[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Amin, Bassem"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2693"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,0,0,0,0,0,-3,10,-8,-16,-6,-23,-22,-11,-17,-4,-18,-20,-12,-12,-19,0,-50,-26,-35,-9,-9,-3,-9,-16,-15,-10,-21,-9,-2,0,0,0,0,0,0,0,0,0,0,0,0]} 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 {LiveBook: 9 Partien. A07: Barcza-System (Königsfianchetto mit möglichen Übergängen in andere Systeme)} c6 $146 ({Vorgänger:} 8... Ne7 9. a4 Nbc6 10. a5 Rb8 11. Nd2 b6 12. axb6 cxb6 13. Re1 Bb7 14. Nc4 a6 15. Ne4 Nf5 {1-0 (45) Vachier Lagrave,M (2723)-Caruana,F (2805) Stavanger 2015}) 9. Re1 Re8 10. Bg5 Qc7 11. d4 Nxc3 12. bxc3 Bg4 13. h3 Bxf3 14. Qxf3 h6 15. Bf6 Nd7 16. Bxg7 Kxg7 17. Re3 Re6 18. h4 Rae8 19. h5 Nf6 {Droht stark ...e4.} (19... e4 {is interesting.} 20. Qe2 f5 21. Bh3 Nf6 22. hxg6 Kxg6 23. c4 h5) 20. hxg6 {Die Stellung ist ausgeglichen.} fxg6 {und nun wäre ...e4 stark für Schwarz.} 21. Qe2 e4 {Und ...Sd5 würde nun gewinnen.} 22. c4 h5 23. Rb1 b6 24. Re1 Qf7 25. Bh3 R6e7 26. a4 Nh7 27. Bg2 {[%cal Rg2e4]} Nf6 28. Bh3 Nh7 29. Bg2 {[%cal Rg2e4]} Nf6 30. Bh3 {Precision: Weiß = 54%, Schwarz = 78%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Krasenkow, Michal"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2671"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,24,27,-11,-11,-36,-12,-31,-33,-31,-10,-33,-26,-66,-14,-15,-20,-12,-17,-38,-16,-31,-18,-19,-10,-20,-12,-3,9,-7,-7,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,38,38,62,45,58,23,32,8,8,8,63,25,25,25,51,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 c6 3. Bf4 Nf6 4. e3 Bg4 5. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} e6 6. h3 Bxf3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 7. Nxf3 Bd6 {LiveBook: 5 Games} 8. Ne5 Qc7 9. Bh2 Nbd7 $146 ({Find the theoretical novelty and annotate with similar games:} 9... O-O 10. Bd3 c5 11. c3 Nc6 12. f4 Ne4 13. O-O f5 14. Qe2 {½-½ (36) Mitkov,N (2535)-Georgiev,K (2663) Struga 2007}) 10. f4 O-O 11. Bd3 Ne4 12. Bxe4 (12. O-O {NOTEXT} f6 13. Nxd7 Qxd7 14. c4 f5 15. Rc1) 12... dxe4 13. O-O f6 (13... Nb6 $15) 14. Nxd7 Qxd7 15. c4 f5 16. Qb3 h6 17. g4 Kh7 18. Rad1 Rg8 19. Kh1 g6 20. Rg1 Rad8 21. Bg3 g5 22. Rdf1 gxf4 23. Bxf4 Bxf4 24. Rxf4 Rg5 25. gxf5 exf5 26. Qd1 {[#] Threatens to win with Rxg5.} Qf7 27. Qf1 $36 {[%mdl 2048] Hoping for Rxg5. White fights for an advantage.} Rf8 28. h4 Rxg1+ 29. Kxg1 $11 {[%mdl 4096] Endgame KQR-KQR} Qf6 30. b3 Rf7 31. Kh1 Kg8 32. Qh3 Kf8 33. Rf2 Ke7 34. Qg3 Qd6 35. Qxd6+ Kxd6 $14 {KR-KR} 36. Kg1 Ke6 (36... c5 $11) 37. Rg2 f4 38. Kf2 c5 39. Rg6+ (39. d5+ $1 $14 Ke5 40. Rg6) 39... Kf5 $11 {The position is equal.} 40. Rd6 {And now Rd5+ would win.} cxd4 41. Rxd4 f3 42. Rd5+ Ke6 43. Rd4 {Precision: White = 62%, Black = 45%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Korobov, Anton"]
[Black "Bluebaum, Matthias"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2652"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,0,-4,-11,-4,-6,-12,-13,-11,-14,0,-18,-4,-17,-17,-24,-18,-11,45,45,32,34,50,50,37,42,45,0,0,0,0,-2,0,0,0,0,0,0,0,0,16,-8,99,100,132,144,126,126,167,157,123,144,143,129,345,356,348,274,361,354,635,630,637,637,637,637]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Qb6 (5... e6 6. c3 cxd4 7. exd4 Nh5 8. Be3 Bd6 9. Bd3 Nf4 10. Bxf4 Bxf4 11. O-O O-O 12. Re1 Bd7 13. Ne5 Nxe5 14. dxe5 g6 {1-0 (104) Vidit,S (2715)-Aronian,L (2805) Riadh 2017}) 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qxb2 7. Rb1 Qc3 8. Bb5 e6 9. O-O Be7 {LiveBook: 15 Games} 10. Nb3 O-O 11. Qd3 Ne4 12. Bxc6 $146 ({Predecessor:} 12. Rfc1 Nb4 {0-1 (47) Rosen,E (2369)-Schroeder,J (2539) Helsingor 2017}) 12... bxc6 13. Ne5 Bf6 14. Nxc6 Bd7 15. Nca5 {[%cal Bc6a5,Ba5b7,Bb7d6][%mdl 32]} Rfc8 16. Nb7 $1 e5 17. Bg3 $1 Rc7 (17... Qb4 $11 18. Nd6 Nxd6 19. Qxd5 Be6 20. Qxd6 Rd8) 18. Nd6 $14 Qxd3 19. cxd3 Nxc5 20. Rfc1 Ne6 21. Rxc7 Nxc7 22. Na5 Na6 $36 {[%mdl 2048] Black fights for an advantage.} 23. Nab7 Rb8 {next ...Nc5! is good for Black.} 24. Rb3 Bc6 25. h3 h5 26. h4 Kf8 27. Kh2 Kg8 28. f3 Kh7 29. Na5 Ba4 {[#]} (29... Rxb3 $11 {remains equal.} 30. Nxb3 (30. axb3 Ba8 $15) 30... Kg6) 30. Ra3 $1 $16 {[%cal Ra3a4]} Be8 31. Nxe8 Rxe8 32. Nc6 $1 {[%csl LRa6,LRa7]} Nc5 {[#]} 33. Nxe5 $1 {[%mdl 512]} Rxe5 34. d4 {[%cal Bd3d4,Bd4c5,Bc5c6,Bc6c7][%mdl 32]} Re6 {...Ra6 is the strong threat.} 35. dxc5 {[%mdl 4096] Endgame KRB-KRB} a6 $2 (35... Be7 $16) 36. Rd3 $18 Kg6 37. Bf2 Re5 38. Kh3 Be7 $2 (38... Re8 39. Rxd5 Rc8) 39. c6 {Threatens to win with c7.White is clearly winning.} Bd6 40. Bg3 Re6 41. c7 {Precision: White = 80%, Black = 48%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Xiong, Jeffery"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2634"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,87,0,0,0,21,20,19,17,20,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Be6 7. O-O Nd7 8. Nb3 Bb6 9. Ng5 Bxb3 10. axb3 f6 {LiveBook: 17 Games. The position is equal.} 11. Nf3 {[%cal Bg5f3,Bf3d2,Bd2c4][%mdl 32]} O-O 12. Nd2 Nc5 13. Qg4 $146 ({Find the theoretical novelty and annotate with similar games:} 13. Nc4 Ne6 {½-½ (58) Giri,A (2790)-Kramnik,V (2801) Stavanger 2016}) 13... Qc8 14. Qxc8 (14. Qf3 {NOTEXT} Rd8 15. Nc4 Qd7 16. h4 Ne6 17. Bd2) 14... Rfxc8 15. Nc4 Ne6 16. Be3 Bxe3 17. fxe3 c5 18. g4 a6 19. h4 h6 20. Rf2 b6 21. Kf1 a5 22. Ke2 Re8 23. Nd2 Kf7 24. Nf3 Ke7 25. g5 hxg5 26. hxg5 Rh8 27. Raf1 Rh5 28. gxf6+ gxf6 29. Nd2 Rah8 30. Nb1 Rh2 31. Nc3 Rxf2+ 32. Rxf2 $11 {[%mdl 4096] Endgame KRN-KRN} c6 33. Kd2 Rh3 34. Rg2 Kf7 35. Nd1 Rh4 36. Nf2 Ng5 37. Ke2 Ke6 38. Ng4 Nf7 39. Nh2 Ng5 40. Nf1 Rh1 41. Rf2 Nh3 42. Rg2 Ng5 43. Rf2 Nh3 44. Rg2 {Precision: White = 99%, Black = 79%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Van Foreest, Jorden"]
[Black "Van Foreest, Lucas"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2629"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,123,11,16,0,0,0,0,8,16,29,19,35,60,29,71,82,154,137,329,345,349,347,348,318,296,78,77,75,99,93,92,60,56,59,61,64,85,89,93,93,89,90,107,92,137,144,158,115,116,116,116,133,189,188,202,194,315,306,385,362,29969,29970,29967,113,29968,29969,29991,29992,29994,385,401,392,355,296,294,263,280,252,263,245,281,275,256,254,370,391,380,377,356,385,363,326,268,273,527,532,387,1329,1108,825,537,479,5447,5073,1037,1018,497,452]} 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} (7. Nd2 c6 8. Ba4 d6 9. Nf3 Bb6 10. c3 h6 11. Re1 O-O 12. h3 Re8 13. Bc2 d5 14. d4 Nxe4 15. Bxe4 dxe4 16. Nxe5 {½-½ (57) Harikrishna,P (2744)-Wang,H (2709) Huaian 2017}) 7... Bb6 8. Na3 c6 9. Ba4 d6 {LiveBook: 16 Games} 10. Bc2 Bg4 $146 11. Qe1 Be6 12. Nc4 Bc7 13. f4 exf4 14. Bxf4 Nh5 15. Bd2 Bxc4 16. dxc4 {[%cal Bd3c4,Bc4c5][%mdl 32]} h6 (16... Qe7 $142) 17. c5 $1 $16 O-O $2 (17... g5 $16) 18. Rf5 $18 g6 {[#]} 19. Rxh5 $1 {[%mdl 512]} gxh5 20. Bxh6 Qf6 21. Bxf8 $2 (21. Qd2 $1 $18 {and the rest is easy.}) 21... Rxf8 $16 22. Qg3+ Qg7 23. Qh4 dxc5 24. Qxh5 Rd8 {Threatens to win with ...Rd2.} 25. Rd1 Rxd1+ 26. Bxd1 b5 27. Qg4 {And now Qc8+ would win.} Be5 28. Qc8+ Qf8 29. Qxc6 Qd8 30. Be2 $1 c4 31. g3 a6 32. Qxa6 Qd2 33. Qc8+ ({Of course not} 33. Qxb5 $6 Qe1+ 34. Bf1 Qe3+ 35. Kh1 (35. Kg2 Qxe4+ 36. Kg1 Qe3+ 37. Kh1 Qf3+ 38. Kg1 Qe3+ 39. Kh1 Qf3+ 40. Kg1 Qe3+ $11) 35... Qxe4+ 36. Kg1 Qe3+ 37. Kh1 Qf3+ 38. Kg1 Qe3+ 39. Kh1 Qf3+ 40. Kg1 Qe3+ $11) 33... Kg7 34. Qf5 Bf6 (34... Qxe2 $16 {might work better.} 35. Qxe5+ f6 36. Qe7+ (36. Qxb5 Qe3+ 37. Kh1 Qf3+ 38. Kg1 Qe3+ 39. Kh1 Qf3+ 40. Kg1 Qe3+ $11) 36... Kg6) 35. Bh5 $18 Qc1+ {[#]} 36. Kg2 $1 {Black must now prevent e5.} Qxb2+ (36... Qd2+ $142 37. Kh3 Qg5) 37. Kh3 {e5 would kill now.} Qxc3 38. Qd5 Qe5 $2 (38... Kh8 $18 39. Bxf7 Kg7) 39. Qxf7+ Kh8 40. Qf8+ Kh7 {[#]} 41. Bg4 $1 Bg7 42. Bf5+ Kh6 43. Qd8 $2 (43. Qg8 {NOTEXT} Qxf5+ 44. exf5 b4 45. Qf7 Kh7 46. f6 Kh6 47. Qxg7+ Kh5 48. g4#) 43... Qf6 44. Qg8 Kg5 45. Qb8 {Threatening mate with Qf4+.} Kh6 46. Qxb5 c3 47. Bg4 {[%csl Gg4][%cal Rb5h5]} Qf7 48. Qc6+ Kg5 {[%cal Rf7f1]} 49. Qc5+ Kh6 {( -> ...Qf1+)} 50. Qb6+ Kh7 (50... Qg6 $142 51. Qc5 Qg5 52. Qc6+ Qg6) 51. Bf5+ Kh8 52. Qd8+ Bf8 53. Qh4+ Kg8 54. Qg4+ Kh8 {intending ...c2.} 55. e5 c2 $2 (55... Be7 {is a better defense.} 56. Bd3 c2 57. Qc8+ Kg7 58. Qxc2 Qh5+ 59. Kg2 Qxe5) 56. Bxc2 {aiming for Qh4+.} Qf1+ 57. Kh4 {White wants to mate with Qh5+.} Be7+ {White is clearly winning.} 58. Kh5 {White threatens Kg6 and mate.} Qf7+ 59. Bg6 Qxa2 (59... Qg7 $142 60. Qe6 Qf8) 60. h4 Qd5 61. Qf4 Kg8 62. Be4 {Precision: White = 79%, Black = 50%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Tari, Aryan"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2599"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,73,28,25,22,21,39,21,35,0,0,0,0,0,0,-8,0,-16,-16,-16,-30,-32,-27,-25,-33,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 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 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6 13. Bc2 d5 14. dxe5 {C93: Spanische Partie (Smyslow-Variante)} Nxe5 15. Nxe5 Rxe5 16. Nf3 Re8 (16... Rxe4 17. Bxe4 dxe4 18. Qxd8 Rxd8 19. Nd4 Nd5 20. Rd1 Nb6 21. Bf4 Na4 {½-½ (58) Salgado Lopez,I (2629)-Kovalev,V (2636) Heraklio 2017}) 17. e5 Ne4 18. Bf4 {LiveBook: 5 Partien} c5 19. a4 f5 20. Nd2 Qh4 21. Nxe4 $146 ({Vorgänger:} 21. Be3 Bc6 22. axb5 axb5 23. Rxa8 Bxa8 {½-½ (36) O'Toole,R (2152)-Morcin,T (2079) LSS email 2013}) 21... dxe4 22. Qd7 Qxf4 23. Qxb7 Rad8 {[#] Droht stark ...Td2.} 24. Re2 Qxe5 25. axb5 axb5 26. Qxb5 Kh8 27. Qc4 Rb8 28. Ba4 Bd6 {[#] ( -> ...Dh2+)} 29. g3 Re6 {Die Stellung ist ausgeglichen.} 30. Bb3 Rg6 31. Qd5 Rxg3+ 32. fxg3 Qxg3+ 33. Rg2 Qe3+ 34. Kf1 Qf3+ 35. Kg1 Qe3+ 36. Kf1 Qf3+ 37. Kg1 {Precision: Weiß = 84%, Schwarz = 80%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "Girya, Olga"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2489"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,100,90,102,84,93,79,86,79,81,82,87,29,36,33,57,40,59,34,42,44,65,57,93,0,0,-27,0,0,0,0,0,0,0,0,12,-73,-59,-55,-48,-84,-89,-140,-112,-360,-377,-536,-333,-639,-647,-641,-631,-584,-385,-552,-376,-375,-352,-359,-322,-1298,-1245,-29992,-29986,-29993,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29991,-29992]} 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Na6 7. O-O e5 8. Be3 c6 9. d5 Ng4 10. Bg5 f6 11. Bh4 c5 12. Ne1 h5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (12... Nh6 13. f3 Nf7 14. Rb1 h5 15. Nd3 Bh6 16. Bf2 Bd7 17. b4 b6 18. bxc5 Nxc5 19. a4 a5 20. Qc2 {1-0 (67) So,W (2822)-Shimanov,A (2642) chess.com INT 2017}) 13. a3 Nh6 14. f3 Nf7 15. Nc2 Bh6 {LiveBook: 3 Games} 16. Bd3 Bd7 17. Qe2 {[#]} Nc7 $146 ({Predecessor:} 17... Kg7 18. Ne3 Qe7 19. Rab1 b6 20. Bc2 {0-1 (63) Ochsner,B (2417)-Maze,S (2628) Helsingor 2016}) 18. b4 b6 19. Ne3 Ne8 20. Bf2 (20. Rab1 $16) 20... Ng7 $11 21. Qc2 Nh8 {[%cal Bf7h8,Bh8g6,Bg6f4][%mdl 32]} 22. bxc5 bxc5 23. Rab1 f5 24. exf5 gxf5 25. Rb7 Bc8 26. Rb2 ({White should play} 26. Rxg7+ $1 $16 Kxg7 27. Nxf5+ Bxf5 28. Bxf5) 26... Ng6 27. Rfb1 Nf4 28. Bf1 h4 29. Qa4 {Threatens to win with Qc6.} Bd7 30. Qa6 Qf6 31. Nb5 $1 Bxb5 32. Qxb5 (32. cxb5 $11 {remains equal.} Rfd8 33. a4) 32... Qg6 {White must now prevent ...Nh3+.} 33. Kh1 Nfh5 34. Qb3 Ng3+ 35. Kg1 ({Don't blunder} 35. hxg3 $2 hxg3 36. Kg1 gxf2+ 37. Kxf2 Bf4 $19) (35. Bxg3 $142 hxg3 36. h3) 35... e4 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 36. hxg3 $2 (36. fxe4 $17 {was worth a try.} Nxe4 37. Qd3 (37. Bxh4 f4 $15)) 36... hxg3 $19 37. Be1 (37. Bxg3 $142 Qxg3 38. Be2) 37... Rae8 38. Nd1 $2 (38. fxe4 f4 39. Nc2) 38... e3 {aiming for ...Bf4.} 39. Bd3 Nh5 40. Nc3 Nf4 41. Qc2 (41. Qd1 {is a better defense.} Qg5 42. Ne2) 41... e2 42. Bxf5 Qh5 $1 {[%csl Gg3][%cal Rh5h2]} 43. Bxg3 {[#]} ({Much weaker is} 43. Bh7+ Kh8 $17) 43... Bg7 $1 {[%cal Rg7d4] ( -> ...Bd4+)} 44. Be6+ $2 (44. Bh3 Nxh3+ 45. gxh3 Bxc3 46. Qxc3 Rxf3 47. Qe1 Qxh3 48. Rb3 Rf1+ 49. Qxf1 exf1=N 50. Rxf1) 44... Rxe6 45. dxe6 Bd4+ {Black mates.} 46. Bf2 Qg5 {[%csl Gf4][%cal Rg5g2]} 47. g4 {[#]} Qh4 $1 {[%csl Gh4][%cal Rd4f2]} (47... Bxf2+ $2 48. Kxf2 Qh4+ 49. Ke3 $17) 48. Qxe2 Nxe2+ 49. Rxe2 Qg3+ 50. Kf1 Qxf3 {Precision: White = 25%, Black = 86%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Vidit, Santosh Gujrathi"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2718"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,53,31,33,74,76,196,182,426,306,327,256,308,300,316,310,342,340,394,386,605,577,601,593,590,581,624,400]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 Nxf6 {B45: Sicilian Four Knights} 13. Be3 Qd8 14. Nd6+ Bxd6 15. Qxd6 {LiveBook: 25 Games} Qe7 (15... Bb7 16. Rd1 Rc8 17. g4 c5 18. Rg1 Rf8 19. f5 Qb6 20. fxe6 dxe6 {1-0 (40) Karjakin,S (2762)-Yu,Y (2721) Baku 2015}) 16. Bc5 {[%csl Gc5][%cal Rd6e7] [#]} Qf7 $146 (16... Qxd6 $16 {was called for.} 17. Bxd6 Bb7) ({Predecessor:} 16... Qxd6 17. Bxd6 Kf7 18. Kf3 Ne8 19. Ba3 d5 20. Bd3 {1-0 (35) Ahmed,A (2346)-Ayyad,M (2123) Muscat 2015}) 17. Ke3 {[%cal Be2e3,Be3d2,Bd2c2][%mdl 32]} g5 $2 (17... Ng8 {was necessary.} 18. Bd3 Nh6) 18. Be2 g4 19. Rac1 h5 20. Rc3 Qg7 21. Bd3 Kf7 22. Kd2 ({Less strong is} 22. Qe7+ Kg8 $18) 22... Re8 23. Re1 {[%cal Bh1e1,Be1e5,Be5f5][%mdl 32]} Qh6 (23... Qf8 $142 24. Qxf8+ Rxf8 25. Bxf8 Kxf8) 24. Kc2 {White is clearly winning.} a5 25. Re5 Nh7 26. Rf5+ Kg8 27. Qe5 {Precision: White = 79%, Black =  4%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Bluebaum, Matthias"]
[Black "Girya, Olga"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2640"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,124,8,8,8,8,20,17,14,17,18,16,14,20,17,0,0,0,21,6,6,6,9,9,3,8,20,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,-10,-10,-14,-15,-16,-48,-33,-51,-58,-78,-78,-79,-78,-78,-78,-178,-186,-185,-178,-171,-171,-189,-171,-122,-122,-353,-141,-344,-189,-322,-162,-214,-168,-407,-401,-401,-400,-399,-392,-337,0,-392,-392,-801,-771,-1604,-1356,-1758,-1425,-1787,-1694,-2024,-1991,-2139,-1535,-2471,-2208,-29986,-29987,-29987,-29988]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nd7 5. h3 Bxf3 6. Bxf3 {A07: Barcza-System (Königsfianchetto mit möglichen Übergängen in andere Systeme)} e5 7. d3 Ngf6 8. e4 Bc5 9. Nc3 dxe4 10. Nxe4 {LiveBook: 4 Partien} Nxe4 11. dxe4 O-O 12. Qe2 a5 $146 ({Vorgänger:} 12... Qe7) 13. a4 Qe7 14. Kg2 Rfd8 15. Bd2 Nf8 16. Rfd1 Ne6 17. c3 Rd6 18. Bg4 Rad8 19. Be1 g6 20. h4 h5 21. Bf3 Ba7 22. Qc2 Nc5 23. Be2 Qe6 24. Rxd6 Rxd6 25. Ra3 Qd7 26. b4 Nd3 27. Bxd3 $1 Rxd3 28. bxa5 c5 29. Qe2 c4 30. Ra2 Kg7 31. Rd2 Rxd2 32. Qxd2 Qc6 $36 {[%mdl 2048] Weiss steht unter Druck.} 33. Qc2 Bb8 34. f3 Bc7 35. Qb2 Bxa5 36. Qa3 Bb6 37. Qe7 Qc5 38. Qxc5 Bxc5 $17 {[%mdl 4096] Endspiel KL-KL} 39. Bf2 Ba3 40. f4 (40. Bb6 $17 {war angesagt.}) 40... Kf6 41. Kf3 Ke6 42. Be3 Be7 43. Bf2 Bd8 44. Be1 Bc7 45. Bf2 $2 {[#]} (45. Bd2 $17) 45... Kd7 $2 (45... f5 $1 $19 46. exf5+ gxf5) 46. Be3 $2 (46. f5 $17) 46... Kc6 (46... f5 $142 47. Bc1 Ke6) 47. Ke2 (47. g4 {war erzwungen.}) 47... b6 (47... f5 $142 48. exf5 gxf5) 48. Kd2 (48. f5 {einziger Zug.}) 48... Kb7 49. fxe5 $2 {[#]} (49. f5 {ist eine bessere Verteidigung.}) 49... Bxe5 $19 50. Bf4 Bg7 51. Bd6 Kc6 52. Bf4 Kb7 53. Bd6 $1 Ka6 54. e5 $2 (54. Kc2 Ka5 55. Bf4) 54... Ka5 55. Ke3 Kxa4 56. Kd4 Kb3 57. Bc7 b5 58. Ba5 Bh6 59. Kc5 Bd2 60. Kd6 Bxc3 61. Bxc3 Kxc3 62. Ke7 Kd4 {Precision: Weiß = 41%, Schwarz = 64%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "L'Ami, Erwin"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2634"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,60,68,71,71,74,63,66,65,74,16,14,10,10,14,56,0,64,0,0,0,37,0,32,0,0,-20,-31,-21,4,0,0,0,16,16,16,0,0,0,44]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E73: King's Indian: Averbakh Variation without 6...c5} Nc5 9. f3 h5 10. g5 Nh7 11. h4 f6 12. gxf6 Bxf6 {[#] LiveBook: 5 Games} 13. Bf2 $1 Be7 14. Kd2 Rf4 {[%cal Re7h4]} 15. Qe1 $1 a5 $146 ({Predecessor:} 15... Bd7) 16. Nh3 (16. Kc2 $16) 16... Rxh4 $11 17. Bxh4 Bxh4 18. Qg1 Qf6 19. Kc2 $1 Kg7 (19... Ng5 $1 $11 20. Nxg5 Bxg5) 20. Nf2 (20. Qh2 $14) 20... Bd7 21. Nd3 b6 22. Qh2 Bg5 23. Rag1 Nxd3 24. Bxd3 Rf8 25. Be2 Qf4 {The position is equal.} 26. Qg2 Qf6 27. a3 Kh6 28. Qf2 Qf4 29. Qg2 Qf6 30. Qf2 Qf4 {Precision: White = 44%, Black = 67%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Xiong, Jeffery"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2634"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,20,29,11,14,10,18,13,29,41,30,42,41,42,21,27,37,27,33,30,39,2,0,3,0,0,3,0,0,0,0,-27,-25,-27,-27,-45,-7,-24,-19,-12,7,7,12,11,6,0,0,0,0,-2,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bf4 (5. g3 Nbd7 6. Bg2 b6 7. O-O Be7 8. Bf4 O-O 9. Nc3 Nh5 10. Be3 Bb7 11. Rfd1 Bd6 12. Rac1 Qe7 13. cxd5 exd5 14. Bg5 f6 15. Bd2 f5 16. Bg5 Qe6 17. e3 {½-½ (78) Van Wely,L (2661)-Korobov,A (2652) Sanem 2017}) 5... dxc4 6. Qxc4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} b5 {LiveBook: 16 Games} 7. Qb3 Nbd7 8. e3 a6 9. a4 $146 {[%cal Ra4b5]} ({Predecessor:} 9. Be2 c5 10. O-O Be7 11. a4 cxd4 12. Nxd4 Bb7 13. axb5 axb5 {½-½ (41) Simal Moreira,L (2194)-Zolendowski,C (2240) LSS email 2011}) 9... Qa5+ 10. Nbd2 c5 11. Qd1 bxa4 12. Rxa4 {[%cal Ba1a4,Ba4d4,Bd4d3][%mdl 32]} Qd8 13. Be2 Bb7 14. O-O cxd4 15. Rxd4 {Threatens to win with Nc4.} ({But not} 15. Nxd4 e5 $17) 15... Bc5 16. Rd3 {next Ne5 is good for White.} Qe7 17. Ne5 Nxe5 18. Bxe5 {[#] Black must now prevent Qa4+.} O-O 19. Nb3 {Strongly threatening Bxf6.} Bb4 20. Bf3 Nd5 21. Nd4 Qg5 22. Bg3 a5 23. h4 Qh6 24. Nb5 Ba6 25. Bxd5 {The position is equal.} Bxb5 26. Bxa8 {[#] aiming for Bf3.} Bxd3 27. Qxd3 Rxa8 28. Rd1 Qf6 29. b3 h5 30. Qc4 Rd8 31. Rxd8+ {Precision: White = 71%, Black = 87%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Gordievsky, Dmitry"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2622"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,-3,-12,0,0,0,0,0,-3,0,-20,-10,-18,-19,-10,17,-31,-30,-31,-16,-33,-38,-40,-37,-49,-35,-43,-35,-52,-65,-55,-50,-56,-25,-27,-32,-29,-6,-15,0,0,0,-5,0,0,0,-2,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4d6][%mdl 32]} g6 4. g3 Bg7 5. Bg2 e6 6. d4 Nxd4 7. Nxd4 cxd4 8. Ne4 d5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (8... Ne7 9. Nd6+ Kf8 10. Qb3 Nc6 11. O-O Qb6 12. Qf3 f5 13. Bf4 Qc5 14. b4 Qxb4 15. Rab1 Qc3 16. e3 {½-½ (69) Vakhidov,J (2518)-Hossain,E (2432) Ashkhabad 2017}) 9. Qa4+ Kf8 10. Qa3+ $146 ({Predecessor:} 10. cxd5 exd5 11. Nc5 Bf6 12. Bf4 Kg7 13. Rc1 Ne7 14. O-O Bf5 15. Nxb7 Qb6 16. Nc5 Qxb2 17. Bf3 g5 18. g4 Bg6 19. Bd6 Rhd8 20. Bc7 Rdc8 21. Bd6 Rd8 {½-½ (21) Loeschnauer,R (2403)-Schmuckermair,E (2371) ICCF email 2006}) 10... Qe7 11. Nd6 Be5 12. Nxc8 (12. Bf4 {keeps more tension.} Bxf4 13. gxf4 Nh6 14. cxd5 exd5 15. Rd1) 12... Qxa3 13. bxa3 Rxc8 14. cxd5 exd5 15. Rb1 b6 16. Bxd5 Nf6 17. Bf3 Kg7 18. Kd2 Nd7 19. Bb2 Nc5 20. Rhc1 Bf6 21. Ba1 Rhd8 22. Rb4 Rd6 23. Bg2 d3 {[#] Threatens to win with ...Nb3+!} (23... g5 {looks sharper.} 24. a4 a5 25. Rbc4 Re8 26. h3 h5) 24. e3 $1 Bxa1 25. Rxa1 f5 {...Ne4+! is the strong threat.} 26. Rc1 {The position is equal.} Re8 27. Rf4 Re7 28. h4 Ne6 29. Rb4 Nc5 30. Rf4 Ne6 31. Rb4 Nc5 {Precision: White = 68%, Black = 52%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Bok, Benjamin"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2607"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,60,9,17,17,4,12,25,14,15,27,17,10,4,0,0,0,0,0,15,-6,44,0,0,0,0,0,0,0,13,0,0,0,0,0,0,0,0,-6,-10]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bxf3 9. Qxf3 e6 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 10. d3 Be7 11. Nd2 O-O 12. Qe2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] LiveBook: 5 Games} 13. g3 $146 ({Predecessor:} 13. a3 Nd7 14. f4 d5 15. e5 Bh4 16. Rd1 f6 17. exf6 Qxf6 {1-0 (38) Robson,R (2613)-Guseinov,G (2607) Antalya 2013}) 13... Rb8 14. Bg2 Qc7 15. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} a5 16. a4 b4 17. Nc4 Nd7 18. Be3 Nce5 19. Nxe5 dxe5 20. Rec1 Qd6 21. cxb4 cxb4 22. Rc2 Rfc8 {The position is equal.} 23. Rac1 Rxc2 24. Qxc2 Bd8 25. b3 Kf8 26. Qc6 Qxc6 27. Rxc6 Bb6 28. Bf3 Ke7 29. Bd1 Kd8 30. Kf1 Bxe3 {Precision: White = 56%, Black = 73%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.14"]
[Round "2"]
[White "Van Foreest, Lucas"]
[Black "Tari, Aryan"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2481"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,169,5,12,6,7,0,12,0,0,0,21,0,0,0,18,9,16,1,2,4,11,10,6,0,0,0,34,30,37,36,37,33,41,41,44,27,28,28,28,28,28,20,39,6,12,0,0,0,2,0,0,0,0,7,77,84,84,60,94,39,66,54,193,118,118,77,77,66,66,59,226,105,206,207,193,162,193,167,189,179,397,397,397,393,385,347,408,408,383,263,368,351,266,236,810,801,768,772,760,750,747,746,673,620,772,772,437,825,832,814,652,772,505,100,485,452,1027,827,817,817,817,736,762,770,934,989,976,798,756,740,12850,12850,12831,12839,12841,12825,10912,1072,1009,806,9487,8015,7606,7394,8015,7674,6102,6005,5617,5617,1563,1175]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 g6 7. Nf3 {B13: Caro-Kann (Abtausch-Variante 4.c4)} Bf5 8. O-O Nf6 9. Re1 Bxd3 10. Qxd3 Bg7 {LiveBook: 14 Partien} 11. Be3 (11. Na3 O-O 12. Nc2 e6 13. Ne3 Rab8 14. a4 Na5 15. Ra3 Rfc8 {0-1 (67) Artemiev,V (2653)-Riazantsev,A (2671) Doha 2016}) 11... O-O 12. Nbd2 Nd7 13. Bg5 Rfe8 $146 ({Vorgänger:} 13... e6 14. a4 Rfc8 15. g3 Na5 {0-1 (69) Gupta,A (1840)-Hill,A (2097) London 2013}) 14. Bh4 Qb6 15. Rab1 a5 16. Nf1 Qa6 17. Qd2 Nf6 18. Bxf6 exf6 19. Rxe8+ Rxe8 20. Re1 Re6 21. Qf4 Rxe1 22. Nxe1 Qe2 (22... Qc4 {seems wilder.} 23. a3 Qb5 24. Qd2 a4 25. Ne3 Bh6) 23. Qd2 Qxd2 24. Nxd2 $11 {[%mdl 4096] Endspiel KLS-KSS} Bh6 25. Nb3 b5 26. Nc2 Kf8 27. a4 bxa4 28. Nc5 Ke7 29. Nxa4 Kd6 30. Kf1 Nd8 31. b3 Ne6 32. c4 f5 {Und weiter mit ...dxc4 wäre nett.} 33. Nc3 Bg7 {Droht stark ...dxc4.} 34. c5+ Kc6 35. Ne2 Bh6 36. Ke1 Nf4 (36... Kb7 $11) 37. Nxf4 $16 Bxf4 {KL-KS} 38. Kd1 h5 39. b4 (39. Ke2 $16) 39... Kb5 40. bxa5 {Und Sb4! würde nun gewinnen.} Kxa5 ({Lieber} 40... Bc7 $1 $14) 41. Ke2 (41. Ne3 $18) 41... Kb5 42. Kd3 $1 Bc7 43. Ne3 Kc6 44. Nd1 h4 $2 (44... Ba5 $14) 45. Nc3 (45. Nb2 $18 {und Weiss behält klar die Oberhand.}) 45... Ba5 (45... Bh2 $16) 46. Kc2 $1 $18 Bd8 47. Ne2 g5 48. Nc1 Kb5 49. Nd3 f6 $2 (49... Bc7) 50. Kb3 Ba5 51. Nb2 Be1 52. Nd1 $1 f4 53. f3 $1 Bd2 54. Nc3+ Kc6 55. Kc2 Be1 56. Kd3 f5 $2 (56... Bf2 57. Na4 Be1) 57. Na4 $1 Ba5 58. Kc2 Kb5 59. Kb3 Be1 60. Nb6 Bf2 61. Kc3 Be1+ 62. Kd3 Kc6 63. Nc8 Kd7 64. Nd6 Ke6 65. Ne8 Ba5 66. Kc2 Ke7 $2 {[%mdl 8192]} (66... Kd7 $16 67. Ng7 Bd8) 67. Nd6 {Weiß steht klar auf Gewinn.} Ke6 (67... Kd7 $142 68. Nxf5 Bd8) 68. Kb3 Be1 69. Ne8 $1 {[%cal Re8c7]} Kd7 {[#]} 70. Ng7 $1 Ba5 71. Ka4 Bc3 72. Nxf5 Kc6 73. Kb3 Ba1 74. Ne7+ Kb5 {[#]} 75. c6 $1 {[%cal Rc6c7] Droht Matt per c7.} Kb6 76. Nxd5+ Kxc6 77. Nb4+ Kd6 78. Kc4 (78. Nc2 $142 Kd5 79. Nxa1 Kxd4 80. Nc2+ Kd3 81. Kb2) 78... Ke6 79. Nd3 Kf5 80. Kc5 Bc3 81. d5 Bf6 82. Kc6 Kg6 83. Kd7 Kf7 84. Nc5 Bd4 85. Ne4 {Precision: Weiß = 71%, Schwarz = 38%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Amin, Bassem"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2693"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,118,30,8,0,0,0,-9,-8,-7,-5,-7,-4,-13,-9,-12,-10,-12,-15,-8,0,0,0,31,152,12,4,-14,-15,-62,-64,-84,-72,-70,-31,-31,-14,-128,-54,-119,-63,-139,-93,-205,-147,-154,-149,-177,-141,-143,-127,-127,-123,-120,-38,-38,-45,-79,-47,-47,-58,-117,-117,-117,-117,-239,-239,-319,-319,-319,-319,-319,-319,-319,-319,-319,-319,-4133,-4133,-4133,-4133,-4133,-4133,-4133,-4133,-4129,-4129,-29964,-29965,-29962,-4849,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29990,-29990,-29989,-29989,-29990]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sizilianisch (Rossolimo-Variante)} e6 7. c3 b5 8. Bc2 c4 9. a4 Bb7 10. axb5 {LiveBook: 17 Partien} axb5 11. Rxa8 Qxa8 12. Na3 Bxe4 13. Bxe4 Nxe4 {[#]} 14. d3 $146 cxd3 15. Qxd3 d5 16. Nxb5 Qb7 17. b4 Be7 18. Bg5 f6 19. Bf4 {Und weiter mit Ta1 wäre nett.} O-O 20. Nfd4 g5 (20... Ne5 $14 21. Qh3 Kh8) 21. Nxe6 (21. Bc7 $16) 21... gxf4 $11 22. Nxf8 Ne5 $1 $36 {[%cal Re5d3][%mdl 2048] Schwarz hat Druck.} 23. Qh3 Ng5 ({Bitte nicht} 23... Bxf8 $6 24. Qe6+ Kh8 25. Nd4 $14) 24. Qh5 {Schwarz muss nun h4 beachten.} Qxb5 25. h4 Ngf3+ (25... Nh3+ $5 26. gxh3 Bxf8 27. Rxe5 fxe5 28. Qxe5 Qc6 $17) 26. gxf3 Bxf8 27. Kh2 {[#]} (27. Rxe5 $11 fxe5 28. Qxe5) 27... Qd7 (27... Qc6 $1 $17 {Und ...d4 würde nun gewinnen.} 28. Rxe5 fxe5 29. Qxe5 Qd6 30. Qg5+ Kh8) 28. Rd1 ({Günstiger ist} 28. Rg1+ $15 Kh8 29. Rd1) 28... Qc6 (28... Be7 $17 29. Rg1+ Kh8) 29. Kg2 (29. Qf5 $15) 29... Qxc3 30. b5 (30. Rxd5 $17 Qxb4 31. Qf5) 30... Qb3 31. Rd4 Qxb5 32. Rxf4 Qc6 33. Qf5 Be7 34. h5 Qd7 {[#]} 35. Rg4+ $1 {[%mdl 512]} Kh8 ({Lieber} 35... Kf8 $17 36. Qxd7 Nxd7) (35... Nxg4 36. Qxd7) 36. Qxd7 $15 Nxd7 37. Ra4 {Droht Ta7 und aus.} Bf8 38. Ra7 Nc5 39. Rf7 (39. f4 $15) 39... Kg8 $17 40. Rxf6 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 41. f4 (41. Kf1 $17) 41... d3 $19 {zielt auf ...d2 ab.} 42. Kf1 Na4 43. Ra6 Nb2 44. Ra1 Kf7 (44... d2 45. Ke2 $19) 45. Rb1 Bg7 ({Finger weg von} 45... d2 46. Ke2 $19) 46. f5 Ke7 ({Viel schwächer ist} 46... d2 47. Ke2 $19) 47. f3 $2 (47. f4) 47... Kd6 48. Kf2 Bd4+ 49. Ke1 Bc3+ 50. Kf2 Kd5 51. Ke3 Kc4 52. f4 d2 53. Ke2 Kb3 54. Rxb2+ Kxb2 {KL-K3B. Schwarz setzt Matt.} 55. Kd1 Bb4 56. f6 Kc3 57. f7 Bf8 58. f5 h6 59. f6 Bd6 {Precision: Weiß = 37%, Schwarz = 60%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Krasenkow, Michal"]
[Black "Van Foreest, Lucas"]
[Result "1/2-1/2"]
[ECO "E50"]
[WhiteElo "2671"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,108,0,0,27,13,26,18,18,15,10,-21,-17,-16,0,0,0,-2,0,-154,-164,-130,-131,-160,-99,-87,-55,-69,-77,-66,-12,-31,-8,-8,79,76,83,-8,-8,-8,0,0,0,0,0,0,0,0,5,0,0,0,0,-8,-8,-8,0,-8,0,0,0,0,0,-70,-70,-70,-8,-31,-30,-43,-44,-44,-44,-156,-156,-156,-8,-20,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Re1 Nbd7 12. Rc1 Rc8 13. Qb3 Bxc3 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4} 14. Rxc3 {LiveBook: 51 Games} Re8 (14... h6 15. Bh4 Bd5 16. Bxd5 Rxc3 17. Qxc3 Nxd5 18. Bxd8 Nxc3 19. Bxb6 Nxa2 20. Bxa7 Ra8 21. Bc5 Nxc5 22. dxc5 Rc8 23. Re5 Nb4 24. Ne1 Na6 25. Nd3 Rd8 26. Ne1 Rc8 27. Nd3 Rd8 28. Ne1 {½-½ (28) Lysyj,I (2643)-Oparin,G (2604) Sochi 2017}) 15. Ne5 h6 $146 ({Predecessor:} 15... Nxe5 16. dxe5 Qd4 17. exf6 Qg4 18. Rg3 Qxc4 19. Bd2 g6 20. Qe3 Qh4 21. Bc3 {0-1 (48) Semmelroth,H-Fuhrwerk,K Germany 1996}) 16. Nxf7 Kxf7 17. Bxe6+ Kf8 $1 18. Bf4 (18. Bxf6 $5 Qxf6 19. Rce3 (19. Qa3+ Nc5 $15) 19... Rxe6 20. Qxe6 (20. Rxe6 Qg5 $14) 20... Qxe6 21. Rxe6 $11) 18... g5 $1 {[%cal Rg5f4]} 19. Bd6+ $1 ({Of course not} 19. Rxc8 Bxc8 20. Be3 Kg7 $17) 19... Kg7 20. Rce3 $1 Rc6 21. Bb4 Rc7 {Strongly threatening ...Nf8.} 22. Bc3 $2 (22. Bd6 $1 $11) 22... Nf8 $17 23. d5 Nxe6 24. Rxe6 Rxe6 (24... Bxd5 $142 25. Rxe8 (25. Bxf6+ $2 Qxf6 26. Qg3 Bxe6 $19) 25... Qxe8) 25. dxe6 Qd5 26. Qxd5 Bxd5 27. e7 Bf7 (27... Rxc3 $1 $15 28. bxc3 Kf7) 28. f4 $1 $11 Rc8 29. Rd1 Bxa2 (29... Be8 $11) 30. fxg5 $16 hxg5 {[#]} 31. Rd8 (31. Be5 $1 $16) 31... Rxc3 $1 $11 32. bxc3 Bf7 33. Ra8 a5 34. c4 Be8 35. Rb8 a4 36. Rxb6 Ne4 37. Ra6 Kf7 38. Ra7 Ke6 39. g3 g4 40. Kg2 Nd6 41. c5 Bc6+ 42. Kf2 Ne8 43. Ke3 Kd5 44. Kd2 (44. Ra5 $11) 44... Kxc5 $15 45. Ra5+ $1 Kd6 (45... Bb5 $1 $15 46. Ra7 Kd6) 46. Rh5 Bd7 47. h3 gxh3 48. Rh4 $1 Nf6 {[#]} (48... Kxe7 $2 49. g4 $19) 49. e8=Q $1 {[%mdl 512]} Nxe8 $17 (49... Bxe8 50. Rxh3) 50. g4 {[#]} Nc7 (50... Kc5 $1 $17 {White must now prevent ...Nf6.} 51. Rxh3 Bxg4) 51. Rxh3 $11 {The position is equal.} Nb5 52. Rh5 Nd4 53. Kc3 Nc6 54. Rh6+ Ke5 {Precision: White = 58%, Black = 43%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Korobov, Anton"]
[Black "Bok, Benjamin"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2652"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,117,-4,-10,0,-10,-21,20,22,26,4,11,11,12,4,4,4,0,0,13,6,15,18,21,18,16,26,44,44,44,44,44,32,48,48,48,48,48,47,61,45,49,33,60,47,81,25,58,58,69,60,81,81,81,69,69,0,69,62,69,62,69,52,66,66,145,145,145,145,145,145,145,137,233,212,659,655,883,883,789,322,12850,12849,12849,12843,29945,29951,29966,29967,29967,29967,29971,29972,29972,29973,29971,12504,29985,29986]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. a3 Bd6 7. Bd3 O-O 8. O-O e5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} 9. cxd5 cxd5 10. Nb5 Bb8 11. dxe5 Nxe5 {LiveBook: 4 Games} 12. Nxe5 Bxe5 13. f4 {[#]} Bc7 $146 ({Predecessor:} 13... Bb8 14. Nd4 Re8 15. Qe1 a6 16. b4 {0-1 (47) Kozul,Z (2595)-Gabriel,C (2510) Portoroz 1993}) 14. Nxc7 Qxc7 15. b4 Qb6 16. Re1 Re8 17. Qf3 Ne4 18. Bb2 Bf5 19. Rad1 Qg6 {Strongly threatening ...Bg4.} 20. Be2 Red8 21. Qh5 Rac8 22. Qxg6 hxg6 23. Rc1 Rxc1 24. Rxc1 Rc8 25. Rxc8+ Bxc8 $14 {[%mdl 4096] Endgame KBB-KBN} 26. b5 f6 27. Bd4 a6 28. bxa6 bxa6 29. g4 g5 30. h3 Kf7 31. Bd3 g6 32. Kg2 Ke6 33. Kf1 (33. fxg5 $16 fxg5 34. a4) 33... Ke7 34. Ke1 Ke6 35. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bd7 36. a5 Bc8 37. Be2 Ng3 38. Bd3 Ne4 $1 39. Bb2 Bb7 40. Ba3 Bc8 41. Bb4 f5 42. Be2 Bb7 ({Better is} 42... Ng3 $1 $14) 43. fxg5 $16 Nxg5 {[#]} 44. h4 $1 {[%cal Rh4g5]} Ne4 {[#]} 45. g5 $1 Ke5 46. Be7 d4 (46... Ng3 $16 {might work better.}) 47. exd4+ $18 Kxd4 $2 (47... Ke6) 48. h5 Nxg5 49. Bxg5 {Intending h6 and mate.} gxh5 50. Kf2 Kc5 $2 (50... h4 51. Bxh4 Ke5) 51. Bxh5 Bd5 52. Bd2 Kc6 53. Ke3 Kb7 54. Kd4 Be4 55. Kc5 f4 56. Bxf4 Bg2 57. Kd6 Be4 58. Bg4 Bc6 {[#]} 59. Bc8+ $1 {[%mdl 512] Precision: White = 69%, Black = 27%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Van Foreest, Jorden"]
[Black "Bluebaum, Matthias"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2629"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,26,22,36,33,37,0,27,0,4,14,16,12,0,18,16,12,37,0,0,0,18,0,0,0,22,-16,-18,-19,-16,-9,-6,-122,-110,-119,-104,-114,-18,-6,-9,-100,-6,-6,-6,-6,-6,-7,-8,-404,-374,-524,-468,-515,-509,-507,-491,-566,-538,-854,-817,-893,-868,-4133,-3826,-2312,-1881,-5069,-3884,-2229,-1737,-6932,-6478]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Bxf6 8. h4 O-O {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} 9. Qe2 c5 10. Qe4 cxd4 {The position is equal.} 11. Bd3 {[%csl Gd3][%cal Re4h7] [#]} (11. O-O-O {is interesting.} Nc5 12. Qf4 e5 13. Bxf6 Qxf6 14. Qxe5 Qxe5 15. Nxe5 Rd8 16. Bc4) 11... g6 12. O-O-O e5 13. Rhe1 Re8 14. Qd5 Re6 15. Bc4 Qc7 16. Bb3 {[%cal Rf3d4] [#]} Nc5 $146 17. Bxf6 Rxf6 18. Rxe5 Nxb3+ 19. axb3 Be6 20. Qc5 (20. Qxd4 {seems wilder.} Bxb3 21. Rc5 Rc6 22. Rc3 Rxc3 23. bxc3 Be6 24. Ng5) 20... Qxc5 21. Rxc5 Bg4 22. Rd3 Re8 23. Ne5 (23. b4 $11) 23... Be2 $17 24. Rxd4 Rxf2 {White must now prevent ...Rf5.} 25. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Rf1+ (25... h5 $17 26. gxh5 Rf5 27. hxg6 fxg6) 26. Kd2 $11 Rd1+ 27. Ke3 (27. Kc3 $11 {keeps the balance.}) 27... Rxd4 (27... b6 $17 28. Rcd5 {[#]} Bxg4 $1 {[%mdl 512]} 29. Rxd1 Bxd1 30. Rxd1 Rxe5+ 31. Kf3 Kg7) 28. Kxd4 $17 {[%mdl 4096] Endgame KRB-KRN} f6 29. Nd7 $1 {[%cal Rd7f6]} Kf7 30. g5 $1 Rd8 31. Rd5 $2 {[%mdl 8192]} (31. Ke3 $1 $11) 31... Bf3 $19 32. Nxf6 (32. Rd6 $142 Ke7 33. Rxf6 Rxd7+ 34. Ke3) 32... Bxd5 {Black is clearly winning.} 33. Nxd5 {KR-KN} Ke6 34. c4 Kf5 35. b4 Kg4 36. b5 Kxh4 37. c5 Kxg5 38. c6 bxc6 39. bxc6 h5 40. Ke4 Rc8 41. c7 Kg4 42. Ke3 Kg3 {Precision: White = 31%, Black = 61%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Tari, Aryan"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2599"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,24,14,24,16,37,20,29,0,17,0,9,8,39,0,0,0,0,-11,-11,-19,-19,-21,-18,-14,-15,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-34,0,-8,-8,-8,-8,-8,-8,-8,-8,-411,-411,-411,-411,-411,-8,-8,-8,-411,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 Be6 7. Qa4+ Bd7 8. Qb3 c5 9. d5 b5 10. e4 b4 11. e5 bxc3 12. exf6 Bxf6 13. bxc3 O-O 14. Bh6 Re8 {0-1 (32) Volkov,S (2645)-Svidler,P (2765) St Petersburg 2017}) 5... O-O 6. cxd5 {D90: Grünfeldindisch (Flohr-Variante)} Nxd5 7. h5 c5 8. hxg6 hxg6 9. Bh6 Bxh6 10. Rxh6 {LiveBook: 5 Partien. Und Dc1 würde nun gewinnen.} Nxc3 11. bxc3 cxd4 12. Qd2 Kg7 $1 {Schwarz will ...dxc3 spielen.} 13. Rh4 $146 ({Aber nicht} 13. Nxd4 $2 e5 $17) 13... Rh8 14. Rxh8 ({Viel schwächer wäre} 14. Rxd4 Qc7 $17) 14... Qxh8 15. cxd4 Nc6 16. d5 Kg8 17. Rc1 Ne5 18. Qc3 Nxf3+ 19. gxf3 Qh1 20. e4 Bd7 21. Kd2 Rc8 22. Be2 Qxc1+ (22... Qh2 {with more complications.} 23. Qd4 Rxc1 24. Kxc1 Qf4+ 25. Kb1 b6) 23. Qxc1 Rxc1 24. Kxc1 $11 {[%mdl 4096] Endspiel KL-KL} g5 25. Kd2 e5 26. dxe6 fxe6 27. e5 Bc6 28. Ke3 a5 29. f4 gxf4+ 30. Kxf4 b5 {[%cal Bb7b5,Bb5b4,Bb4a3][%mdl 32]} 31. Ke3 b4 32. Kd2 a4 33. a3 bxa3 {[#] Weiss muss nun ...a2 beachten.} 34. Kc1 Be4 (34... Bd5 35. Bb5) 35. Bb5 Kf7 {zielt auf ...Kg6 ab.} 36. Bxa4 Kg6 {Droht stark ...Kg5.} 37. Bd7 $2 {[%mdl 8192]} (37. f4 $1 $11 {und Weiss ist OK.}) 37... Kf5 $19 38. f4 Bd3 39. Bc8 Kxf4 $2 ({Lieber} 39... Bc4 $19 40. Kb1 Bd5) 40. Bxe6 $11 Kxe5 {[#]} 41. Bc4 $1 {[%mdl 8704]} Be4 $2 (41... Bxc4 $19 42. Kb1 Bg8) 42. Bg8 Kd4 {Droht ...Kc3 und aus.} 43. Kd2 {Precision: Weiß = 48%, Schwarz = 46%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Harika, Dronavalli"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2497"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,68,85,68,115,47,49,43,50,51,48,47,143,130,124,93,97,65,75,65,59,43,178,160,186,167,184,170,179,163,175,173,175,160,175,160,166,137,191,197,191,193,208,195,270,241,233,196,218,164,237,229,200,0,196,201,264,147,240,0,266,167,168,161,173,143,148,135,143,127,139,130,137,87,127,131]} 1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. c4 d5 (4... d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 d5 11. Be2 Nc6 12. O-O Bg4 13. c5 Nc8 14. b4 a6 15. Ne5 Bxe2 16. Nxc6 bxc6 17. Nxe2 e6 {½-½ (61) Lu,S (2619)-Zhou,J (2612) Xinghua 2016}) 5. c5 N6d7 6. Nc3 {B03: Alekhine's Defence: Four Pawns Attack} Nc6 $146 ({Predecessor:} 6... e6 7. Bd3 Be7 8. Nge2 b6 9. b4 a5 10. cxb6 axb4 11. bxc7 Qxc7 {½-½ (39) Munoz,C (2091)-Mazariegos,S (2128) Mallorca 2004}) 7. e6 (7. Nf3 $16) 7... fxe6 $14 8. f4 {White is slightly better.} g6 9. Nf3 Bg7 10. Bb5 Ndb8 {[#]} (10... Nf6 $14) 11. h4 $1 $16 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} b6 12. cxb6 axb6 13. h5 Ba6 14. Qe2 {[%mdl 1024] Hoping for hxg6. White has strong compensation.} Kd7 15. Bd2 $36 {[%mdl 2048] White has some pressure.} Qg8 {[#]} ({Black should play} 15... Kc8 $14) 16. h6 $1 $18 {[%cal Rh6g7]} Bf6 17. g4 Kc8 18. Be3 Qf7 19. g5 Kb7 20. gxf6 exf6 21. a3 Ne7 22. O-O-O Nf5 23. Bf2 Nd6 (23... Bxb5 $16 24. Qxb5 Nd6) 24. Bxa6+ Rxa6 25. Kb1 Nc6 26. Rc1 Na7 (26... Na5 $142 27. Nd2 Raa8) 27. Nd2 Re8 28. Rh3 Qd7 29. Qf1 Ra5 (29... Nac8 $142 30. Na2 Ra7) 30. Nb3 Ra6 31. Nd2 Ra5 $1 32. Bh4 Rf8 33. Be1 ({White should try} 33. Nb3 $18 Ra6 34. Re1) 33... Ra8 (33... Nc6 $16 {is a better defense.}) 34. Bh4 Rf8 35. Qg2 Nc6 {[%cal Ba7c6,Bc6e7,Be7f5][%mdl 32]} 36. Bf2 Rfa8 37. Rd3 Ne7 38. Qf3 Nef5 39. Qh1 Kc8 40. Rh3 Kd8 41. Na2 Nb5 42. Rd3 {Precision: White = 53%, Black = 34%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.15"]
[Round "3"]
[White "Girya, Olga"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2489"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,160,36,38,33,28,34,32,24,32,31,37,35,44,1,7,-104,-51,-52,-47,-50,-38,-44,-60,-72,-61,-195,-202,-189,-173,-179,-85,-75,-89,-82,-82,-83,-87,-86,-91,-99,0,-54,-61,-52,-52,-93,-39,-43,0,-90,-47,-85,-47,-48,-14,-14,-15,-13,-14,-40,-41,-94,-59,-41,-51,-58,-58,-94,-94,-97,-89,-98,-98,-124,-98,-97,-91,-109,-100,-178,-178,-178,-178,-168,-126,-114,-115,-254,-245,-254,-243,-254,-254,-259,-182,-259,-254,-254,-254,-254,-262,-302,-302,-302,-297,-304,-278,-278,-123,-143,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,0,-11,0,-11,-11,-11,-11,-11,0,-11,-8,-8,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 Nc6 8. Bb2 cxd4 9. Nxd4 Bd7 {D27: Angenommenes Damengambit (Hauptvariante 7.e4, 7.a4)} 10. Nf3 Be7 11. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4b6][%mdl 32]} O-O {LiveBook: 3 Partien. Weiß steht etwas besser.} 12. Rc1 Rc8 13. Qe2 {[#]} Qc7 $146 ({Vorgänger:} 13... Nb4 14. a3 b5 15. axb4 bxc4 16. Nxc4 Bxb4 {½-½ (58) Giri,A (2771)-Caruana,F (2823) London 2016}) 14. Bd3 Qb8 15. Nc4 Rfd8 16. Nb6 Rc7 17. Ng5 {Mit der Idee Lxf6.} Be8 18. f4 (18. Rfd1 $11 {hält das Gleichgewicht.}) 18... h6 (18... Qa7 $1 $17 {[%cal Ra7b6]} 19. Nc4 h6) 19. Ne4 $15 Nxe4 20. Bxe4 Qa7 21. Nc4 (21. Qg4 $2 Bf8 $19) 21... b5 22. Ne5 {[%cal Re4c6]} ({Jedoch nicht} 22. Qg4 $2 Bf8 $19) 22... Bc5 23. Bxc6 (23. Kh1 $15 Nxe5 24. Bxe5) 23... Bxe3+ $19 24. Kh1 Bxc1 ({Finger weg von} 24... Rd2 25. Qf3 $17) 25. Bxe8 Bxb2 (25... Rd2 $19 26. Qe1 Qb7 27. Bxf7+ Rxf7) 26. Bxf7+ $17 Rxf7 27. Nxf7 Qxf7 28. Qxb2 {[#]} Qxf4 $1 $19 {[%cal Rf4f1][%mdl 4608] Endspiel KDT-KDT} 29. Qe2 (29. Rxf4 Rd1+) 29... Qd6 30. h3 Rf8 (30... b4 $17) 31. Rd1 (31. Rxf8+ $1 $11 Kxf8 32. Qf3+ Ke8 33. Qa8+ Kf7 34. Qb7+ Kg8 35. Qa8+ Kf7 36. Qb7+ Kg8 37. Qa8+ Kf7) 31... Qc6 $15 32. Re1 Rf6 33. Rd1 Kh7 (33... b4 $17) 34. Qd3+ Kg8 (34... Rf5 {keeps more tension.} 35. a3 a5 36. Re1 h5 37. Rd1 a4) 35. Qe2 $1 Rg6 36. Rd2 Qc1+ 37. Rd1 Qf4 38. Rf1 Qg5 39. Qe4 Kh7 40. Rd1 Qf5 $36 {[%mdl 2048] Schwarz hat gut koordiniertes Spiel.} 41. Qe3 (41. Re1 $15) 41... Qc2 {[%csl Gg6][%cal Rc2g2]} 42. Rd2 Qc1+ 43. Kh2 {[#]} e5 $1 {[%mdl 512]} 44. Re2 (44. Qxe5 Qxd2) 44... Qxe3 45. Rxe3 $17 {KT-KT} Re6 46. Kg3 Kg6 47. Kf3 Kf5 48. Rc3 Rd6 49. g4+ Kg5 $1 50. Ke4 (50. Kg3 $17 {war nötig.}) 50... Rd2 $19 51. a4 bxa4 $1 52. bxa4 Re2+ 53. Kf3 Ra2 54. Kg3 (54. Rc7 $17 {kämpft weiter.}) 54... Rxa4 55. h4+ Kf6 56. Rc6+ Kf7 57. Rc7+ Kg8 58. Rc8+ {[#]} (58. Kf3 $142) 58... Kh7 $1 59. Re8 e4 60. h5 a5 61. g5 hxg5 62. Kg4 Rb4 63. Kxg5 Rb5+ 64. Kg4 a4 (64... Rb1 $19 {und Schwarz behält klar die Oberhand.} 65. Ra8 Rb5) 65. Ra8 $17 e3 ({Lieber} 65... Rb4 $17 66. Ra6 e3+ 67. Kf3 {[#]} Re4 $1 {[%mdl 512]}) 66. Rxa4 $11 {Die Stellung ist ausgeglichen.} e2 67. Ra1 $1 {[#]} Ra5 $1 {[%mdl 512]} 68. Re1 (68. Rh1 {is more complex.} Ra2 69. Kf3 Rb2 70. Ra1 Kh6 71. Kf2) (68. Rxa5 e1=Q) 68... Ra2 69. Kf4 Kh6 70. Kf5 Rd2 {Droht stark ...Tb2.} 71. Kg4 Rb2 {zielt auf ...Tc2 ab.} 72. Kf5 Rb5+ 73. Kf4 Rb2 74. Kf5 Rb5+ 75. Kf4 Rb4+ 76. Kf3 Rb2 77. Kg4 Ra2 {Und ...Tc2 würde nun gewinnen.} 78. Kf5 Ra4 {Droht ...Ta2 und aus.} 79. Rxe2 Kxh5 80. Rh2+ Rh4 {Precision: Weiß = 55%, Schwarz = 58%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Harika, Dronavalli"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2718"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,78,40,42,42,50,46,40,41,40,43,45,58,49,54,31,40,37,52,33,56,61,71,61,86,80,84,85,96,100,117,110,127,118,112,119,148,141,145,147,193,150,411,425,425,420,399,377,466,428,461,450,568,566,569,565,608,762,777,778,777,770,769,747,29995]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 a6 6. Bd3 {[%cal Bb5d3,Bd3c2,Bc2a4][%mdl 32] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (6. Bxd7+ Bxd7 7. e5 dxe5 8. Nxe5 Rc8 9. d3 e6 10. Nc3 Be7 11. Qf3 Bc6 12. Nxc6 Rxc6 13. Bf4 O-O 14. Be5 Nd7 15. Bf4 Nf6 16. Be5 Nd7 17. Bf4 Nf6 18. Be5 {½-½ (18) Tomashevsky,E (2713)-Vitiugov,N (2722) St Petersburg 2017}) 6... b5 7. c4 b4 8. a3 bxa3 9. Rxa3 {LiveBook: 4 Games} e5 10. Nc3 Be7 11. Bc2 O-O 12. d3 Nb8 13. Ba4 $146 Bd7 14. Bg5 Ra7 {[%cal Ba8a7,Ba7b7,Bb7b4][%mdl 32]} 15. Bxf6 Bxf6 16. Nd5 Be6 17. Qb3 (17. Qd2 {is more complex.} Rb7 18. Rb1 g6 19. Qe1 Bg7 20. b4) 17... Bxd5 18. cxd5 Qc7 19. Nd2 Rb7 20. Qc3 Rb4 21. Nc4 Be7 22. Rea1 {[%cal Be1a1,Ba1a3,Ba3b3,Bb3b7][%mdl 32]} g6 23. Rb3 Rxb3 24. Bxb3 Bd8 25. Ba4 f5 26. Ra3 fxe4 27. dxe4 Qf7 28. Qc2 Bh4 $2 {[#]} (28... Qf6 $16 {keeps fighting.} 29. Rb3 Bc7) 29. g3 $18 Be7 30. Rb3 Qf6 31. Rb7 h5 32. h4 {White is clearly winning.} Kh8 33. Qe2 Kg8 34. Qe3 Rd8 35. Kg2 Qf8 36. Na5 Rc8 37. Nc6 Bf6 38. Qf3 Nxc6 39. dxc6 ({Less strong is} 39. Bxc6 Bg7 $18) 39... Bd8 {Precision: White = 86%, Black = 24%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Korobov, Anton"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2652"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,143,6,23,0,31,10,18,18,18,6,27,29,47,35,36,28,57,51,76,48,66,61,62,72,78,80,87,73,112,102,122,98,118,103,115,93,143,150,182,170,198,199,264,170,170,170,170,170,170,170,170,163,163,162,162,154,154,145,222,224,191,207,304,307,302,289,277,157,157,157,157,157,157,182,183,181,218,179,272,270,269,256,251,260,346,346,331,320,279,231,265,267,265,265,273,245,285,286,266,259,350,336,316,319,329,311,309,352,360,337,316,291,280,259,631,593,2417,2438,1767,1677,12840,12840,1950,779,12845,12845,12848,12848,12850,12849]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Qc2 Nbd7 8. O-O c6 9. a4 {E11: Bogo-Indian} (9. Bf4 b6 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}) 9... Ne4 10. Bf4 g5 11. Bc1 {The position is equal.} f5 12. b3 $146 ({Predecessor:} 12. Nc3 g4 13. Ne1 Bf6 14. e3 Qe8 15. cxd5 exd5 16. Nd3 Bg5 17. Nxe4 fxe4 {½-½ (49) Kidula,B (1943)-Ramesh,V Nairobi 2016}) 12... Bf6 13. Bb2 Bg7 14. Nbd2 a5 15. Rad1 Qe7 16. Qc1 g4 17. Ne1 {[%cal Bf3e1,Be1d3,Bd3e5][%mdl 32]} Nxd2 18. Rxd2 Rd8 19. Nd3 Nf6 20. Rc2 Ne4 21. Ba3 Qe8 22. Ne5 Nd6 23. h3 gxh3 24. Bf3 ({But not} 24. Bxh3 $6 dxc4 25. bxc4 Ne4 $11) 24... Ne4 25. Qf4 c5 26. Bxe4 dxe4 27. Bxc5 Qh5 28. Kh2 Bh6 (28... h6 {might work better.} 29. Rg1 Qg5) 29. Qh4 Qxh4 30. gxh4 Bf4+ 31. Kxh3 {Rg1+ would kill now.} Bxe5 32. dxe5 Bd7 33. Be7 Re8 34. Bf6 Kf7 35. h5 Bc6 36. Rd2 e3 (36... Rg8 $16) 37. fxe3 $18 Rg8 {[#]} 38. e4 $1 Rae8 (38... Kf8 {was worth a try.} 39. Rfd1 f4) (38... Bxe4 39. Rd7+) 39. e3 Bxe4 40. Rd7+ Kf8 41. Rf2 ({White should try} 41. Rfd1 $18) 41... h6 $16 42. Rfd2 $1 Rg1 43. Rd1 $1 {[%cal Rd1g1]} Rxd1 44. Rxd1 {[%mdl 4096] Endgame KRB-KRB} Bc6 45. Rg1 Be4 46. Kh4 Ra8 (46... Rc8 {was called for.} 47. Bg7+ Kf7) 47. Bg7+ $18 Kf7 {aiming for ...Rg8.} 48. Bxh6 Rg8 {[#]} 49. Bg5 $1 Bc2 50. Rg2 Be4 51. Rd2 {And now Rd7+ would win.} Bc6 52. Rd4 Re8 53. Bd8 Rg8 54. Bxa5 Rg1 55. b4 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Bxa4 56. b5 Rg4+ 57. Kh3 Kg7 58. Rd7+ ({Not} 58. Rxg4+ fxg4+ 59. Kh4 (59. Kxg4 Bd1+ 60. Kg5 Be2 $16) 59... Kf7 $18) 58... Kh6 59. Rxb7 Rxc4 60. b6 Rc5 61. Bd2 Rc2 {[#]} 62. Rb8 $1 {[%cal Rb8h8]} ({Less strong is} 62. Ra7 Rxd2 63. Rxa4 Rb2 $16) 62... Bc6 63. Rh8+ Kg7 64. Rd8 Kh6 $2 (64... Rb2 65. Kh4 Rxb6) 65. Kh4 {White is clearly winning.} Be4 {[#]} 66. b7 $1 Bxb7 67. e4+ $1 Kh7 68. Rd7+ Kg8 69. exf5 (69. Rxb7 $142 Rxd2 70. exf5 exf5 71. Kg5) 69... exf5 70. Rxb7 Rxd2 71. Kg5 Rh2 72. e6 {Precision: White = 81%, Black = 48%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Bluebaum, Matthias"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2640"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,83,10,13,12,11,0,35,35,33,18,30,23,23,18,16,13,41,17,21,24,41,40,50,19,31,38,37,0,16,0,0,0,0,0,0,-27,-20,-20,-8,-60,-48,-46,-6,-13,0,0,0,-2,27,24,93,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. dxc3 {A34: Symmetrical English: 2 Nc3, lines with ...d5} Qc7 7. e4 Nc6 {LiveBook: 3 Games} 8. Qd2 $146 ({Predecessor:} 8. Be3 e6 9. Be2 Bd6 10. O-O O-O 11. Qc2 b6 12. h3 Bb7 13. Rad1 {0-1 (28) Wojtaszek,R (2736)-Tari,A (2593) Katowice 2017}) 8... e6 9. Qg5 h6 (9... f6 {seems wilder.} 10. Qh5+ Qf7 11. Qxf7+ Kxf7 12. Be3 b6) 10. Qg3 Qxg3 $1 11. hxg3 Bd6 12. Be3 b6 13. g4 O-O 14. O-O-O Rd8 15. Nd2 Bb7 16. f4 Kf8 17. Be2 Rac8 18. Kb1 Bb8 19. Rh5 Ne7 20. Kc1 f5 $1 21. Bc4 fxe4 22. Bxe6 Rd3 23. Re1 Rcd8 24. f5 Nd5 25. Bxd5 $1 R8xd5 26. c4 (26. Kc2 $11) 26... Bg3 27. Re2 Rd6 28. g5 {[%cal Rg5h6]} hxg5 29. Bxg5 R6d4 30. f6 {[#] And now Rh8+ would win.} gxf6 31. Bxf6 Rd6 (31... Rd7 $1 $11 32. Nxe4 Bf4+ 33. Kc2 Re3 34. Rxe3 Bxe3) 32. Be5 (32. Rh8+ $16 Kf7 33. Bc3) 32... Bxe5 $11 {The position is equal.} 33. Rxe5 e3 34. R5xe3 Rxe3 35. Rxe3 Bxg2 {[%mdl 4096] Endgame KRB-KRN} 36. Kc2 Kf7 37. Kc3 Re6 38. Rg3 Rg6 39. Rxg6 Kxg6 40. b4 cxb4+ 41. Kxb4 Bc6 42. c5 {Precision: White = 59%, Black = 55%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Xiong, Jeffery"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2634"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,27,11,26,44,43,54,47,51,51,46,20,37,31,143,143,151,150,141,137,133,136,165,147,135,121,126,111,106,0,30,15,16,12,11,8,20,0,37,0,0,0,20,0]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. Qe2 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} h5 {LiveBook: 6 Games} 10. Qe3 Qb6 $146 ({Predecessor:} 10... Rg8 11. Bb1 a5 12. Ne1 b5 13. Nc2 Qb6 14. Rd1 Ba6 15. Nf1 b4 16. Qe1 a4 {1-0 (43) Sengupta,D (2570)-Sichinava,Z (2305) St Petersburg 2016}) 11. b4 $1 {[%cal Rb4c5] White is slightly better.} cxd4 12. cxd4 Nxb4 13. Rb1 {Hoping for a3.} Qa5 14. Be2 {[%mdl 1024] White has compensation.} g4 15. Ne1 Nb6 ({Better is} 15... Bf8 $14) 16. Nb3 $1 $36 {[%cal Rb3a5][%mdl 2048] White is really pushing.} Qa4 17. Nc5 Bxc5 18. dxc5 Nc4 {[#]} 19. Qg5 $1 {[%cal Rg5g7]} Qxa2 20. Qg7 Qxb1 21. Qxh8+ Kd7 22. Bg5 Qe4 {[#]} 23. Bxc4 (23. Bd1 $1 $16 a5 24. Qf8) 23... Qxc4 24. Qd8+ Kc6 25. Qe8+ Kxc5 {Strongly threatening ...a5.} 26. Be7+ $1 Kb6 $1 {aiming for ...Nc6.} 27. Bd8+ Kc5 {Threatens to win with ...a5.} 28. Be7+ Kb6 $1 29. Bd8+ Kc5 {And now ...a5 would win.} 30. Be7+ {Precision: White = 80%, Black = 55%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Gordievsky, Dmitry"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2622"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,142,-9,-23,7,0,38,51,39,20,53,0,76,5,26,23,34,33,28,21,27,0,0,0,0,0,0,-25,0,0,0,0,0,0,0,0,0,0,0,0,2,2,33,14,39,6,21,6,6,6,75,66,372,374,369,380,381,381,345,149,143,142,137,80,91,0,127,83,120,120,239,0,89,0,239,0,0,0,0,-12,-18,-12,-16,-17,-17,-24,-23,-20,-20,-28,-16,-16,-12,-38,-24,-48,-46,-94,0,0,0,0,0,0,0,-22,-22,-31,0,-39,-39,-39,-39,-35,-12,-12,0,0,0,0,0]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 O-O 8. O-O d6 9. Rb1 b6 10. a3 Bb7 11. b4 Nd4 12. Be3 Qd7 13. Qd2 (13. Nf4 {feels hotter.} Nec6 14. Nce2 Rae8 15. Qa4 Rd8 16. Qd1) 13... Nxe2+ {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} 14. Nxe2 cxb4 (14... Rad8 15. Bh6 e5 16. b5 f5 17. Bxg7 Kxg7 18. f4 Ng8 19. a4 Rde8 20. Nc3 Nf6 21. Rbe1 exf4 22. Rxf4 fxe4 23. dxe4 {1-0 (47) Eljanov,P (2711)-Ibrahimov,R (2518) Riadh 2017}) 15. axb4 d5 {[#] White is slightly better.} 16. Qa2 $146 ({Predecessor:} 16. cxd5 exd5 17. Bh6 Bxh6 18. Qxh6 Rfd8 19. Nf4 Qd6 20. h4 dxe4 21. dxe4 {1-0 (33) Franco Ocampos,Z (2512)-Gonzalez Acosta,B (2428) Mallorca 2000}) 16... Rfd8 17. Rfc1 ({Better is} 17. cxd5 $14 exd5 18. Rfc1) 17... Nc6 (17... dxe4 $11 18. dxe4 Nc6) 18. Bg5 (18. cxd5 $16 exd5 19. exd5) 18... Re8 19. cxd5 exd5 20. exd5 Ne7 {[%cal Rb7d5]} 21. Nf4 Qd6 22. Re1 (22. Bxe7 $5 Rxe7 23. b5 $11) 22... Nf5 $1 23. Rxe8+ Rxe8 24. Qxa7 Ba8 25. Qa4 Kf8 26. Nh3 Bxd5 27. Bf4 Qd8 28. Bc7 Qxc7 29. Bxd5 Nd4 30. Kg2 Rd8 31. Qa2 Qd7 32. Be4 Nb5 {aiming for ...Nc3.} 33. Rc1 $36 {[%mdl 2048] White has some pressure.} Nd4 (33... Nc3 $5 {[%cal Rc3a2]} 34. Qc4 Qd4 35. Qxd4 Bxd4 $14) 34. Qc4 Bh6 35. Ra1 f5 36. Ba8 $1 Kg7 {[#]} (36... b5 $11 {keeps the balance.} 37. Qc5+ Qe7) 37. b5 $1 $16 {[%mdl 512]} Rc8 $2 {[%mdl 8192] [#]} (37... g5 $14) (37... Nxb5 38. Bc6) 38. Ra7 $1 $18 {[%cal Ra7d7][%mdl 512]} Qxa7 39. Qxd4+ ({Weaker is} 39. Qxc8 Bd2 $16) 39... Kf7 40. Bd5+ Ke8 41. Bc6+ (41. Qh8+ $18 {is the precise move to win.} Bf8 42. Qg8 (42. Bc6+ Rxc6 43. bxc6 Qg7 $14)) 41... Kf7 $16 42. Nf4 {[%mdl 1024] White has strong compensation.} Qe7 {intending ...Bxf4.} 43. Bd5+ (43. Qxb6 $6 Bxf4 44. gxf4 Rd8 $11) (43. Qc4+ $142 Kf8 44. Ne6+ Kg8 45. Qd4) 43... Ke8 44. Bc6+ Kf7 45. Nd5 ({Much worse is} 45. Qxb6 $6 Bxf4 46. Bd5+ Kg7 $11) 45... Qd8 46. Qc4 {And now Nxb6+ would win.} Kg7 (46... Kf8 $16) 47. Qd4+ (47. Qc3+ $18 {has better winning chances.} Kf7 48. Nxb6 $1 {[%mdl 512]}) 47... Kf7 $1 48. Qc4 (48. h4 $16) 48... Kg7 $18 49. h4 $2 (49. Qc3+ $18 Kf7 50. Nxb6 $1 {[%mdl 512]}) 49... Kh8 $11 50. Qd4+ (50. h5 {keeps more tension.} Bg7 51. hxg6 hxg6 52. Nf4 Qf6 53. d4) 50... Bg7 51. Qxb6 Qxb6 52. Nxb6 {[%mdl 4096] Endgame KRB-KBN} Rd8 53. Nd5 Bd4 54. Nf4 Rd6 55. Kf3 Kg7 56. Ke2 h6 57. Nd5 g5 58. h5 Kf7 59. f3 Re6+ 60. Kd2 {[#]} Bf2 ({Black should play} 60... g4 $1 $17 {[%cal Rg4f3]} 61. fxg4 fxg4) 61. g4 fxg4 62. fxg4 Bd4 63. Kc2 Re2+ 64. Kb3 Ke6 65. Kc4 Ke5 66. Nb4 Re1 67. Be4 $1 Rc1+ 68. Kb3 {Nc6+ is the strong threat.} Rc3+ 69. Ka4 {Black must now prevent Nc6+.The position is equal.} Bc5 70. b6 Bxb6 {Hoping for ...Bf2.} 71. Nd5 {[#]} Rxd3 $1 {[%mdl 512] Precision: White = 46%, Black = 45%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Bok, Benjamin"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2607"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,6,3,12,13,10,13,31,17,35,35,16,0,0,0,0,0,23,10,12,0,25,21,26,6,27,18,41,43,46,41,39,33,52,52,75,67,76,54,89,77,69,56,83,76,64,73,64,12,58,66,61,8,8,14,111,101,90,0]} 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Nc3 Bb7 8. d4 Ne4 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} (8... Nbd7 9. Bb2 c5 10. Ne1 cxd4 11. Qxd4 Bc5 12. Qf4 Bb4 13. Nd3 Bxc3 14. Bxc3 Qc8 15. Rfc1 dxc4 16. Bxf6 Nxf6 17. Rxc4 Qb8 18. Qxb8 Rfxb8 {½-½ (58) Ding,L (2777)-So,W (2810) Tbilisi 2017}) 9. Bb2 Nd7 10. Qc2 Nxc3 {The position is equal.} 11. Bxc3 Nf6 12. Rfd1 Qc8 $146 ({Predecessor:} 12... dxc4 13. bxc4 Be4 14. Qb2 c6 15. a4 Rb8 16. Bh3 Bxf3 17. exf3 {½-½ (28) Vokac,M (2498)-Bazant,P (2313) Czechia 2007}) 13. Rac1 dxc4 14. bxc4 Be4 15. Qb3 Qb7 16. Ne1 {[%cal Bf3e1,Be1g2,Bg2f4][%mdl 32]} Bxg2 17. Nxg2 Rfd8 18. Nf4 c6 19. f3 b5 20. e4 Nd7 21. cxb5 Qxb5 22. Qxb5 cxb5 23. d5 Nf8 24. Ba5 Rd7 25. Kg2 exd5 26. Nxd5 f6 27. Nxe7+ (27. Rc6 {looks sharper.} Bd8 28. Bb4 a5 29. Bd6 Rb7 30. f4) 27... Rxe7 28. Rd5 Rb8 29. Bb4 Reb7 30. f4 a5 31. Bxa5 (31. Bd2 $14) 31... Ra7 (31... Ra8 $5 {[%cal Ra8a5]} 32. Bb4 Rxa2+ 33. Kg1 Rb2 $14) 32. Bb4 {Threatens to win with a3.} Rxa2+ 33. Kf3 ({White should play} 33. Kh3 $1 $14) 33... Rxh2 $11 34. Rc7 Kh8 (34... h5 $11) 35. Rdc5 {[%mdl 1024] Hoping for Rc8. White has strong compensation.} Ra2 {[#]} 36. Rd5 {Precision: White = 48%, Black = 35%.} (36. e5 $1 $16) 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.16"]
[Round "4"]
[White "Van Foreest, Lucas"]
[Black "Amin, Bassem"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2481"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,91,5,12,52,46,42,0,-9,-2,34,-30,-8,-10,39,37,35,29,39,0,0,0,0,0,0,0,0,0,29,20,34,32,31,34,246,187,146,-75,-76,-91,-58,-164,-12,-12,-7,-76,-72,-139,-20,-21,57,54,52,49,62,51,78,76,75,70,83,82,139,140,139,137,748,748,705,704,29987,29988,29982,29983]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Be7 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 9. Bd3 O-O (9... h6 10. Ne4 Nd5 11. Ng3 g6 12. O-O f5 13. Re1 Bf6 14. Bf1 O-O 15. d4 e4 16. Qd1 {½-½ (44) Pourramezanali,A (2505)-Wen,Y (2617) Bandar e Anzali 2017}) 10. Nc3 h6 11. Nge4 {LiveBook: 3 Games} Nxe4 12. Qxe4 $146 {[%csl Gd3][%cal Re4h7]} ({Predecessor:} 12. Bxe4 Qd7 13. g4 Qxg4 14. Qxg4 Bxg4 15. Rg1 f5 16. d3 {1-0 (44) Paveto,K (2424)-Della Morte,G (2421) Buenos Aires 2015}) 12... f5 $1 {[%cal Rf5e4]} 13. Qxe5 (13. Qe2 $14) 13... Bd6 $1 $11 {[%cal Rd6e5]} 14. Qd4 $1 Bb7 $1 {And now ...c5 would win.} 15. b4 (15. Be2 $14) 15... c5 16. bxc5 Qe8+ 17. Kf1 Be5 $1 {[%cal Re5d4]} 18. Qb4 (18. Bc4+ $2 Kh7 $19) 18... Qd8 19. c6 Bxc6 {Strongly threatening ...Rb8.} 20. Ba3 Qg5 21. f3 $1 Qxd2 22. Bb2 Rab8 23. Qc5 $1 {[%cal Rc5e5]} (23. Qxa5 $2 Bd4 $19) 23... Rfe8 24. Rd1 Qg5 25. Bc1 Qh4 {Hoping for ...Bd4.} 26. Ne2 $1 (26. Qxa5 $2 Bd4 $19) 26... Qh5 $2 (26... Qa4 $1 $14) 27. Qxa5 Bxf3 28. Qd2 $2 ({Stronger than} 28. gxf3 Qxf3+ 29. Kg1 Bd4+ 30. Nxd4 Qxd1+ 31. Kg2 Qg4+ 32. Kf1 Qxd4 $11) ({Don't do} 28. Qxa7 $6 Bxe2+ 29. Bxe2 Qxe2+ 30. Kxe2 Bd4+ 31. Kf3 Bxa7 $14) (28. Re1 $16 {and life is bright.}) 28... f4 $1 $17 {[%cal Bf5f4,Bf4f3][%mdl 32]} 29. Bc4+ Kh8 30. Bd5 (30. Qd3 $1 $15 Bg4 31. Bd5) 30... Bxd5 $2 ({Better is} 30... Bg4 $19 31. Qd3 Rbd8) 31. Qxd5 $11 {Black must now prevent Qf3.} f3 $1 {[%cal Rf3e2]} 32. Ng3 {[#]} (32. Qxf3 $11 {remains equal.} Rf8 33. Nf4 Qxf3+ 34. gxf3 Bxf4 35. Kg2) 32... Qh4 $1 $17 33. Kf2 ({White should play} 33. Qe4 Bxg3 34. Qxh4 Bxh4 35. g3) 33... Rbd8 ({Black should try} 33... Rbc8 $17 34. c4 Rxc4 35. gxf3 Rc2+ 36. Bd2 Bf4) 34. Qxf3 $11 Rf8 (34... Rc8 $11 35. Kf1 Rf8) 35. Rxd8 $14 Qxd8 36. Nf5 g6 37. Rd1 Qc7 38. Kg1 {aiming for Qh3.} Rxf5 39. Qe3 Bg7 $1 40. Bb2 $36 {[%mdl 2048] Keeping Black busy.} Rh5 (40... Kh7 $142 41. Bxg7 Kxg7) 41. h3 $16 {Qe8+ is the strong threat.} Kh7 ({Wrong is} 41... Bxb2 $2 42. Qe8+ Kg7 43. Rd7+ Qxd7 44. Qxd7+ Kg8 45. Qxa7 $18) 42. Bxg7 Kxg7 $4 {[%mdl 8192] [#]} (42... Qxg7 $16 43. c4 Re5) 43. Qe8 $1 $18 Qc5+ 44. Kh1 {Threatening mate with Rd7+.} Re5 45. Rd7+ Kf6 46. Rf7+ {Precision: White = 46%, Black = 49%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Amin, Bassem"]
[Black "Gordievsky, Dmitry"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2693"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,43,56,26,36,32,52,51,200,191,207,198,219,206,214,227,237,91,149,138,245,241,257,231,316,314,564,520,507,515,853,816,1175,1170,1379,1329,29990,29991,29996,29997,29997,29997]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bc4 e6 7. Bf4 Qb6 {LiveBook: 10 Partien. B29: Sizilianisch (Rubinstein-Variante)} 8. Nd2 $146 ({Vorgänger:} 8. b3 Qc7 9. Qe2 h6 10. O-O-O a6 11. Bd3 b5 12. c4 Nb4 13. Be4 Rb8 14. c3 Nc6 15. h4 {1-0 (44) Savchenko,B (2581)-Rakhmanov,A (2669) Sochi 2017}) 8... Qxb2 9. Ne4 Qb6 {Weiß steht etwas besser.} 10. Qg4 {zielt auf Sd6+ ab.} Na5 (10... Qa5 $1 $14) 11. Be2 $18 Qb2 12. O-O {[#] Sd6+ ist eine echte Drohung.} Qxc2 13. Qf3 Qa4 14. Rab1 {[%mdl 1024] Weiss hat starke Kompensation.} a6 15. Rfd1 (15. Bg5 $18 {und Weiss behält klar die Oberhand.} h6 16. Bh4) 15... h6 (15... Nc6 $142) 16. Bg3 $36 {[%cal Bf4g3,Bg3h4,Bh4d8][%mdl 2080] Schwarz steht unter starkem Druck.} Nc6 (16... c4 $16 {war nötig.}) 17. Qf4 $18 b5 18. Bh5 Nd8 19. Bh4 Bb7 $2 (19... Ra7 20. Nf6+ gxf6 21. Qxf6 Qxh4 22. Qxh4 Bb7) 20. Bxd8 $1 Kxd8 21. Qxf7 {[%csl Gd1][%cal Rf7d7]} Bc6 (21... b4 $142 22. Bf3 Kc7 23. cxb4 Bxe4 24. Bxe4 Rd8) 22. Bf3 {Und Sf6 würde nun gewinnen.} Kc7 {[#]} 23. Ng5 $1 {[%mdl 512]} Kb6 (23... hxg5 24. Bxc6) 24. Bxc6 Ra7 25. Rxd7 {Weiß setzt Matt.} Qxa2 26. Rb7+ Rxb7 27. Qxb7+ {Precision: Weiß = 73%, Schwarz = 26%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Krasenkow, Michal"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2671"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,186,15,20,8,4,13,20,8,10,0,8,-17,0,0,0,0,3,-7,1,0,17,18,22,12,16,16,27,33,33,33,40,42,54,52,61,44,82,58,75,14,14,17,36,34,47,53,172,169,167,166,160,168,160,166,158,172,238,238,238,236,232,221,201,220,219,128,128,122,145,111,118,22,35,28,44,44,44,50,264,0,0,0,0,0,41,47,47,5,21,29,29,29,41,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,14,14,14,14,8,8,8,8,8,8,0,8,0,8,8,8,8,8,8,14,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7. a3 Bxc3+ 8. bxc3 Bd7 9. Qc2 Na5 10. cxd5 exd5 11. Bd3 Re8 12. O-O c5 13. dxc5 Rc8 14. a4 Rxc5 {1-0 (39) Yu,Y (2751)-Harikrishna,P (2744) Huaian 2017}) 7... Ne7 8. a3 Bxc3+ $1 9. Qxc3 b6 10. b3 Bb7 11. Be2 dxc4 12. bxc4 c5 13. O-O Rc8 {[#]} 14. Rd1 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Bb2 cxd4 15. Nxd4 {1-0 (34) Babula,V (2559)-Georgiadis,N (2472) Reykjavik 2015}) 14... Qc7 15. Bb2 cxd4 16. Nxd4 Qc5 17. a4 Qg5 {[%csl Gb7][%cal Rg5g2]} 18. Nf3 Bxf3 19. Bxf3 Nc6 20. Rac1 Na5 21. Qb4 Rc5 $1 22. Bd4 Rf5 23. Bxf6 gxf6 24. h4 Qg7 $1 25. Kf1 (25. Kh1 $16 Rc5 26. Rd7) 25... Rc5 $1 $11 26. Rd7 f5 27. g3 $36 {[%mdl 2048] White has good play.} Rfc8 {[%cal Ra5c4]} 28. Rcd1 Qf6 (28... Qe5 $1 $14) 29. Rxa7 $18 Nxc4 30. Bh5 Ne5 31. Qxb6 Rc2 32. Qb7 Rf8 33. Qb3 Rc5 (33... Rfc8 $142) 34. Qb2 Kg7 35. a5 f4 36. exf4 Nc6 37. Qb6 Qc3 {[#]} 38. Rxf7+ $1 Rxf7 39. Bxf7 Kxf7 40. Rd7+ Kf6 {[#]} 41. a6 ({Reject} 41. Rxh7 $6 Qd3+ 42. Kg2 Qd5+ 43. Kh3 (43. Kh2 Nd4 $11) 43... Qf5+ 44. Kh2 Qc2 $11) (41. Qb7 $1 $16 {[%cal Rb7c8] Threatens to win with Qc8.} Rxa5 42. Kg2 (42. Rxh7 Ra7 $14)) 41... Qc4+ $11 42. Kg1 {[%mdl 1024] White has compensation.} Rb5 43. Qe3 Rb3 44. Qe1 Qc2 $2 ({Better is} 44... Ra3 $1 $14) 45. Rd1 $2 ({Only move:} 45. Kg2 $18) 45... Qc5 {Strongly threatening ...Rxg3+.} 46. Rc1 Qd5 47. Ra1 {aiming for a7.} Qd4 48. Kg2 {Black must now prevent a7!} Rb2 $1 49. Ra3 {a7! is the strong threat.} (49. a7 $5 Rxf2+ 50. Qxf2 Qxa1 51. Qc5 Qxa7 52. Qxc6 $16) 49... Qc5 50. Qc3+ Qxc3 51. Rxc3 {[%mdl 4096] Endgame KRN-KR} Rb6 52. a7 (52. Ra3 $5 {[%cal Ra6a7]}) 52... Nxa7 {The position is equal.} 53. Rc7 Nc6 54. Rxh7 Ne7 55. h5 {Hoping for g4.} Nd5 56. Rh6+ Kf7 (56... Kg7 $5 57. Rg6+ $8 Kf7 $11) 57. Rh7+ Kf6 58. Kf3 Rb3+ 59. Kg4 Rb5 60. Ra7 Rb2 61. Kf3 Rb3+ 62. Kg2 Rb5 63. h6 Kg6 64. h7 Rb8 65. Kf3 Nf6 66. Re7 Rb3+ 67. Kg2 Nxh7 68. Rxe6+ Nf6 69. Re3 Rb2 70. Kf3 Ra2 71. Rb3 Rc2 72. Rb6 Rc3+ 73. Ke2 Kf7 74. Rb5 Kg6 75. f3 Nh5 76. Rg5+ Kh6 77. Kf2 Ra3 78. Kg2 Ra4 79. Rf5 Kg6 80. Rg5+ Kh6 81. Rg8 (81. Rb5 {NOTEXT} Kg6 82. f5+ Kg5 83. f6+ Kg6 84. f7) 81... Nxf4+ 82. gxf4 Rxf4 {KR-KR} 83. Kg3 Rf6 84. Rg4 Rf7 85. Kf2 Ra7 86. Rg8 Kh7 87. Rg4 Kh6 88. Rg8 Kh7 89. Rg5 Kh6 90. Rg4 Ra2+ 91. Kg3 Ra1 92. Kf4 Ra4+ 93. Kf5 Ra5+ {Precision: White = 66%, Black = 76%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "L'Ami, Erwin"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2634"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,36,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. O-O cxd4 11. Nxd4 Bd7 {[%cal Bc8d7,Bd7c6,Bc6d5][%mdl 32] D38: Damengambit (Ragosin-Verteidigung)} 12. Qb3 (12. Ne4 Qe7 13. Bd3 Nc6 14. Nb3 Na5 15. Rc7 Rfd8 16. Nxa5 Bxa5 17. Rxb7 Qf8 18. Qh5 Bb6 19. Ng5 {½-½ (28) Radjabov,T (2710)-Harikrishna,P (2755) Shamkir 2017}) 12... Nc6 13. Nxc6 Bxc3 14. Rxc3 Bxc6 15. Bb5 Bd5 {LiveBook: 23 Partien. Die Stellung ist ausgeglichen.} 16. Bc4 {[#]} Bc6 $146 17. Bb5 Bd5 18. Bc4 Bc6 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Van Foreest, Jorden"]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2629"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,86,26,9,16,4,14,0,0,0,5,-31,-30,-30,-30,-29,-29,-29,-30,-37,-27,-30,-20,-106,-94,-102,-107,-120,-138,-166,-154,-186,-177,-177,-172,-202,-170,-169,-152,-168,-172,-143,-167,-142,-141,-236,-195,-195,-183,-218,-212,-218,-213,-226,-232,-256,-264,-271,-267,-263,-219,-301,-289,-364,-354,-426,-372,-548,-285,-301,-278,-397,-322]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. h3 Bg7 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 8. Be3 O-O 9. O-O {LiveBook: 19 Games} Ne7 $146 {The position is equal.} ({Predecessor:} 9... Qe7 10. Nbd2 Nd8 11. Re1 Ne6 12. Ng5 Bd7 13. Bxd7 Nxd7 14. Nxe6 Qxe6 15. Qb3 Qxb3 16. axb3 f5 17. f3 Nf6 18. b4 Rfe8 19. Nb3 c6 20. g4 {½-½ (20) Alekseev,E (2616)-Ivanchuk,V (2726) Riadh 2017}) 10. Nbd2 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 11. d4 exd4 12. cxd4 b5 {And now ...cxd4 would win.} 13. Bb3 c4 14. Bc2 d5 15. e5 Ne8 16. Re1 Bf5 17. Nf1 Bxc2 18. Qxc2 Nf5 19. Bg5 (19. Qd2 $11 {keeps the balance.}) 19... Nxd4 $1 $17 20. Nxd4 Qxg5 21. Rad1 Nc7 22. Nc6 Ne6 23. g3 Rfe8 24. h4 Qh5 $1 25. f4 Bf8 {Hoping for ...Rac8.} 26. Ne3 Qf3 27. Qg2 Qxg2+ 28. Kxg2 Rec8 $36 {[%mdl 2048] Black is in control.} 29. Nd4 Bc5 30. Nf3 (30. Nec2 $17) 30... d4 31. Nd5 h5 32. b4 {[#]} Ba7 $1 33. Ne7+ {[#]} Kf8 $1 {[%cal Rf8e7]} 34. Nxc8 Rxc8 35. Nd2 d3 36. Ne4 Nd4 37. Rd2 Ke7 38. Rc1 Rd8 39. Rc3 Nc6 40. Ra3 a5 41. Nd6 (41. Rd1 {was necessary.} Bd4 42. Rb1) 41... Rb8 42. bxa5 {If White can now play Rc3 this consolidates a bit.} Bc5 43. Rc3 (43. Raxd3 $142 cxd3 44. Rxd3) 43... Bb4 {Precision: White = 43%, Black = 89%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Tari, Aryan"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2599"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,85,-6,-4,1,22,13,0,39,14,28,27,56,46,63,52,72,68,70,42,172,154,175,139,175,168,203,210,215,154,252,254,252,239,256,258,260,269,249,260,256,257,264,252,247,168,168,168,254,254,256,258,284,276,1414,247,516,529,516,502,683,288,289,287,406,403]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. g3 Be6 (8... Nbd7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Qc7 12. Be3 Bb7 13. Qd2 Rc8 14. Nc3 Nb6 15. Bxb6 Qxb6 {½-½ (33) Nakamura,H (2792)-Vachier Lagrave,M (2791) Saint Louis 2017}) 9. Bg2 b5 10. O-O Nbd7 11. a4 b4 12. Nd5 {LiveBook: 3 Games} Nxd5 13. exd5 Bf5 14. Bd2 a5 {[#]} 15. b3 $146 ({Predecessor:} 15. c3 bxc3 16. Nxc3 {½-½ (69) Kovalev,V (2599)-Kovalyov,A (2617) Baku 2016}) 15... Be7 16. c3 Nf6 17. cxb4 axb4 18. Bxb4 Qd7 19. Kh2 Rb8 20. Be1 Kf8 (20... O-O $14) 21. Rc1 $18 Kg8 {and if ...h4 works, Black does fine.} 22. Nc3 Kh7 23. Nb5 Rhc8 {intending ...Rxc1.} 24. Rc6 Bg6 25. Bb4 {[%cal Rb4d6]} Ne4 (25... e4 $16 26. Rxc8 (26. Bxd6 Rxb5 27. axb5 Bxd6 $15) 26... Rxc8) 26. Bxe4 Bxe4 27. Nxd6 ({Don't take} 27. Qxh5+ $6 Kg8 $16) 27... Bxd6 28. Bxd6 Ra8 29. Qxh5+ Kg8 30. Bxe5 Rxc6 31. dxc6 $40 {[%mdl 128] White is out for blood.} Qxc6 32. Qg4 {[%csl Ge5][%cal Rg4g7] [#]} Bg6 33. Qd4 f6 34. Bf4 Kh7 (34... Qe6 $142 35. b4 Rxa4) 35. Rc1 Qf3 36. Rc3 Qe2 37. Be3 Ra5 $2 {[#]} (37... Qf3) 38. Qd2 $2 (38. Rc7 {White wants to mate with Qxf6.} Bf7 39. Rxf7) 38... Qh5 $2 (38... Qxd2 {is a better defense.} 39. Bxd2 Rd5) 39. Rc4 Rd5 40. Qb4 Qd1 41. Rh4+ (41. Qf8 $142) 41... Rh5 42. Qg4 Qxg4 (42... Qd5 {was worth a try.} 43. Qc4 Qxc4 44. Rxc4 Bf7) 43. hxg4 {Precision: White = 69%, Black = 25%.} ({Less strong is} 43. Rxg4 Bf5 $18) 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Harika, Dronavalli"]
[Black "Van Foreest, Lucas"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2497"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,128,0,0,7,2,6,5,0,8,0,10,15,5,7,24,4,85,20,13,12,12,12,12,12,16,12,10,7,10,10,12,10,14,9,18,10,6,4,3,0,3,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 {A13: English Opening: 1...e6} c5 7. Ne5 Qc8 8. b3 (8. Qd3 Nc6 9. Nxd7 Nxd7 10. Qb3 Be7 11. Nc3 O-O 12. O-O Rd8 13. d3 Nb6 {½-½ (31) Aronian,L (2799)-Ding,L (2777) Tbilisi 2017}) 8... Nc6 9. Nxd7 Qxd7 10. Bb2 Be7 {LiveBook: 11 Games} 11. O-O O-O 12. Rd1 Rac8 13. Nc3 {[#]} Rfd8 $146 ({Find the theoretical novelty and annotate with similar games:} 13... b6 14. Rac1 Rfd8 15. Qa4 h6 16. d3 Kf8 17. Rd2 Kg8 18. Rdd1 Kf8 19. Rd2 Kg8 20. Rdd1 {½-½ (20) Blomqvist,E (2515)-Movsesian,S (2660) Teplice 2016}) 14. Ne4 Nxe4 15. Qxe4 b6 16. Rac1 Bg5 17. h4 Bh6 (17... Be7 $11 {remains equal.}) 18. Bc3 (18. e3 $16) 18... g6 {The position is equal.} 19. e3 Bg7 20. Bxg7 Kxg7 21. d4 Ne7 22. Bf3 {Hoping for dxc5.} cxd4 23. Rxc8 Qxc8 24. Rxd4 Rxd4 25. Qxd4+ Kg8 26. h5 Qc7 27. Qf6 Nf5 28. Kg2 Ng7 29. hxg6 hxg6 30. Be4 Ne8 31. Qd4 Nd6 32. Bf3 Nf5 33. Qd2 Qe5 34. a4 Kg7 35. Qd3 Qc5 36. Qd2 a5 37. Qb2+ Kf8 38. Qf6 Ke8 39. Qh8+ Ke7 40. Qb8 Qd6 41. Qc8 Qb4 42. Qc7+ Kf6 43. Qd8+ (43. Qb8 {NOTEXT} Qc5 44. Qd8+ Kg7 45. g4 Ne7 46. Qd3) 43... Kg7 44. Qd3 Qc5 45. Qd2 Nd6 46. Qd3 Kf6 47. Qd2 Ke7 48. Qd3 Ne8 49. Qe4 Nf6 50. Qb7+ Kf8 51. Qb8+ Kg7 52. Qd8 Qb4 53. Qd3 Ne8 54. Kf1 Kf8 55. Qc2 Nf6 56. Kg2 Qd6 57. Qc8+ Kg7 58. Qc3 Qd8 59. b4 axb4 60. Qxb4 Kg8 61. Qc3 Nd7 62. Kg1 Nc5 63. a5 {[#] Qb4 is the strong threat.} Qc7 64. axb6 Qxb6 {Precision: White = 80%, Black = 83%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.17"]
[Round "5"]
[White "Girya, Olga"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2489"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "224"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,224,-16,0,0,-13,-9,-2,-18,-14,-7,-4,-2,-7,-33,-22,-49,-34,-47,-38,-42,-44,-59,-40,-71,-34,-12,-17,-29,0,0,4,2,8,17,50,44,65,64,62,61,63,30,25,-11,-11,-145,-129,-142,-76,-114,-133,-146,0,-92,-90,-109,-54,-83,-93,-93,-82,-170,-152,-152,-117,-131,-132,-126,-127,-118,-112,-147,-139,-157,-154,-166,-163,-162,-147,-155,-139,-163,-162,-161,-154,-156,-161,-173,-195,-164,-75,-75,0,-162,0,-75,-75,-75,-75,-75,-8,-8,-8,-26,-26,-75,-75,-75,-75,-79,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-4,-4,-4,-4,-4,0,-4,-4,-4,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,0,-4,0,-4,-4,-4,-4,-8,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,-8,-8,-8,0,-8,0,-8,0,-8,0]} 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bf4 Nbd7 5. e5 $146 ({Vorgänger:} 5. Nf3 Bg7 6. Qd2 O-O 7. h4 c5 8. Bg5 h5 9. O-O-O a6 10. Kb1 Qc7 11. dxc5 Qxc5 12. Nd4 b5 13. Be2 Nb6 14. Nd5 Nbxd5 15. exd5 {½-½ (26) Sethuraman,S (2640)-Radovanovic,N (2396) Kragujevac 2016}) 5... Nh5 6. Be3 {B07: Pirc-Ufimzew-Verteidigung} dxe5 7. dxe5 Nxe5 8. Qxd8+ Kxd8 9. O-O-O+ Bd7 10. Be2 f6 11. g4 Ng7 12. f4 Nf7 13. Nf3 Nd6 14. h3 c6 15. Rd2 Kc7 16. Rhd1 Nge8 17. Ne4 Bc8 18. Nf2 b6 19. c4 c5 20. b4 $1 {[%cal Rb4c5]} Nb7 21. bxc5 Nxc5 22. Nd4 {Sb5+ ist eine echte Drohung.} Nd6 23. Nb5+ Nxb5 $1 24. cxb5 a6 25. Bf3 Ra7 $1 26. f5 (26. Ne4 {looks sharper.} axb5 27. Rc2 e6 28. Bd4 Kb8 29. Nxf6 Bd6 30. Nd5) 26... gxf5 27. gxf5 (27. Nd3 $1 $11 e5 28. Rc2) 27... Bxf5 $17 28. Ng4 {Und weiter mit Sxf6! wäre nett.} Bxg4 ({Besser ist} 28... axb5 {Droht ...Ta4 und aus.} 29. Bf4+ e5 30. Nxe5 Bh6 $1 {[%mdl 512]} 31. Nd3+ Bxf4 32. Nxf4 Rc8 33. Nd5+ Kb8) 29. Bxg4 axb5 30. Kb1 e6 (30... h5 $17 31. Bxc5 bxc5) 31. Bxc5 (31. Rd8 $11 {bleibt in der Remisbreite.}) 31... bxc5 32. Rd8 Kb6 (32... f5 $17 33. Be2 Ra3 34. Bxb5 Bg7 35. R8d7+ Kb6) 33. Bxe6 Bg7 34. R8d6+ Ka5 35. Bf5 (35. Bd7 $17) 35... Re8 $19 36. R6d3 Bf8 37. Ra3+ Kb6 38. Rxa7 Kxa7 39. Bxh7 $17 {[%mdl 4096] Endspiel KTL-KTL} c4 40. h4 Kb6 41. Rf1 Ka5 42. Rxf6 {[#]} Re1+ $1 43. Kc2 Ba3 44. h5 Ra1 45. h6 Rxa2+ 46. Kd1 Rh2 47. Be4 Bb2 48. Rd6 {[#]} Rh4 $1 {[%cal Rh4e4]} 49. Bf5 Rh5 (49... b4 $19 {bietet bessere Gewinnchancen.} 50. Rd5+ Kb6) 50. Be4 Rh4 (50... Bh8 $17) 51. Bf5 $1 $19 Rh5 (51... b4 $19 52. h7 b3) 52. Be4 $1 $17 Re5 53. Bc6 Rc5 54. h7 Kb4 ({Günstiger ist} 54... Rh5 $17) 55. Kc2 $11 Bc3 56. Rh6 Bh8 57. Rd6 Rh5 {zielt auf ...Kc5 ab.} 58. Rd5 Rh2+ ({Ein No Go ist} 58... Rxh7 59. Rxb5+ Ka3 60. Ra5+ Kb4 61. Rb5+ Ka3 62. Ra5+ Kb4 63. Rb5+ $11) 59. Kd1 c3 (59... Rxh7 $17 60. Rxb5+ Kc3) 60. Rxb5+ {Die Stellung ist ausgeglichen.} Kc4 61. Rg5 Rxh7 62. Kc2 Bd4 63. Be4 $132 {[%mdl 2048] Weiss has counterplay} Rh8 64. Bd3+ Kb4 {Und ...Th2+ würde nun gewinnen.} 65. Be4 Rf8 66. Kd3 Bh8 67. Rg2 Rf1 68. Kc2 Bd4 69. Re2 Kc5 70. Rg2 Ra1 71. Re2 Be5 72. Bg6 Bf6 73. Bf5 Kd4 74. Re4+ Kd5 {Weiss muss nun ...Ta2+ beachten.} 75. Re2 Bd4 76. Bg6 Kc5 77. Bf5 Rf1 78. Bd3 Ra1 79. Bf5 Ra3 80. Bg6 Bg7 81. Bf5 Ra7 82. Bg6 Kc4 83. Bd3+ Kd4 84. Re4+ Kc5 85. Re2 Ra2+ 86. Kb1 Ra8 87. Kc2 Rb8 88. Bg6 Kc4 89. Bd3+ Kd4 {( -> ...Tb2+)} 90. Re4+ Kc5 {Droht stark ...Tb2+.} 91. Re2 Rb2+ 92. Kd1 Rb3 93. Kc2 Ra3 94. Bg6 Bh6 95. Kd3 Ra6 96. Bh7 Kb4 97. Bg8 Bd2 98. Re4+ Ka3 99. Kc2 Rb6 100. Rc4 Rb2+ 101. Kd3 Rb8 102. Bh7 $1 Kb2 103. Bg6 Rb6 104. Bf5 Rf6 105. Rc5 Rf8 106. Ke2 Re8+ 107. Kf3 Be3 108. Rc6 Rf8 109. Kg4 Bf2 110. Rc7 Rf6 111. Rc8 Be3 112. Rc7 Rf8 {Precision: Weiß = 68%, Schwarz = 58%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Korobov, Anton"]
[Black "Tari, Aryan"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2652"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,0,0,-10,14,16,16,12,13,11,16,13,14,8,8,8,8,6,32,30,30,26,33,17,118,110,115,108,109,106,110,109,112,112,110,110,141,141,207,207,205,205,205,205,205,203,239,239,381,362,435,435,632,435,435,435,435,435,849,588,591,588,572,561,548,458]} 1. d4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7b6][%mdl 32]} 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 (5. Nf3 Bg7 6. Qb3 O-O 7. O-O Qb6 8. Nc3 Rd8 9. h3 Bf5 10. Bf4 Na6 11. Qxb6 axb6 12. cxd5 Nxd5 13. Nxd5 Rxd5 14. Be5 Bxe5 15. dxe5 Be4 16. Rfd1 Bxf3 17. Bxf3 Rxe5 {0-1 (68) Li,C (2732)-Vachier Lagrave,M (2789) Riadh 2017}) 5... Nfd7 6. cxd5 {D71: Fianchetto Grünfeld: 3 g3 d5 sidelines and 5 cxd5 (without Nf3)} Nb6 7. Qd1 cxd5 8. Nc3 Nc6 9. e3 Bf5 {LiveBook: 3 Games} 10. Nh3 $146 (10. Nge2 {is interesting.} h5 11. h3 Nb4 12. O-O Bc2 13. Qe1) ({Predecessor:} 10. Nge2 Nb4 11. O-O Bc2 12. Qe1 Bf5 13. Qd1 Bc2 14. Qe1 Bf5 15. Qd1 {½-½ (15) Vidit,S (2669)-Van Wely,L (2674) Baku 2016}) 10... Bxh3 (10... h5 {seems wilder.} 11. Nf4 e6 12. h3 Bb4 13. O-O Kf8) 11. Bxh3 Bg7 12. O-O O-O 13. b3 e6 14. Bb2 Nc8 15. Qe2 Nd6 16. Rfc1 Rc8 17. Na4 b6 18. Ba3 Re8 19. Nc3 Bf8 20. Qa6 Rc7 (20... Nb8 $11 21. Qd3 (21. Qxa7 $2 Rxc3 22. Bf1 Rc6 $19) 21... Qf6) 21. Bxd6 $1 $16 Bxd6 22. Nb5 Nb8 23. Qa4 Rxc1+ 24. Rxc1 Re7 25. Nxa7 Rc7 26. Rxc7 Qxc7 27. Nb5 $36 {[%mdl 2048] White is on the roll.} Qc1+ (27... Qc6 $16 28. Nxd6 Qxd6) 28. Bf1 $1 $18 Bf8 29. Qa7 $1 {[%cal Ra7b8]} Nc6 {[#]} 30. Qc7 $1 {Hoping for Na7.} Qc2 {[#]} 31. a3 $1 ({But not} 31. Qxb6 $6 Bb4 $16) 31... h5 32. h4 Be7 (32... Nxd4 $142 33. exd4 Qxc7 34. Nxc7 Bxa3) 33. b4 ({Don't play} 33. Na7 Nxd4 34. Qb8+ (34. Qxe7 Nf3+ 35. Kg2 Ne1+ 36. Kg1 Nf3+ 37. Kg2 Ne1+ 38. Kg1 Nf3+ $11) 34... Kg7 $18) 33... Bd8 34. Qd7 {White is clearly winning.} Kg7 (34... Be7 $142 35. Qc8+ Kh7) 35. Nc7 Bxc7 36. Qxc7 Qa4 37. Qxb6 Ne7 (37... Qxa3 $142 38. Qxc6 Qxb4) 38. Qc5 Ng8 39. b5 {b6 is the strong threat.} Nf6 40. f3 Nd7 41. Qd6 {Precision: White = 80%, Black = 57%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Bluebaum, Matthias"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "2640"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,51,67,52,61,35,53,49,44,37,55,54,76,19,47,-31,-22,-15,-16,-8,-27,-39,-32,-36,-25,-22,-20,-13,-8,-17,-7,-27,-22,-22,-35,-23,-28,-27,-27,-49,-16,-26,-29,-23,0,0,0,-266,-258,-255,-241,-239,-204,-188,-12,-12,-11,-11,-15,-18,-10,-89,-85,-110,-118,-179,0,0,0,-18,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,0,0,0,0,26,22,115,114,95,0,0,0,45,36,25,17,22,0,0,0,8,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 c5 7. Nf3 cxd4 8. Nxd4 b6 {E90: King's Indian: Classical: Early deviations and 6 h3} (8... Nc6 9. Be2 Nxd4 10. Bxd4 Bd7 11. O-O a5 12. Qc2 Bc6 13. Rad1 Nd7 14. Bxg7 Kxg7 15. Bg4 Nf6 16. e5 Nxg4 17. hxg4 {½-½ (36) Andreikin,D (2737)-Mamedov,R (2688) Tallinn 2016}) 9. g3 Bb7 10. Bg2 Nbd7 11. O-O Rb8 {LiveBook: 4 Games} 12. Qc2 a6 13. Rad1 {[#]} e6 $146 ({Predecessor:} 13... Ba8 14. a4 e6 15. b3 Qe7 16. Qb1 {½-½ (95) Tihonov,J (2469)-Zhigalko,A (2591) Minsk 2010}) 14. Rfe1 Qe7 15. Qd2 Rfc8 16. b3 Ba8 17. Nde2 (17. Rc1 $16) 17... Ne8 18. Bh6 (18. a4 $14) 18... Bxh6 $15 19. Qxh6 b5 20. cxb5 axb5 21. Qe3 b4 22. Na4 {[%cal Bc3a4,Ba4b2,Bb2c4][%mdl 32]} e5 23. Nc1 Nc5 24. Nb2 Nf6 {[%cal Be8f6,Bf6d5,Bd5c3,Bc3e4][%mdl 32]} 25. f3 $1 Ncd7 26. Nc4 d5 27. exd5 Nxd5 28. Qf2 Nc3 $36 {[%mdl 2048] Black fights for an advantage.} 29. Rd2 Bd5 30. Nxe5 Nxe5 31. f4 $1 Bxg2 32. Rxe5 Qxe5 33. fxe5 Ne4 34. Qa7 $2 {[%mdl 8192]} (34. Qf4 $11 Nxd2 35. e6 (35. Kxg2 Rc2 $15)) 34... Bf3 $19 ({Worse is} 34... Nxd2 35. Kxg2 Ne4 36. Nd3 $11) (34... Bxh3 35. Rb2 $11) 35. Nd3 Nxd2 36. e6 fxe6 37. Qe3 {[#]} e5 $2 (37... Bd5 $1 $19 38. Qxd2 Rc3) 38. Qxd2 $11 Rd8 39. Qe3 e4 40. Nf2 Re8 41. g4 {[#]} (41. Ng4 $11 {keeps the balance.} Bxg4 42. hxg4) 41... Rbc8 $1 $17 42. g5 Rc2 43. h4 (43. Kh2 $17 {only move.}) 43... Rxa2 $2 (43... Re7 $19 44. Qb6 e3) 44. Qd4 $1 $11 Ra6 {...e3 is the strong threat.} 45. Qc4+ Rae6 {White must now prevent ...e3.} 46. Kf1 Kg7 47. Qd4+ $1 Kf7 48. Qd5 Kf8 49. Ke1 Re5 50. Qd4 Kf7 51. Qc4+ Kg7 52. Qd4 Kf7 {And now ...e3 would win.} 53. Qc4+ Kg7 {next ...e3 is good for Black.} 54. Qd4 $1 R8e7 55. Qxb4 h6 56. Nh3 Kh7 57. Qd6 R5e6 (57... hxg5 $1 $11 {remains equal.} 58. Nxg5+ Kg7) 58. Qd8 $16 {[%mdl 1024] aiming for gxh6. White has strong compensation.} Re8 59. Qd7+ (59. Qd5 $16) 59... R6e7 $11 60. Qc6 {Strongly threatening Nf4.} Rf8 {Threatens to win with ...h5.} 61. Qd6 Ref7 $1 62. gxh6 Kxh6 {Threatening ...Bg4.The position is equal.} 63. Ng5 Rf5 64. Qe7 {[%csl Gg5][%cal Re7h7]} Kh5 65. Ne6 R8f7 66. Ng7+ {Precision: White = 65%, Black = 62%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Xiong, Jeffery"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2634"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,104,0,-2,6,0,23,31,18,26,18,18,19,22,18,0,0,0,0,0,0,-3,57,0,0,0,0,0,2,6,0,6,2,0,0,0,0,0,0,0,0,0,0,-20,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,27,22,43,34,40,35,81,0,43,0,4,0,1,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Bd6 8. Qxc4 {E04: Open Catalan: 5 Nf3} (8. Bc3 O-O 9. Nbd2 Bd7 10. Qxc4 b5 11. Qxb5 Nb4 12. Qxb4 Bxb4 13. Bxb4 Re8 14. Bc5 Rb8 15. b3 a6 {0-1 (37) Eljanov,P (2765)-Harikrishna,P (2763) Stavanger 2016}) 8... O-O 9. Nc3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Rd1 {LiveBook: 3 Games} c6 13. Bf4 Qe7 14. Bxe5 Qxe5 15. Qd4 Qc7 16. O-O Be6 17. b3 $146 ({Predecessor:} 17. Qc5) 17... h6 18. Na4 Rfd8 19. Qc3 Rxd1 20. Rxd1 Rd8 21. Rd4 c5 (21... b6 $11) 22. Rxd8+ ({But not} 22. Qxc5 $2 Rxd4 23. Qxc7 Rd1+ 24. Bf1 Bh3 $19) ({White should try} 22. Nxc5 $14 Rc8 23. Bxb7 Qxb7 24. Rd8+ Rxd8 25. Nxb7 Rd1+ 26. Kg2 Bd5+ 27. f3 Bxb7 {[#]} 28. g4 $1 {[%mdl 512]}) 22... Qxd8 $11 23. Bxb7 Qd1+ 24. Kg2 c4 $132 {[%mdl 2048] [#] Threatens to win with ...Qd7. Black is not keeping still} ({Of course not} 24... Qxe2 $6 25. Nxc5 Bf5 26. a3 $16) 25. Bf3 cxb3 26. axb3 Qxb3 27. Qa5 Qb8 28. Nc5 Bc4 29. Qa4 Bb5 30. Qb3 Qe8 31. Qa2 Qe7 32. Nd3 a6 33. h4 Qd6 34. Nf4 Bc6 35. Qa5 Bxf3+ 36. exf3 g6 37. Kg1 Ne8 38. Nd5 Qe5 39. f4 Qd6 40. Ne3 Nf6 41. Qa1 Ne4 42. Qa4 Nd2 43. h5 Nf3+ 44. Kg2 Nd4 45. hxg6 fxg6 46. Qc4+ Kg7 47. Nd5 Nb5 48. Ne3 ({Better is} 48. Qe4 $16) 48... h5 49. Kg1 {f5 is the strong threat.} Nd4 {The position is equal.} 50. Nd5 Nf5 51. Nc7 Qd1+ 52. Kg2 {aiming for Ne6+.} Nh4+ {Precision: White = 57%, Black = 71%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Gordievsky, Dmitry"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2622"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "192"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,192,13,15,0,13,13,6,10,15,16,24,8,22,31,64,0,0,0,-7,-1,91,46,43,45,42,39,63,56,66,65,66,56,100,100,102,102,93,95,95,81,84,81,120,119,125,120,120,123,120,120,121,123,135,153,154,135,131,131,134,130,143,138,147,149,144,80,80,80,81,66,80,80,80,81,81,81,81,81,81,81,81,81,81,0,81,0,81,73,87,25,25,25,25,25,26,26,26,26,26,26,33,33,40,13,13,0,40,21,21,21,21,21,21,0,21,21,21,21,27,34,34,34,39,41,41,21,330,21,21,21,21,21,21,21,21,21,21,0,0,0,0,0,21,21,21,21,21,21,21,21,21,0,0,0,21,21,21,21,21,0,21,0,0,0,0,0,21,21,21,0,21,0,21,21,21,21,21,21,21,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 Nc6 7. d4 {A07: Barcza-System (Königsfianchetto mit möglichen Übergängen in andere Systeme)} b6 {LiveBook: 3 Partien} (7... a5 8. c3 b6 9. Re1 Bb7 10. e4 dxe4 11. Nxe4 Nxe4 12. Rxe4 Bf6 13. Re1 Ne7 14. Qc2 Bd5 {1-0 (42) Nakamura,H (2780)-Topalov,V (2749) Saint Louis 2017}) 8. c4 Bb7 9. b3 Na5 $146 ({Vorgänger:} 9... Ne4 10. Bb2 f5 11. Rc1 Bf6 12. e3 Ne7 13. Ne5 Rc8 14. cxd5 exd5 15. Nxe4 dxe4 {1-0 (43) Ali,M (2421)-Nguyen,N (2629) Ashkhabad 2017}) 10. cxd5 exd5 11. Bb2 c5 12. Rc1 Rc8 13. Ne5 Bd6 14. e3 (14. dxc5 $14 bxc5 15. Nd3) 14... Qe7 $11 15. Ng4 Nxg4 16. Qxg4 Qe6 (16... c4 $11) 17. Qxe6 (17. Qh5 {seems wilder.} g6 18. Qh6 Qf6 19. Bc3 cxd4 20. Bxd4 Be5 21. Bxe5 Qxe5 22. Nf3) 17... fxe6 18. Bh3 $36 {[%mdl 2048] Weiss steht aktiver.} Rfe8 19. dxc5 bxc5 20. Rfd1 {Se4! ist eine echte Drohung.} Bf8 21. Nf3 {[%cal Bd2f3,Bf3e5,Be5d3][%mdl 32] Und Sg5 würde nun gewinnen.} Nc6 22. Ba3 Nd8 23. Ne5 $1 Rc7 24. Nd3 {[%cal Ra3c5]} c4 25. Bxf8 Kxf8 26. bxc4 dxc4 27. Ne5 Bd5 28. Bg2 Nf7 29. Nxf7 $1 ({Doch nicht} 29. Bxd5 $6 Nxe5 30. Be4 c3 $11) 29... Kxf7 30. Bxd5 exd5 31. Rxd5 $16 {[%mdl 4096] Endspiel KTT-KTT} c3 {[#]} 32. Rc2 $1 Ke6 33. Rd3 Rec8 34. Kf1 g5 35. Rd4 h5 36. h3 Rc5 37. Ke2 a6 38. Kd3 a5 39. f4 (39. Re4+ $142 Kf7 40. g4) 39... gxf4 40. gxf4 h4 41. f5+ Rxf5 42. Rxh4 Rd5+ 43. Rd4 Rdc5 44. Re4+ Kd7 45. h4 Kd6 46. Rg4 Ke6 47. Rg6+ Ke7 48. Rg4 Ke6 49. Re4+ Kd6 50. Rd4+ Ke6 51. h5 (51. a3 $16) 51... Rxh5 $11 52. Rxc3 Rxc3+ 53. Kxc3 {KT-KT} Rh3 54. Kd3 Rh2 55. Ra4 Rh5 56. Rg4 Kd6 57. Rc4 Rh2 58. Rc2 Rh4 59. Rc4 Rh2 60. a3 Rb2 61. Kd4 Rd2+ 62. Kc3 Rh2 63. Kd3 Rb2 64. Ra4 Rb5 65. Rd4+ Ke6 66. Kc4 Rb1 67. Kc3 Rb5 68. Rh4 Kd6 $1 69. a4 Re5 $2 {[%mdl 8192] [#]} (69... Rc5+ $1 $11 70. Kd4 Rd5+ 71. Kc4 Rc5+ 72. Kd4 Rd5+ 73. Kc4 Rc5+ 74. Kd3 Rg5) 70. Kd4 $2 ({Der einzige Zug:} 70. Rd4+ $1 $18 Kc6 71. e4) 70... Rd5+ {Die Stellung ist ausgeglichen.} 71. Kc4 {Droht Matt per Th6+.} Rc5+ $1 72. Kd3 {Und weiter mit e4 wäre nett.} Rg5 73. Rd4+ Kc5 $1 74. Rc4+ Kd6 $1 75. Kd4 Rg1 76. Ke4 Rg4+ 77. Kd3 Rg1 78. Rd4+ Kc5 79. Rh4 Ra1 80. Rc4+ Kd5 81. Rd4+ Ke5 82. Rh4 {Schwarz muss nun Th5+ beachten.} Ra3+ 83. Ke2 Kd6 84. Kf3 Kc5 85. Rd4 Ra1 86. Kf4 Rh1 87. Ke5 Rh5+ 88. Ke6 Rh6+ 89. Kf5 Rh5+ 90. Kg4 Rh8 91. Rf4 Rb8 92. Kf5 Rf8+ 93. Ke4 Rd8 94. Kf3 Rd3 95. Ke2 Rd8 96. e4 Rd4 {Precision: Weiß = 58%, Schwarz = 63%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Bok, Benjamin"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2607"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,11,16,9,0,3,12,21,33,17,31,21,25,21,17,17,21,26,16,16,12,16,17,12,12,9,18,29,19,8,14,4,6,6,10,0,0,0,0,0,0,0,6,2,3,4,8,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nf3 b6 {LiveBook: 44 Games} 8. b4 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} Bb7 9. Qxd4 d5 $146 ({Find the theoretical novelty and annotate with similar games:} 9... Nc6 10. Qf4 d6 11. Bb2 e5 12. Qd2 a5 13. b5 Ne7 14. Bg2 Qc7 15. O-O O-O {½-½ (121) Bluebaum,M (2642)-Andreikin,D (2712) Dortmund 2017}) 10. Bb2 dxc4 11. Qxc4 Nbd7 12. Bg2 Rc8 13. Qb3 Bd5 14. Qa4 O-O 15. O-O Qc7 16. Rfc1 Qb7 17. Qd1 b5 18. Rxc8 Rxc8 19. Rc1 a6 20. Rxc8+ Qxc8 21. Bf1 {The position is equal.} Ne4 22. Nd2 Nxd2 23. Qxd2 f6 24. Qc1 (24. Bd4 {NOTEXT} Qc6 25. Bh3 h6 26. f3 e5 27. Be3) 24... Qxc1 25. Bxc1 $11 {[%mdl 4096] Endgame KBB-KBN} Nb6 26. f3 f5 27. Kf2 Nc4 28. a4 bxa4 {[#] Strongly threatening ...a3.} 29. e4 $1 {[%cal Re4d5][%mdl 512]} a3 (29... fxe4 30. fxe4) 30. Bxc4 Bxc4 31. Bxa3 {Precision: White = 65%, Black = 78%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Girya, Olga"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2489"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,31,26,33,32,21,36,28,34,6,16,0,0,0,11,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 b6 3. e4 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bd3 {C01: French: Exchange Variation} Ba6 $146 ({Predecessor:} 6... Nc6 7. Ne2 dxe4 8. Bxe4 Bb7 9. Nbc3 Nf6 10. Bf3 O-O 11. O-O {½-½ (52) Gelfand,B (2719)-Rapport,R (2692) Palma de Mallorca 2017}) 7. cxd5 {Bxa6 is the strong threat.} Bxd3 8. Qxd3 {aiming for dxe6.White is slightly better.} exd5 9. Qg3 {White wants to play Nc3.} dxe4 {The position is equal.} 10. Qxg7 Qf6 11. Qg4 Nc6 12. Nc3 Qg6 13. Qxe4+ Qxe4+ 14. Nxe4 Nxd4 {[#] Strongly threatening ...Nc2+.} 15. O-O-O O-O-O 16. Nh3 h6 17. Rhe1 Ne7 18. Nf4 Ng6 19. Nxg6 fxg6 20. Nc3 Rd7 21. Ne2 Ne6 22. Rxd7 Kxd7 23. Rd1+ Ke7 24. Nd4 Nxd4 25. Rxd4 c5 26. Re4+ {Precision: White = 63%, Black = 100%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.19"]
[Round "6"]
[White "Van Foreest, Lucas"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2481"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,26,25,1,30,0,13,7,0,5,4,7,7,1,12,17,26,27,28,6,14,4,13,16,14,0,0,0,0,-14,0,0,0,0,0,0,0,0,0,-100,-114,-123,-77,-108,-95,-120,-99,-101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Bg5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O {with more complications.} Bd6 7. h3 Be6 8. Ng5 Bd7 9. Nd2) (6. Nc3 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}) 6... Be7 (6... Be6 {keeps more tension.} 7. O-O Qd6 8. Bd2 O-O 9. a3 a5) 7. Nxe5 Nxe4 $1 8. Bxe7 Qxe7 9. dxe4 Qxe5 10. Nc3 O-O $146 ({Predecessor:} 10... Be6 11. O-O Qc5 12. Qd2 O-O 13. Rad1 a5 {0-1 (33) Cicak,S (2512)-Goganov,A (2571) Sweden 2017}) 11. Qd2 f5 12. f4 Qe7 13. e5 Be6 14. O-O Rfd8 15. Qe3 Qb4 16. b3 Qb6 17. Qxb6 axb6 18. Rfd1 b5 19. Kf2 b4 20. Rxd8+ Rxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 21. Rd1 Ra8 22. Na4 $1 Kf7 23. Ke3 b6 24. Rd3 (24. c3 $11 {remains equal.}) 24... c5 $17 {[%cal Bc6c5,Bc5c4][%mdl 32]} 25. Rd1 c4 26. Rb1 Ke7 27. g3 Ra6 28. c3 {[#]} bxc3 (28... c5 $1 $17) 29. Nxc3 $11 {The position is equal.} Ra3 {[%cal Rc4b3]} 30. Nb5 Rxa2 31. Nxc7 cxb3 {And now ...Bg8 would win.} 32. Nxe6 Kxe6 33. Rxb3 Rxh2 34. Rxb6+ {KR-KR} Kf7 35. Rb7+ Kg6 36. Rb3 h5 37. Rb6+ Kf7 38. Rb7+ Kg6 39. e6 Rh1 40. Kf2 Ra1 41. e7 Ra8 42. Kg2 $1 Ra2+ 43. Kf3 Ra3+ 44. Kg2 Ra2+ {Precision: White = 64%, Black = 81%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Vidit, Santosh Gujrathi"]
[Black "Van Foreest, Lucas"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2718"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,20,30,61,0,0,0,0,0,0,0,0,0,0,4,39,31,62,13,13,0,15,14,14,14,14,14,14,0,8,6,12,11,12,8,11,0,0,0,0,0,2,2,7,7,7,7,7,7,7,7,7,0,14,0,0,0,0,0,6,6]} 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Nc6 7. Bb5 {LiveBook: 35 Games} Bb4 $146 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} ({Predecessor:} 7... Be7 8. O-O O-O 9. d4 Bf5 10. Be3 Nxc3 11. bxc3 Na5 12. Nd2 Rc8 13. f4 c5 14. g4 Bd7 15. Bxd7 Qxd7 {½-½ (66) Gelfand,B (2697)-Oparin,G (2602) Moscow 2017}) 8. Qa4 (8. Ne2 $14) 8... O-O $11 9. Bxc6 Nc5 10. Qc2 ({Not} 10. Qb5 $2 bxc6 11. Qxc6 Bb7 $19) 10... bxc6 11. d4 Ne6 12. O-O c5 13. Rd1 cxd4 14. Nxd4 Bb7 15. Nxe6 fxe6 {[#]The position is equal.} 16. Ne4 $1 {[%mdl 512] Threatens to win with Ng5.} Qe7 (16... dxe4 17. Rxd8) 17. Bg5 Qf7 18. a3 Bxa3 19. Rxa3 dxe4 20. Be3 a6 21. Rc3 Rfc8 22. Rc1 h6 23. h3 Rab8 24. Qa4 Bd5 25. Qxa6 c6 26. Qe2 Rb7 27. Ra3 Rcb8 28. Rc2 Rb3 29. Rxb3 Rxb3 30. Rc3 Qb7 31. Rxb3 Qxb3 32. h4 Qb5 33. Qd2 Qb7 34. Qe2 Qf7 35. Qg4 Qf5 36. Qxf5 {Precision: White = 63%, Black = 64%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Amin, Bassem"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2693"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,37,22,18,-9,2,-15,37,29,27,0,0,0,0,0,3,0,-12,-4,48,34]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} Nbd7 7. Qe2 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} h6 8. Bh4 (8. Bxf6 Nxf6 9. O-O-O Qc7 10. Kb1 g6 11. h4 h5 12. g3 Bg4 13. f3 Bd7 14. Bh3 Bxh3 15. Rxh3 {0-1 (55) Jobava,B (2690)-Svidler,P (2765) Riadh 2017}) 8... g6 9. O-O-O e5 10. Nb3 Be7 {LiveBook: 28 Games} 11. Bg3 Qc7 $146 ({Predecessor:} 11... b5 12. Kb1 Qc7 13. f4 Kf8 14. fxe5 dxe5 {0-1 (38) Wagner,B (2043)-Wachinger,N (2032) Willingen 2017}) 12. f4 Nb6 (12... b5 $11) 13. Qf2 Be6 14. f5 gxf5 15. exf5 Bd7 16. Be2 Rc8 {[#] Hoping for ...Nbd5!} 17. Kb1 Rg8 18. Rhe1 Bc6 ({Better is} 18... Rg5 $11) 19. Bf3 {Precision: White = 31%, Black = 42%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Krasenkow, Michal"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2671"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,60,29,36,26,2,31,33,26,30,39,35,54,39,43,37,39,32,38,37,26,18,22,25,19,27,24,12,14,18,14,13,14,8,8,16,11,0,0,0,4,4,6,5,7,0,0,0,16]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 d5 7. Bg2 O-O 8. O-O Rd8 {E11: Bogo-Indian} (8... c6 9. Rc1 Nbd7 10. Qe3 Re8 11. Na3 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qxe5 Rxe5 15. cxd5 Nxd5 16. e4 Nb6 17. Nc2 Kf8 18. Nb4 Re7 {1-0 (60) Yilmaz,M (2633)-Kiriakov,P (2543) Beirut 2017}) 9. Na3 c6 10. Rac1 Nbd7 {White is slightly better.} 11. Rfd1 a5 $146 ({Predecessor:} 11... Nf8 12. Ne5 {½-½ (12) Antic,D (2491)-Pavlovic,M (2481) Subotica 2000}) 12. Ne5 Nf8 13. Nb1 Ne8 14. Qc2 f6 15. Nf3 Nd6 16. Nbd2 Bd7 17. e4 dxe4 18. Nxe4 Nxe4 19. Qxe4 Be8 20. d5 cxd5 {The position is equal.} 21. cxd5 Qb4 22. Qxb4 axb4 23. dxe6 Rxd1+ 24. Rxd1 {[#] And now Nd4 would win.} Nxe6 25. Rd6 Nc5 26. Nd4 Bf7 27. Nc2 Bxa2 28. Nxb4 Bc4 {[#] Threatens to win with ...Ra1+.} 29. Bd5+ Bxd5 30. Nxd5 Kf8 {Precision: White = 47%, Black = 56%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "L'Ami, Erwin"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2634"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,65,32,56,0,56,55,51,57,61,73,80,26,57,29,29,27,30,27,29,30,41,32,58,58,59,58,56,54,55,45,72,50,71,0,0,0,0,0,0,-15,-7,-7,3,-2,-2,-2,-2,-1,-5,-6,-4,-1,-4,-8,-5]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O c6 8. d5 Na6 9. Bg5 h6 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} 10. Bh4 {LiveBook: 42 Games} Qb6 $146 ({Predecessor:} 10... c5 11. Ne1 Bd7 12. a3 Qe8 13. Nd3 h5 14. b4 b6 15. bxc5 Nxc5 16. Nxc5 bxc5 17. Rb1 {0-1 (40) Stocek,J (2566)-Chigaev,M (2555) Katowice 2017}) 11. dxc6 (11. Bxf6 $14 Bxf6 12. dxc6) 11... bxc6 (11... g5 $11 12. Bg3 Qxb2) 12. Bxf6 $14 Bxf6 13. Qxd6 Kg7 14. Na4 ({Inferior is} 14. Nxe5 Rd8 $17) 14... Qb7 15. Qa3 (15. h3 $16) 15... Rb8 16. b3 Bg4 17. Rad1 Rfd8 18. Qc1 (18. Qb2 {keeps more tension.} Bxf3 19. Bxf3 Qb4 20. Qc1 Qe7 21. Qe3) 18... Bxf3 19. Bxf3 Qb4 20. Qe3 Rd4 21. Rxd4 exd4 22. Qe2 {e5 is the strong threat.} Re8 23. Rd1 Qa3 24. Qb2 Qe7 25. Qd2 Nc5 26. Nb2 (26. Nxc5 $16 Qxc5 27. g3) 26... Nxe4 $11 {The position is equal.} 27. Bxe4 Qxe4 28. Nd3 Qe2 29. a4 {[#]} a5 $1 {[%mdl 512]} 30. c5 (30. Qxa5 Qxd1+) 30... Bg5 31. Qxe2 Rxe2 {KRB-KRN} 32. b4 axb4 33. Nxb4 Be7 34. Kf1 Rb2 $1 {[%cal Rb2b4]} 35. Nxc6 Bxc5 36. Nxd4 Rb4 {Precision: White = 54%, Black = 61%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Van Foreest, Jorden"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2629"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,82,16,22,23,21,12,41,30,35,37,26,10,17,24,17,17,17,15,35,15,39,51,64,70,100,110,117,123,119,25,43,10,11,3,68,26,43,3,37,32,29,0,0,-8,16,-2,-17,-10,-2,-12,-12,-13,-18,-17,0,-12,-8,-8,-8,-8,-10,-10,-10,-7,0,-1,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3,Bg3h2][%mdl 32]} h6 6. Bh4 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Be7 7. c3 O-O 8. Bg3 d6 9. O-O Bd7 {LiveBook: 3 Games} 10. h3 Nh5 $146 ({Predecessor:} 10... Nh7 11. Nbd2 Ng5 12. Re1 Nxf3+ 13. Nxf3 Bf6 {½-½ (49) Vachier Lagrave,M (2795)-Malakhov,V (2712) Chartres 2017}) 11. Bh2 g6 12. Nbd2 Bg5 13. Re1 Bf4 14. Nf1 Bxh2+ 15. Kxh2 a6 16. Ba4 Nf4 17. d4 Re8 18. Bc2 Qc8 {[%cal Rd7h3]} 19. Ng1 Na5 20. Ne3 c5 21. dxc5 dxc5 22. g3 Nh5 {[#]} 23. Nd5 (23. Nf5 $1 $16 {[%mdl 512]}) 23... Qd8 $1 $11 24. Qd2 Kg7 25. Rad1 Be6 (25... Bc6 $11) 26. b3 (26. Nf3 $5 {[%cal Rf3e5]}) 26... Nf6 27. Qe3 (27. Nf3 $5 {[%cal Rf3e5]}) 27... b6 28. Nxf6 Qxf6 29. Rd6 Qe7 {The position is equal.} 30. Red1 Qc7 31. Nf3 Nb7 32. R6d2 Rad8 33. Rxd8 Rxd8 34. Rxd8 Nxd8 35. Nd2 Qd6 36. a4 b5 37. axb5 axb5 38. Bd3 Bd7 39. Be2 Nb7 40. h4 Na5 41. Kg1 f6 {Precision: White = 68%, Black = 58%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Tari, Aryan"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2599"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,25,34,27,31,19,31,24,54,34,30,31,68,83,66,21,23,20,24,20,39,33,39,26,58,54,141,130,137,144,222,142,258,282,276,257,286,231,246,247,255,261,239,225,286,280,305,274,260,278,413,417,418,420,571,580,12821,12817]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 {B12: Caro-Kann: Advance Variation} 7. Be2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 8. c3 c4 9. Nbd2 {[%cal Bb3d2,Bd2f1,Bf1e3][%mdl 32]} h6 10. Nf1 Ne7 {LiveBook: 3 Games} 11. Ne3 Bh7 12. g3 b5 13. O-O {[#]} Qa5 $146 ({Predecessor:} 13... Nf5 14. Ng2 {1-0 (44) Anton Guijarro,D (2651)-Lupulescu,C (2620) Heraklio 2017}) 14. Bd2 Nc6 15. Ne1 b4 16. f4 bxc3 17. Bxc3 Bb4 18. Qd2 Rb8 19. f5 Bxf5 20. Nxf5 exf5 21. Rxf5 O-O 22. Rf2 Qb6 {[#]} (22... Nb6 $14) 23. Nc2 $1 $16 Bxc3 24. bxc3 Qb2 (24... Ne7 $16 {might work better.} 25. Bg4 f5) 25. Bh5 Rbe8 (25... Ne7 $16 {was necessary.} 26. Raf1 f5) 26. Raf1 $18 Re7 27. Qe3 Qb7 28. Qf3 g6 29. Bg4 Ncxe5 30. dxe5 Nxe5 31. Qd1 f5 32. Be2 Rd8 33. Qd4 Kh7 34. Rd1 a5 (34... Nc6 $142 35. Qc5 Qb5 36. Qxb5 axb5) 35. Ne3 {[%cal Bc2e3,Be3d5,Bd5f6][%mdl 32]} Nc6 36. Qc5 Rde8 37. Nxd5 Rxe2 38. Nf6+ {Precision: White = 84%, Black = 31%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.20"]
[Round "7"]
[White "Harika, Dronavalli"]
[Black "Bluebaum, Matthias"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2497"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,115,17,14,12,13,34,17,24,7,6,-11,19,27,13,15,34,0,2,0,0,0,0,0,0,-6,0,0,0,-8,0,0,0,0,0,-16,0,-16,-13,-28,-18,-63,-63,-63,-56,-66,-62,-52,-2,-6,0,0,0,0,0,0,0,0,0,0,0,-14,0,-9,-12,-12,0,0,0,0,-2,-37,-13,-18,-14,-8,-15,-11,0,-11,0,-55,-49,-118,-129,-243,-237,-236,-237,-372,-348,-347,-342,-486,-387,-878,-883,-905,-905,-835,-808,-841]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Nxd5 7. N2f3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Bb4+ (7... a6 8. Bd3 Bd6 9. O-O O-O 10. Qe2 h6 11. Bd2 Re8 12. Rfe1 Nd7 13. Nf5 Bf8 {½-½ (33) Mamedov,R (2680)-Najer,E (2706) Kocaeli 2017}) 8. Bd2 O-O 9. c3 {LiveBook: 5 Games. The position is equal.} Bd6 10. Bd3 Nd7 11. O-O a6 $146 ({Predecessor:} 11... N7f6 12. Re1 Qb6 13. c4 Nb4 {½-½ (28) Esnaola San Sebastian,J (2128)-Doye,P (2330) ICCF email 2006}) 12. Re1 Qc7 13. Qe2 {[#] And now Nxe6! would win.} Nf4 14. Bxf4 $1 Bxf4 15. Rad1 Nf6 16. Ne5 b5 17. g3 (17. Ndf3 {seems wilder.} Rd8 18. g3 Bxe5 19. Nxe5 Bb7 20. Bc2) 17... Bxe5 18. Qxe5 Qxe5 19. Rxe5 Bb7 20. Ree1 Rfd8 21. Be2 Bd5 22. Bf3 (22. a3 {keeps more tension.} Ne4 23. f4 Nd6 24. Kf2 g6 25. g4) 22... Rac8 23. Bxd5 Nxd5 24. f4 g6 25. Kf2 Nb6 26. Re2 Rd5 27. a3 a5 28. Ra1 b4 29. axb4 axb4 30. Ra6 bxc3 31. bxc3 Nc4 32. Rea2 Kg7 33. Ra8 $36 {[%mdl 2048] White has the initiative.} Rc7 34. R8a7 Rdd7 35. Rxc7 Rxc7 $11 {[%mdl 4096] Endgame KRN-KRN} 36. Ke2 e5 37. fxe5 Nxe5 38. Rc2 Re7 39. Kd1 Ng4 {Threatens to win with ...Ne3+.} 40. Kc1 Rc7 41. Kb2 Ne3 42. Rc1 Rb7+ 43. Ka2 Kf6 44. Nc2 Nc4 45. Nb4 $1 Kg5 46. Kb3 Nd2+ 47. Kc2 Ne4 48. Rf1 (48. Kd3 $11 f5 49. Nd5) 48... Rd7 $15 49. Rf4 (49. c4 $1 $15) 49... f5 $17 {aiming for ...Rd2+.} 50. Rh4 (50. h4+ $17 Kf6 51. Rf3) 50... h5 $19 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 51. c4 Rd2+ 52. Kb3 {[#]} (52. Kc1 $142 Rd4 53. Kb2) 52... Kh6 $1 53. Rf4 Rxh2 54. Ka4 (54. Nd3 {might work better.} Rg2 55. c5) 54... Rh3 55. Rf3 $2 (55. Kb5 g5 56. Rf1) 55... h4 {Black is clearly winning.} 56. Nd5 Rxg3 57. Rf1 h3 58. Kb5 {Precision: White = 46%, Black = 62%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Korobov, Anton"]
[Black "Amin, Bassem"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2652"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,80,0,0,0,-10,-47,-12,-58,53,66,62,36,29,29,72,83,75,60,76,61,59,75,104,106,115,64,111,100,158,156,196,211,200,175,208,-67,-68,-59,-39,-265,-218,-201,-195,-1381,-1354,-6238,-29967,-6187,-5891,-1909,-1327,-1608,-1427,-5585,-5314]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. Qd2 exd5 10. cxd5 a6 11. a4 h5 12. Nge2 Nbd7 13. Nc1 Ne5 {A65: Modern Benoni: 6 e4} 14. Be2 Nh7 {LiveBook: 24 Games} (14... Rb8 15. O-O Qe8 16. Rb1 Bd7 17. b4 cxb4 18. Rxb4 b5 19. axb5 axb5 20. N1a2 Nc4 21. Bxc4 bxc4 22. Rxc4 {½-½ (52) Milanovic,D (2507)-Kislinsky,A (2451) Belgrade 2016}) 15. h3 f5 {The position is equal.} 16. f4 Nf7 $1 17. exf5 $146 ({Predecessor:} 17. Nd3 Re8 18. Nf2 Qe7 19. g4 Nf6 20. Rg1 fxe4 21. O-O-O {0-1 (38) Yakubboev,N (2131)-Alikulov,E (2212) Tashkent 2014}) 17... gxf5 ({Black should play} 17... Bxf5 $15 18. O-O Nf6) 18. O-O $14 Nf6 19. Bf2 Bd7 20. a5 Bb5 21. Re1 Re8 22. Qc2 (22. Nxb5 $6 Ne4 $11) (22. Bxb5 axb5 23. Rxe8+ Qxe8 $11) 22... Qd7 23. Bf3 Rxe1+ 24. Bxe1 Re8 25. N1e2 Ng4 26. Nxb5 (26. Bh4 $16) 26... axb5 27. Bc3 {Bxg7 is the strong threat.} (27. hxg4 $6 hxg4 28. Bxg4 fxg4 $11) 27... Nfh6 (27... Ne3 $142 28. Qd3 Bxc3 29. Qxc3 Qd8) 28. Ng3 $1 $16 {[%cal Rg3h5]} (28. Bxg7 $6 Qxg7 29. Qc3 Nf6 $14) 28... Bxc3 29. Qxc3 (29. bxc3 Qe7) 29... b4 30. Qd2 h4 31. hxg4 $2 (31. Nh5 Qf7 $11) (31. Nf1 $1 $18) 31... hxg3 $15 32. g5 Qg7 $1 {Threatens to win with ...Nf7.} 33. Bh5 $2 ({Only move:} 33. Kf1 $1 $15) 33... Nf7 $19 34. Qd3 Qxb2 35. Bxf7+ $2 {[#]} (35. Rf1 Re1 36. Qxg3 Rxf1+ 37. Kxf1) 35... Kg7 $1 {( -> ...Qf2+)} ({Weaker is} 35... Kxf7 36. Qxf5+ Kg7 37. Qd7+ Kf8 38. Qf5+ (38. Qxd6+ Re7 $17) 38... Kg8 39. Qg6+ Kf8 40. Qf5+ (40. Qxd6+ Re7 $17) 40... Kg8 41. Qg6+ Kf8 42. Qf5+ $11 (42. Qxd6+ Re7 $17)) 36. Bxe8 Qxa1+ 37. Qf1 Qd4+ {Black is clearly winning.} 38. Kh1 b3 {And now ...Kg8 would win.} 39. Qe1 {[#]} Kf8 $1 40. Bh5 Qe4 {Precision: White = 41%, Black = 69%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Bluebaum, Matthias"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2640"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,98,23,19,18,12,60,37,58,37,49,65,81,70,67,50,51,66,58,21,20,20,11,0,0,0,0,0,0,0,0,-5,0,-5,-12,0,0,-11,-8,-31,-12,-25,-20,-29,-28,-105,-132,-145,-150,-145,-145,-144,-134,-129,-93,-109,-57,-37,0,0,0,-47,-62,-50,-93,-40,-23,-149,-147,-154,-149,-354,-327,-339,-346,-321,-241,-205,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 O-O 7. Bg2 Nbd7 8. O-O b6 {E11: Bogo-Indian} (8... c6 9. Qc2 b6 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 Bb7 13. Rac1 Qe7 14. c5 Rfe8 15. Qe3 e5 16. Rfe1 Qe6 17. Nxe5 Qxa2 {1-0 (51) Cheparinov,I (2681)-Demchenko,A (2615) Jerusalem 2015}) 9. cxd5 Nxd5 10. Rc1 Bb7 {White is slightly better.} 11. Qb3 $146 ({Predecessor:} 11. e4 N5f6 12. Qe2 Rc8 13. Rfd1 Qe7 14. e5 Nd5 15. Ne4 h6 {1-0 (38) Cernousek,L (2455)-Bokros,A (2464) Slovakia 2014}) 11... Rc8 12. Nc4 Ba8 13. Qa4 a5 14. Nce5 Nxe5 15. Nxe5 Qd6 16. Nc6 Bxc6 17. Rxc6 Qb4 18. Qxb4 (18. Qc2 {is more complex.} Qxd4 19. e3 Qe5 20. Bxd5 exd5 21. Rc1) 18... Nxb4 19. Rc4 Nxa2 20. e3 c6 21. Bxc6 Rc7 22. d5 Nb4 23. Rfc1 exd5 24. Bxd5 Rd7 $36 {[%mdl 2048] Black fights for an advantage.} 25. Bf3 Rd2 26. b3 g6 27. Rd1 Rfd8 28. Rxd2 Rxd2 $11 {[%mdl 4096] Endgame KRB-KRN} 29. Kf1 (29. Rc7 $11 {remains equal.}) 29... Rd3 $17 30. Rc8+ Kg7 31. Be2 Rxb3 32. Rc7 Nd3 33. Ra7 h5 34. f4 Nb2 (34... Nc5 $17 35. Bc4 Rxe3 36. Bxf7 Rd3 37. Bc4+ Rd7 38. Rxd7+ Nxd7) 35. e4 $15 a4 36. e5 Kf8 37. Kg2 a3 {White must now prevent ...Nd3.} 38. Kh3 $1 Re3 39. Bf1 Kg7 40. Kh4 (40. Bb5 $11) 40... Kh6 $1 $17 41. Bb5 Nd3 $1 42. Be8 $2 {[#]} ({Not} 42. Rxa3 $2 Nxf4 $1 {[%mdl 512]} 43. gxf4 Rxa3 $19) (42. Bxd3 $17 {keeps fighting.} Rxd3 43. g4) 42... f6 $1 $19 {[%mdl 512]} 43. exf6 {Strongly threatening Bc6.} Rxe8 44. Rxa3 {KRN-KR} Nc5 45. g4 {[#]} hxg4 $2 ({Black should play} 45... Rd8 $1 $19 46. g5+ Kh7) 46. Kxg4 $11 {[%cal Ra3h3] The position is equal.} Kh7 {...Rf8 is the strong threat.} 47. Ra7+ Kh6 {And now ...Re6 would win.} 48. Ra3 {[%cal Ra3h3]} Kh7 {aiming for ...Rf8.} 49. Ra7+ Kh6 {Precision: White = 46%, Black = 72%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Xiong, Jeffery"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2634"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,63,5,14,30,18,31,-4,21,20,15,12,24,-4,12,10,11,10,24,19,20,-20,0,-9,-13,-7,-4,0,0,0,0,0,0,-8,15,14,5,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Bd6 {E05: Open Catalan: 5 Nf3 Be7} 11. Re1 Be4 12. Qc1 Bb7 13. a3 Nbd7 14. b4 {LiveBook: 4 Games} Qc8 15. Nc3 Ne4 16. Qc2 {[#]} Ndf6 $146 ({Predecessor:} 16... f5 17. Nxe4 Bxe4 18. Qc1 {½-½ (26) Harikrishna,P (2645)-Alekseev,E (2691) Khanty-Mansiysk 2010}) 17. Rac1 h6 18. Red1 Re8 19. Nb1 {[#]} a5 $1 {[%mdl 512]} 20. Be1 $1 (20. bxa5 Nxd2) 20... axb4 21. axb4 Nd7 22. Ne5 Nef6 {The position is equal.} 23. Nc6 Nb8 24. Nxb8 {[#] Strongly threatening Bxb7.} Bxg2 25. Kxg2 {aiming for Nc6.} Qxb8 26. Qc6 Nd5 27. Nc3 Nxc3 28. Bxc3 Ra4 29. Kg1 Bxb4 30. Bxb4 Rxb4 31. Qxc7 Rb2 32. e3 {Precision: White = 45%, Black = 50%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Van Foreest, Jorden"]
[Black "Tari, Aryan"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2629"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,43,9,9,9,2,0,12,6,6,0,0,0,0,0,0,0,0,0,0,0,159,149,783,778]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6,Bb6c4][%mdl 32]} 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 g6 {C45: Scotch Game} 11. Bd2 Ba6 {[%cal Ra6c4] LiveBook: 4 Games} (11... Bg7 12. c5 Nd5 13. Bc4 Qxe5 14. Qxe5+ Bxe5 15. Bxd5 cxd5 16. O-O-O O-O 17. Nxd5 Rb8 18. Bc3 Bxc3 19. Nxc3 {1-0 (49) Yu,Y (2729)-Dominguez Perez,L (2739) Doha 2016}) 12. c5 Nc4 {The position is equal.} 13. Bg5 Bxc5 14. O-O-O {Hoping for b3.} O-O $1 $132 {[%mdl 2048] Black is fighting back} (14... Bxf2 $6 15. b3 $16) 15. Qf4 {Ne4 is the strong threat.} d5 16. exd6 $146 ({Predecessor:} 16. b3 f6 17. Bxf6 Rab8 18. h4 Be7 19. Qd4 Bc8 20. Bxe7 Qxe7 21. bxc4 Qa3+ 22. Kd2 Rb2+ 23. Ke1 Rbxf2 24. Ne2 Qb4+ {½-½ (24) Werner,J (2401)-Packroff,H (2251) GER email 2016}) 16... Bxd6 ({But not} 16... cxd6 17. Ne4 $16) 17. Rxd6 cxd6 18. Bf6 d5 {White must now prevent ...Rfe8.} 19. b3 $1 Rab8 20. Be2 c5 $2 {[#]} ({Black should try} 20... Rb4 $11) 21. Rd1 $1 $16 {[%mdl 1024] White has strong compensation.} Rfe8 $2 {[%mdl 8192]} (21... Rb4 $16 22. Nxd5 Nd6) 22. Nxd5 {Precision: White = 90%, Black = 48%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Gordievsky, Dmitry"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2622"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,0,-7,0,-21,-7,-22,-25,-39,-27,-50,-18,-23,-14,-27,0,-20,-8,-11,-6,-9,-12,4,10,-79,-34,-43,-41,-41,-5,-64,-62,-74,-71,-71,-78,-75,-81,-505,-499,-935,-931]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. d3 Be7 8. a3 O-O 9. Nbd2 a5 10. b3 Be6 11. Bb2 f6 12. Qc2 Qd7 {A20: English Opening: 1...e5} 13. Nc4 {LiveBook: 3 Games} Rfd8 {[#]} 14. Rfc1 $146 ({Predecessor:} 14. Rfd1 Qe8 15. d4 a4 16. Ncd2 exd4 17. b4 Qh5 18. Qd3 Bf5 19. Ne4 Ne5 20. Nxe5 fxe5 {0-1 (90) Ponomariov,R (2723)-Vachier Lagrave,M (2710) Beijing 2011}) 14... Qe8 {The position is equal.} 15. Nxb6 cxb6 16. Nd2 {[%cal Rg2c6]} Rac8 17. a4 Bc5 (17... b5 $5) 18. Qd1 h5 19. Nc4 Qe7 20. e3 Bg4 21. Qf1 Nb4 22. Rd1 Bxd1 23. Rxd1 Qf7 24. Kh1 {[#]} (24. d4 $11 exd4 25. exd4) 24... h4 $1 25. Qe2 (25. gxh4 Qh5) 25... hxg3 26. fxg3 Bf8 {next ...b5! is good for Black.} 27. g4 {[#]} (27. Be4 $11) 27... b5 $1 $15 28. axb5 {[#]} a4 $1 $36 {[%cal Ba5a4,Ba4b3,Bb3b2][%mdl 2592] Black has strong initiative.} 29. g5 (29. bxa4 Nxd3) 29... axb3 {aiming for ...Nxd3!} 30. Be4 {[#] Hoping for g6.} Nxd3 $1 {[%mdl 512]} 31. Rxd3 $4 {[%mdl 8192]} (31. Bxd3 $17 Rxd3 32. Qxd3 Qxc4 33. gxf6) 31... Qxc4 $19 32. Bd4 (32. Bf5 $142 Rxd3 33. Bxd3 Qd5+ 34. e4) 32... b2 {Precision: White = 30%, Black = 42%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Bok, Benjamin"]
[Black "Van Foreest, Lucas"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2607"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,43,19,20,81,86,61,71,46,64,77,60,91,91,95,97,121,123,116,108,161,168]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 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 {LiveBook: 68 Games} Qxd1 (13... Bxc5 $11 14. Nc3 Bc6) 14. Rxd1 $16 {White is better.} Bxc5 15. Nc3 Bc6 16. Ne5 Bxg2 17. Kxg2 {[#]} h6 $146 ({Find the theoretical novelty and annotate with similar games:} 17... b6 18. Bxf6 gxf6 19. Nd7 Nxd7 20. Rxd7 {½-½ (31) Pigusov,E (2613)-Kruppa,Y (2552) Panormo 2001}) 18. Bxf6 $1 gxf6 19. Ne4 fxe5 20. Nxc5 b6 {[#]} 21. Ne4 $1 Nc6 (21... Ra7 $16) 22. Rac1 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.21"]
[Round "8"]
[White "Girya, Olga"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2489"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,82,27,62,48,85,0,0,0,0,0,0,-61,-55,-95,-93,-93,-87,-96,-87,-87,-64,-147,-106,-145,-105,-112,-112,-109,-112,-131,-128,-170,-160,-152,-140,-170,-191,-159,-167,-556,-534,-501,-498,-487,-328,-29992,-29993,-29993,-2678]} 1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7 15. Nd2 Qc7 16. f4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} a4 17. Rb1 Rfd8 18. Qe2 b3 {LiveBook: 8 Games. White should prevent ...a3.} 19. Ra1 $1 {[#]} g6 $146 ({Predecessor:} 19... Nb8 20. f5 Nc6 21. fxe6 fxe6 22. Ne4 Nxe4 23. Bxe4 Nb4 24. Bb1 Ba6 25. Rc1 Bb7 26. Rf1 Rdc8 27. Qg4 Re8 {1-0 (27) Sjugirov,S (2666)-Dreev,A (2649) Rostov on Don 2014}) 20. Kh1 (20. Rf2 $16) 20... Nh5 $1 $11 21. Ne4 f5 22. Ng5 Re8 23. Ba3 (23. Ra3 $11) 23... Nhf6 $15 24. Rac1 h6 25. Nf3 Be4 $1 26. Nd2 Bxd3 27. Qxd3 Qc6 28. Ra1 (28. Kg1 $15) 28... Rec8 $36 {[%mdl 2048] Black is on the roll.} 29. Rfc1 Nb6 30. Kg1 Ne4 31. c5 {[#]} Nd7 $1 32. Nc4 Kh7 33. Bb2 Rg8 34. Rd1 Qd5 35. Ne5 g5 {[%cal Bg6g5,Bg5f4,Bf4f3][%mdl 32] Hoping for ...gxf4.} 36. Nxd7 Qxd7 37. Qc4 $2 (37. d5) 37... gxf4 $19 {( -> ...Rxg2+)} 38. d5 f3 39. g3 Qc7 {White must now prevent ...Rxg3+!} 40. dxe6 $2 (40. d6 $19 Qxc5 41. Qxc5 Nxc5 42. Kf2) 40... Rxg3+ 41. Kf1 {[#]} Rg7 $1 {[%mdl 512] Precision: White = 24%, Black = 75%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Vidit, Santosh Gujrathi"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2718"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,87,0,0,10,10,11,11,10,9,18,20,16,15,22,12,18,16,16,14,18,12,8,13,29,31,45,52,52,18,24,18,27,16,23,5,14,0,0,0,0,0,21,7,24,0,0,2,103,24,25,21,21,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. cxd5 cxd5 11. Rc1 {E08: Closed Catalan: Main Line: 7 Qc2} Bb7 12. Qb3 Rc8 13. Rxc8 Qxc8 14. Nc3 {LiveBook: 4 Games} Nh5 15. Bg5 Bxg5 16. Nxg5 {[#]} h6 $146 ({Predecessor:} 16... Nhf6 17. e3 Qb8 18. Bf1 Rc8 {½-½ (56) So,W (2788)-Karjakin,S (2760) London 2017}) 17. Nf3 Qb8 18. e3 Nhf6 19. Bf1 Rc8 20. a4 a5 21. Rc1 Qa8 22. Rc2 Ba6 23. Bxa6 Qxa6 24. Nb5 Ne4 25. Ne1 {[%cal Bf3e1,Be1d3,Bd3e5][%mdl 32]} Nb8 26. f3 Nf6 $1 27. Nd3 Rxc2 28. Qxc2 {[#] Qc7 is the strong threat.} Qb7 29. Ne5 {Threatens to win with Nd6.} Ne8 $1 30. e4 f6 31. Ng6 $36 {[%mdl 2048] White fights for an advantage.} dxe4 32. fxe4 Kf7 $1 {[%cal Rf7g6]} 33. Nf4 {Hoping for d5.} Qc6 34. Qe2 g5 35. Nd3 Ke7 36. b3 Kf8 (36... Nd6 $11) 37. d5 ({White should play} 37. Qh5 $16) 37... exd5 $11 38. exd5 Qd7 $1 {The position is equal.} ({Don't go for} 38... Qxd5 $2 {[#]} 39. Qxe8+ $1 {[%mdl 512]} Kxe8 40. Nc7+ Kf7 41. Nxd5 $18) 39. Qf3 Qe7 40. Nd4 Ng7 41. Kf2 Nd7 42. Qe3 f5 43. Nc6 Qa3 44. Nce5 {Precision: White = 56%, Black = 60%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Amin, Bassem"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2693"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,141,0,-4,-14,0,-9,0,-13,10,-8,13,7,16,14,16,8,23,0,38,22,22,26,36,36,53,44,95,70,158,154,152,154,168,117,117,110,110,105,138,140,125,102,152,159,159,157,158,157,150,160,181,179,179,179,181,180,205,207,207,202,206,181,194,165,182,182,181,181,181,173,173,172,172,172,172,172,172,147,172,172,172,172,173,173,173,173,173,173,189,189,189,189,682,669,653,637,658,664,595,581,574,572,781,528,748,781,777,737,699,669,12839,12840,12840,12841,12839,12840]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 Nf6 7. b3 Be7 8. Bb2 O-O 9. c4 Nbd7 10. a3 a5 11. Ra2 Bh7 12. Qa1 {A12: English Opening: 1...c6 with b3 by White} Re8 13. Ne5 Bf8 14. Nxd7 Nxd7 {LiveBook: 4 Games} 15. Rc1 {[#]} Bg6 $146 ({Predecessor:} 15... Nc5 16. Bd4 e5 17. Bxc5 Bxc5 18. cxd5 Bd4 19. Qb1 cxd5 {½-½ (53) Bischoff,K (2505)-Horvath,J (2510) Prague 1989}) 16. Bc3 Bh5 17. Kf1 Qg5 18. h3 Rec8 19. b4 axb4 20. axb4 Qd8 21. Rcc2 Bg6 22. Ra5 d4 23. Bxd4 Bxb4 24. Raa2 Nc5 25. Kg1 f6 26. Be3 {Threatens to win with Qb1.} Qf8 ({Better is} 26... Rxa2 $14 27. Rxa2 Na6) 27. Qb1 $16 Na4 {[#]} (27... Rxa2 $14 28. Rxa2 Na6) 28. c5 $1 {[%mdl 512]} Bxd2 (28... Nxc5 29. Qxb4) 29. Bxd2 Nxc5 30. Bb4 (30. Rxa8 $18 Rxa8 31. Qb6) 30... b6 31. Rxa8 Rxa8 32. Bxc6 Rd8 33. Ba3 $36 {[%mdl 2048] Keeping Black busy.} Rb8 34. Rb2 Qc8 35. Rxb6 Rxb6 36. Qxb6 Nd7 37. Qb7 Qxb7 38. Bxb7 {[%mdl 4096] Endgame KBB-KBN} h5 39. f4 Be8 40. Bd6 Nb6 41. Kf2 f5 42. Ke3 Ba4 43. Kd4 Kf7 44. e3 g6 45. Kc5 Nd7+ 46. Kb4 Bd1 47. Bc6 Nf6 48. Kc3 Nd5+ 49. Kd4 Be2 50. e4 fxe4 51. dxe4 Nf6 52. Be5 Ng8 53. Kc5 Bf1 54. h4 Bd3 55. Kd6 Ne7 56. Bb7 Bc2 57. Bd4 Ba4 58. Ba6 {[#] Bc4 is the strong threat.} Bb3 59. Bb5 Bc2 $2 (59... Ng8 60. Bc6 Bc4) 60. Bc4 $18 {White is clearly winning.} Bxe4 61. Bxe6+ Ke8 62. Ke5 Bf5 {intending ...Nc6+.} 63. Bf2 Bd3 64. Kf6 Be4 65. Be1 Nd5+ 66. Ke5 Nc7 67. Bc4 Bb7 68. Ba5 Ba6 69. Bxa6 Nxa6 70. Kf6 Nc5 71. Kxg6 {Precision: White = 69%, Black = 44%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Krasenkow, Michal"]
[Black "Van Foreest, Jorden"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2671"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,134,21,47,24,31,20,21,18,14,5,15,0,0,0,12,0,56,39,46,39,112,119,108,116,107,123,100,105,105,112,145,128,142,134,156,141,152,127,134,134,125,87,69,-14,-20,-12,-8,-90,-90,-96,-96,-94,-91,-97,-96,-89,-88,-98,-99,-106,-106,-110,-110,-136,-129,-125,-103,-137,-138,-215,-222,-218,-238,-213,-213,-213,-213,-213,-204,-442,-437,-464,-462,-553,-553,-504,-462,-462,-462,-462,-445,-991,-1005,-1012,-971,-1310,-1289,-1293,-1289,-1285,-1293,-1293,-1281,-1288,-1278,-1256,-1242,-1092,-948,-2043,-2142,-2142,-1513,-29978,-29979,-29982,-29983,-29981,-29981,-29981,-29982,-29983,-29984,-29984,-29985,-29982,-12798]} 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 (5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Nge7 9. Nb3 d3 10. Bxd3 Bg4 11. h3 Bh5 12. Be2 Qxd1 13. Rfxd1 Bg6 14. Nc5 b6 15. Na6 O-O 16. Nxc7 {1-0 (58) Dubov,D (2677)-Jankovic,A (2575) Heraklio 2017}) 5... Nf6 {LiveBook: 3 Games} 6. Bxc4 {Qb3 is the strong threat. D20: Queen's Gambit Accepted: 3 e3 and 3 e4} (6. Nxe5 {NOTEXT} b5 7. f3 O-O 8. Be3 Bb7 9. Be2) 6... exd4 7. Nxd4 O-O 8. O-O {The position is equal.} Bxc3 9. bxc3 {aiming for Ba3.} Nxe4 10. Qf3 $146 ({Find the theoretical novelty and annotate with similar games:} 10. Qd3 Nf6 {0-1 (35) Kordela,M-Erben,T Orlova 2009}) 10... Nd6 11. Bb3 Nd7 12. Re1 Qh4 ({Black should try} 12... Nf6 $11) 13. Bf4 Nf6 14. Re7 Nd5 (14... Bg4 $1 $14 15. Bg3 Qg5) 15. Bxd6 $1 $16 {Threatening mate with Qxf7+!} Nxe7 {[#]} 16. g3 $1 $36 {[%cal Rg3h4][%mdl 2048] Black is under strong pressure.} Qg4 17. Qxg4 Bxg4 18. Bxe7 Rfe8 19. Bg5 Bd7 20. a4 Re5 21. Bf4 Rc5 22. c4 a6 23. h4 Re8 24. Rd1 h6 25. Nc2 Be6 26. Nb4 (26. Rd4 $14) 26... Bxc4 $11 27. Rc1 Bd5 $1 {( -> ...Rxc1+)} 28. Nxd5 (28. Bc2 $11) 28... Rxc1+ $17 29. Bxc1 {Threatens to win with Kg2.} Re1+ 30. Kg2 {Hoping for Be3.} Rxc1 31. Kf3 c5 32. Ke2 Kf8 33. Kd2 {[#]} Rf1 $1 {[%cal Rf1f2]} 34. Ke2 Ra1 35. Kd2 b5 {White must now prevent ...c4.} 36. axb5 axb5 37. Ne3 Ra3 38. Bc2 g6 39. Nd5 (39. g4 $17) 39... c4 $19 40. Ke2 h5 41. Kd2 Kg7 42. Be4 f5 43. Bc2 Kf7 44. Ke2 $2 (44. Bb1 {was the only chance.}) 44... Ra7 45. Ke3 Rd7 46. Nb4 Ke6 47. f3 Ke5 48. g4 hxg4 49. fxg4 Rh7 50. gxf5 (50. h5 $142 gxh5 51. Bxf5) 50... gxf5 51. Nc6+ Kd5 52. Bxf5 Rxh4 53. Nb4+ Kc5 54. Na6+ Kb6 55. Nb4 Ka5 56. Nc6+ Ka4 57. Nd4 b4 58. Nf3 Rh8 59. Kd2 Kb3 60. Be6 Rd8+ 61. Kc1 Kc3 {Black mates.} 62. Ng1 Rd2 63. Bg4 Rc2+ 64. Kd1 b3 65. Ne2+ Kb2 66. Nd4 c3 67. Ke1 Rd2 {Precision: White = 43%, Black = 81%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "L'Ami, Erwin"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2634"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,116,22,20,25,16,7,14,0,0,0,0,0,7,-13,0,-150,-143,-152,-141,-202,-214,-187,-122,-186,-178,-371,-396,-371,-392,-320,-354,-401,-389,-378,-367,-365,-343,-337,-310,-314,-292,-346,-43,-342,-341,-294,-288,-267,-267,-260,-265,-557,-542,-533,-529,-471,-297,-329,-320,-319,-299,-289,-296,-12845,-12849,-12848,-12849,-29937,-12850,-29939,-29938,-7948,-404,-29961,-29962,-29971,-29972,-29972,-29973,-29973,-29974,-29975,-29975,-29975,-29976,-29974,-29977,-29977,-29978,-29978,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29981]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nc6 6. Bb5 Nxc3 7. bxc3 Bd7 8. O-O e6 9. d4 Be7 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 10. e4 O-O {LiveBook: 4 Games} 11. Be2 (11. Re1 cxd4 12. cxd4 Rc8 13. Ba4 Nb4 14. Bb3 Bb5 15. Re3 Qb6 16. a4 Bc4 17. a5 {1-0 (39) Adams,M (2738)-Xiong,J (2633) Douglas 2017}) 11... Qc7 {White has an edge.} 12. Be3 Rfd8 13. Rc1 $146 ({Predecessor:} 13. Rb1 Na5 {½-½ (61) Wirthensohn,H (2375)-Giertz,N (2305) Switzerland 1997}) 13... Rac8 14. Qb3 Na5 15. Qb1 Ba4 16. Ne5 Nc6 17. Nxf7 (17. Nf3 $11) 17... Kxf7 $17 18. d5 Na5 ({Inferior is} 18... exd5 19. exd5 Kg8 20. Qe4 $16 (20. dxc6 Bxc6 21. Bg4 Ra8 $11)) 19. dxe6+ Kg8 ({Much less strong is} 19... Kxe6 20. e5 $1 {[%mdl 512]}) 20. f4 {[#]} c4 (20... b5 $1 $19 {White must now prevent ...Nc4.} 21. f5 (21. Bxb5 Rb8) 21... c4) 21. Bxa7 (21. Kh1 $17) 21... Rd2 22. Bg4 $2 (22. Rce1) 22... b5 $19 23. Be3 Rd3 24. Rce1 Rxc3 25. e5 {[#]} Rxe3 $1 {[%mdl 512]} 26. Rxe3 Bc5 27. Qe4 Bxe3+ 28. Qxe3 {intending f5.} Qc5 29. Kf2 c3 30. e7 {Intending Qxc5 and mate.} Qxe3+ $1 31. Kxe3 Re8 $1 32. Rc1 b4 $1 ({Not} 32... Rxe7 33. Rxc3 Nc4+ 34. Kd4 $15) 33. Be6+ Kh8 34. a3 Rxe7 35. Bd5 $2 (35. axb4 Rxe6 36. bxa5) 35... Nb3 36. Bxb3 Bxb3 37. axb4 {[%mdl 4096] Endgame KRB-KR} c2 38. Kd2 Rd7+ 39. Kc3 Rd1 40. Kb2 {[#]} Ba4 $1 41. b5 $2 {[#]} (41. g4) 41... Rxc1 $1 42. Kxc1 Bxb5 43. Kxc2 {KB-KP} Kg8 44. Kd2 Kf7 45. Ke3 Ke6 (45... Bc6 $142 46. g3 Ke6) 46. g4 (46. Kd4 $19 Bf1 47. g3) 46... Kd5 {Black mates.} 47. h4 Bd7 48. Kf3 Bc8 49. h5 h6 50. g5 Bf5 51. Ke3 Bg4 52. gxh6 gxh6 53. Kd3 Bxh5 {KB-KPP} 54. Ke3 Ke6 55. Kf2 Kf5 56. Kg3 Bf7 57. Kf3 h5 58. Kg3 Ke4 {Precision: White = 41%, Black = 81%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Tari, Aryan"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2599"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,35,-30,0,-13,1,3,20,0,0,-8,-8,-41,-37,-27,0,0,0,0,0,0,0,0]} 1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. d4 dxc4 5. Nf3 g6 6. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (6. a4 Bg7 7. O-O Ne4 8. Qc2 Nd6 9. e4 Na6 10. Ne5 c5 11. dxc5 Nxc5 12. Nxc4 Be6 13. Nxd6+ exd6 {1-0 (52) Cheparinov,I (2710)-Dreev,A (2653) Riadh 2017}) 6... Bg7 7. Qc2 b5 8. Nbd2 O-O {LiveBook: 3 Games} 9. b3 cxb3 10. axb3 Bb7 11. Bb2 Na6 12. Ne5 $146 ({Predecessor:} 12. Ne4) 12... Nb4 13. Qc5 a5 14. Ba3 Nd7 15. Nxd7 {The position is equal.} Qxd7 16. Bxb4 axb4 17. e3 {[#]} e5 $1 {[%cal Re5d4][%mdl 512]} 18. Nf3 (18. dxe5 Rxa1) 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Harika, Dronavalli"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2497"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,155,8,17,26,10,25,26,33,0,22,21,19,19,41,9,24,14,45,39,40,46,41,43,52,30,40,30,54,40,62,57,70,0,67,0,89,100,158,114,244,221,250,231,286,243,285,190,263,256,260,256,267,258,246,173,192,166,181,147,140,114,116,123,179,118,162,126,139,130,142,121,217,264,276,281,236,251,233,213,218,72,213,43,35,9,880,860,719,246,247,207,153,155,158,156,154,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 d6 9. e3 Nbd7 10. Rc1 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (10. Qe2) 10... e6 11. d4 {LiveBook: 3 Games} Qe7 12. Qe2 {White has an edge.} a6 $146 ({Predecessor:} 12... Ne4 13. Nxe4 Bxe4 14. dxc5 dxc5 15. Bxg7 Kxg7 16. Rfd1 Rad8 {½-½ (29) Schmidt,W (2505)-Adamski,J (2430) Lubniewice 1981}) 13. Rfd1 Rac8 14. Na4 Rfd8 15. dxc5 bxc5 16. Bc3 h5 17. Ne1 Bxg2 18. Nxg2 Nf8 19. f3 N8d7 20. Rc2 {[%cal Bc1c2,Bc2d2,Bd2d3][%mdl 32]} Nb8 21. Rcd2 Nc6 22. Rd3 Rb8 23. Nf4 Nb4 24. R3d2 Qc7 25. Nd3 Nc6 26. Nf4 (26. Nf2 $14) 26... Ne7 ({Better is} 26... Nb4 $11) 27. Nd3 (27. Nh3 $14) 27... Kh7 (27... Nc6 $1 $11) 28. Nf2 $16 Neg8 (28... d5 $142) 29. Rd3 Qc6 (29... d5 $16 {might work better.}) 30. e4 $18 Ne8 31. Bxg7 Nxg7 32. Qe3 Qc7 33. e5 Nf5 (33... d5 {was necessary.} 34. cxd5 Rxd5 35. Rxd5 exd5) 34. exd6 Rxd6 35. Qxc5 Rc6 36. Qa3 Nf6 37. Ne4 Qa7+ 38. c5 e5 39. Nxf6+ Rxf6 40. Qb2 Nd4 {[#]} 41. f4 $1 {[%mdl 512]} Re8 (41... Rf5 $16 42. Nb6 a5) (41... exf4 42. Qxd4) 42. Nb6 (42. Nc3 $1 $18 {[%cal Rc3e4]} Qa8 43. Qg2 Qxg2+ 44. Kxg2) 42... Rf5 43. b4 a5 44. a3 axb4 45. axb4 Rd8 (45... Rb8 $16 {was worth a try.} 46. Nc4 Qa4) 46. Nc4 Nf3+ 47. Kf2 $1 Rxd3 48. Rxd3 Nxh2 49. Nxe5 Qa8 50. Kg1 (50. Qc3 $18 {and White stays clearly on top.}) 50... Ng4 $16 {[#]} 51. Nxg4 $2 (51. Nf3 $1 $18) 51... hxg4 $18 {[%mdl 4096] Endgame KQR-KQR} 52. Rd2 {Strongly threatening Rh2+.} f6 $2 {[%mdl 8192] [#]} (52... Rh5 $11 53. Rh2 Qf3) 53. Qa2 $1 Qe8 54. Rh2+ $2 (54. Re2 Qd8 55. Rh2+ Rh5 56. Rxh5+ gxh5 57. Qc2+ Kg7 58. c6) 54... Rh5 {intending ...Qe1+.} 55. Rxh5+ gxh5 {KQ-KQ} 56. Qc2+ Kg7 57. Kf2 Qc6 {White should prevent ...Qf3+.} 58. Qd3 $2 (58. Qc3 $16) 58... Qh1 $1 $11 {The position is equal.} 59. Qe3 {b5 is the strong threat.} Qh2+ 60. Ke1 h4 61. Qe7+ Kg6 62. Qe8+ Kf5 63. Qh5+ Ke4 64. Qxh4 Qg1+ 65. Kd2 {aiming for Qh7+.} Qd4+ 66. Kc2 Qc4+ 67. Kd1 Qb3+ 68. Kc1 $1 Qc3+ 69. Kb1 $1 {Black must now prevent Qh1+.} (69. Kd1 Ke3 $19) 69... Qxb4+ 70. Ka2 Qa4+ 71. Kb2 Qb5+ 72. Ka2 Qc4+ 73. Kb2 Qb5+ 74. Ka2 Kd3 75. Qxg4 {Hoping for Qd1+.} Qa6+ 76. Kb2 {Threatens to win with Qd7+.} Qb5+ 77. Ka2 {next Qd1+ is good for White.} Qc4+ 78. Kb2 {Precision: White = 59%, Black = 43%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.23"]
[Round "9"]
[White "Van Foreest, Lucas"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2481"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,154,53,39,68,60,81,62,77,71,68,69,59,59,60,52,69,58,57,42,42,43,65,58,73,55,83,55,68,68,68,55,55,55,55,55,55,55,55,55,55,0,68,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,0,0,0,30,30,30,30,30,25,25,25,25,25,25,17,17,17,17,16,17,16,16,16,16,16,16,16,16,0,16,0,0,0,0,0,2,0,14,-7,-36,-71,-56,-133,-81,-201,-177,-193,-189,-389,-370,-412,-416,-414,-419,-388,-332,-347,-332,-335,-330,-329,-99,-92,0,-316,-328,-290,-260,-308,-262,-262,-260,-254,-213,-1425,-1174,-1637,-1571]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sizilianisch (Paulsen-Variante)} d6 8. Nc2 Bxc3+ 9. Qxc3 {LiveBook: 13 Partien. Weiß steht etwas besser.} e5 10. Bd3 $146 ({Vorgänger:} 10. f3 Be6 11. b3 Nbd7 12. Be3 Qc7 13. Qd2 {½-½ (13) Cernousek,L (2451)-Balogh,C (2631) Slovakia 2017}) 10... Nc6 11. O-O O-O 12. b3 Be6 13. f3 Rc8 14. a4 a5 15. Be3 Nd7 16. Rad1 Nc5 17. Rf2 Qb6 18. Rb1 f6 19. Rd2 Rfd8 20. Na3 Rd7 21. Bc2 Rcd8 22. Nb5 Nb4 23. Bf2 Qc6 24. Rbd1 b6 25. Bb1 Bf7 26. Qe3 Bg6 27. Na3 Nba6 28. Nb5 ({Günstiger ist} 28. Qc3 $14) 28... Nc7 (28... Nb4 $11) 29. Nxc7 Qxc7 30. Bc2 Qc6 31. Rb1 Bf7 32. Qe2 Na6 33. Be3 Nc5 34. Qf2 Rb7 35. Kh1 Rbd7 36. Rg1 Be6 37. Qh4 Rf8 38. Rgd1 Rfd8 39. Rd5 Qc7 40. R5d2 Qc6 41. Qg3 Bf7 42. Kg1 Bg6 43. h4 Bf7 44. Qh3 Be6 45. Qh2 Rf8 46. h5 h6 47. g4 Rfd8 48. Qf2 Kh8 49. Re2 Kg8 50. Kh2 Ra8 51. Qg2 Kh8 52. Bc1 Rad8 53. Be3 Ra7 54. f4 exf4 55. Bxf4 Qc8 56. Kh3 Rad7 57. Red2 Qc6 58. Qf3 f5 59. Qe3 fxg4+ 60. Kg3 (60. Kh2 $15) 60... Rf8 $17 61. Rxd6 (61. Rf2 $17) 61... Rxd6 $19 62. Rxd6 Qe8 63. Rxb6 $2 (63. Rd2) 63... Qxh5 64. Rb8 Bc8 65. Kg2 {[#]} g3 $1 {[%mdl 512]} 66. Kxg3 (66. Qxg3 Ne6) 66... Qh3+ 67. Kf2 {zielt auf Dxh3 ab.} Qh2+ 68. Ke1 Qxc2 69. Qxc5 Qc3+ $2 {[#]} (69... Qxe4+ $19 {und Schwarz behält klar die Oberhand.} 70. Qe3 Qb1+ 71. Ke2 Qc2+ 72. Ke1 Rd8) 70. Ke2 $17 Qc2+ $2 $40 {[%mdl 128] Weiss muss sich nun genau verteidigen.} (70... Bg4+ $17 71. Kf2 Rxb8 72. Bxb8 Qf3+ 73. Kg1 Kh7) 71. Ke1 $1 $19 Qxe4+ 72. Qe3 Qh1+ 73. Ke2 Rd8 74. Kf2 {beabsichtigt De7.} Rd1 75. Rxc8+ Kh7 76. Qc3 $2 (76. Bxh6 Rf1+ 77. Ke2 Re1+ 78. Kd2 Rxe3 79. Bxe3) 76... Qf1+ 77. Ke3 Qh3+ {Precision: Weiß = 52%, Schwarz = 74%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Korobov, Anton"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2652"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,43,8,8,8,18,7,13,5,10,6,10,10,9,0,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. g3 c5 4. cxd5 exd5 5. Bg2 Nc6 6. d4 Nf6 7. O-O Be7 8. Nc3 O-O 9. dxc5 Bxc5 10. a3 Ne4 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} (10... Re8 11. b4 Bb6 12. Bb2 Bg4 13. Rc1 h6 14. Na4 Qe7 15. Nxb6 axb6 16. Re1 Rad8 17. Qd3 Bxf3 18. Qxf3 Ne5 19. Qf4 Nc4 20. Bxf6 Qxf6 21. Qxf6 gxf6 22. Bxd5 Nxa3 23. Bxb7 {1-0 (46) Bacrot,E (2692)-Berelowitsch,A (2521) Germany 2016}) 11. Qxd5 Nxc3 12. Qxc5 Nxe2+ 13. Kh1 Nxc1 14. Raxc1 Qf6 {LiveBook: 3 Games. The position is equal.} 15. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bg4 16. Qc3 (16. Ng5 {with more complications.} Rad8 17. Ne4 Qg6 18. Nc3 Rfe8 19. Nd5) 16... Qxc3 17. Rxc3 Rad8 $146 ({Predecessor:} 17... Rfd8 18. h3 {½-½ (30) Rydholm,L (2523)-Kerr,S (2481) ICCF email 2014}) 18. Re1 Rd7 19. b5 Bxf3 20. Bxf3 Nd4 21. Rd1 b6 22. a4 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Bluebaum, Matthias"]
[Black "Van Foreest, Lucas"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2640"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,17,16,6,27,16,27,28,20,19,37,41,51,38,45,22,55,54,48,56,73,58,52,58,37,15,8,15,41,16,14,15,17,8,73,68,129,118,117,129,117,60,164,66,74,58,307,241,233,229,662,628,1000,985,29986,29987]} 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. Rd1 {E05: Open Catalan: 5 Nf3 Be7} (9. Qxc4 Bc6 10. Bg5 h6 11. Bxf6 Bxf6 12. Nc3 Bxf3 13. Bxf3 Qxd4 14. Qxd4 Bxd4 15. Bxb7 Ra7 16. Bg2 Nd7 17. Rfd1 c5 18. e3 {½-½ (51) Aronian,L (2805)-Kasimdzhanov,R (2683) Riadh 2017}) 9... Nc6 10. Qxc4 Nb4 11. Nc3 {White has an edge.} Bc6 12. a5 h6 13. Bd2 {[#]} b5 $146 ({Predecessor:} 13... Qe8 14. e4 Rc8 15. Ne5 Bb5 16. Nxb5 axb5 {1-0 (73) Van Wely,L (2650)-Oparin,G (2540) Linares 2014}) 14. Qb3 Bb7 15. e4 Qc8 16. Ne2 Nc6 17. d5 Nd8 18. Nfd4 c5 19. dxc6 $1 Nxc6 20. Rac1 Nxd4 21. Nxd4 Qd7 22. Nc6 Bxc6 23. Bb4 {[#]} Bd5 $1 {[%mdl 512]} 24. exd5 {[%cal Be4d5,Bd5e6,Be6f7][%mdl 32]} Bxb4 (24... Nxd5 $11 25. Bxd5 exd5) 25. dxe6 $16 Qe7 {[#]} (25... Qxe6 $14 26. Qxb4 Rac8) 26. exf7+ $1 Kh8 {...Rab8 is the strong threat.} 27. Bxa8 Rxa8 28. Rc6 $36 {[%mdl 2048] White has good play.} (28. Rd3 $16) 28... Rf8 (28... Bxa5 $14 29. Ra1 Rf8) 29. Re6 (29. Rxa6 $18 {aiming for Re6.} Rxf7 30. Rc1) 29... Qc5 $14 30. Rxa6 {Strongly threatening Qf3.} Qh5 $2 (30... Ng4 $1 $14 31. Qf3 Qc8) 31. h4 Bc5 32. Kg2 Rxf7 $2 (32... Qe2) 33. Rd8+ $18 Kh7 34. Qd3+ g6 35. Rxf6 {Precision: White = 75%, Black = 25%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Xiong, Jeffery"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2634"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,95,26,11,20,6,14,0,4,0,14,12,7,16,13,0,35,39,36,38,39,37,64,56,96,108,107,58,74,60,62,91,98,76,67,47,43,43,48,48,74,74,59,50,50,35,36,36,36,36,36,36,36,43,43,0,43,0,43,0,30,21,61,0,0,0,0,0,0,0,0,0,0,0,0,0]} 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. Rd1 b6 10. b3 a5 {E11: Bogo-Indian} 11. Bc3 Ne4 12. Bb2 {LiveBook: 5 Games} f5 13. Nc3 $146 ({Predecessor:} 13. e3 Ba6 14. Ba3 Bxa3 15. Nxa3 b5 16. Rac1 Qe7 17. cxb5 cxb5 18. Nb1 {½-½ (44) So,W (2771)-Giri,A (2769) Saint Louis 2016}) 13... Ba6 14. e3 Qe8 15. Rac1 Rc8 16. Ne5 Nxe5 17. dxe5 b5 18. Bf1 a4 19. Nxe4 fxe4 20. cxd5 cxd5 21. Qd2 a3 22. Bd4 Qf7 23. Rxc8 Rxc8 24. Rc1 Qe8 $1 25. Rxc8 Bxc8 26. Qa5 b4 27. Bc5 {And now Bd6 would win.} Qf8 28. Bxe7 Qxe7 29. Bb5 g5 30. Qb6 Kf7 31. Bc6 Kg7 32. h3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 33. Kg2 h4 34. g4 Kf7 $1 35. Kh2 Kg7 36. Kg1 Kf7 37. Kh1 Kg7 38. Kg1 Kf7 39. Kh1 Kg7 40. Kg2 Kf7 $1 41. Kf1 Kg7 42. Ke1 $1 Kf7 {The position is equal.} 43. Qb8 Ba6 $1 44. Qh8 Bd3 45. Qh7+ Kf8 46. Qh8+ Kf7 47. Qh7+ Kf8 48. Qh8+ {Precision: White = 58%, Black = 81%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Van Foreest, Jorden"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2629"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,48,0,0,0,33,26,20,32,27,33,35,14,23,19,31,27,34,15,19,9,57,0,0,0,-3,-15,0,-12,-13,-15,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c4 O-O {C84: Closed Ruy Lopez: Unusual White 6th moves} 8. h3 Nd7 9. Be3 Bf6 {LiveBook: 13 Games} 10. c5 $146 ({Predecessor:} 10. Nc3 Nd4 11. Bxd7 Bxd7 12. Nd5 b5 13. c5 dxc5 14. Rc1 c6 15. Nxf6+ Qxf6 16. Rxc5 Nxf3+ 17. Qxf3 Qxf3 18. gxf3 {½-½ (42) Naiditsch,A (2700)-Ponomariov,R (2726) Dortmund 2012}) 10... Ne7 11. cxd6 cxd6 12. Nc3 b5 13. Bb3 Bb7 14. a3 Nc5 15. Ba2 Rc8 16. Rc1 Qd7 17. Re1 h6 18. Nh2 Ne6 19. Qh5 ({Better is} 19. Qg4 $14) 19... Nf4 $11 {The position is equal.} 20. Bxf4 exf4 21. Nf3 Rc5 22. Qg4 Qxg4 23. hxg4 Bxc3 24. Rxc3 Rfc8 {Precision: White = 59%, Black = 60%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Bok, Benjamin"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2607"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,58,8,7,6,19,10,51,23,21,13,14,-45,-70,-81,-50,-62,-9,-93,-105,-137,-47,-57,-43,-413,-416,-407,-398,-443,-478,-547,-610,-597,-567,-563,-531,-704,-583]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. Qd2 b4 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (8... Nbd7 9. g4 h6 10. O-O-O b4 11. Na4 Ne5 12. Kb1 Bd7 13. b3 Bxa4 14. bxa4 Qc7 15. Be2 Be7 16. h4 Nc4 17. Bxc4 Qxc4 18. Qd3 {1-0 (49) Caruana,F (2802)-Hou,Y (2652) chess.com INT 2017}) 9. Na4 Nbd7 10. O-O-O Qa5 11. b3 Bb7 12. a3 Qc7 $1 {LiveBook: 21 Games} 13. axb4 d5 14. Bf2 {[#]} e5 $146 ({Find the theoretical novelty and annotate with similar games:} 14... dxe4 15. Bg3 Qc8 16. Bc4 {1-0 (32) Yoo,C (2242)-Preotu,R (2501) Calgary 2017}) 15. Nf5 {[%cal Re4d5]} g6 16. Nh6 {[%cal Re4d5]} Rc8 (16... Bxh6 $6 17. Qxh6 dxe4 18. Be2 $16) 17. Bd3 (17. Nc5 $11) 17... dxe4 $15 18. Bc4 Bd5 $1 19. Nb2 exf3 (19... a5 $1 $15 20. Bh4 (20. bxa5 Bxh6 21. Qxh6 Qxa5 $15) 20... Bxb4) 20. Rhe1 (20. gxf3 $11 {keeps the balance.} Bxh6 21. Qxh6 Bxf3 22. Rhf1 (22. Qg7 Rf8 $17) 22... Bxd1 23. Nxd1) 20... fxg2 $17 (20... Bxc4 21. Nxc4 fxg2 22. Bh4 $14) 21. Kb1 Qd6 (21... Bxc4 22. Nxc4 Rb8 {[#]} 23. Nxe5 $1 $14 {[%mdl 512]}) (21... Be6 $17 {aiming for ...Qb7.} 22. Bh4 Rb8 23. Bxf6 Nxf6) 22. Bxd5 $15 Qxd5 23. Nd3 $2 {[%mdl 8192]} ({White should try} 23. Qxd5 $15 Nxd5 24. Rxd5 Bxh6 25. Nc4) 23... Ne4 $19 24. Rxe4 Qxe4 25. Nc5 Nxc5 {Black is clearly winning.} 26. bxc5 {[%csl Gd1][%cal Rd2d7] [#]} Bxh6 27. Qd7+ Kf8 28. Qxc8+ Kg7 29. Qc7 Qe2 {Precision: White = 35%, Black = 51%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Tari, Aryan"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2599"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,141,16,-2,42,27,50,46,58,56,70,70,89,30,30,27,29,12,30,0,7,10,9,17,15,3,2,3,0,0,19,10,27,11,28,0,0,6,50,52,43,32,39,29,81,0,152,9,87,72,84,47,64,64,62,58,68,60,63,72,64,77,77,75,72,60,104,97,105,81,105,100,197,207,198,218,218,200,346,333,590,576,472,515,589,393,330,198,315,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. Bb5 {LiveBook: 20 Partien} Nxd4 {C45: Schottische Partie} (7... Bb6 8. O-O O-O 9. a4 Qg6 10. Bd3 Ne5 11. Bc2 d6 12. f3 Nc4 13. Bc1 f5 14. Qe2 Na5 15. Be3 {½-½ (50) Matlakov,M (2738)-Fedoseev,V (2718) Moscow 2017}) 8. cxd4 Bb4+ 9. Nc3 c6 {Weiß steht etwas besser.} 10. Bd3 d5 11. O-O $146 ({Vorgänger:} 11. e5 Qh4 12. O-O Nf5 13. Nxd5 Ba5 14. b4 O-O 15. g3 Qd8 {1-0 (23) Li,C (2613)-Chowdhury,S (2190) Canberra 2010}) 11... Bxc3 12. bxc3 (12. e5 $1 $16 {[%cal Re5f6]} Qh4 13. bxc3) 12... dxe4 $11 13. Bxe4 Bf5 14. Bf3 O-O 15. c4 Rfd8 16. Qb3 Rd7 17. d5 Qg6 18. Bc5 {Droht Tfe1 und aus.} cxd5 19. Bxe7 Rxe7 20. cxd5 Qd6 21. Rac1 g5 22. Rc4 Rc8 23. h3 Rxc4 24. Qxc4 Qb6 25. Rc1 Kg7 26. a4 f6 27. Qc3 a5 (27... Qd6 $11) 28. Qc5 (28. Qa3 $1 $16 {[%cal Ra3e7]} Qb4 29. Qxb4 axb4 30. g4) 28... Qb4 $2 (28... Qxc5 $1 $11 29. Rxc5 b6) 29. Rc4 ({Weiss kommt nicht vorbei an} 29. Qxb4 $1 $16 axb4 30. g4) 29... Qe1+ (29... Qxc5 $1 $11 {hält das Gleichgewicht.} 30. Rxc5 b6) 30. Kh2 $16 Rd7 31. d6 Qe6 32. Rd4 $1 Qe5+ $1 33. Qxe5 fxe5 $14 {[%mdl 4096] Endspiel KTL-KTL} 34. Rd5 $1 {[%csl LRa5,LRe5]} b6 35. Rxe5 Bc2 36. Rxg5+ Kf6 37. Rg4 {Und Tc4 würde nun gewinnen.} Rxd6 38. Kg3 Ke5 39. Be2 Bf5 40. Rh4 Bd7 41. Rh5+ Kf6 {[#]} (41... Kd4 $16) 42. Rh6+ $1 $18 (42. Rxh7 $6 Bxa4 43. h4 Kg6 $16) 42... Ke5 43. f4+ (43. Rxh7 $6 Bxa4 44. Rh5+ Kf6 $14) 43... Kd5 {[#]} 44. Rh5+ $1 ({Auf keinen Fall} 44. Rxh7 $6 Bxa4 45. h4 Kc5 $16) 44... Kd4 (44... Ke4 $142 45. Re5+ (45. Rxh7 Bxa4 46. h4 Bd7 $16) 45... Kd4) 45. Bb5 ({Weniger gut wäre} 45. Rxh7 Bxa4 46. Ra7 Rd7 $14) 45... Kc3 $2 (45... Bxb5 46. Rxb5 Rc6) 46. Bxd7 Rxd7 {KT-KT} 47. Rb5 Rd4 48. Rxb6 Rxa4 49. Rh6 Rc4 (49... Rd4 {war einen Versuch wert.}) 50. Rxh7 $2 (50. f5 $18) 50... a4 $11 {Die Stellung ist ausgeglichen.} 51. Ra7 Kb3 $1 52. f5 {f6 ist eine echte Drohung.} a3 $1 53. f6 Rc6 54. f7 Rf6 55. Rb7+ Kc2 56. Rc7+ Kb2 57. Rb7+ Kc2 58. Ra7 Kb3 59. Kh4 a2 60. Rb7+ Kc2 61. Ra7 Kb3 62. g4 Rxf7 {[#]} 63. Rxa2 $3 {[%mdl 512]} Kxa2 {KT-KBB} 64. g5 Rf1 65. g6 Rg1 66. Kh5 $1 Kb3 67. Kh6 Rh1 68. g7 Rxh3+ 69. Kg6 Rg3+ 70. Kh7 Rxg7+ 71. Kxg7 {Precision: Weiß = 60%, Schwarz = 49%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.24"]
[Round "10"]
[White "Girya, Olga"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2489"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,114,33,35,35,32,33,38,33,37,33,39,32,35,12,42,45,43,30,31,37,41,38,28,26,33,12,25,34,33,10,11,0,12,0,0,0,2,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,8,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 Bd6 9. O-O (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... c6 10. Bf4 Qc7 {LiveBook: 3 Games} 11. Bxd6 Qxd6 12. h3 O-O 13. Rc1 $146 ({Predecessor:} 13. Qc2 a5 {½-½ (23) Matlakov,M (2728)-Andreikin,D (2706) Tbilisi 2017}) 13... Rfe8 14. a3 h6 15. Qc2 Rac8 16. Na4 b5 17. Nc5 Nxc5 18. Qxc5 Qxc5 19. Rxc5 Nd7 $1 {[%cal Rd7c5]} 20. Rc3 c5 21. dxc5 Nxc5 22. Bc2 Ne4 23. Rxc8 Rxc8 24. Bb1 Kf8 {The position is equal.} 25. Rd1 Ke7 26. Bxe4 dxe4 $11 {[%mdl 4096] Endgame KRB-KRN} 27. Nd4 f5 28. h4 g5 29. hxg5 hxg5 30. f3 exf3 31. gxf3 Bd7 32. Kf2 Rh8 33. Kg3 Rh4 34. Ne2 Rc4 35. Nd4 a5 36. f4 g4 37. Rh1 b4 38. axb4 Rxb4 39. Rh7+ Ke8 40. Rh8+ Ke7 41. Rh7+ Ke8 42. Rh5 Rxb2 43. Nxf5 a4 44. Rh8+ Kf7 45. Rh7+ Ke8 $1 46. Rh8+ Kf7 47. Rh7+ Ke8 $1 48. Nd6+ Kd8 {[#] White must now prevent ...a3.} 49. Nf7+ Kc8 {Strongly threatening ...a3.} 50. Ne5 Be6 {Hoping for ...a3.} 51. Ra7 Rb3 52. Ra8+ Kc7 53. Rxa4 Rxe3+ 54. Kf2 Rc3 55. Ra7+ Kd6 56. Rg7 Kd5 57. Nxg4 Ke4 {Precision: White = 68%, Black = 80%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Vidit, Santosh Gujrathi"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2718"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,18,31,31,29,19,20,33,44,0,0,0,0,0,0,0,0,0,0,0,0,-5,-7,-7,0,-13,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 Qc7 {LiveBook: 5 Games. B52: Sicilian: Moscow Variation with 3...Bd7} (6... Rc8 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Be3 Nb6 12. Ne1 f5 13. f3 Ng5 14. b3 Nf7 {½-½ (30) Mamedov,R (2680)-Ivanchuk,V (2729) Kocaeli 2017}) 7. Rd1 e6 8. d4 cxd4 9. Nxd4 Rc8 $146 ({Predecessor:} 9... a6 10. c4 Be7 11. a4 Rc8 12. Na3 Nc5 13. f3 Nxa4 14. Be3 Nc5 {0-1 (43) Rendon,D (2110)-Barros,R (2096) Medellin 2010}) 10. Nb5 Qxc2 {The position is equal.} 11. Qxc2 Rxc2 12. N1a3 Rc8 13. Nxa7 Rd8 14. N7b5 Nxe4 15. f3 Nef6 16. Nxd6+ Bxd6 17. Rxd6 Ke7 18. Rd4 Ne5 19. Be3 Nc6 20. Rxd8 Rxd8 21. Bc5+ Kd7 22. Nc4 Nd5 23. a4 e5 24. a5 Ke6 25. a6 bxa6 26. Rxa6 Kd7 27. b4 Ndxb4 28. Bxb4 Nxb4 29. Rd6+ Ke7 30. Rxd8 Kxd8 31. Nxe5 {Precision: White = 72%, Black = 72%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Amin, Bassem"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2693"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,86,0,5,14,7,15,16,-20,0,-29,-24,-41,-47,-32,-32,-47,-43,-85,-79,-68,-44,-74,-35,-45,37,23,75,0,0,0,0,0,78,31,36,44,19,35,23,-6,-5,-13,-17,-8,-6,-4,-4,-1,-1,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. e4 O-O 7. exd5 Nxd5 8. Re1 Nc6 9. Nc3 Nde7 {LiveBook: 18 Games. A07: Réti Opening: New York and Capablanca Systems} 10. a4 Bf5 $146 ({Predecessor:} 10... h6 11. Bd2 Bg4 12. h3 Be6 13. Rb1 a5 14. Nb5 Qd7 15. Kh2 g5 {1-0 (44) Vachier Lagrave,M (2758)-Bacrot,E (2718) Beijing 2014}) 11. a5 Qd7 12. Be3 Bg4 13. Qc1 Rad8 14. Ng5 f6 15. Nge4 b6 16. axb6 axb6 17. Ra4 Nd4 18. Nd2 Nec6 19. Qb1 Be6 20. b4 b5 ({Better is} 20... Nf5 $15) 21. Ra6 $14 Nxb4 {[#]} (21... Nb8 $11 22. Ra3 c5 23. Bxd4 cxd4) 22. Qxb4 (22. Rxe6 $1 $16 Ndxc2 23. Qb3) 22... Nxc2 $11 23. Qb1 $1 {[%cal Rb1c2]} ({Much worse is} 23. Bh3 f5 $17) 23... Nxe1 24. Qxe1 {Strongly threatening Nde4.} Qxd3 (24... f5 $1 $11) 25. Nxb5 {Hoping for Bf1.} Bd5 {[#] Threatens to win with ...Bxg2.} 26. Bxd5+ ({Of course not} 26. Nxc7 Bxg2 27. Kxg2 Rc8 $15) 26... Rxd5 27. Nxc7 {Black must now prevent Qa1.} Rd6 28. Qf1 (28. Ra7 {is interesting.} Qc2 29. Nb5 Rd3 30. Na3 Qc6 31. Qa1) 28... Qxf1+ {The position is equal.} 29. Kxf1 Rxa6 30. Nxa6 Kf7 31. Ne4 Rd8 32. Ke2 Bf8 33. Nac5 Bxc5 34. Nxc5 h5 35. h4 Rb8 36. Kd3 Rb4 37. Kc3 Rb1 38. Kc2 Rb4 39. Kd3 Rb1 40. Ke4 Rd1 41. f4 exf4 42. Bxf4 Re1+ 43. Be3 Ra1 {Precision: White = 56%, Black = 73%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Krasenkow, Michal"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2671"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,68,0,0,22,-23,-21,-51,-43,-75,-85,-97,-80,-97,-52,-107,-68,-51,-14,-45,-28,-71,0,0,-18,-46,-50,-139,-110,-144,-42,-42,0,0,0,0,0,-127,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 9. Be2 {D45: Semi-Slav: 5 e3} e4 10. Nd2 Nb8 {[%cal Bd7b8,Bb8a6,Ba6c7][%mdl 32]} (10... Re8 11. g4 Nf8 12. h3 Be6 13. O-O-O a6 14. c5 Bc7 15. Rdg1 N6d7 16. h4 b6 17. cxb6 Nxb6 {0-1 (49) Duda,J (2717)-Wang,H (2709) Riadh 2017}) 11. h3 Na6 12. a3 {LiveBook: 3 Games} Be6 $146 ({Predecessor:} 12... Nc7 13. g4 Be7 14. O-O-O b5 15. c5 a5 16. g5 Nd7 {0-1 (71) Flacker,E (2541)-Ljubicic,L (2603) ICCF email 2015}) 13. O-O Nd7 14. Ndxe4 dxe4 15. Qxe4 Nc7 16. Qc2 f5 17. Bd3 Qg5 18. f4 ({Better is} 18. e4 $15) 18... Qg6 19. g4 Kh8 20. Rf2 b5 21. Rg2 {[#] Black must now prevent gxf5.} bxc4 (21... Qh6 $1 $17 22. Rh2 Bxf4 23. exf4 Qxf4 24. cxb5 cxb5) 22. bxc4 $11 {Threatens to win with gxf5.} Qh6 23. Ne2 Rae8 24. Ng3 (24. Rf1 $1 $15) 24... fxg4 25. hxg4 {[#] Hoping for Rh2.} Bxg4 ({Black should play} 25... Qh3 $17 {Strongly threatening ...Nf6.} 26. Bxh7 Nf6) 26. Rh2 $15 Rxe3 27. Rxh6 Rxg3+ 28. Kh2 Bxf4 29. Rxh7+ Kg8 {...Rxd3+ is the strong threat.} 30. Rf1 {aiming for Rxf4!The position is equal.} Bd6 31. c5 Rh3+ $1 32. Kg2 Rg3+ 33. Kh2 $1 Rh3+ $1 34. Kg2 Rg3+ {Precision: White = 41%, Black = 58%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "L'Ami, Erwin"]
[Black "Girya, Olga"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2634"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,29,30,34,18,36,36,48,0,0,0,0,0,25,-17,0,-6,0,19,26,35,59,17,10,0,0,0,14,-50,-12,-1,0,-9,9,25,33,0,0,0,56,52,54,56,31,36,31,19,66,66,66,66,66,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Be6 {B11: Caro-Kann: Two Knights Variation} 7. b3 Bd5 8. Qe3 Bxf3 $146 {White is slightly better.} ({Predecessor:} 8... Nd7 9. Bb2 e6 10. O-O-O Bc5 11. d4 Bxf3 12. Qxf3 Be7 13. h4 Qa5 14. Kb1 {0-1 (36) Vallejo Pons,F (2698)-Eljanov,P (2723) Dubai 2014}) 9. gxf3 (9. Qxf3 {is more complex.} Nd7 10. Bb2 Nf6 11. h4 h5 12. Be2) 9... e6 10. Bb2 Nd7 11. f4 Qa5 12. a3 O-O-O 13. b4 Qd5 14. Rg1 Nb6 15. Rg5 ({But not} 15. Bxg7 $2 Rg8 $19) 15... f5 16. d3 Rg8 17. Be5 Qd7 18. c4 Be7 19. Rb1 ({White should play} 19. Rh5 $11) 19... Bf6 20. Be2 Bxe5 21. Qxe5 Qd4 22. Qxe6+ Nd7 {[#] And now ...Rge8 would win.} 23. Qe3 (23. Qxf5 {keeps more tension.} Rde8 24. Qg4 Rgf8 25. Re5 Rxe5 26. fxe5 Qxe5 27. Qg3) 23... Qc3+ 24. Qd2 Qxd2+ (24... Qf6 $11) 25. Kxd2 $14 g6 26. Rg3 Nf6 27. Kc3 Rd6 $1 28. h4 Rgd8 {[#]} 29. h5 $1 {[%mdl 512]} b5 (29... Nxh5 30. Bxh5) 30. hxg6 hxg6 31. Rc1 (31. Rbg1 $14) 31... bxc4 $11 {The position is equal.} 32. Kxc4 Nd5 33. Rf3 Kc7 34. Kb3 Re8 35. Bf1 Rde6 36. d4 Re1 37. Rxe1 Rxe1 {[%mdl 4096] Endgame KRB-KRN} 38. Bc4 Kd6 39. Bxd5 Kxd5 {KR-KR} 40. Rg3 Re4 41. Rxg6 Rxf4 42. Rg7 Rf3+ 43. Ka4 Rxf2 44. Rd7+ Ke4 45. Rxa7 f4 46. Ka5 Rc2 47. Rf7 f3 48. Kb6 f2 49. a4 Kxd4 50. a5 Ke3 51. a6 {Threatens to win with a7.} Rc4 52. a7 Rxb4+ 53. Kxc6 Ra4 54. Kb7 Ke2 55. a8=Q Rxa8 56. Kxa8 f1=Q 57. Rxf1 Kxf1 {Precision: White = 73%, Black = 58%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Gordievsky, Dmitry"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2622"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,114,0,0,0,0,9,0,6,0,-5,-14,0,0,0,0,0,3,4,0,6,0,0,0,22,22,43,35,33,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-9,0,0,0,-35,0,-30,-21,-37,0,0,0,0,0,-70,14,11,53,0,0,0,18,0,0,0,18,18,19,16,18,16,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. O-O a6 6. Qc2 {A13: English Opening: 1...e6} Bd6 7. Qxc4 b5 8. Qb3 Bb7 9. a4 {LiveBook: 4 Games} c5 10. d3 O-O $146 ({Predecessor:} 10... Bd5 11. Qc2 Nbd7 12. Nc3 Bc6 13. Ne1 Bxg2 14. Nxg2 {½-½ (42) Nakamura,H (2787)-Chandra,A (2477) Saint Louis 2016}) 11. Nc3 {[%cal Bb1c3,Bc3d1,Bd1e3,Be3c4][%mdl 32]} b4 12. Nd1 Nc6 13. Ne3 Na5 14. Qc2 Rc8 15. Nd2 Bxg2 16. Kxg2 Be7 17. Nec4 Nc6 18. Nb3 Nd4 19. Qd1 Qd5+ 20. f3 Rcd8 21. e4 Qd7 22. Be3 Nxb3 23. Qxb3 Qxd3 24. Qxd3 Rxd3 25. Rfd1 Rfd8 26. Rxd3 Rxd3 27. Kf2 Kf8 28. Ke2 Rd8 29. Rc1 Ke8 30. g4 Nd7 31. Bf4 g5 32. Be3 h6 33. b3 f5 34. exf5 exf5 35. gxf5 Nf6 36. h4 ({White should try} 36. Bf2 $11) 36... Nd5 (36... gxh4 $15 37. Rg1 Rd5) 37. hxg5 $11 Bxg5 38. f4 (38. Bxg5 $14 hxg5 39. Rg1) 38... Nxf4+ {The position is equal.} 39. Kf3 Nd3 40. Rg1 Kf7 41. Rd1 Ke8 42. Rh1 Ke7 43. Bxg5+ hxg5 {[%mdl 4096] Endgame KRN-KRN} 44. Rh7+ Kf6 $1 {[%cal Rf6f5]} 45. Rh6+ Kxf5 {Threatens to win with ...g4+.} 46. Nd6+ {[#]} Rxd6 $1 47. Rxd6 {KR-KN} Nc1 48. Rd5+ Ke6 49. Rxc5 Nxb3 50. Rxg5 {[#] And now Ke4 would win.} a5 51. Ke4 {Black must now prevent Rd5.} Kd6 52. Rg6+ Kc5 53. Ra6 Kc4 {( -> ...Nc5+)} 54. Rc6+ Nc5+ 55. Ke5 b3 {Strongly threatening ...b2.} 56. Kd6 Kb4 $1 57. Rb6+ Kc4 {Precision: White = 64%, Black = 65%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Harika, Dronavalli"]
[Black "Van Foreest, Jorden"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2497"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "194"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,194,24,12,25,29,35,32,30,13,22,13,28,12,29,35,24,25,39,25,31,0,0,-8,0,0,0,0,0,0,0,0,61,-37,-36,-31,-31,-37,-35,-58,-56,-54,-55,-62,-64,-77,-77,-77,-77,-77,-77,-77,-77,-77,-77,-77,-70,-77,-77,-77,-54,-95,0,0,0,-2,0,-2,0,-2,0,-2,-2,-2,-2,-2,-2,-61,-24,-19,-14,-38,-2,-2,-2,-2,0,-43,-43,-43,-27,-37,-16,-16,-5,-8,-16,-24,-4,-37,-37,-63,-38,-52,-55,-64,-59,-65,-63,-59,-16,-17,-23,-24,-10,-1502,-1497,-1245,-1064,-495,-215,-215,-153,-11448,-8054,-7836,-2035,-29952,-29949,-29946,-29952,-29952,-29950,-29952,-29943,-29958,-29952,-9785,-645,-586,-266,-29969,-29970,-29971,-29971,-29971,-29973,-29973,-29974,-29978,-29978,-29979,-29979,-29980,-29980,-29979,-29979,-29978,-29979,-29983,-29984,-29984,-29984,-29984,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29991,-29992,-29992,-29993,-29993,-29991]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 a5 7. Nc3 {A49: Königsindisch (ohne c2-c4)} Nbd7 8. e4 $146 ({Vorgänger:} 8. a4 Re8 9. Ba3 d5 10. Ne5 c6 11. f4 Nxe5 12. fxe5 Ng4 13. Bc1 f6 14. h3 fxe5 15. hxg4 exd4 {1-0 (40) Kortschnoj,V (2607)-Ivanchuk,V (2731) Odessa 2006}) 8... e5 9. dxe5 dxe5 10. a4 {LiveBook: 7 Partien} b6 11. Ba3 Re8 12. Qd2 Bb7 13. Rfe1 Nf8 14. Rad1 Qxd2 15. Rxd2 Ne6 16. Nd5 Nxd5 17. exd5 Nc5 18. Bxc5 bxc5 19. Rde2 {[%cal Rf3e5]} f6 20. Nd2 f5 21. Nc4 {[%cal Rc4e5]} e4 22. d6 Bd4 23. dxc7 {zielt auf Sd6 ab.} Re7 24. Nd6 Ba6 (24... Rxc7 $11 25. Nxb7 Rxb7) 25. c8=Q+ (25. Nxe4 $1 $14 Rae8 26. c8=Q Bxc8 27. Nc3 $1 {[%mdl 512]}) 25... Bxc8 $15 26. Nxc8 Rxc8 27. Rd1 Kg7 28. Kf1 Rf8 29. Rc1 Bc3 30. Rd1 Rff7 31. Kg1 Rd7 32. Rb1 Rd6 33. f3 {[#]} e3 $1 {[%mdl 512]} 34. f4 (34. Rxe3 Bd4) 34... Rfd7 35. Bf3 h6 36. h4 Kf6 37. Kf1 Re7 38. Kg2 Bd2 39. Rh1 c4 (39... Rc7 $17) 40. bxc4 $11 Rb6 41. Bd5 Rb2 42. Ra1 Rxc2 43. Rb1 Kg7 44. Rb6 h5 45. Kf3 Ra2 46. Bc6 $1 Ra1 47. Rb2 ({Lieber} 47. Kg2 $11) 47... Rf1+ 48. Kg2 Rc1 49. Bd5 ({Aber nicht} 49. Rbxd2 $2 exd2 50. Rxe7+ Kf8 $19) 49... Rc7 50. Rb6 $1 Ra1 51. Bc6 $1 Be1 (51... Re7 {is more complex.} 52. Bb5 Bb4 53. Ra6 Rb1 54. Ra8 Rc1) 52. Rb7 Rxb7 53. Bxb7 $15 {[%mdl 4096] Endspiel KTL-KTL} Bd2 54. Bc6 $1 Kf6 55. Bb5 Ke6 56. c5 Kd5 57. c6 Kd4 58. c7 Rc1 59. Be8 Rxc7 60. Bxg6 Rc4 61. Be8 $1 Ke4 $1 62. Bb5 Rc1 63. Be8 Be1 {Mit der Idee ...Lf2.} 64. Bxh5 Bf2 {und nun wäre ...Tg1+ stark für Schwarz.} 65. Bf3+ Kd3 66. Rxf2 $2 {[%mdl 8192]} (66. Ra2 $11) 66... exf2 $19 67. Kxf2 $11 {KT-KL} Rc2+ 68. Kg1 Ke3 (68... Rc4 $142 69. h5 Rxa4) 69. Bd5 $19 Rc5 70. Bb7 $2 (70. Be6 $17) 70... Rc4 71. Kg2 Rxa4 72. Bc8 Re4 73. Bxf5 {[#]} a4 $1 {[%cal Ra4a3]} 74. Bg6 a3 75. Bf7 Re7 76. Bg8 Ke4 77. h5 Kf5 (77... Rg7 $142 78. Be6 Rh7) 78. Kf3 {[#]} Kf6 (78... Re6 $142 $1 {[%mdl 512] ...a2 ist eine echte Drohung.} 79. Bh7+ (79. g4+ $2 Kf6 $19) (79. Bxe6+ Kxe6) 79... Kf6) 79. g4 $2 {[#]} (79. Ba2 $19 Rb7 80. g4) 79... Rf7 $1 {[%mdl 512] Schwarz setzt Matt.} 80. h6 (80. Bxf7 Kxf7) 80... Ke7 81. g5 Kf8 82. h7 {[#]} Rxh7 $3 {[%mdl 512]} 83. Bxh7 {KL-KB} a2 84. Be4 a1=Q 85. Kg4 Qd4 86. Kf3 Qg1 87. Bf5 Ke7 88. Bg4 Kd6 89. Bf5 Kc5 90. Ke4 Qe1+ 91. Kf3 Kd4 92. g6 Qf1+ 93. Kg4 Qg2+ 94. Kh5 Ke3 95. Kh6 Kxf4 96. Bc8 Qg5+ 97. Kh7 Qh5+ {Precision: Weiß = 58%, Schwarz = 65%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.26"]
[Round "11"]
[White "Van Foreest, Lucas"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2481"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,76,33,40,50,47,0,0,-7,-7,3,1,-10,0,-30,-39,-35,0,-51,0,-81,-79,-87,-61,-88,-79,-77,-85,-95,0,-213,-192,-305,-301,-318,-322,-291,-287,-370,-346,-395,-369,-350,-358,-350,-327,-405,-424,-883,-858,-969,-513,-2234,-2385,-1994,-1976,-12826,-1186]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3,Bb3a5][%mdl 32]} d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. g4 b5 10. Qd2 Nb6 11. g5 Nfd7 12. Na5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (12. O-O-O Be7 13. Na5 Qc7 14. Nd5 Nxd5 15. exd5 Bf5 16. Kb1 Rc8 17. Bd3 Bh3 18. f4 Nc5 19. Nc6 Nxd3 20. Qxd3 {½-½ (60) Sethuraman,S (2618)-Gabuzyan,H (2566) Abu Dhabi 2017}) 12... Rc8 13. Nd5 ({White should play} 13. O-O-O $14) 13... Nxd5 $11 14. exd5 {[#]The position is equal.} Bxd5 $1 {[%mdl 512]} 15. Qxd5 {Strongly threatening Nb7.} Qxa5+ 16. c3 $1 Be7 17. Bh3 Qc7 18. a4 Qc4 $36 {[%mdl 2048] Black fights for an advantage.} 19. Qb7 (19. Qxc4 $11 bxc4 20. f4) 19... Rd8 $146 (19... Rc7 $15 20. Qa8+ Bd8) ({Predecessor:} 19... Rc7 20. Qa8+ {0-1 (44) Narayanan,S (2218)-Brandenburg,D (2433) Dieren 2007}) 20. Rg1 (20. Bxd7+ $1 $11 {remains equal.} Rxd7 21. Qxa6) 20... bxa4 21. Rg4 Qd3 22. Re4 {[#]} a3 $1 {Hoping for ...0-0.} 23. Rd1 (23. Rxa3 d5) 23... Qc2 24. bxa3 Qxh2 (24... h6 $17 25. gxh6 Qxh2 26. hxg7 Qg3+ 27. Ke2 Qxg7) 25. Bg4 $2 (25. Bxd7+ $1 $11 Rxd7 26. Qc6) 25... h5 $19 26. Bxd7+ (26. gxh6 $142 Bh4+ 27. Kf1 Rxh6 28. Qc6) 26... Rxd7 27. Qc8+ Rd8 28. Qc6+ Kf8 29. Bf2 Qh3 30. Ke2 Qf5 31. c4 Qxg5 ({Don't play} 31... Bxg5 32. Rxd6 Rb8 33. Qd5 $19) 32. c5 Rh6 33. Qc7 Re6 34. c6 (34. cxd6 $142 Rexd6 35. Rxd6 Bxd6 36. Qa5) 34... d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 35. Re3 e4 36. fxe4 (36. Qg3 $142 exf3+ 37. Kxf3 Qf5+ 38. Qf4 Qxf4+ 39. Kxf4) 36... Qg4+ 37. Ke1 d4 38. Bg3 h4 {Precision: White = 27%, Black = 75%.} (38... Rxe4 $142 39. Rxe4 Qxe4+ 40. Kf1 Qf3+ 41. Ke1 Re8 42. Qe5 {[#]} Bb4+ $1 {[%mdl 512]} 43. axb4 Qxg3+ 44. Kd2 Rxe5 45. Rc1 Qf3 46. Rg1 Re2+ 47. Kd1 Qd3+ 48. Kc1 Qc2#) 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Krasenkow, Michal"]
[Black "Amin, Bassem"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2671"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,162,44,56,34,20,22,25,0,0,0,0,0,0,-20,-17,-23,-29,-80,-72,-85,-78,-95,-74,-83,-93,-89,-97,-83,-87,-89,-87,-92,-68,-58,-57,-114,-121,-111,-85,-114,-100,-134,-126,-139,-96,-71,-75,-78,-72,-88,-93,-83,-91,-78,-88,-236,-235,-205,-161,-160,-74,-80,-75,-79,-72,-92,-52,-45,-54,-79,-61,-69,-61,-60,-39,-39,-39,-38,-39,-37,-8,-8,-10,-27,0,0,0,-33,-33,-33,-33,-33,-35,-51,-48,-45,-38,-38,0,-39,-8,-8,-12,-36,-28,-28,-37,-315,-301,-404,-404,-383,-384,-356,-354,-311,-315,-4137,-4137,-4637,-4622,-4622,-4594,-1857,-1523,-4637,-4622,-1537,-2581,-1663,-1625,-1599,-1599,-1452,-943,-29983,-29979,-29988,-29989,-29990,-29991,-29993,-29978]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. h3 e5 7. d5 a5 8. Bg5 Na6 9. Be2 Qe8 10. g4 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} Nd7 11. a3 (11. Qd2) 11... Nb6 {LiveBook: 6 Games} 12. b3 {White is slightly better.} Bd7 13. Rg1 $146 ({Find the theoretical novelty and annotate with similar games:} 13. Nd2 Kh8 14. Be3 Qe7 15. Qc2 Nc5 16. h4 h6 17. h5 g5 {1-0 (46) Kezin,R (2226)-Giljazitdinov,E (2141) Novosibirsk 2009}) 13... Kh8 14. Rb1 Nc5 15. Be3 f5 16. gxf5 gxf5 17. Qd2 Qe7 18. Bxc5 dxc5 19. Qg5 (19. Rd1 $11 {remains equal.}) 19... Bf6 $1 $17 {[%cal Rf6g5]} 20. Qh5 Nc8 $1 21. d6 Nxd6 22. Nd5 Qf7 23. Qxf7 Rxf7 24. Nxf6 Rxf6 25. Nxe5 Be6 26. Nd3 fxe4 27. Nxc5 Bxh3 28. Rg3 (28. Na4 $15) 28... Bf5 {Strongly threatening ...b6.} 29. Rd1 Re8 30. Rd5 b6 31. Na6 c6 32. Rd2 Bg6 {Threatens to win with ...Nf5.} 33. c5 bxc5 $1 34. Nxc5 Nf5 {And now ...e3 would win.} 35. Rg5 e3 36. fxe3 Nxe3 37. Nd7 Rfe6 38. Rxa5 (38. Nc5 $17 {was worth a try.} R6e7 39. Kf2) 38... Nd5 $19 {White must now prevent ...Bh5.} 39. Kf2 R6e7 40. Bg4 Rf7+ (40... Rg7 $142 41. Bh3 Be4) 41. Kg3 $17 h5 42. Bh3 Re3+ 43. Kh2 {[#]} Rxh3+ $1 {[%mdl 512]} 44. Kxh3 {Ne5 is the strong threat.} Rxd7 45. Rd4 Rf7 46. Ra6 Nf4+ 47. Kh4 c5 48. Rc4 Bd3 49. Ra8+ Kh7 50. Rxc5 Kh6 51. Rh8+ Bh7 52. Kg3 Ng6 53. Rb8 h4+ 54. Kg2 Nf4+ 55. Kh2 Re7 {aiming for ...Re2+.} 56. Rb6+ Bg6 57. Rf6 Re2+ 58. Kg1 Re1+ 59. Kh2 Re2+ 60. Kg1 Nh5 61. Rf2 $132 {[%mdl 2048] White has counterplay} Re1+ 62. Rf1 Re3 63. Rf8 Kg7 64. Rb8 $2 {[%mdl 8192]} (64. Rf2 $15) 64... Rg3+ $1 $19 65. Kh2 {[#]} Nf6 $1 {[%cal Rf6g4]} 66. Rc7+ Kh6 67. Rh8+ Kg5 68. Rc5+ Kg4 69. Rc4+ $2 {[#]} (69. Rc7 Rh3+ 70. Kg1) 69... Be4 $1 70. Rh6 Rg2+ 71. Kh1 Re2+ 72. Kg1 Nh5 73. Rxh5 Kxh5 {[%mdl 4096] Endgame KRB-KR} 74. Kf1 Bd3 (74... Re3 $142 75. Kf2 Rf3+ 76. Kg1 Bf5) 75. Rd4 Ba6 {( -> ...h3)} 76. Ra4 Re6+ 77. Kf2 Bb7 78. b4 Rf6+ {Black mates.} 79. Kg1 Kg4 80. Ra5 h3 81. Re5 Rd6 {Precision: White = 46%, Black = 62%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Korobov, Anton"]
[Black "Van Foreest, Lucas"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2652"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,113,0,0,0,28,0,0,0,0,0,0,-6,0,14,0,0,13,21,21,13,18,18,16,12,22,21,25,14,42,16,20,0,0,0,0,-14,0,0,0,0,27,27,27,24,45,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. Bg5 dxc4 6. e4 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O O-O 10. e5 {D39: Damengambit (Ragosin-Verteidigung)} Qd8 11. d5 (11. Ne4 cxd4 12. Qe2 Bd7 13. Rfd1 Nc6 14. Ng3 Bc5 15. a3 Ne7 16. Ne4 Bb6 17. Nxd4 Ng6 {½-½ (52) Ding,L (2771)-Aronian,L (2802) Tbilisi 2017}) 11... Bxc3 12. bxc3 exd5 13. Bxd5 Nc6 {LiveBook: 5 Partien} 14. Re1 Qc7 15. Qa4 Be6 $146 ({Vorgänger:} 15... Ne7 16. Bb3 Bd7 17. Qh4 Rae8 {0-1 (29) Hando,V (2318)-Meszaros,T (2434) Hungary 2010}) 16. Bxe6 fxe6 17. Qc4 Qe7 18. Nh4 {[#] Und Sg6 würde nun gewinnen.} Na5 19. Qg4 {Droht Sg6 und aus.} Qf7 20. f4 Nc6 ({Viel schwächer wäre} 20... h5 21. Qe2 $16) 21. g3 Rad8 22. Rad1 Rxd1 23. Rxd1 Rd8 24. Rxd8+ Nxd8 25. Qd1 Nc6 26. Kg2 Qc7 27. Nf3 Kf7 28. g4 Ne7 29. Kg3 Qc6 30. Qb1 Qd7 31. c4 a6 32. Qb6 Qc6 (32... Qa4 {is interesting.} 33. Qb3 Qxb3 34. axb3 Nc6 35. h4 g6) 33. Qxc6 Nxc6 $11 {[%mdl 4096] Endspiel KS-KS} 34. Nd2 Nb4 35. a4 Nd3 36. Ne4 b6 37. Nd6+ Ke7 38. Nc8+ Kd8 39. Nxb6 a5 40. f5 exf5 41. gxf5 {[#] Droht stark e6.} Nxe5 42. Kf4 Nf7 $1 43. h4 Kc7 44. Nd5+ Kd7 45. h5 Nd6 {Die Stellung ist ausgeglichen.} 46. Ne3 Ne8 47. Nf1 Kd6 48. Nd2 {Schwarz muss nun Se4+ beachten.} Nf6 49. Ne4+ Ke7 50. Nxc5 Nxh5+ 51. Kf3 Nf6 52. Nb7 Nd7 53. Nxa5 Kd6 54. Kg4 Nc5 55. Kh5 Kc7 56. Kg6 Kb6 57. f6 {Precision: Weiß = 62%, Schwarz = 68%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Xiong, Jeffery"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2634"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,87,53,63,54,64,45,53,59,70,54,64,35,35,35,35,-71,-59,-63,-53,-85,-48,-54,-45,-103,-56,-192,-224,-208,-218,-209,-193,-224,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 {B41: Sicilian: Kan Variation: 5 c4} 9. f3 d6 10. Be2 Be7 11. Rc1 O-O 12. O-O Nbd7 {LiveBook: 276 Games} 13. b4 Rfc8 14. Qd2 Qd8 15. Rfd1 Rab8 16. Kh1 {[#]} h5 $146 ({Predecessor:} 16... Ne5 17. Na4 Nfd7 18. Bf1 h5 19. Qf2 {½-½ (47) Kobalia,M (2623)-Artemiev,V (2671) St Petersburg 2015}) 17. Bf2 Ne5 18. Na4 Nfd7 19. Qe3 {[#]} (19. Kg1 $14 {keeps the upper hand.}) 19... Bg5 $1 $17 {[%cal Rg5e3]} 20. f4 Bh6 21. b5 Ng4 $36 {[%mdl 2048] Black has some pressure.} 22. Bxg4 $1 hxg4 23. Bg3 (23. Ne2 $15 Qc7 24. Nac3) 23... Ra8 (23... Qf6 {feels hotter.} 24. Kg1 Ra8 25. Ne2 axb5 26. Rxd6 Ne5) 24. Nxe6 ({White should play} 24. Qe2 $15) 24... fxe6 $19 25. Rxd6 {[%cal Ra4b6]} Qe8 26. Nxb6 Nxb6 27. Qxb6 Qxb5 $2 (27... Qf7 $19 28. Re1 Rxc4 29. bxa6 Bxa6) 28. Rd8+ $1 $11 {The position is equal.} Kf7 29. Qxb5 (29. cxb5 $2 {is the wrong capture.} Rxc1+ 30. Qg1 Rxg1+ 31. Kxg1 Rxd8 $19) 29... axb5 30. Rd7+ Kg8 31. Rxb7 bxc4 {Threatens to win with ...e5.} 32. Rc3 e5 {[#] Hoping for ...Rcb8.} 33. f5 $1 Bd2 34. Rc2 ({Not} 34. Bxe5 $2 Bxc3 35. Bxc3 Rxa3 $19) 34... Rxa3 {( -> ...Ra1+)} 35. Bxe5 Bh6 36. g3 {Bc3 is the strong threat.} Re3 37. f6 gxf6 38. Bxf6 Rxe4 39. Kg2 Rce8 40. h4 Re2+ 41. Rxe2 Rxe2+ 42. Kf1 Re3 {Strongly threatening ...Rf3+.} 43. Kg2 Re6 44. Bd4 {Precision: White = 39%, Black = 80%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Van Foreest, Jorden"]
[Black "L'Ami, Erwin"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2629"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,8,32,25,45,27,44,42,39,31,24,25,27,5,27,20,30,14,23,19,44,41,52,35,45,29,30,37,30,23,20,18,37,0,13,10,4,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 7. O-O Be7 8. Re1 O-O 9. Nbd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (9. c4 Nc6 10. cxd5 Qxd5 11. Nc3 Nxc3 12. bxc3 Rae8 13. Bf4 Bd8 14. c4 Qd7 15. Bxf5 Qxf5 16. Qd2 Na5 17. Rec1 Re4 {½-½ (58) Anand,V (2776)-Li,C (2728) Germany 2017}) 9... Nd6 10. Nf1 Nd7 {LiveBook: 4 Games} 11. Bf4 {White is slightly better.} Bg6 12. c3 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Ne3 c6 13. b3 Re8 14. c4 Nf6 15. Ne5 {1-0 (39) Lopez,M (2285)-Busto,B (2000) Mexico 1994}) 12... c6 13. Bxg6 fxg6 14. Ng5 Bxg5 ({Don't play} 14... Rxf4 $6 15. Ne6 $16) 15. Bxd6 Rf7 16. Qg4 Nf6 {[%cal Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 17. Qxg5 {[#] Hoping for Ba3.} Qxd6 18. Nd2 {[%cal Bf1d2,Bd2f3,Bf3e5][%mdl 32]} Raf8 19. Re3 Nh5 20. Nf3 Nf4 21. Qg3 h6 22. Rae1 g5 23. Ne5 Rf5 24. Qg4 Ng6 25. Nd3 {[#] Threatens to win with Re6.} Nf4 {Strongly threatening ...Nxd3.} 26. Ne5 Ng6 {The position is equal.} 27. Nxg6 Qxg6 28. Re6 R5f6 29. Rxf6 Qxf6 30. Qe2 g4 31. Qe6+ {Precision: White = 73%, Black = 53%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Bok, Benjamin"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2607"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,22,17,16,19,12,15,17,39,35,29,36,52,52,59,8,10,16,10,16,24,14,17,14,12,6,7,8,6,6,6,6,7,-17,-14,-16,-13,-32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,867]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. e3 c6 7. Nf3 O-O 8. a4 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} Qc7 $146 ({Predecessor:} 8... b6 9. cxd5 exd5 10. Bd3 Ba6 11. O-O c5 12. Ne5 Re8 13. a5 Bxd3 14. Nxd3 {1-0 (39) Caruana,F (2805)-Hou,Y (2676) Dortmund 2015}) 9. Ba3 Rd8 10. Rc1 Nbd7 11. cxd5 cxd5 12. Be2 Ne4 13. O-O Nb6 14. c4 (14. Bd3 $14) 14... Nxc4 $11 15. Bxc4 dxc4 16. Ne5 Nd2 17. Re1 f6 18. Qxd2 fxe5 19. Qb4 a5 20. Qxc4 Qxc4 21. Rxc4 exd4 22. exd4 Bd7 23. Rc7 {[#] And now Be7 would win.} Bxa4 24. Rxb7 Rxd4 25. h3 Bd7 26. Bb2 {The position is equal.} Rd5 27. Rc1 a4 {White should prevent ...a3.} 28. Rcc7 a3 29. Bxa3 Rxa3 30. Rxd7 Rxd7 31. Rxd7 {[%mdl 4096] Endgame KR-KR} Kf8 32. Kh2 h6 33. f3 Kg8 34. Re7 Ra6 35. h4 Kh7 36. g4 Kg6 37. Kg3 Kf6 38. Rb7 Ra4 39. h5 Ke5 $2 {[%mdl 40960] Precision: White = 59%, Black = 73%. . An unexpected result.} (39... Ra3 $11) 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Tari, Aryan"]
[Black "Harika, Dronavalli"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2599"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,0,0,0,0,0,-13,0,0,0,0,35,37,39,33,39,33,41,45,62,62,83,75,67,0,64,0,74,33,48,40,56,53,53,41,79,27,40,0,7,0,41,0,6,0,0,0,5,22,49,0,0,-29,-18,-17]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 Ba6 11. a4 {E05: Open Catalan: 5 Nf3 Be7} Qd6 12. Qd2 {LiveBook: 3 Games} Rfb8 13. Qa5 Rb6 {[#]} 14. Rd1 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Re1 Bb7 15. Qc3 Qb4 16. Qxb4 Rxb4 17. Bd2 Rb2 18. Bc3 Rc2 {½-½ (60) Wang,Y (2734)-Zhou,J (2660) Xinghua Jiangsu 2011}) 14... Rab8 15. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Qf8 16. Bd2 h6 17. a3 {[%mdl 1024] White has compensation.} Qc8 18. Bb4 Nd7 19. Qh5 Qe8 20. e5 Nf8 {[%cal Bd7f8,Bf8g6,Bg6e7,Be7d5,Bd5b6][%mdl 32]} 21. Qf3 Bb7 22. Qc3 Ba6 23. Qf3 Bb7 $1 24. Qc3 Ba6 25. Bf1 Ng6 26. Bxc4 Bxc4 27. Qxc4 Ne7 28. Bc5 R6b7 29. a5 ({Better is} 29. Bxe7 $16 Qxe7 30. Qxc6) 29... Nd5 30. a4 Rb2 31. a6 Qc8 32. Rdc1 Nb6 33. Qc3 Nd5 34. Qc4 Nb6 35. Qd3 {[#] Black must now prevent Ba3.} Nd5 36. Bxa7 Ra8 37. Qa3 Rd2 38. Bc5 {Precision: White = 52%, Black = 61%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.27"]
[Round "12"]
[White "Girya, Olga"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2489"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,52,33,4,19,-12,8,-29,-22,-33,12,-25,-22,-52,-40,-98,-98,-103,-105,-103,-117,-120,-107,-243,-245,-225,-243,-225,-73,-281,-281,-361,-362,-560,-566,-1381,-1364,-1333,-1260]} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nd2 Bg7 5. e4 fxe4 6. Nxe4 Nxe4 7. Bxe4 d5 8. Bg2 {A81: Dutch Defence: 2 g3} Nc6 9. Ne2 {LiveBook: 4 Games} (9. c3 e5 10. Be3 exd4 11. cxd4 O-O 12. Ne2 Bg4 13. Qb3 Bxe2 14. Qxd5+ Kh8 15. Qxd8 Raxd8 16. Bxc6 {0-1 (31) Arkell,K (2438)-Pruijssers,R (2502) chess.com INT 2017}) 9... Bg4 {Threatens to win with ...Nxd4!} 10. f3 {The position is equal.} Bf5 $146 ({Predecessor:} 10... Be6 11. c3 Qd7 12. O-O Bh3 13. Bxh3 Qxh3 14. Nf4 Qd7 15. Re1 Nd8 {1-0 (48) Gerusel,M-Henningsen,J Voelklingen 1970}) 11. O-O Qd6 12. c3 e5 13. Be3 O-O-O 14. Qd2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 15. Rae1 ({White should try} 15. Rf2 $15) 15... h4 $1 $36 {[%mdl 2048] Black is really pushing.} 16. g4 h3 17. Bh1 Bd7 18. Rd1 Rde8 19. dxe5 (19. Rfe1 $17) 19... Qxe5 $19 20. Bd4 Nxd4 ({Stronger than} 20... Qxe2 21. Bxg7 Rh7 22. Bf6 $14) 21. Nxd4 Bxg4 $2 (21... Qd6 $19 {is more deadly. Hoping for ...Be5.} 22. Nb3 Be5) 22. Rde1 $2 ({Don't go for} 22. fxg4 $2 Bh6 $19) (22. Rfe1 $17 Qh5 23. Rxe8+ Rxe8 24. fxg4 Qxg4+ 25. Kf2) 22... Qh5 23. Rxe8+ Rxe8 24. fxg4 (24. Qf2 {might work better.} Bd7 25. f4) 24... Qxg4+ {Black is clearly winning.} 25. Kf2 {[#]} Qh4+ $1 26. Kg1 {[#]} Bh6 $1 {Precision: White = 14%, Black = 71%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Vidit, Santosh Gujrathi"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2718"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,47,12,20,13,16,19,14,15,12,12,12,10,8,11,0,3,12,4,19,30,33,16,38,38,35,38,41,27,33,36,23,20]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 {LiveBook: 24 Games} 10. Bd2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} O-O 11. Rac1 Bd7 12. Be2 {The position is equal.} Rfd8 $146 ({Predecessor:} 12... Ba7 13. Ng5 Rfd8 14. Nce4 Nxe4 15. Nxe4 Be8 16. Be1 Rxd1 17. Bxd1 Ne5 {½-½ (38) Jakovenko,D (2710)-Giri,A (2762) Antalya 2017}) 13. Na4 Ba7 14. Be1 Be8 15. Rxd8 Nxd8 16. b3 Nd5 17. Kf1 Nc6 18. Nc5 Rb8 19. a3 Nce7 20. Ne5 Rc8 21. Ned3 Rc7 22. b4 Bxc5 23. Rxc5 Bb5 24. Rxc7 {Precision: White = 70%, Black = 59%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Amin, Bassem"]
[Black "Bok, Benjamin"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2693"]
[BlackElo "2607"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,121,0,-21,0,-16,4,-18,6,10,8,18,51,41,48,47,48,49,65,58,81,79,80,63,77,77,89,91,83,49,105,16,31,19,31,0,20,16,9,6,12,16,12,0,0,0,38,-3,-3,-3,-3,-3,-4,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e5 7. c3 Nge7 8. a3 O-O 9. b4 a6 10. Nbd2 {A04: Holländisches System ohne Übergang in andere Systeme} h6 (10... Be6 11. Ng5 Bd7 12. Nc4 h6 13. Nxd6 hxg5 14. Nxb7 Qc8 15. Nxc5 g4 16. Bg5 Re8 17. Qb3 Nd8 {0-1 (47) Petrosian,T (2601)-Carlsen,M (2837) Riadh 2017}) 11. Rb1 Be6 12. Re1 {LiveBook: 3 Partien} b6 $146 ({Vorgänger:} 12... Qd7 13. Nc4 Rad8 14. Nb6 Qc7 15. bxc5 dxc5 16. Qc2 Nc8 17. Nd5 Bxd5 18. exd5 Rxd5 {1-0 (76) Shoker,S (2474)-Priyadharshan,K (2460) Saint Louis 2014}) 13. Nc4 Rb8 14. bxc5 bxc5 (14... dxc5 {is more complex.} 15. Be3 b5 16. Nb2 Qd6 17. Qc1 h5) 15. Rxb8 Qxb8 16. Qa4 a5 17. Nfd2 Qc7 18. Ne3 Bd7 19. Ndc4 Ra8 20. Bd2 Nd8 21. Qc2 Rb8 22. a4 h5 23. f4 f6 24. Qd1 Nf7 25. Rf1 Qc6 (25... exf4 $14 26. gxf4 h4) 26. Nxa5 (26. f5 $16 {Droht Sd5 und aus.} gxf5 27. exf5 (27. Nxf5 Nxf5 28. exf5 Qxa4 $14) (27. Qxh5 Qxa4 28. Qh4 Qa2 $11) 27... Qxa4 28. Nd5 (28. Qxh5 Bc6 $11) 28... Nxd5 29. Qxa4 (29. Bxd5 Qxd1 30. Rxd1 Kf8 $11) 29... Bxa4 30. Bxd5) 26... Qxa4 $11 27. Qxa4 Bxa4 28. Bh3 Kf8 29. Nac4 exf4 30. gxf4 f5 31. exf5 Bd7 {[%cal Rg6f5]} 32. Re1 gxf5 33. Bg2 Rb3 34. Nd5 Nxd5 {Die Stellung ist ausgeglichen.} 35. Bxd5 Bxc3 36. Bxc3 Rxc3 37. Re3 Rc1+ 38. Kf2 Rc2+ 39. Re2 Rxe2+ 40. Kxe2 Ke7 41. Bxf7 Kxf7 42. Nxd6+ {[%mdl 4096] Endspiel KL-KS} Ke6 43. Nc4 Bb5 44. Ne3 Bd7 45. Nf1 Be8 46. Ke3 Kd5 47. Kd2 Kd6 48. Ng3 Bg6 49. Ne2 Bf7 50. Ke3 Kd5 51. Nc3+ Kc6 52. Kd2 Kd6 53. Ne2 Kd5 54. Ng3 Bg6 55. Nf1 Be8 56. Ne3+ Ke6 57. Kc3 Bd7 58. Nc4 Be8 59. Nb6 Bb5 60. Nc4 Be8 61. Ne3 {Precision: Weiß = 65%, Schwarz = 64%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Bluebaum, Matthias"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2640"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,12,10,29,29,55,62,41,54,143,89,89,101,100,100,133,79,153,137,135,137,173,155,255,241,290,319,289,270,293,279,304,295,303,0,251,236,254,0,0,0,0,0,0,-174,-168,-167,-164,-152,-168,-312,-294,-295,-306,-297,-293,-263,-244,-360,-370,-368,-208,-29994,-29991,-29996,-29997,-29997,-29998]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 c5 7. Ne2 Bg7 8. Qd2 {LiveBook: 4 Games} O-O {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} 9. d5 h6 10. Bh4 g5 {White is slightly better.} 11. Bg3 e5 $146 (11... Bf5 $14) ({Predecessor:} 11... e6 12. Nc3 exd5 13. cxd5 Bf5 14. d6 Nc6 15. Nd5 {1-0 (59) Rychagov,A (2561)-Ofitserian,B (2285) Voronezh 2015}) 12. h4 (12. Nc3 $142) 12... g4 $16 13. Nc3 f5 14. h5 a6 15. d6 (15. O-O-O $142) 15... Nc6 (15... Kh8 $142) 16. Qd5+ Rf7 17. Qxc5 Be6 18. Bh4 Qf8 (18... Bf6 $16) 19. Nd5 $18 g3 20. fxg3 ({Don't take} 20. Bxg3 $6 Rd8 $16) 20... Rc8 21. Nb6 Rb8 22. O-O-O f4 23. Nd5 Rc8 24. Nb6 Rb8 25. gxf4 exf4 26. exf4 $2 ({White should play} 26. Be2 $18) 26... Rxf4 $11 27. Nd5 Bxd5 $1 28. Qxd5+ Kh8 {...Rxh4! is the strong threat.} 29. Bg3 $2 (29. g4 $11 Rxg4 30. Qd2) 29... Qf6 $1 $19 {[%csl Gg7][%cal Rf6b2][%mdl 1024] Black has strong compensation.} 30. Qd2 e3 $1 {[%cal Re3d2]} 31. Qc3 {[#] And now Qxf6 would win.} Qe6 $1 32. Qa3 (32. Qd3 {is a better defense.} Rg4 33. Be1) 32... Rg4 {[%cal Bf4g4,Bg4g2,Bg2b2][%mdl 32]} 33. Be1 e2 34. Bxe2 Qxe2 35. Bc3 Qxc4 ({Don't play} 35... Rxc4 36. Rhe1 $17) 36. Rh3 (36. Rhe1 {might work better.}) 36... Rxg2 37. d7 Nd4 (37... Rd8 $142 38. Re3 Qf4 39. Bxg7+ Rxg7) 38. Qd6 $2 (38. Re3 $19 Kh7 {[#]} 39. Rxd4 $1 {[%mdl 512]} Bxd4 40. Qe7+ Bg7 41. d8=Q Rxd8 42. Qxd8) 38... Ne2+ {Black mates.} 39. Kb1 Nxc3+ 40. Rxc3 {[#]} Rxb2+ $1 {[%mdl 512] Precision: White = 55%, Black = 61%.} 0-1

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "L'Ami, Erwin"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2634"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,42,12,0,23,20,16,15,0,0,0,3,25,8,18,23,21,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 Rd8 11. Be2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Nc6 (11... cxd4 12. cxd4 Qxd2+ 13. Bxd2 Na6 14. d5 Bd7 15. O-O Rac8 16. Be3 Nb4 17. Rxc8 Bxc8 18. Bc4 b6 {½-½ (35) Sjugirov,S (2650)-Svidler,P (2765) St Petersburg 2017}) 12. d5 e6 13. Bg5 f6 14. Bf4 {LiveBook: 3 Games} Qa4 15. Qc2 Qxc2 16. Rxc2 exd5 17. exd5 Ne7 18. c4 $146 ({Predecessor:} 18. Bc7 Re8 {½-½ (92) Ekeberg,C (2303)-Grandelius,N (2600) Reykjavik 2014}) 18... Nf5 19. Bd3 Bf8 20. O-O Bd7 21. Bc1 Re8 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Gordievsky, Dmitry"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2622"]
[BlackElo "2652"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,155,22,51,44,52,52,40,38,69,6,60,72,55,71,52,50,34,36,54,35,47,45,41,17,18,11,41,0,0,12,131,125,129,129,204,195,193,204,193,189,185,125,139,139,145,135,140,139,135,100,85,81,114,111,126,100,95,93,123,86,86,86,86,95,104,112,100,107,95,95,126,123,99,49,208,201,212,106,51,0,194,203,189,93,90,49,49,0,99,49,49,49,49,39,31,31,99,99,99,99,99,99,99,99,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,106,106,506,507,466,447,587,228,584,524,610,602,12813,12814,12808,12806,12798,12805,12499,10780]} 1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. Bg2 Nf6 5. c4 c6 6. O-O O-O 7. Qb3 e6 8. Nc3 Nbd7 9. Bf4 {D78: Grünfeldindisch (Fianchetto 6.0-0 c6)} b6 {LiveBook: 4 Partien} (9... Re8 10. Rfd1 Nh5 11. Bg5 Nhf6 12. e4 h6 13. Bxf6 Nxf6 14. e5 Nd7 15. Rac1 Nf8 16. h4 b6 {1-0 (56) Papaioannou,I (2637)-Mista,A (2599) Achaea 2017}) 10. cxd5 exd5 11. Rfe1 $146 {Weiß steht etwas besser.} ({Vorgänger:} 11. Ne5 Nxe5 12. Bxe5 Be6 13. Qa4 Qd7 14. Rfd1 a5 15. Rac1 Rfc8 16. Qb3 b5 17. Qc2 a4 18. b3 Ra6 19. e3 axb3 20. axb3 Rca8 21. Qb2 {½-½ (21) Busch,K (2420)-Jasnikowski,Z (2435) Vanlose 1991}) 11... Bb7 12. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} c5 13. Bd6 (13. a5 $14) 13... c4 (13... Re8 $1 $11) 14. Qa3 $14 Re8 15. Nd2 Rc8 16. a5 h5 17. e3 Bc6 18. b3 b5 19. bxc4 bxc4 20. h4 Nf8 21. Rab1 Ne6 22. Red1 Ng4 {Weiss sollte ...Sxd4! verhindern.} 23. Nf3 f6 (23... Qd7 $11) 24. Nh2 $1 $36 {[%mdl 2048] Läuft bei Weiss.} Nh6 25. e4 $1 {[%cal Be3e4,Be4d5,Bd5c6][%mdl 32]} ({Nur nicht} 25. Bxd5 $2 Bxd5 26. Bc5 (26. Nxd5 $2 Nf5 $19) 26... Qd7 $19) 25... Nf7 (25... Nc7 $16 {war angesagt.}) 26. exd5 $18 {Schwarz muss nun Lb4 beachten.} Qxd6 27. Qxd6 Nxd6 28. dxc6 f5 29. Bd5 (29. Nf3 $1 $18) 29... Kf8 $16 {[#]} 30. Bxe6 $1 Rxe6 31. d5 Bxc3 32. dxe6 Rxc6 33. Nf3 Ke7 34. Nd4 Bxd4 35. Rxd4 Kxe6 {[%mdl 4096] Endspiel KTT-KTS} 36. Re1+ Kf6 37. f3 c3 38. Rc1 Nb5 39. Rd5 a6 40. Kf2 Rc4 41. Ke3 Ke6 42. Rd8 Ra4 43. Kd3 Rxa5 44. Re1+ Kf6 45. Rb8 {[%mdl 1024] Und Tb6+ würde nun gewinnen. Weiss hat starke Kompensation.} c2 $2 ({Lieber} 45... Ra2 $14) 46. Rb6+ $18 Kf7 47. Rb7+ (47. Kxc2 $18 Nd4+ 48. Kc3 Nxf3 49. Ree6) 47... Kf6 $16 48. Rb6+ (48. Kxc2 $14 f4 49. Rb6+ (49. gxf4 Nd4+ 50. Kd3 Nxf3 $14) 49... Kf5 50. g4+ hxg4 51. fxg4+ Kxg4 52. Rxg6+ Kf5 53. Rg5+ Kf6 54. Re8) 48... Kf7 $1 $18 49. Kxc2 Nd4+ 50. Kd3 (50. Kc3 $18 {und der Rest ist Schweigen.} Nxf3 51. Ree6) 50... Nxf3 $16 51. Rb7+ Kf6 52. Rb6+ Kf7 53. Rc1 Ra3+ $1 54. Ke2 {Droht Matt per Tc7+.} Nd4+ 55. Kf1 {Weiss will mit Tc7+ Matt setzen.} Ne6 56. Rcc6 Rf3+ ({Günstiger ist} 56... Ra1+ $14 57. Kg2 Ra2+ 58. Kg1 (58. Kh3 Re2 $16) 58... Ra1+ 59. Kf2 Ra2+ 60. Ke3 Ra3+ 61. Kf2 Ra2+ 62. Ke1 Ra1+ 63. Kd2 Ra2+ 64. Kc1 Re2 65. Rxa6 Kf6) 57. Kg2 Re3 58. Rxa6 Re2+ 59. Kf1 Re4 60. Kf2 Kf6 61. Kf3 Kf7 62. Rcb6 g5 63. Ra7+ Kf6 {[#]} 64. Rh7 $1 {[%cal Rh7h5]} Kg6 65. Re7 g4+ 66. Kg2 Kf6 67. Rh7 {Droht Th6+ und aus.} Kg6 68. Ra7 Kf6 69. Ra2 f4 $2 {[%mdl 8192]} (69... Re1 $16 70. Ra4 Re2+ 71. Kf1 Re5) 70. gxf4 $18 Kf5 71. Rb5+ Kxf4 72. Rf2+ Ke3 73. Kg3 {Weiß steht klar auf Gewinn.} Nd4 74. Rxh5 Ne2+ {[#]} 75. Rxe2+ $1 {[%mdl 512]} Kxe2 76. Ra5 Rb4 77. h5 Rb1 78. Kxg4 {Precision: Weiß = 71%, Schwarz = 62%.} 1-0

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Harika, Dronavalli"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2497"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,4,17,10,4,11,28,35,50,48,93,89,89,89,82,45,66,50,48,36,40,44,48,43,49,45,97,80,130,135,135,128,132,74,74,80,84,83,116,116,116,55,57,68,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,109,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 Bb6 7. a4 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Re1 O-O 9. h3 h6 10. Nbd2 Ne7 11. Nf1 Ng6 {LiveBook: 4 Games} 12. Ng3 c6 13. Bb3 {[#]} Be6 $146 ({Predecessor:} 13... Re8 14. d4 {½-½ (32) Karjakin,S (2785)-Anand,V (2779) Doha 2016}) 14. d4 exd4 15. cxd4 d5 {[#]} 16. e5 $1 {[%cal Re5f6]} Nd7 17. Bc2 c5 18. Nh5 cxd4 19. Bxg6 fxg6 20. Nf4 Qe8 21. Nxd4 Bxd4 22. Qxd4 Rc8 {White should prevent ...Rc4.} 23. Be3 ({Of course not} 23. Nxd5 Nc5 $17) 23... Nc5 (23... Rf5 $14) 24. Rad1 $16 b6 25. b4 (25. Nxd5 $2 Rd8 $17) 25... axb4 26. Qxb4 Qc6 27. Nxe6 (27. Nxg6 $142 Rfe8 28. a5 bxa5 29. Qxa5) 27... Qxe6 28. a5 bxa5 29. Qxa5 d4 30. Bxd4 Nb3 31. Qb5 (31. Qa4 $16) 31... Nxd4 $14 32. Rxd4 Rc2 33. Re2 Rxe2 34. Qxe2 $16 {[%mdl 4096] Endgame KQR-KQR} Re8 35. Re4 g5 36. Kh2 Kf7 37. Re3 Re7 38. Qd3 Kg8 39. Qe4 Re8 40. Qd4 Re7 41. Qd8+ Re8 42. Qd6 ({White should try} 42. Qd2 $16) 42... Qxd6 $1 $11 {The position is equal.} 43. exd6 {KR-KR} Rd8 44. Rd3 Kf7 45. Kg3 Ke6 46. Re3+ Kxd6 47. f4 gxf4+ 48. Kxf4 Rf8+ 49. Kg4 Rf6 50. h4 Re6 51. Rxe6+ Kxe6 52. Kf4 Kf6 53. Ke4 {Precision: White = 66%, Black = 76%.} 1/2-1/2

[Event "80th Tata Steel Challengers 2018"]
[Site "Wijk aan Zee"]
[Date "2018.01.28"]
[Round "13"]
[White "Van Foreest, Lucas"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2481"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "NED"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,16,54,54,46,29,43,24,5,3,8,2,-1,0,0,8,47,0,0,0,21,21,32,29,24,27,67,50,100,97,106,57,77,63,110,111,124,83,138,112,126,138,164,107,112,65,216,194,191,208,285,140,131,129,258,268,661,635,816,546,545,543,537,514,514,397,1558,1400]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Bb4+ {[%cal Bf8b4,Bb4a5,Ba5c7][%mdl 32]} (5... c5 6. Be3 cxd4 7. Nxd4 Ne7 8. Nd2 Nbc6 9. N2f3 Bg4 10. O-O g6 11. h3 Bxf3 12. Nxf3 Bg7 13. Bf4 O-O 14. c3 Qc7 15. Re1 Nxe5 {½-½ (59) Dominguez Perez,L (2739)-So,W (2788) Saint Louis 2017}) 6. c3 {B12: Caro-Kann: Advance Variation} Ba5 7. Nbd2 Nd7 8. b4 $146 {White is slightly better.} ({Predecessor:} 8. Nf1 f6 9. Ng3 Ne7 10. exf6 Nxf6 11. O-O O-O 12. Qb3 Bb6 13. c4 dxc4 14. Bxc4 {1-0 (32) Tsydypov,Z (2485)-Abhishek,K (2381) Moscow 2017}) 8... Bc7 9. Nb3 f6 {[%cal Rf6e5]} 10. Bf4 Ne7 11. Bg3 Ng6 {[%cal Rf6e5]} 12. exf6 gxf6 13. c4 dxc4 14. Bxc4 Nb6 {[%cal Bd7b6,Bb6d5,Bd5f4][%mdl 32]} 15. Bd3 Bxd3 16. Qxd3 Nd5 17. O-O Ndf4 18. Qe3 Rg8 19. Nc5 Qd5 20. Ne4 ({Don't play} 20. Nxb7 Nxg2 21. Qb3 (21. Kxg2 Nh4+ 22. Kh1 Nxf3 $17) (21. Qh6 $2 N2f4 $19) 21... N2f4 $15) 20... Kf7 21. Rac1 h5 22. Rc5 $36 {[%mdl 2048] White is on the roll.} Qd8 23. h4 Qe7 (23... a6 $142) 24. b5 Nd5 25. Qb3 ({Of course not} 25. Qh6 $6 Bf4 $11) 25... Ngf4 26. bxc6 (26. Re1 $18) 26... b6 $16 27. Rc2 Rg4 $2 ({Black should play} 27... Qb4 $14) 28. Bxf4 $1 $18 Rxf4 {[#]} 29. Re2 $1 Rg8 30. g3 (30. Rfe1 $18 {has better winning chances.} Rf5 {[#]} 31. Ng3 $1 {[%mdl 512]} Bxg3 32. fxg3 (32. Rxe6 Bxf2+ 33. Kxf2 Qxe6 $14) 32... Rxg3 33. Rxe6 Qxe6 34. Rxe6 Kxe6 35. c7) 30... Rf5 $16 31. Kh1 Qf8 (31... Qb4 $16 32. Qd3 a6) 32. Rfe1 $18 Qb4 $2 (32... Qd8 33. Ned2 Re8) 33. Qd3 Qe7 34. Nc3 Nxc3 35. Qxf5 {[%cal Re2e6]} Nxe2 36. Qxh5+ Rg6 {Black wants to play ...Nc3.} 37. Rxe2 {Black must now prevent d5.} Qa3 $2 (37... Qd6 38. Re5 Kg7) 38. d5 {Precision: White = 64%, Black = 38%.} 1-0

