 26... Qxe5 $11 {The position is equal.} 27. Rxc6 Qe2 28. Qd2 Qh5 29. Rxc8 Rxc8 30. Rc1 Rxc1+ 31. Nxc1 g6 32. Qe2 Qa5 33. Nd3 Qa1+ 34. Qe1 Qd4 35. Qe2 h5 36. Bf3 Qc3 37. Kg2 Kg7 38. h4 Qd4 39. Bc6 Nb6 40. Qb2 Qd8 41. Nf4 Qc7 42. Bf3 Nbd7 43. Nd5 (43. Nd3 {feels hotter.} Qc4 44. Nb4 Qe6 45. Nc6 Nc5 46. Qd4) 43... Qd6 44. Nxf6 (44. Qb4 {with more complications.} Qc5 45. Qc3 Qd6 46. Nxf6 Nxf6 47. Kh2) 44... Nxf6 45. Qa1 Qe6 46. Qd4 Qf5 47. Qb2 Kh7 48. Qb3 Ng8 49. Bd5 Nh6 50. Qf3 Qd7 51. Bc6 Qd4 52. Qd5 Qb2 53. Qf3 Kg7 54. Bd5 Nf5 55. Kh2 Qe5 56. Kg2 Qd4 57. Be4 Nd6 58. Bc6 Qb2 59. Qf4 Nf5 60. Be4 Ne7 61. Qd6 Ng8 62. Bf3 Nh6 63. Qf4 Qc3 64. Bd5 Qc5 65. Bf3 Qe7 66. Qd4+ Kg8 67. Qe4 Qf6 68. Qc6 Kg7 69. Qxf6+ Kxf6 {Precision: White = 61%, Black = 79%.} 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Pavlovic, Milos"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2358"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,0,0,0,22,-4,26,17,22,12,27,11,27,11,10,0,12,-49,-45,-87,-68,-108,-100,-162,-162,-162,-181,-235,-227,-231,-236,-298,-285,-327,-185,-261,-146,-216,-167,-168,-166,-220,-214,-224,-192,-183,-164,-234,-171,-212,-207,-217,-216,-391,-382,-375,-382,-389,-373,-388,-400,-425,-405,-389,-390,-389,-400,-417,-407,-468,-468,-472,-466,-472,-453,-470,-454,-757,-553]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bd6 (4... Bb4 5. Nge2 Nh5 6. a3 Be7 7. Be5 Nd7 8. g4 Nhf6 9. Bf4 O-O 10. Ng3 c5 11. g5 Ne8 12. h4 {1-0 (47) Rapport,R (2698)-Grischuk,A (2750) chess.com INT 2017}) 5. g4 Bxf4 6. exf4 {D00: 1 d4 d5: Unusual lines} Qd6 $146 ({Predecessor:} 6... Nc6 7. Bg2 Qd6 8. g5 Ng8 9. Qd2 a6 10. Nf3 Nge7 11. O-O-O Bd7 12. Ne5 Nxe5 13. fxe5 {0-1 (30) Sutkovic,D (2320)-Kosic,D (2482) Sarajevo 2015}) 7. Qf3 c5 8. dxc5 {White has an edge.} Qxc5 9. g5 Nfd7 10. Bd3 Nc6 {[%cal Bb8c6,Bc6b4,Bb4d3][%mdl 32]} 11. Nge2 Nb6 12. a3 Bd7 13. b4 (13. O-O-O $11) 13... Qe7 $15 14. Nb5 {Strongly threatening Nc7+.} O-O {...e5 is the strong threat.} 15. Qe3 {[#]} Nxb4 $1 {[%mdl 512]} 16. Nbd4 (16. axb4 $17 Bxb5 17. Qc5 Qxc5 18. bxc5 Bxd3 19. cxd3) 16... Nxd3+ $19 17. cxd3 Rae8 18. h4 (18. Rb1 {was worth a try.}) 18... f6 19. gxf6 gxf6 ({Don't take} 19... Qxf6 20. Qe5 $17) 20. Rg1+ Kh8 21. Nf3 Na4 (21... e5 $142 22. fxe5 fxe5) 22. h5 (22. Kf1 $142) 22... Nc5 ({Black should try} 22... e5 $19 {Threatens to win with ...d4.} 23. d4 e4) 23. h6 (23. Rc1 $17 Rc8 24. h6) 23... Rg8 24. Rxg8+ Rxg8 25. Ng3 (25. Ne5 {is a better defense.}) 25... Bb5 26. Rd1 Qd6 27. Nh5 Rg6 28. Qd4 (28. Ng3 {keeps fighting.}) 28... Qe7 ({Not} 28... Rxh6 29. Nxf6 Nb3 30. Qc3 $15) 29. a4 Bc6 ({But not} 29... Bxa4 30. Rc1 $17) 30. Ke2 Rxh6 31. Rh1 $2 {[#]} (31. Ng3 {was the only chance.}) 31... Be8 32. Ng3 Rxh1 33. Nxh1 Bg6 34. Ne1 b6 35. Ng3 Kg7 36. Kf1 Qd6 37. f5 exf5 {[%cal Be6f5,Bf5f4][%mdl 32]} 38. Ne2 Ne6 39. Qh4 f4 {Black is clearly winning.} 40. d4 Qc7 41. Qg4 Kf7 42. Kg1 h5 43. Qh4 (43. Qf3 $142 Qd6 44. Qc3) 43... Qc4 {Precision: White = 27%, Black = 76%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Keinanen, Toivo"]
[Black "Burmakin, Vladimir"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2358"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,79,0,0,-24,-22,-44,-41,-39,-15,-17,-15,-24,-16,-27,-17,-16,-20,-23,-11,-7,0,0,0,0,0,-50,-50,-47,-39,-62,-50,-162,-45,-456,-470,-358,-347,-599,-585,-567,-561,-830,-831,-1191,-1164,-1114,-1132,-1051,-1050,-29986,-29987,-29989,-6538,-5731,-497,-5502,-2788,-29999]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. cxd5 cxd5 5. Nc3 e6 6. e3 a6 7. Bd3 b5 8. Ne5 Bd6 9. f4 Nbd7 10. O-O Bb7 11. Bd2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} O-O 12. Be1 (12. Qe2 Ne4 13. a4 Nxd2 14. Qxd2 b4 15. Na2 Nf6 16. Qe1 a5 17. Nc1 Ne4 {½-½ (17) Jussupow,A (2607)-Milov,V (2659) Switzerland 2007}) 12... Ne4 {LiveBook: 11 Games} 13. Nxd7 {The position is equal.} (13. Qf3 {looks sharper.} f5 14. a3 Qe7 15. Qh3 Qe8 16. Nxe4 dxe4 17. Be2) 13... Qxd7 14. Nxe4 dxe4 15. Be2 $146 ({Predecessor:} 15. Bc2 Bd5 16. g4 Rac8 17. Rf2 Rc6 18. Bb3 Rfc8 {½-½ (41) Avni,A (2370)-Porper,E (2395) Ramat Gan 1992}) 15... Bd5 16. Ba5 Rfc8 17. Qd2 Rc6 18. a3 Rac8 19. Rfc1 h6 20. Bb4 g5 {White should prevent ...Rxc1+.} 21. g3 gxf4 (21... Kh7 {feels hotter.} 22. Rxc6 Bxb4 23. axb4 Qxc6 24. Bd1 f5) 22. gxf4 Kh7 23. Rxc6 Qxc6 24. Kf2 Bxb4 25. axb4 Qc2 $36 {[%mdl 2048] Black fights for an advantage.} 26. Ke1 $1 Qc7 $1 27. Kf1 (27. Kf2 $15) 27... Qe7 (27... Rg8 $1 $19 28. Qe1 (28. Rxa6 f5 $15) 28... f5) 28. Rc1 $2 {[%mdl 8192]} ({Don't go for} 28. Rxa6 $2 Qh4 $17) (28. Kg1 $15) 28... Rg8 $1 $19 {Threatens to win with ...Qh4.} 29. Qe1 {[#]} e5 $1 {[%mdl 512]} 30. fxe5 $2 {[#]} ({But not} 30. dxe5 $2 Be6 $19) (30. Qf2 {was the only chance.} exd4 31. Rc5) 30... Be6 $1 {[%cal Re6h3] ( -> ...Bh3+)} 31. Qf2 {With the idea Rc5.} Rg5 32. Ke1 Qxb4+ 33. Rc3 Qxb2 34. Rc7 Qb4+ 35. Kd1 Bb3+ 36. Kc1 Qa3+ 37. Kd2 Qa2+ (37... Qa5+ $142 38. Kc1 Qxc7+ 39. Bc4 Qxc4+ 40. Kb2 b4 41. Qxf7+ Qxf7 42. e6 Bxe6 43. d5 Bxd5 44. h4 Rg2+ 45. Kc1 Qf1#) 38. Kc3 Qc2+ 39. Kb4 {[#]} a5+ $1 {[%mdl 512]} 40. Ka3 (40. Kxa5 Qxc7+) 40... b4# {Precision: White = 40%, Black = 70%.} 0-1

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Vijayalakshmi, Subbaraman"]
[Black "Milov, Leonid"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2345"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,18,12,-13,-19,-27,-20,-35,-34,-37,-33,-42,-24,-37,-37,-34,-15,-24,-25,-29,-10,-14,45,4,38,33,93,93,93,93,89,77,82,12,172]} 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. b3 O-O 6. Bb2 a5 {A81: Dutch Defence: 2 g3} (6... d6 7. O-O c6 8. c4 a5 9. Nc3 Na6 10. Rb1 Qc7 11. d5 e5 12. dxe6 Bxe6 13. Ng5 Bd7 14. Qd2 Rad8 15. Rbd1 Bc8 16. Nh3 Nc5 17. Nf4 Ng4 {0-1 (31) Ftacnik,L (2552)-Navara,D (2737) Slovakia 2017}) 7. a4 d6 8. O-O Nc6 {LiveBook: 5 Games} 9. d5 $146 ({Find the theoretical novelty and annotate with similar games:} 9. Na3 Bd7 10. Nb5 Nb4 11. c3 Na6 12. Nd2 c6 13. Na3 Qc7 14. Nac4 Rad8 15. f3 f4 {1-0 (38) Ftacnik,L (2568)-Renner,C (2420) Nuremberg 2010}) 9... Nb4 10. c4 c6 {[%cal Rc6d5]} 11. Ne1 e5 12. dxe6 Bxe6 13. Na3 {[%cal Bb1a3,Ba3c4,Bc4b6][%mdl 32]} d5 14. Nd3 Qe7 15. Qc1 Ne4 16. cxd5 Bxd5 17. Nc4 Bxb2 18. Qxb2 Qf6 (18... Bxc4 $11 19. bxc4 Rfe8) 19. Qxf6 (19. Bxe4 {NOTEXT} Bxe4 20. Qxf6 Rxf6 21. Nc5 Rf7 22. Nb6) 19... Rxf6 (19... Nxf6 {NOTEXT} 20. Nc5 Rf7 21. Rfd1 Re7 22. e3 Kf8) 20. Nb6 Re8 (20... Rd8 $14) 21. Nxb4 $16 axb4 22. Nxd5 cxd5 {[#]} 23. Bxe4 $1 Rxe4 24. e3 (24. Ra2 $16) 24... Re8 $2 {Precision: White = 73%, Black = 37%.} (24... d4 $11 {and Black is okay.}) 1/2-1/2

[Event "3rd GRENKE Chess Open 2018"]
[Site "Karlsruhe"]
[Date "2018.04.02"]
[Round "9"]
[White "Baskin, Robert"]
[Black "Perske, Thore"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2339"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,163,0,-1,-36,8,24,25,10,11,6,8,4,58,39,36,31,56,7,0,0,0,0,0,0,0,0,0,-39,-39,-39,-39,-37,-27,-39,-39,-39,-24,-25,-27,-39,-39,-57,-52,-52,-52,-65,-65,-65,-65,-65,-65,-65,-32,-37,-16,-65,-65,-65,-65,-65,-58,-83,-7,-7,-7,-7,-7,-7,-7,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-35,-35,-91,-92,-93,-93,-91,-91,-388,-212,-1699,-1168,-2840,-2448,-1324,-2307,-7427,-6720,-6319,-5712,-5158,-1637,-4694,-3593,-3120,-48,-48,-48,-47,-34,-34,-34,-29936,-29940,-12848,-8871,-757,-8,-8,-8,-29950,-29950,-29945,-29945,-29963,-29965,-29964,-29966,-29967,-29968,-29965,-74,-74,-8,-29969,-29971,-29971,-29972,-29970,-29973,-29972,-29973,-29971,-29974,-29974,-29974,-29972,-29973,-606,-599,-29983,-29984,-29984]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. c4 Bb4+ 6. Nc3 {C01: French: Exchange Variation} Nf6 {LiveBook: 4 Games} 7. h3 Be6 $146 ({Predecessor:} 7... Bh5 8. g4 Bg6 9. Bg2 O-O 10. O-O dxc4 11. Ne5 c6 12. Bg5 Nbd7 13. Nxc4 Re8 {½-½ (22) Spassky,B (2551)-Short,N (2676) Zuerich 2001}) 8. cxd5 {The position is equal.} Nxd5 9. Bd2 h6 10. Bd3 O-O 11. O-O ({Reject} 11. Nxd5 Bxd2+ 12. Nxd2 Bxd5 $15) 11... c5 (11... Nc6 $11) 12. Ne4 Nd7 13. dxc5 Bxc5 14. Nxc5 (14. Bxh6 $5 gxh6 15. Qc1 $11) 14... Nxc5 15. Bc4 Qf6 16. Bxd5 Bxd5 17. Bc3 Bxf3 18. Bxf6 Bxd1 19. Bd4 (19. Be7 {is interesting.} Ba4 20. Bxc5 Rfc8 21. Be3 Rc2 22. b3) 19... Be2 20. Bxc5 Bxf1 21. Bxf8 Bxg2 22. Bxg7 $1 Kxg7 23. Kxg2 $15 {[%mdl 4096] Endgame KR-KR} Rc8 24. a3 Rc2 25. b4 Rc3 26. a4 Rb3 27. b5 Rb4 28. Ra3 b6 29. Rg3+ Kf6 30. Rf3+ Ke7 31. Re3+ Kf8 32. Ra3 h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} 33. Kf3 Kg7 34. Kg3 h4+ 35. Kf3 Kf6 36. a5 Rxb5 (36... Kg5 $1 $17) 37. axb6 $11 axb6 38. Ra4 Kg5 {Threatening ...Rb3+.} 39. Rg4+ Kh5 40. Rg7 Rf5+ 41. Ke3 Rf6 42. f4 Kh6 43. Rg4 Kh7 44. Rxh4+ Rh6 45. Rg4 $1 Rxh3+ 46. Ke4 Rh6 47. f5 ({White should try} 47. Rg5 $15) 47... b5 $1 $17 48. Kd5 Rf6 $1 49. Ke5 Rb6 $1 50. Rh4+ $2 {[%mdl 8192]} (50. Rb4 $17) 50... Kg7 $19 51. Rg4+ $2 (51. Rb4) 51... Kh6 52. Rb4 Kg5 53. Ke4 f6 54. Rb1 b4 55. Rg1+ Kh6 56. Rh1+ Kg7 $1 57. Rg1+ Kf7 58. Kd3 Ke7 $2 (58... b3 $1 $19 {White must now prevent ...Ke7.} 59. Kc3 b2) 59. Re1+ $1 $15 Kd7 {Threatens to win with ...b3.} 60. Kc2 $1 b3+ 61. Kb2 Rb5 62. Re3 $2 {[%mdl 8192]} (62. Rd1+ $15 Ke8 63. Ra1) 62... Rxf5 63. Kxb3 Rc5 $1 64. Re1 f5 $2 (64... Kd6 $19 {aiming for ...f5.} 65. Rf1 Ke6) 65. Kb4 $11 Kd6 {...Rc8 is the strong threat.} 66. Rd1+ $2 {[%mdl 8192]} (66. Rf1 $11) 66... Rd5 67. Re1 {[#]} Re5 $1 68. Rf1 Re4+ 69. Kc3 Ke5 70. Kd3 f4 71. Rf2 Kf5 $2 (71... Re3+ {mates} 72. Kd2 Ke4 73. Rh2 Kf3 74. Rh3+ Kf2 75. Rh2+ Kg3 76. Rh6 Ra3 77. Ke1 Ra1+ 78. Kd2 f3 79. Rg6+ Kf2 80. Rf6 Ra2+ 81. Kd1 Kg2 82. Rg6+ Kf1 83. Rg3 f2 84. Rg5 Ra3 85. Kd2 Ra2+ 86. Kd1 Ra3 87. Kd2 Ra2+ 88. Kd1) 72. Re2 $17 Ra4 ({Black should play} 72... Rb4 $17 {Strongly threatening ...f3.} 73. Re8 Kg4) 73. Kd2 $2 {[%mdl 8192]} (73. Rf2 $11) 73... Kg4 74. Ke1 Kg3 75. Re8 Ra1+ 76. Kd2 f3 77. Rg8+ {[#]} Kf2 $1 78. Rf8 Kg2 79. Rg8+ Kf1 80. Rf8 f2 81. Ke3 Ke1 82. Kd4 {Precision: White = 36%, Black = 65%.} 0-1

