[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Bruzon Batista, Lazaro"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2660"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,101,13,18,0,17,18,23,13,19,22,24,12,43,21,12,8,40,25,66,8,31,14,58,28,85,82,90,79,154,160,145,53,94,56,64,63,79,64,64,64,63,59,54,41,49,58,52,52,52,22,27,44,27,26,228,212,210,216,593,589,591,566,586,541,537,529,514,518,503,493,468,441,419,255,446,399,675,716,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 c5 8. O-O O-O 9. Bxb4 cxb4 10. Qd3 a5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} 11. Nbd2 d6 {LiveBook: 16 Games} 12. Nh4 (12. e4 e5 13. Ne1 Nc6 14. Nc2 {1-0 (46) Jakovenko,D (2724)-Bologan,V (2712) Poikovsky 2012}) 12... Bxg2 {The position is equal.} 13. Nxg2 Re8 14. Rfd1 Nbd7 $146 ({Predecessor:} 14... Nc6 15. Ne3 Qd7 {½-½ (15) Schmidt,T (2572)-Hiltunen,R (2469) ICCF email 2008}) 15. e4 e5 16. Ne3 Nf8 17. f3 Ne6 18. Nc2 h5 19. Nf1 h4 20. Qe3 (20. dxe5 $14 dxe5 21. Qxd8 Rexd8 22. Nfe3) 20... Qc7 21. Rd2 Rad8 22. Rad1 Qb8 (22... Qe7 $11 {remains equal.}) 23. d5 $16 Nf8 {[%cal Be6f8,Bf8d7,Bd7c5][%mdl 32]} 24. Qg5 hxg3 ({Black should play} 24... Ng6) 25. hxg3 (25. Nxg3 $6 N6h7 $11) 25... N6h7 26. Qe3 (26. Qh5 $16) 26... Qc7 27. a3 bxa3 28. Nxa3 Nd7 29. Nb5 Qc5 30. Kg2 Qxe3 31. Nxe3 Nc5 32. Nf5 Nb7 33. Nc7 {aiming for Rh1.} Rf8 34. Ne7+ Kh8 35. Rh1 g6 $1 (35... Rd7 $6 36. Kf1 $16 (36. Ne6 Re8 $11)) 36. Nc6 Rd7 37. Nb5 $36 {[%mdl 2048] Black is under pressure.} f5 $2 {[#]} (37... Nc5 $11 {and Black is okay.}) 38. f4 $1 $18 exf4 39. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} ({Worse is} 39. gxf4 fxe4 40. Rh4 Nc5 $11) 39... fxg3 $2 (39... dxe5 {is more resistant.} 40. Nxe5 f3+ 41. Kxf3 Rg7) 40. e6 Rg7 41. e7 Re8 {[#]} 42. Re2 $1 Rgg8 {If only Black now had time for ...Kg7....} 43. c5 Nxc5 44. Nxd6 Kg7 45. Nxe8+ Rxe8 46. d6 {[%cal Bd5d6,Bd6d7,Bd7e8][%mdl 32]} Nf6 47. Ne5 Nd5 $2 (47... Nfe4) 48. Nd3 {Threatens to win with Nxc5.} Nxd3 $2 (48... Nb7 49. d7 (49. Re5 Nf6 $16) 49... Rxe7 50. Rxe7+ Nxe7) 49. d7 N5f4+ 50. Kf3 g2 51. dxe8=N+ {Precision: White = 52%, Black = 39%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Sambuev, Bator"]
[Black "Ruiz Sanchez, Orlen"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2535"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,61,60,11,15,13,37,12,33,15,34,29,79,83,79,85,82,62,83,76,133,131,114,125,218,225,189,185,202,189,377,379,343,332,316,326,338,320,359,362,518,502,497,422,489,483,474,468,448,442,548,543,537,537]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nd4 4. e3 Nxf3+ 5. Qxf3 g6 6. g4 {LiveBook: 4 Games. A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} (6. b3 Bg7 7. Bb2 d6 8. g3 e6 9. Bg2 Ne7 10. O-O O-O 11. Rad1 Nc6 12. Qe2 e5 13. a3 Re8 14. Nd5 a5 15. Rb1 Be6 16. Bc3 {0-1 (79) Rodshtein,M (2652)-Caruana,F (2767) Plovdiv 2012}) 6... h5 $146 ({Predecessor:} 6... d6 7. Bg2 Bg7 8. Qe2 Nh6 9. h3 Rb8 10. O-O f5 11. g5 Nf7 12. f4 O-O 13. d3 Bd7 {½-½ (21) Medvegy,Z (2531)-Galyas,M (2484) Germany 2011}) 7. g5 Bg7 8. b3 {White is slightly better.} Rb8 9. Bb2 d6 10. Qe2 Bd7 11. Bg2 $36 {[%mdl 2048] White is really pushing.} h4 12. f4 a6 13. O-O Qc8 14. d3 Bg4 ({Black should play} 14... Rh7) 15. Bf3 $16 Bxf3 16. Rxf3 f5 (16... Rh5 $16 17. Ne4 Bxb2 18. Qxb2 Kf8) 17. Nd5 $18 Bxb2 18. Qxb2 Rh7 19. e4 fxe4 $2 {[#]} (19... e6 {might work better.}) 20. dxe4 Rf7 21. Qh8 Qg4+ 22. Kf2 Kd7 23. h3 Qe6 24. Re1 Rbf8 (24... Kc6 $142 25. b4 (25. Qxh4 b5 $18) 25... b6) 25. Qc3 {White is clearly winning.} Kc8 26. e5 Kb8 27. exd6 Qxd6 {With the idea ...e6.} 28. Qe5 Rd8 29. Rfe3 Rd7 30. Qxd6+ Rxd6 31. Re6 {Precision: White = 90%, Black = 26%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Alvarez Pedraza, Aramis"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2489"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,101,38,12,27,39,38,27,36,27,37,40,50,37,45,33,53,50,69,63,67,66,81,75,120,121,118,120,130,115,115,131,232,238,235,241,235,233,234,235,245,245,261,279,286,273,279,264,283,279,279,261,298,230,230,230,265,230,214,0,276,262,325,257,237,191,193,185,299,290,291,291,298,0,0,0,0,0,0,0,0,0,480,2,6161,-29977]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. Nbd2 a5 9. a4 Na6 10. Re1 {LiveBook: 6 Partien. A81: Holländische Verteidigung (Leningrader Variante)} (10. Nc4 Nb4 11. Ne1 Be6 12. Nd3 Bd5 13. f3 Qc7 14. Qd2 Nxd3 15. Qxd3 Bf7 16. e3 b5 17. Nd2 Nd5 {1-0 (35) Rakhmanov,A (2663)-Laznicka,V (2664) Linares 2017}) 10... Nb4 11. c3 Nbd5 12. e3 {Weiß steht etwas besser.} Qc7 13. Qc2 Bd7 14. Ba3 $146 ({Vorgänger:} 14. e4 fxe4 15. Nxe4 Nxe4 16. Qxe4 Bf5 17. Qe2 Rae8 {1-0 (53) Cuellar Gacharna,M (2345)-Gutierrez Castillo,J (2320) Bogota 1976}) 14... Kh8 15. Rac1 Rae8 16. Qb1 Qb8 17. Ng5 {[%cal Bf3g5,Bg5h3,Bh3f2,Bf2d3,Bd3e5][%mdl 32]} h6 18. Nh3 g5 19. f4 g4 20. Nf2 b5 {[#]} 21. axb5 $1 cxb5 22. c4 Nb4 23. Bxb4 axb4 24. Nd3 e5 (24... e6 $16 25. c5 (25. Nxb4 Qb6 $16) 25... dxc5) 25. fxe5 $18 ({Nicht} 25. Nxb4 exd4 26. exd4 bxc4 $14) 25... dxe5 26. Nxe5 Rxe5 27. dxe5 Qxe5 28. Qd3 bxc4 29. Nxc4 Qe7 30. Nd6 Ne8 31. Nxe8 Bxe8 32. Rc8 Bg6 33. Rxf8+ Qxf8 34. Rc1 Qe7 35. Rc8+ Kh7 36. Rc6 h5 37. Rb6 Qc5 38. Rc6 Qe7 $1 39. Kf2 Qa7 40. Bd5 Qa1 41. Qc2 Bc3 {[#]} 42. Kg2 $1 Qe1 (42... Kg7 {war nötig.} 43. Rc7+ Kf6) 43. Qf2 Qd1 44. Rd6 {Droht stark Lg8+.} Kg7 {Jetzt ...Le5 und Schwarz darf weiter klammern.} 45. Qf4 $2 ({Besser ist} 45. e4 $18 f4 46. Qxf4 Qe2+ 47. Qf2 Bxe4+ 48. Bxe4 Qxe4+ 49. Kg1) 45... Qe2+ 46. Kg1 Qe1+ 47. Kg2 Qd2+ 48. Kg1 {Weiss droht Td7+ und Matt.} Qe1+ 49. Kg2 Qd1 $2 {[%mdl 8192]} (49... Qe2+ $11 {und Schwarz steht sicher.} 50. Qf2 Qd3 51. Rd7+ Kf6) 50. Qf2 $2 ({Günstiger ist} 50. Bc4 $18 Qf3+ 51. Qxf3 gxf3+ 52. Kxf3) 50... Bd4 $2 {[%mdl 8192]} (50... Be5 $11 51. Rd7+ Kh6) 51. e4 $4 {[%mdl 40960] Precision: Weiß = 56%, Schwarz = 35%. . An unexpected result.} (51. Rd7+ $18 Kh8 52. exd4) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Thavandiran, Shiyam"]
[Black "Vettese, Nicholas"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2385"]
[BlackElo "2155"]
[Annotator "RC"]
[PlyCount "52"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Nd2 d5 9. exd5 Nxd5 10. Bc4 Nxc3 11. bxc3 Be7 12. Qh5 O-O 13. Ne4 Qc7 14. Bd5 Qd7 15. Qxe5 Rd8 16. O-O Qxd5 17. Qxe7 Nc6 18. Qh4 Bf5 19. f3 Bxe4 20. fxe4 Qc5+ 21. Qf2 Qxf2+ 22. Kxf2 Rac8 23. Be3 Re8 24. Rab1 Rxe4 25. Rxb7 Rxa4 26. Ke2 f6 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Sai Krishna G V"]
[Black "Huang, Qiuyu"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2369"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,59,28,28,41,58,58,194,172,283,287,438,436,426,396,410,415,392,391,1098,1151,29978,29979,1735,288,400,312,29997,29998]} 1. Nc3 c5 2. e4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. O-O-O Nxd4 12. Bxd4 b5 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} (13. e5 dxe5 14. Bxe5 Bc6 15. Qxd8 Rfxd8 16. Ne2 Bh6+ 17. Kb1 Nd7 18. Bd4 a5 19. a3 b4 20. axb4 axb4 {0-1 (47) Yu,Y (2744)-Jones,G (2625) Gibraltar 2016}) 13... a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 14. h5 a4 15. Bxf6 exf6 16. Bd5 f5 17. hxg6 hxg6 {LiveBook: 11 Games} 18. g4 f4 $146 ({Predecessor:} 18... fxg4 19. fxg4 Be6 20. Bxe6 fxe6 {1-0 (43) Wei,Y (2526)-Pham,C (2327) Ho Chi Minh City 2013}) 19. Qxf4 b4 ({Better is} 19... Qe7 $14) 20. Qxd6 $18 Qg5+ (20... Qf6 $142 21. Qxd7 (21. Qh2 Rfd8 $15) 21... bxc3) 21. f4 {[%cal Bf3f4,Bf4e5][%mdl 32]} Be5 (21... Qf6 {is a better defense.} 22. Qxd7 bxc3) 22. Qxe5 ({Not} 22. fxg5 Bxd6 23. Bb7 Bf4+ 24. Kb1 Rcd8 $16) (22. Qxd7 Qxf4+ 23. Kb1 Rc7 $18) 22... Qxe5 23. fxe5 bxc3 24. Rh6 {[#] Threatening mate with Rdh1.} cxb2+ 25. Kxb2 {Hoping for Rdh1.} Kg7 $2 (25... g5 26. Rdh1 Be6) 26. Rdh1 {Rh7+ would kill now.} g5 27. Rh7+ Kg8 28. R1h5 $2 {[#]} (28. R7h5 {[%cal Rh5g5]} Rxc2+ 29. Kxc2 Rc8+ 30. Kd2) 28... Rb8+ 29. Kc1 Rfe8 $2 (29... Be6 $18 30. R7h6 Kg7) 30. Rh8+ {Precision: White = 88%, Black =  4%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Gordon, David"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2199"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,-8,0,0,0,-3,0,0,0,-25,-21,-42,-33,-85,-82,-83,-104,-96,-96,-170,-171,-161,-168,-162,-160,-163,-197,-233,-200,-192,-213,-181,-183,-265,-266,-475,-471,-496,-501,-550,-550,-625,-620,-613,-504,-570,-450,-29961,-9708,-29963,-29966]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 O-O 6. Bg2 {D00: 1 d4 d5: Unusual lines} c6 7. Nd2 f5 (7... Be6 8. Ne2 Nd7 9. O-O f5 10. Rc1 Nf6 11. c4 dxc4 12. Nxc4 Bd5 13. Bxd5 Nxd5 {½-½ (22) Safarli,E (2657)-Iturrizaga Bonelli,E (2641) Berlin 2015}) 8. Ne2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 9. O-O Nf6 10. c4 dxc4 {LiveBook: 17 Games} 11. Nxc4 Bc7 12. b4 h5 $146 ({Predecessor:} 12... Be6 13. Qc2 {1-0 (45) Lavanant,A (2021)-Toux,S (1877) Bretagne 2006}) 13. h4 Be6 14. Nb2 Ng4 15. Qc1 a5 $36 {[%mdl 2048] Black fights for an advantage.} 16. bxa5 (16. Nd3 $15) 16... Rxa5 $17 17. a4 {[#]} g5 $1 18. hxg5 Qxg5 19. e4 (19. Nf4 $17 {was called for.} h4 20. Nxe6 fxe6 21. f4) 19... fxe4 $19 {And now ...Qg7 would win.} 20. Qxg5+ Rxg5 21. Bxe4 {[#]} h4 $1 {[%mdl 512]} 22. f4 {[#]} (22. gxh4 Rg7) 22... Rg7 $1 {White must now prevent ...Re8.} 23. f5 Bd7 24. f6 Rg5 {aiming for ...Re8.} 25. gxh4 Rh5 {...Re8 is the strong threat.} 26. Bf3 (26. Nc4 $142) 26... Rxh4 27. Bxg4 $2 (27. Nd3 {might work better.}) 27... Bxg4 (27... Rxg4+ $2 28. Kf2 $19) 28. Nf4 Rd8 29. Nbd3 Rxd4 30. Rae1 Bf5 31. Re8+ Kh7 32. Re7 Bxf4 33. Rxf7+ (33. Rxf4 $19 Rhxf4 34. Nxf4 Rxf4 35. Rxf7+ Kg6 36. Rxb7) 33... Kg6 34. Rg7+ Kxf6 {Precision: White = 36%, Black = 94%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Bolduc, Steve"]
[Black "Duong, Thanh Nha"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2173"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,86,27,0,41,43,34,39,41,37,38,63,66,65,97,-6,-14,-7,0,-78,-70,-67,24,7,10,0,0,0,0,0,0,0,0,0,0,0,0,-12,-23,-16,-17,-20,-20,-22,0,-27,-31,-225,-214,-275,-275,-275,-275,-275,-264,-258,-262,-253,-229,-587,-579,-560,-545,-529,-507,-505,-456,-900,-725,-1107,-1240,-1121,-911]} 1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. O-O a5 9. a4 Nge7 {C02: French: Advance Variation} (9... f6 $5 {[%cal Rf6e5]}) 10. Na3 Ng6 (10... h6 11. Nb5 O-O 12. Bf4 Ng6 13. Bg3 Nce7 14. h4 Bxb5 15. axb5 Nf5 16. Bxf5 exf5 17. Qa4 {1-0 (48) Nun,J (2376)-Kucera,P (2379) Czechia 2013}) 11. Qe2 O-O {White is slightly better.} 12. Nb5 f6 13. exf6 Rxf6 $146 ({Predecessor:} 13... gxf6 14. Bh6 Rf7 15. Rad1 Nce7 16. b4 axb4 17. cxb4 Bxb4 {0-1 (50) Belleau,D (1911)-Barclay,W (2243) Edmonton 2005}) 14. Bg5 Rf7 15. Qc2 (15. Bxg6 $16 hxg6 16. Qd3) 15... Raf8 $11 16. Bxg6 hxg6 17. Rae1 {[#]} ({Avoid the trap} 17. Qxg6 $2 Rxf3 18. gxf3 Ne5 $19) (17. Qd1 $11 {keeps the balance.}) 17... e5 $1 $17 {[%mdl 512]} 18. Be3 (18. Nxe5 Rxf2) 18... d4 (18... e4 $15 19. Bxc5 Qxc5) 19. cxd4 $11 exd4 20. Rc1 (20. Bc1 {is more complex.} Bb4 21. Bd2 Qc5 22. Qb3 Bxd2 23. Nxd2 Bf5 24. Ne4) 20... dxe3 21. Qxc5 Qxc5 22. Rxc5 exf2+ 23. Rxf2 Rf4 24. b3 Be6 25. Rb2 Bg4 26. Rc4 Bxf3 27. Rxf4 Rxf4 28. gxf3 Rxf3 {[%mdl 4096] Endgame KRN-KRN} 29. Nd6 Nd8 30. b4 Rd3 31. Nc4 $2 ({Better is} 31. Nb5 $15) 31... axb4 $19 32. Rxb4 Rd4 33. a5 Nc6 34. Ra4 {[#]} Ne5 $1 {[%mdl 512]} 35. Nb6 (35. Nxe5 Rxa4) 35... Rxa4 36. Nxa4 {With the idea Nc5. KN-KN} Nc6 37. a6 $2 (37. Kf2 {is more resistant.}) 37... bxa6 {Black is clearly winning.} 38. Kf2 Kf7 39. Ke3 a5 40. Kf4 Ke6 41. Kg5 (41. Ke4 $142 Kd6 42. Kd3) 41... Ne5 42. h4 Kd5 43. Kf4 Nf7 {Precision: White = 44%, Black = 73%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Tomb, Maroun"]
[Black "Hua, Eugene"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2155"]
[BlackElo "2220"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,28,28,43,39,13,48,43,61,56,79,79,174,163,170,161,154,154,175,78,47,39,41,39,82,86,89,52,80,19,20,19,18,25,78,84,79,52,56,55,65,24,24,23,45,31,38,23,23,22,22]} 1. e4 c5 2. Ne2 Nc6 3. Nbc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Nce2 Nf6 10. b3 Be7 11. c4 O-O 12. Bb2 Rac8 13. Rc1 {B80: Sizilianisch (Scheveninger System)} Qb8 {LiveBook: 5 Partien} 14. a4 (14. Qd2 b5 15. cxb5 Nxd4 16. Nxd4 axb5 17. a3 Rxc1 18. Rxc1 Rc8 19. Rxc8+ Qxc8 20. Nc2 e5 {½-½ (43) Huebner,R (2612)-Chernuschevich,A (2524) Switzerland 2011}) 14... Rfd8 15. Qd2 {Weiß steht etwas besser.} Nxd4 16. Nxd4 e5 $146 ({Vorgänger:} 16... Bc6 17. Qe2 Ne8 18. Rfd1 Nc7 19. Qg4 {½-½ (49) Murga,J (2209)-Jukemura,L (2089) Santos 2008}) 17. Nf5 Bxf5 18. exf5 b5 (18... Nd7 $16) 19. cxb5 $18 axb5 20. Rxc8 Rxc8 21. a5 d5 22. Ra1 (22. Re1 $18 {und Weiss behält klar die Oberhand.}) 22... Bc5 $16 23. b4 Ba7 $1 24. Qe2 ({Doch nicht} 24. Bxd5 Rd8 $17) 24... e4 25. Rd1 Rd8 26. Bxf6 gxf6 {[#]} 27. Bf1 (27. Qc2 $1 $16) 27... Qe5 28. Qg4+ Kh8 29. Bxb5 d4 (29... Qb2 $11) 30. Bc6 e3 31. fxe3 Qxe3+ 32. Kg2 {Droht stark b5.} Qc3 33. b5 {[#] Und Df4 würde nun gewinnen.} Qxa5 34. Qe4 Qc7 35. Kf3 Qd6 36. Rd3 Bb6 37. Kg2 Qc5 {Precision: Weiß = 53%, Schwarz = 42%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Chabot, Roland"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2153"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,145,22,22,16,17,0,21,15,43,44,48,37,51,41,26,0,0,-19,-22,-57,-53,-124,-9,-104,-26,-109,-55,-47,-49,-55,-52,-44,-50,-68,-68,-97,-93,-75,-87,-81,-97,-104,-101,-103,-77,-81,-62,-70,-21,-115,-50,-48,-48,-46,-35,-62,-57,-59,-51,-108,-108,-108,-98,-116,-96,-76,-59,-97,-59,-71,-72,-86,-55,-86,-93,-84,-40,-67,-20,-28,-20,-30,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-84,-46,-59,-29978,-29979,-29979,0,-29980,-29981,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29989,0,-29990,-29991,-29991]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 e6 8. Bd3 Be7 9. h3 O-O 10. Nf3 Bd6 11. Bxd6 Qxd6 12. O-O Bd7 13. a3 Rac8 14. Na4 {D13: Slav Defence: Exchange variation without ...Bf5} Rc7 $146 ({Predecessor:} 14... Na5 15. Nc5 Rc7 16. b4 Nc6 17. Qb3 Nb8 18. a4 Bc8 19. a5 Nbd7 20. Rfd1 Nxc5 21. bxc5 Qe7 {1-0 (41) Wiley,T (2294)-Halldorsson,J (2173) Reykjavik 2000}) 15. b4 Rfc8 16. Nc5 {The position is equal.} g6 17. Qd2 e5 {And now ...e4 would win.} 18. dxe5 Nxe5 19. Nxe5 Qxe5 20. f4 Qe7 21. Nxd7 Qxd7 22. f5 Qe7 23. Qf2 (23. Rae1 $15) 23... Rc6 (23... g5 $1 $17 24. Qg3 h6) 24. Rad1 (24. Qf4 $11) 24... Re8 ({Black should try} 24... g5 $17 25. Qg3 h6) 25. Rfe1 (25. b5 $11 {keeps the balance.} Rd6 26. bxa6) 25... Qe5 (25... Rc3 $17 26. a4 Ra3 27. fxg6 hxg6) 26. b5 Rc3 {[%cal Bc6c3,Bc3a3,Ba3a2,Ba2b2,Bb2b3][%mdl 32]} 27. bxa6 bxa6 28. fxg6 hxg6 29. a4 Re6 30. Qh4 Kg7 31. a5 Ra3 32. Qb4 Ra2 33. Bb1 Rb2 34. Qd4 Qxd4 (34... Rb5 {seems wilder.} 35. Qxe5 Rxe5 36. Bd3 Rxa5 37. Ra1 Rxa1 38. Rxa1 Rxe3 39. Bxa6 Ne4) 35. Rxd4 Rc6 36. Rf1 Rb3 37. Ba2 (37. e4 $11) 37... Rxe3 (37... Rb5 $1 $17 38. Rfd1 Rcc5) 38. Bxd5 $15 Rd6 39. Rfd1 Re5 40. Bb3 Rxd4 41. Rxd4 Rxa5 42. Ra4 ({Better is} 42. Kf2 $15) 42... Rxa4 $17 43. Bxa4 {[%mdl 4096] Endgame KB-KN} Ne4 44. Bc6 Nc5 45. Kf2 Kf6 46. Ke3 Ke5 47. Be8 Ke6 $1 48. Bc6 f6 49. Kd4 Kd6 50. Bf3 Ne6+ 51. Kc4 Ke5 52. Bb7 a5 {...Nd4 is the strong threat.} 53. Kb5 Kf4 54. Kxa5 Kg3 {White must now prevent ...f5.} 55. Kb4 Nf4 56. Kc5 $1 Nxg2 57. Kd6 $1 f5 58. Ke5 Nh4 59. Kf6 Kxh3 {Strongly threatening ...Kg4.} 60. Kg5 Kg3 61. Bd5 f4 {aiming for ...Nf5.} 62. Bb7 f3 63. Bxf3 $2 {[%mdl 8192]} (63. Bc6 $15) 63... Kxf3 ({Not} 63... Nxf3+ 64. Kxg6 $11) 64. Kxh4 $15 {KP-K} Kf4 65. Kh3 {[#]} g5 $1 {[%cal Bg6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 66. Kh2 Kf3 {[%cal Bf4f3,Bf3f2,Bf2g3,Bg3h3][%mdl 32]} 67. Kh3 {[#]} g4+ $1 68. Kh2 Kf2 69. Kh1 Kg3 70. Kg1 Kh3 71. Kh1 g3 72. Kg1 {intending Kh1.} g2 73. Kf2 {Precision: White = 46%, Black = 56%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Luksza, Arkadiusz"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2081"]
[BlackElo "2315"]
[Annotator "RC"]
[PlyCount "39"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Qc2 e6 5. Nf3 a6 6. Nbd2 Nbd7 7. Bd3 c5 8. b3 cxd4 9. exd4 b6 10. O-O Bb7 11. Re1 Be7 12. Bb2 Rc8 13. Ne5 Nxe5 14. dxe5 Nd7 15. Qd1 Bb4 16. Re3 Nc5 17. Bf1 Bxd2 18. Qxd2 dxc4 19. Qxd8+ Rxd8 20. Bxc4 1/2-1/2

