[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Artemiev, Vladislav"]
[Black "Mkrtchyan, Sargis R"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2696"]
[BlackElo "2145"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,75,20,14,24,18,25,24,62,62,62,64,129,37,49,30,25,22,113,108,108,97,91,102,96,99,94,104,135,131,227,230,295,295,295,288,295,295,293,293,278,286,362,300,297,303,317,282,391,397,387,387,381,375,414,398,388,329,347,310]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 c5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. e3 e6 9. d4 d6 10. Nc3 {LiveBook: 5 Games} a6 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 11. Qe2 Ne4 12. Rad1 $146 (12. Nxe4 {looks sharper.} Bxe4 13. Rfd1 Qe7 14. h4 Nd7 15. Rac1) ({Predecessor:} 12. Nxe4 Bxe4 13. Rfd1 Qc7 14. Bf1 Qb7 15. Ng5 Bc6 16. d5 exd5 17. Bxg7 Kxg7 18. Qb2+ {1-0 (63) Martinovic,S (2440)-Milutinovic,D (2108) Belgrade 2006}) 12... Qc7 {White has an edge.} 13. Nxe4 Bxe4 14. dxc5 Bxb2 (14... bxc5 $14 15. Bxg7 Kxg7) 15. Qxb2 (15. cxd6 $16 Qc6 16. Qxb2 Bxf3 {[#]} 17. d7 $1 {[%mdl 512]} Nxd7 18. Bxf3 Qxf3 19. Rxd7) 15... bxc5 $14 16. Ng5 Bxg2 17. Kxg2 {[#] Hoping for Ne4.} Qc6+ (17... Qe7 $11 {keeps the balance.}) 18. f3 $16 {And now Ne4 would win.} d5 19. cxd5 $40 {[%mdl 128] White attacks with force.} exd5 20. Qe5 h6 21. Nh3 Re8 22. Qxd5 Rxe3 23. Qd2 Re8 (23... Qe8 $16 {might work better.} 24. Rfe1 Rxe1 25. Rxe1 Qf8) 24. Nf2 $18 h5 25. Ne4 Rxe4 26. fxe4 Qxe4+ 27. Kg1 {aiming for Qd8+.} Nc6 28. Qd5 Qxd5 29. Rxd5 {[%mdl 4096] Endgame KRR-KRN} Nb4 30. Rd7 Rf8 31. Rf2 Nc6 32. Rd5 Nb4 33. Rd6 Rc8 34. Rd7 Rf8 35. Rfd2 Nc6 36. R2d6 Rc8 37. Rd5 Re8 38. R7d6 {Precision: White = 79%, Black = 47%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Volkov, Sergey"]
[Black "Golikov, Daniil"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2638"]
[BlackElo "2138"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,55,7,0,16,0,24,22,22,23,14,12,10,16,16,14,24,9,43,30,24,23,35,0,-14,-12,11,0,6,0,0,0,0,-4,0,-42,237,235,212,191,207,227]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. g3 b6 7. Bg2 Bb7 8. O-O c5 9. b3 {LiveBook: 25 Games. E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (9. e3 cxd4 10. exd4 d5 11. b3 Nc6 12. Bb2 Rc8 13. Rc1 dxc4 14. bxc4 Na5 15. Re1 Rc7 16. Qe2 Qc8 {½-½ (72) Dreev,A (2660)-Predojevic,B (2640) Sibenik 2016}) 9... Nc6 10. Bb2 Qc7 11. e3 $146 {White has an edge.} ({Predecessor:} 11. e4 cxd4 12. Nxd4 Nxd4 13. Bxd4 d5 14. cxd5 exd5 15. e5 Ne4 16. Rc1 Qd7 17. Nb1 Nc5 18. b4 Ne6 19. Re1 Rac8 20. Bb2 Rxc1 21. Bxc1 d4 22. Bxb7 Qxb7 23. Bd2 Rd8 {½-½ (23) Umanskaya,I (2313)-Benderac,A (2230) Warsaw 2001}) 11... Rac8 12. Rc1 Rfd8 13. Qe2 d6 14. Rfd1 h6 15. h3 a6 16. Rc2 Kh8 17. Rdc1 Kg8 18. Ne1 Nb8 19. e4 cxd4 20. Bxd4 Nbd7 21. f4 e5 22. Bf2 exf4 23. gxf4 Re8 24. b4 Bf8 25. Rc3 Nxe4 $2 {[%mdl 8192] [#]} (25... a5 $15 {stays ahead.}) 26. Nxe4 $18 {White is clearly better.} f5 27. c5 bxc5 28. Qa2+ {Precision: White = 62%, Black = 51%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Alekseev, Evgeny"]
[Black "Kamnev, Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2622"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,0,13,12,8,0,22,0,32,14,52,20,23,22,60,75,54,56,75,71,75,67,69,68,82,83,75,72,85,76,89,88,100,100,93,99,115,112,114,110,130,134,200,199,514,508]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 h6 7. Bd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7. Ne5 a6 8. Bd3 Bd6 9. Bg3 Qc7 10. Nxc6 Qxc6 11. O-O b6 12. Qf3 Bb7 13. Bxd6 Qxd6 14. Qg3 Qxg3 15. hxg3 {½-½ (53) Nguyen,N (2629)-Nakamura,H (2779) Doha 2016}) 7... Bd6 8. Bg3 (8. O-O {seems wilder.} O-O 9. dxc5 Bxc5 10. Re1 Re8 11. Bg3) 8... Bxg3 9. hxg3 {The position is equal.} Qd6 10. Qe2 Bd7 11. Rd1 O-O-O $146 ({Predecessor:} 11... O-O 12. dxc5 Qxc5 13. e4 Ng4 14. Nb3 Qb6 15. O-O dxe4 16. Qxe4 Nf6 17. Qh4 {½-½ (46) Sandipan,C (2572)-Aguero Jimenez,L (2388) Castell de Sant Ferran 2016}) 12. e4 {[#] Black must now prevent e5.} dxe4 13. Nxe4 Nxe4 14. Bxe4 cxd4 15. Nxd4 Qe5 16. O-O Kb8 17. Qf3 {[%cal Re4c6]} Nxd4 18. cxd4 Qf6 19. Bxb7 {Strongly threatening Qb3.} Qxf3 20. Bxf3 Bb5 21. Rfe1 Bc4 22. Re5 Rd6 23. b3 Ba6 24. d5 Rhd8 25. Rd4 Bb7 {[%cal Rb7d5]} 26. Rf4 f6 (26... exd5 $16 {might work better.} 27. Rxf7 R6d7) 27. Rxe6 $18 Bxd5 $2 {[#]} (27... h5 {is a better chance.} 28. Rb4 (28. Bxh5 Rxd5 29. Bf3 Rc5 $18) 28... Kc7 29. Bxh5 Bxd5 30. Re7+ R8d7) 28. Rxd6 $1 {Precision: White = 79%, Black = 46%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Gordievsky, Dmitry"]
[Black "Eryshkanova, Anastasiya"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2605"]
[BlackElo "2127"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,102,93,84,107,76,81,70,102,105,125,127,150,140,170,197,187,185,192,185,171,135,112,113,106,81,75,73,74,79,83,83,80,93,85,85,99,93,93,90,98,99,87,89,227,227,217,227,320,304,274,230,325,318,568,578,514,514]} 1. Nf3 e6 2. c4 c5 3. g3 Nf6 4. Bg2 Nc6 5. O-O Be7 6. d4 cxd4 7. Nxd4 O-O 8. Nc3 Nxd4 9. Qxd4 d6 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} 10. Rd1 (10. b3 a6 11. Bb2 {½-½ (11) Jaracz,P (2505)-Butkiewicz,L (2436) Pardubice 2015}) 10... a6 {LiveBook: 7 Games} 11. Be3 Qa5 {White is better.} 12. Qd2 $146 {And now Nd5 would win.} ({Predecessor:} 12. Bf3 e5 13. Qb6 Qxb6 14. Bxb6 Be6 15. b3 Ne8 16. Rd2 Rc8 17. Rad1 {1-0 (38) Wilen,E-Kyburz,P Espoo 2003}) 12... Qc7 13. Rac1 Bd7 14. Bf4 e5 15. Bg5 Be6 16. Bxf6 $1 gxf6 17. Qh6 f5 18. Qh5 Kh8 19. Nd5 Qd8 20. Bh3 Bg5 21. e3 Rg8 22. Kh1 f4 23. exf4 exf4 24. Rc3 Rg6 {[#] White must now prevent ...Rh6.} 25. Bxe6 fxe6 26. Nxf4 Bxf4 27. gxf4 Qf6 {[#]} 28. Rg3 $1 {[%cal Rg3g6] Hoping for Rxg6.} ({Reject} 28. Rxd6 $6 Qxf4 29. Qd1 Qxf2 $11) 28... Rag8 29. Rxd6 {aiming for Qe5.} Qxf4 30. Rd7 {[%csl Gh5][%cal Rd7h7]} Qe4+ 31. Kg1 $1 {[%csl Gh5][%cal Rd7h7]} Rxg3+ (31... Rf6 $16 32. Qd1 b5) 32. hxg3 $16 {[%mdl 4096] Endgame KQR-KQR} Rf8 {( -> ...Qe1+)} 33. Qd1 $40 {[%mdl 128] Black is in trouble.} Qf5 (33... e5 {might work better.} 34. Rc7 Kg8) 34. Qe2 $18 b5 35. cxb5 axb5 (35... Qxb5 $142 36. Qd2 Qf5) 36. Rb7 e5 $2 (36... Qd5) 37. Rxb5 Re8 38. a4 {Precision: White = 80%, Black = 54%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Kobalia, Mikhail"]
[Black "Zaykov, Sergey"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2596"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,40,39,39,33,35,53,21,33,31,31,26,53,20,59,50,54,47,59,61,62,43,47,41,104,91,249,244,237,212,313,300,322,317,297,305,403,391,1166,1165,1141,1136,2054,1923,29999]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. O-O d6 6. a4 Be6 {LiveBook: 4 Partien. C55: Zweispringerspiel} 7. Bxe6 fxe6 8. c3 Qd7 {Weiß steht etwas besser.} 9. Qb3 $146 ({Vorgänger:} 9. b4 O-O 10. Re1 a6 11. Na3 b5 12. Bd2 Nh5 13. c4 bxc4 14. dxc4 {½-½ (36) Kryvoruchko,Y (2691)-Thorfinnsson,B (2410) Gjakova 2016}) 9... Nd8 10. Re1 O-O 11. Nbd2 Kh8 12. Nf1 Nh5 13. d4 exd4 14. cxd4 c6 15. a5 a6 16. N1d2 {[%cal Bf1d2,Bd2f3,Bf3e5][%mdl 32]} d5 17. Ne5 Qc7 (17... Qe8 $14) 18. Ndf3 $36 {[%mdl 2048] Weiss hat starke Initiative.} Nf7 $2 {[#]} (18... Bd6 $16) 19. Nxf7+ $18 Rxf7 20. Ne5 Rff8 (20... Raf8 $142 21. Nxf7+ Rxf7) 21. Qh3 $1 {[%csl LRe6,LRh5]} Bb4 22. Re2 g6 23. g4 {[%cal Bg2g4,Bg4h5,Bh5g6][%mdl 32]} ({Weniger gut wäre} 23. Qxe6 Rae8 $16) 23... dxe4 24. gxh5 c5 $2 {[#]} (24... gxh5 25. Rxe4 Rf5) 25. hxg6 cxd4 26. Rxe4 Rad8 27. Bg5 Be7 28. Qxh7# {Precision: Weiß = 67%, Schwarz = 16%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Sengupta, Deep"]
[Black "Guliev, Gasan"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2587"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,17,16,20]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} O-O 7. Nc4 Nd7 8. Be3 Bd6 9. O-O {LiveBook: 18 Games} {Predecessor:} Re8 $146 10. Nfd2 Nf8 11. Qh5 Be6 12. h3 Ng6 {0-1 (47) Caruana,F (2803)-Jakovenko,D (2738) Khanty-Mansiysk 2015} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Sengupta, Deep"]
[Black "Guliev, Gasan"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2587"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]

{[%evp 19,96,17,21,21,20,2,7,2,4,7,10,0,0,0,27,30,30,29,32,32,48,33,32,37,44,42,54,45,99,107,153,94,97,56,112,40,67,39,37,31,26,23,39,25,92,90,88,101,120,115,114,0,10,0,0,-38,-26,-148,0,0,0,0,0,0,0,0,0,-8,-22,-2330,-2329,-2213,-2212,-2208,-2087,-1988,-1851,-5114,-5114]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} O-O 7. Nc4 Nd7 8. Be3 Bd6 9. O-O c5 10. a4 Re8 {LiveBook: 4 Games} 11. Nfd2 Nf8 12. f4 exf4 13. Bxf4 Bxf4 14. Rxf4 {[#]} Ng6 $146 15. Rf2 Be6 16. Qh5 Bxc4 17. Nxc4 Qd4 18. Re1 {[%cal Ba1e1,Be1e3,Be3h3,Bh3f3,Bf3g3][%mdl 32]} Rad8 19. Re3 b6 20. Rh3 h6 21. Rhf3 Re7 22. b3 a6 23. Ne3 Re5 (23... Re6 $1 $14) 24. Nf5 $16 Qa1+ 25. Rf1 Qb2 26. Rg3 Re6 (26... Kh7 $14) 27. Qe2 ({White should play} 27. h4 $1 $16) 27... Kh7 28. Kh1 Rg8 29. Ne3 Rf6 30. Rgf3 Rxf3 31. Qxf3 f6 (31... b5 $11) 32. Qf5 Qe5 33. Nd5 b5 34. axb5 axb5 35. Qd7 (35. Qxe5 $1 $16 Nxe5 36. Nxc7) 35... Ra8 $11 36. c3 ({Much worse is} 36. Qxb5 Ra1 $17) 36... Nf4 37. Qxc7 Nxd3 {And now ...Qxc7 would win.} 38. Qb7 {[#]} (38. Qxe5 $11 Nxe5 39. h3) 38... Nf2+ $40 {[%mdl 128] Black has some attack.} (38... Ra2 $1 $17 39. Qf7 Nf2+ 40. Kg1 Ng4) 39. Kg1 Ng4 {[%csl Gg4][%cal Re5h2] [#]} 40. Nxf6+ $1 {[%mdl 512]} Nxf6 41. Qxa8 {[%mdl 4096] Endgame Qc8 is the strong threat. KQR-KQN} Ng4 {[%csl Gg4][%cal Re5h2]} 42. g3 {Threatens to win with Qd5.} Qxc3 {( -> ...Qe3+)} 43. e5 {Strongly threatening Qe4+.} Qe3+ 44. Kh1 $2 {[%mdl 8192] [#]} (44. Kg2 $11 Qe2+ 45. Kh3) 44... Qe2 $1 $19 {[%cal Re2f1] Black is clearly winning.} 45. Qg2 Qxg2+ 46. Kxg2 Ne3+ 47. Kf2 Nxf1 48. Kxf1 Kg6 {Precision: White = 39%, Black = 63%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Ufimtsev, Egor"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2143"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,43,77,67,69,32,25,29,27,8,8,2,20,0,15,14,0,0,0,-3,-2,-7,0,-15,0,0,3,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,39,0,0,0,0,0,0,0,0,-68,-81,-248,-188,-785,-781,-728,-722,-683,-621,-621,-597,-579,-596,-576,-403,-567,-516,-641,-639]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O {A13: English Opening: 1...e6} b6 {[#] LiveBook: 6 Games} 9. Nd4 $1 {[%cal Rd4c6] Nc6 is the strong threat.} (9. d3 Bb7 10. Nbd2 c5 11. a4 Be7 12. Nc4 O-O 13. Bf4 Rc8 14. e4 Ne8 15. Rfd1 Bf6 {1-0 (35) Meier,G (2648)-Shulman,Y (2608) Lubbock 2011}) 9... Ne5 10. Nc6 {White is slightly better.} (10. Nb3 {with more complications.} Bb7 11. Bxb7 Rxb7 12. d4 Ned7 13. Nc3) 10... Nxc6 11. Bxc6+ Bd7 12. Bg2 $146 ({Predecessor:} 12. d4 Bxc6 13. Qxc6+ Qd7 14. Qxd7+ Kxd7 15. Nc3 h5 {1-0 (42) Stojanovic,A (2293)-Videnova,I (2353) Valjevo 2011}) 12... c5 13. d3 Bd6 14. Nc3 h6 15. b3 O-O 16. Bb2 e5 17. Ne4 Nxe4 18. Bxe4 Be6 19. Bg2 f5 20. e3 Qd7 21. Rfe1 b5 22. Rad1 Qf7 23. f4 exf4 24. exf4 Rfd8 25. d4 cxd4 26. Bxd4 Bb4 27. Re5 Rd6 {[#] Strongly threatening ...Rbd8.} 28. Bc5 Bxc5+ 29. Rxc5 Rbd8 30. Rxd6 Rxd6 31. Rc6 Rd8 32. Qe2 Qa7+ 33. Kh1 Bf7 34. Rc1 Qd4 35. Bf3 Re8 36. Qg2 (36. Qc2 $1 $11) 36... Re3 $15 37. Bc6 $2 (37. Rf1 $17) 37... Rd3 {aiming for ...Rd2.} 38. h4 $2 (38. Qc2) 38... Rd2 $19 39. Qf3 Rxa2 40. Rg1 Rf2 41. Qd1 Rd2 42. Qf3 Qb2 {[%csl Gb2][%cal Rd2h2]} 43. Re1 Rh2+ 44. Kg1 Rc2 45. Rd1 {and the idea Bd5 leaves White hopeful.} Rc3 {Precision: White = 58%, Black = 81%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Ivanov, Platon-Jaan"]
[Black "Sethuraman, S P"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2134"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,124,17,41,14,20,16,13,11,44,27,22,10,47,50,54,50,47,43,93,41,54,54,66,34,69,66,71,71,77,68,77,68,98,107,96,81,98,57,70,-10,-8,-30,18,0,0,-176,-175,-183,-187,-184,-183,-367,-122,-114,-127,-122,-129,-120,-129,-132,-114,-121,-116,-106,-106,-158,-147,-168,-177,-239,-237,-224,-227,-312,-301,-334,-316,-335,-62,-70,-64,-334,-350,-323,-8,-15,0,-291,-124,-107,-93,-262,-247,-287,-277,-281,0,-261,-255,-325,-317,-427,-419,-527,-515,-492,-428,-29985,-29986,-29988,-29989,-29989,-29990,-29974,-29975]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 (5. Nbd2 dxc4 6. Bg2 b5 7. O-O a5 8. a4 c6 9. Ne1 Nd5 10. e4 Nb6 11. Nc2 bxa4 12. e5 Be7 13. Qg4 g6 14. Ne4 {0-1 (43) Rodshtein,M (2695)-Fedoseev,V (2731) Tbilisi 2017}) 5... Bd6 6. Nc3 {E01: Katalanisch} c6 {LiveBook: 34 Partien} 7. Bg5 h6 8. Bxf6 {Die Stellung ist ausgeglichen.} Qxf6 9. a3 $146 ({Vorgänger:} 9. Qb3 O-O 10. Rd1 Nd7 11. Bg2 Qd8 12. O-O Nf6 {0-1 (44) Fus,J (2127)-Kucza,K (2320) Polanica Zdroj 2017}) 9... Qg6 10. Bg2 O-O 11. e4 {[%cal Rc4d5]} dxe4 12. Nh4 Qh7 {Droht ...g5 und aus.} 13. Bxe4 f5 14. Bc2 Na6 15. O-O ({Besser ist} 15. Qh5 $16) 15... Bd7 16. Re1 Rad8 17. b4 Bc8 18. Qh5 Rf6 19. Rad1 g5 20. Nf3 Qg7 21. c5 Be7 22. Ne5 Nc7 23. Qe2 h5 24. h3 ({Nicht} 24. Qxh5 g4 $17) 24... h4 25. Qf3 (25. g4 $1 $14) 25... hxg3 $1 $11 26. fxg3 Rff8 27. Kg2 Bf6 28. Na4 $2 (28. Qh5 $11 {und Weiss ist OK.}) 28... Nb5 $1 $19 {[%cal Rb5d4]} 29. Qe3 f4 30. Qe4 fxg3 ({Bloß nicht} 30... Nxa3 31. Bd3 $17) 31. Kxg3 $2 {[#]} (31. Ng6) 31... Rxd4 $2 (31... Nxd4 $1 $19 {[%mdl 512] und Schwarz behält klar die Oberhand.} 32. Ng4 (32. Rxd4 Bxe5+) 32... e5 $1 {[%mdl 512]}) 32. Rxd4 $17 Bxe5+ $1 33. Qxe5 Nxd4 34. Qxg7+ Kxg7 35. Be4 Rd8 36. Nb2 Nf5+ 37. Kf3 Kf6 38. Nc4 (38. Nd3 $142) 38... Rd4 39. Rc1 e5 40. Bxf5 (40. Na5 $142) 40... Bxf5 $19 {[%mdl 4096] Endspiel KTL-KTS} 41. Nd6 Bxh3 42. Nxb7 Rd3+ 43. Kf2 Rxa3 44. Na5 Bd7 $2 (44... g4 $19 {Weiss muss nun ...Ta2+ beachten.} 45. Rg1 Kf5) 45. Rd1 $15 Bg4 46. Re1 $2 {[%mdl 8192]} ({Der einzige Zug:} 46. Rd6+ $15 Kf5 47. Nxc6) 46... Rf3+ $19 47. Kg1 {[#]} Rg3+ $2 (47... Bd7 $2 48. Rd1 $17) (47... Rh3 $1 $19 {...Lf3 ist eine echte Drohung.} 48. Nxc6 Bf3) 48. Kf2 $11 Rf3+ $2 {[%mdl 8192]} (48... Rc3 $11 49. Nxc6 Rc2+ 50. Kg3 Bf5) 49. Kg1 $1 $19 {[#]} Bd7 (49... Rh3 $1 $19 {Und weiter mit ...Lf3 wäre nett.} 50. Nxc6 Bf3) 50. Rd1 $17 Ke7 {zielt auf ...Tf4 ab.} 51. Rd6 $2 (51. Nc4 $17 {einziger Zug.} e4 52. Ne5) 51... Rf6 $19 52. Rd3 Rf4 53. Rd6 Rf6 54. Rd3 $1 e4 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 55. Re3 Rf4 56. Nc4 Kf6 57. Ra3 Be6 58. Nd6 Ke5 59. Rxa7 (59. b5 $19 Kd5 60. Rc3) 59... e3 {Schwarz setzt Matt.} 60. Ra3 Kd4 61. b5 e2 62. Ra1 Kxc5 {Precision: Weiß = 32%, Schwarz = 44%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Krasovskiy, Sviatoslav"]
[Black "Kokarev, Dmitry"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2128"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,-24,-11,-11,-15,15,-4,-30,-33,-39,-39,-39,-39,-39,-38,-40,-35,-37,-41,-12,-25,-24,-26,-52,-16,-30,0,0,0,0,0,0,0,-18,-16,-107,-99,-270,-274,-428,-416,-797,-797,-2010,-1972,-1961,-1959,-29993,-29994,-29994,-29994,-29994,-29994]} 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nf3 e6 6. O-O Nge7 7. d3 O-O 8. Be3 b6 {LiveBook: 10 Games. A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (8... d6 9. Qc1 Nf5 10. Bg5 Qb6 11. Rb1 h6 12. Bf4 g5 13. Bd2 Bd7 14. a3 a5 15. Qd1 Qd8 16. Ne1 {0-1 (37) Moiseenko,A (2653)-Gashimov,V (2586) Mallorca 2004}) 9. d4 d6 $146 ({Predecessor:} 9... Nf5 10. Bg5 f6 11. d5 Na5 12. Bc1 Nxc4 13. dxe6 dxe6 14. Ne5 Nxe5 15. Bxa8 Ba6 16. Bg2 {½-½ (39) Nechepurenko,R (2510)-Yaksin,O (2231) Dubna 2007}) 10. dxc5 dxc5 {The position is equal.} 11. Rc1 Bb7 12. Qa4 Nf5 13. Rfd1 Qc8 14. Bf4 Ncd4 15. Nxd4 $1 Nxd4 16. Be3 Bxg2 17. Kxg2 Qb7+ 18. f3 Rad8 19. Kf2 a6 {...b5 is the strong threat.} 20. Rd2 Nf5 21. Rxd8 Rxd8 22. Rd1 Bd4 23. Bxd4 cxd4 24. Rd3 e5 $36 {[%mdl 2048] Black fights for an advantage.} 25. Ne4 (25. Nd5 $11) 25... Ne3 $17 26. g4 $2 {[#]} (26. Qb4 $17) 26... Nxg4+ $19 27. fxg4 (27. Ke1 {was called for.}) 27... Qxe4 28. Qxa6 {[%mdl 4096] Endgame KQR-KQR} (28. Qb3 $142 Qf4+ 29. Ke1) 28... Qf4+ 29. Rf3 Qxh2+ 30. Ke1 e4 {[%cal Be5e4,Be4d3][%mdl 32]} 31. Rf1 d3 {Black mates.} 32. exd3 exd3 {[%csl Gd3][%cal Rh2e2]} 33. Rf2 Qg1+ {Precision: White = 38%, Black = 76%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Sakorenko, Adriana"]
[Black "Predke, Alexandr"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2127"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,98,15,0,19,18,27,17,16,-22,-7,-21,-4,-19,-16,-21,0,-3,-7,0,7,0,24,0,12,-40,-40,-40,-40,-40,-40,-36,-37,-48,-36,-53,-40,-45,-44,-57,-48,-49,-48,-57,-48,-55,-48,-55,-41,-74,-74,-64,-77,-71,-24,-28,-6,-6,-6,-8,-8,-18,-13,-56,-56,-56,-56,-159,0,-151,-151,-417,-75,-75,-75,-101,-92,-380,-379,-1340,-1387,-1034,-622,-1400,-1376,-1081,-992]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Be3 a6 6. Qd2 b5 7. a3 {B06: Modern Defence} (7. a4 b4 8. Ne2 Ngf6 9. Ng3 Ng4 10. Bf4 e5 11. Bg5 f6 12. Be3 Nxe3 13. Qxe3 O-O 14. Bc4+ Kh8 15. O-O Nb6 {0-1 (43) Darini,P (2511)-Mamedov,R (2688) Doha 2016}) 7... Bb7 8. Bd3 {LiveBook: 6 Games} e6 9. O-O {The position is equal.} c5 $146 ({Predecessor:} 9... h6 10. Ne1 Ngf6 11. h3 c5 12. dxc5 dxc5 13. e5 Nxe5 14. Bxc5 Rc8 {0-1 (38) Dudas,P (2136)-Ianov,V (2386) Aggtelek 2001}) 10. Rfe1 Ngf6 11. Bh6 Bxh6 12. Qxh6 cxd4 13. Nxd4 Qb6 14. Qe3 Ng4 15. Qe2 {[%cal Rd4b5]} Qxd4 16. Qxg4 h5 17. Qe2 h4 18. h3 Ke7 19. Qe3 ({White should play} 19. Rad1 $11) 19... Qxe3 $15 20. Rxe3 g5 21. Ne2 Rac8 22. Nd4 Rc7 23. Rd1 Nb6 24. Kf1 f6 25. c3 Bc8 26. f3 Rd8 27. Re2 e5 28. Nc2 d5 29. exd5 Nxd5 {Threatens to win with ...Nf4.} 30. Red2 Nf4 {...Rcd7 is the strong threat.} 31. Be2 Rxd2 32. Rxd2 Bb7 33. Ne3 Bc6 34. Bd1 Rd7 (34... a5 {is interesting.} 35. Nf5+ Ke8 36. Nd6+ Kf8 37. Bc2 Nd5) 35. Rxd7+ Bxd7 $11 {[%mdl 4096] Endgame KBN-KBN} 36. Bc2 Kd6 37. Be4 Be6 38. Ke1 Bb3 39. Kd2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 40. Bd3 (40. Bb1 $15) 40... Kc5 $2 ({Better is} 40... Nxd3 $17 41. Kxd3 a4) 41. Bf1 $2 {[#]} (41. Ng4 $11) 41... a4 $1 $17 42. Ng4 $2 {[#]} (42. Kc1 $17 {was worth a try.}) 42... Nh5 $2 (42... Bc4 $1 $19 {[%cal Rc4f1] and Black stays clearly on top.} 43. Bxc4 Kxc4) 43. Bd3 Be6 44. Nf2 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 45. Nd1 $2 {[%mdl 8192]} (45. Bc2 $17) 45... Nf4 $19 46. Ne3 $2 (46. Nf2) 46... Nxd3 {Black is clearly winning.} 47. Kxd3 f4 48. Nd1 Bf5+ 49. Kd2 e4 {Precision: White = 24%, Black = 59%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Paramzina, Anastasya"]
[Black "Sakaev, Konstantin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2123"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,144,0,0,7,0,14,16,25,15,35,43,38,33,37,26,51,18,39,35,49,0,0,-24,0,-91,-57,-98,-61,-137,-106,-139,-121,-152,-134,-130,-81,-50,-74,-83,-24,-147,-174,-159,-167,-163,-162,-150,-141,-180,-175,-172,-171,-180,-170,-165,-160,-243,-166,-203,-185,-243,-186,-200,-189,-167,-169,-164,-157,-129,-91,-91,-85,-84,-85,-103,-101,-147,-147,-154,-129,-129,-129,-129,-129,-183,-183,-183,-183,-183,-185,-262,-235,-235,-235,-228,-227,-225,-228,-228,-228,-228,-221,-350,-345,-166,-166,-3191,-2973,-2395,-1466,-7075,-6540,-10853,-5127,-5746,-5435,-29983,-29984,-29984,-29985,-29990,-29991,-29991,-29990]} 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. Bg5 (8. g3 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}) 8... Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Qd3 Nd7 12. Nec3 {LiveBook: 6 Games} g6 13. O-O-O Rc8 14. Kb1 Bh6 15. h4 Nc5 $146 16. Qe2 b5 17. g3 Rb8 18. a3 Kf8 19. f3 Qd7 20. Rg1 Bg7 21. Rd2 Qb7 22. Rh1 Bd7 23. Nd1 (23. b4 $11 Ne6 24. Bh3) 23... a5 24. c3 Bc6 25. Bg2 (25. N1e3 $15) 25... Bh6 26. f4 Re8 {Strongly threatening ...exf4.} 27. Re1 exf4 28. gxf4 b4 29. cxb4 axb4 30. axb4 Nb3 (30... Bxd5 $1 $17 31. bxc5 Be6 32. Rxd6 Bxf4) 31. Rd3 (31. N1c3 $1 $11 Nxd2+ 32. Qxd2) 31... Bxd5 $1 $17 32. Rxd5 Qxd5 33. exd5 Rxe2 34. Rxe2 Bxf4 35. Nc3 Kg7 36. Re7 Rb8 $1 37. b5 Be5 38. Ne4 Kf8 39. Rd7 (39. Rc7 $17) 39... Ke8 40. Ra7 Rxb5 41. Ra6 (41. Ra8+ {might work better.} Ke7 42. Ra7+ Kf8 43. Ng5) 41... Ke7 42. Ra7+ Kf8 {aiming for ...Na5.} 43. Ng5 Nc5 44. Rxf7+ Kg8 $1 45. Rf2 Nd3 46. Bf1 Rxb2+ ({Don't play} 46... Nxf2 47. Bxb5 Bf6 48. Nf3 $11) ({Don't blunder} 46... Rxd5 $2 47. Rd2 $18) 47. Rxb2 Nxb2 {[%mdl 4096] Endgame KBN-KBN} 48. Kc2 Na4 $1 49. Bd3 Kg7 50. Ne6+ Kf7 51. Ng5+ Kf6 52. Ne4+ Kg7 $1 53. Bb5 (53. Ba6 $17 {is a better defense.}) 53... Nb6 $19 54. Bc6 {[#]} Nc8 $1 55. Bd7 Ne7 56. Be6 (56. Ng5 {keeps fighting.}) 56... Nf5 57. Bxf5 gxf5 {KB-KN} 58. Ng5 Bg3 59. Nf3 Kf6 {Threatens to win with ...f4.} 60. Kd3 {[#]} Bf2 $1 61. Ke2 Ba7 62. Kd3 (62. Ng5 $142) 62... Bc5 63. Ke2 f4 64. Ng5 $2 (64. Ne1) 64... Ke5 65. Ne6 Be3 66. Kf3 Kxd5 67. Ng7 Ke5 68. Nxh5 d5 {[%cal Bd6d5,Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 69. Ng7 d4 {Black mates.} 70. Ke2 Ke4 71. Ne6 d3+ 72. Ke1 d2+ {Precision: White = 42%, Black = 68%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Zemnitskiy, Alexander"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2112"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,16,20,0,31,32,25,0,0,0,0,0,0,-4,40,35,35,45,58,-37,108,46,70,60,105,0,18,0,0,-14,-14,-14,-13,-11,-12,-28,-11,-31,-13,-36,0,0,0,-37,0,0,0,0,5,-212,-212,-204,-204,-204,-197,-192,-175,-152,-32,-43,-39,-53,-18,-17,-17,-22,-18,-58,-57,-53,-59,-59,-54,-54,-18,-13,-16,-45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-250,-242,-245,-242,-375,-343,-543,-442,-578,-565,-933,-922,-719,-771,-5216,-4678,-12844,-12844,-12845,-12845,-12846,-12845,-12845,-12846,-12846,-12847,-12850,-12850,-12850,-12849,-12850,-12850]} 1. Nf3 Nf6 2. d4 g6 3. g3 c5 4. c4 cxd4 5. Nxd4 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 6. Bg2 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} Nc6 7. Nc3 Bg7 8. e3 $146 {White has an edge.} ({Predecessor:} 8. O-O h4 9. Nxc6 bxc6 10. e4 hxg3 11. hxg3 Qc7 12. Bf4 {½-½ (25) Timofeev,A (2677)-Savchenko,B (2655) Havana 2009}) 8... h4 9. b3 Qa5 10. Bb2 Kf8 11. Qd2 $36 {[%mdl 2048] White has some pressure.} Nxd4 12. exd4 hxg3 13. fxg3 Qf5 14. Ne2 ({White should play} 14. h3 $14) 14... Ne4 (14... Bh6 $15 {stays ahead.} 15. Nf4 Bxf4 16. Qxf4 Qxf4 17. gxf4 d5) 15. Qe3 (15. Bxe4 $1 $16 Qxe4 16. O-O) 15... Qa5+ 16. Nc3 Nf6 17. h3 (17. O-O $1 $16) 17... d5 $1 $11 18. cxd5 Rh5 $1 {[%cal Rf6d5]} 19. g4 Nxd5 20. Bxd5 Rxd5 21. O-O-O Rd6 22. Kb1 Bd7 23. Rhe1 Re8 24. d5 Kg8 25. a3 f5 26. b4 Qa6 27. gxf5 Bxf5+ 28. Ne4 $1 Rf6 29. Qd3 $2 (29. Qb3 $11 {and White stays safe.}) 29... Qxd3+ $19 30. Rxd3 Bxe4 $1 31. Rxe4 Rf1+ 32. Ka2 Rf2 33. Rb3 {[#]} Rd2 (33... Rc8 $1 $17 {[%cal Rc8c2]} 34. Rxe7 Bf6) 34. Kb1 Rxd5 35. Rg3 Rd6 36. h4 Bxb2 37. Kxb2 $11 {[%mdl 4096] Endgame KRR-KRR} Kf7 38. Re5 Rh8 39. Rf3+ Rf6 40. Rfe3 e6 41. Rc5 Rf2+ 42. Kb3 Kf6 43. Rc7 Rxh4 (43... Rb8 {keeps more tension.} 44. Rd3 a6 45. Rdd7 Rh2 46. Rf7+ Ke5) 44. Rxb7 e5 45. Rxa7 e4 46. Ra8 {Rf8+ is the strong threat.} Ke5 47. Kc3 Kf4 48. Re1 Rh3+ 49. Kc4 Rc2+ 50. Kb5 $1 {next Rf8+ is good for White.} e3 {Hoping for ...e2.} 51. a4 $2 (51. Re8 $11) 51... Rh5+ $19 52. Kb6 {[#]} Re5 $1 53. a5 (53. Rf8+ $142 Kg3 54. b5) 53... Rb2 54. a6 (54. Kc6 {is a better defense.} Rxb4 55. a6) 54... Rxb4+ {Black is clearly winning.} 55. Kc6 Ra4 56. a7 Ke4 57. Kb6 Re7 58. Rg1 e2 59. Rg4+ Ke3 60. Rxa4 e1=Q 61. Ra3+ Ke4 62. Ra4+ Ke5 {( -> ...Qf2+)} 63. Ra5+ Ke6 64. Rc8 Qb4+ 65. Rb5 Qd6+ 66. Rc6 {[#]} Qxc6+ $1 {[%mdl 512] Precision: White = 40%, Black = 61%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Sjugirov, Sanan"]
[Black "Chen, Qi b"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2650"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,101,19,6,10,17,53,34,49,41,47,42,46,33,31,29,36,18,37,10,13,8,5,0,0,0,0,0,6,0,6,0,6,20,7,0,38,20,33,0,16,0,8,0,34,26,20,24,107,105,101,64,64,64,64,64,80,81,167,175,196,200,174,150,952,949,1226,1194,1233,1181,1417,1501,1214,1146,29990,29991,29993,29994,29994,29995,29995,29996]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. cxd5 exd5 6. Bg5 Nbd7 7. e3 Be7 8. Qc2 Nh5 9. Bxe7 Qxe7 10. O-O-O Nb6 11. Bd3 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (11. h3 Be6 12. Kb1 Nf6 13. Bd3 O-O-O 14. Nd2 Kb8 15. Rc1 g6 16. Nb3 Nfd7 17. h4 f5 18. Ne2 Nc4 {½-½ (36) Andreikin,D (2705)-Lupulescu,C (2620) Antalya 2017}) 11... Bg4 12. Kb1 {LiveBook: 5 Games} Bxf3 13. gxf3 {The position is equal.} O-O-O 14. Rc1 Nf6 15. Qb3 Kb8 $146 ({Predecessor:} 15... Qe6 16. a4 Ne8 17. Qc2 Kb8 18. a5 {1-0 (29) Matamoros Franco,C (2467)-Valdes Romero,L (2338) Malaga 2001}) 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qc7 17. a5 Nc4 18. Bxc4 dxc4 19. Qa4 Rhe8 20. Rhg1 g6 21. f4 Nd5 22. Rg5 {Nxd5 is the strong threat.} f5 23. h4 Nf6 24. Rgg1 a6 25. Rc2 Re7 26. Rgc1 Ka8 27. Qa3 Ree8 28. Ka1 Rd7 29. Rb1 Kb8 30. Ka2 Ree7 31. Ra1 Re8 32. Kb1 c5 33. Qxc5 Qxc5 34. dxc5 Ne4 (34... Rc7 $1 $11 {remains equal.}) 35. Nxe4 $16 Rxe4 {[%mdl 4096] Endgame KRR-KRR} 36. Ra3 Rd1+ 37. Rc1 Rd2 38. f3 $36 {[%mdl 2048] White is pushing.} Re6 39. Rxc4 Rh2 (39... Re2 $16 {was called for.}) 40. Rb3 $18 Ka7 41. Rd4 {And now Rd7 would win.} Re7 42. Rbd3 Rxh4 $2 {[#]} (42... Kb8 $16) 43. Rd8 $1 Rh1+ 44. Ka2 Rc7 45. b4 Re7 46. Rf8 {Threatening mate with Rdd8.} Rh2+ 47. Kb1 {[#] White threatens Rdd8 and mate.} Re2 48. Rdd8 {[%csl Gf8][%cal Rd8a8] White mates.} b5 49. c6 {[%csl Gf8][%cal Rd8a8]} Re1+ 50. Kc2 {[%csl Gf8][%cal Rd8a8]} Re2+ 51. Kd1 {Precision: White = 55%, Black = 42%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Sethuraman, S P"]
[Black "Askerov, Marat"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2632"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,32,29,83,79,88,70,81,32,29,29,30,25,37,28,41,19,31,28,54,42,70,30,38,22,28,10,17,0,0,8,0,0,0,-34,-8,-7,-26,-58,-56,-61,102,103,166,171,245,239,245,250,240,240,231,215,266,199,184,93,226,225,290,184]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 Nd7 7. O-O c5 8. dxc5 {LiveBook: 42 Games} Bxb1 {B12: Caro-Kann: Advance Variation} (8... Nxc5 $11 9. Nd4 Bg6) (8... Nxc5 9. Nd4 Bg6 10. Be3 Nc6 11. Nxc6 bxc6 12. c4 Be7 13. Nc3 dxc4 14. Qxd8+ Kxd8 15. Bxc4 Kc7 16. Rfc1 {1-0 (52) Fressinet,L (2650)-Gharamian,T (2616) Agen 2017}) 9. Rxb1 $16 Nxc5 10. Nd4 Nc6 {White is slightly better.} 11. f4 $146 ({Predecessor:} 11. Bb5 Qc7 12. c4 dxc4 13. Nxc6 bxc6 14. Qf3 Rc8 15. Bxc4 Nd7 16. Bf4 {½-½ (72) Matjushin,G (2434)-Mikhailov,S (2304) Taganrog 2016}) 11... Ne4 12. Be3 Bc5 13. Bf3 O-O 14. Qd3 Bxd4 15. cxd4 f5 16. exf6 Nxf6 17. Rfe1 Qd6 18. a3 Ne7 19. Bf2 Rac8 20. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Qd7 21. Re5 Nf5 22. Rbe1 Rfe8 23. Qe2 {[%cal Re5e6]} Kf7 24. Bg2 g6 25. g4 $36 {[%mdl 2048] White fights for an advantage.} Nd6 26. Re3 Nfe4 27. Bg3 Qa4 $2 {[#]} (27... Rc6 $15 {stays ahead.}) 28. f5 $1 {[%cal Rf5g6][%mdl 512]} Rc2 (28... Qxd4 $16 29. Bxd6 Nxd6) (28... exf5 29. Bxd6) 29. fxg6+ hxg6 {[#]} (29... Kxg6 $142 30. Qd1 (30. Qd3 Rd2 $14) 30... Nxg3) 30. Qf1+ $1 $18 Ke7 31. Bxd6+ $1 (31. Bxe4 Nxe4 32. Qf4 Qc6 $11) 31... Kxd6 32. Bxe4 dxe4 33. Rxe4 Qc4 {and if ...Qxf1+ works, Black does fine.} 34. Qf4+ Kd7 {[#]} 35. Re5 ({White should try} 35. b4 $1 $18) 35... Qc6 {[#]} (35... Rxb2 $16 {might work better.} 36. Rc5 e5 37. Rcxe5 (37. Rxc4 exf4 38. Rxe8 Kxe8 $11) (37. Rexe5 Rb1+ 38. Kg2 Rb2+ 39. Kg3 Qd3+ 40. Qf3 Qxf3+ 41. Kxf3 Rxe5 $11) 37... Rxe5 38. Qxe5 Qf7) 36. d5 $1 {[%mdl 512]} Qb6+ (36... exd5 37. Rxe8) 37. Kh1 {Precision: White = 52%, Black = 58%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Kokarev, Dmitry"]
[Black "Khlebovich, Alexander"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2622"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,101,53,45,66,62,98,17,25,20,20,18,23,22,33,26,36,-7,0,-2,0,15,17,0,0,0,0,-2,0,0,-7,0,0,3,11,5,0,4,4,0,0,-40,-33,-41,-41,-41,-58,-93,-95,-93,-79,-93,-88,-90,-79,-64,-15,-19,-29,-66,-31,-91,-82,-236,-226,-217,-227,-273,-172,-267,-267,-259,-244,-277,-277,-277,-266,-258,-258,-218,-218,-29980,-29981,-29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g4 Bg7 8. Bg2 O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 9. Be3 Bd7 10. Qd2 Nc6 11. O-O-O {LiveBook: 10 Games} Na5 $146 ({Predecessor:} 11... Rc8 12. Nde2 b5 13. Nd5 a5 14. Bb6 Qe8 15. Kb1 Rb8 16. Be3 {½-½ (33) Radjabov,T (2738)-Smirin,I (2655) Baku 2015}) 12. b3 Rc8 13. Rhe1 (13. Kb1 $16) 13... Nc6 $11 14. Nd5 Nxd5 15. exd5 Nxd4 16. Bxd4 Bxd4 17. Qxd4 Qa5 18. Qb2 Rfe8 19. Re3 Rc7 20. Kb1 Rec8 21. Be4 Rc3 22. b4 Qc7 23. Rxc3 Qxc3 24. Qxc3 Rxc3 {[%mdl 4096] Endgame KRB-KRB} 25. Bd3 a5 26. bxa5 Ra3 27. a6 bxa6 28. Kb2 Ra4 29. Kb3 a5 30. Re1 Rb4+ 31. Kc3 e5 32. dxe6 $1 Bxe6 33. a3 Rf4 34. Re4 Rxf2 35. Ra4 Rh2 36. g5 Rxh3 37. Rxa5 h5 {aiming for ...Rg3.} 38. gxh6 $1 Rxh6 39. a4 Kg7 40. Ra8 (40. Ra6 $15) 40... g5 {[%cal Bg6g5,Bg5g4,Bg4g3][%mdl 32]} 41. a5 $2 (41. Rd8 $17) 41... g4 $19 42. Rb8 {Black should prevent a6.} g3 43. Be4 {Black must now prevent a6.} d5 44. Bg2 {[#]} (44. Bf3 $142) 44... Bh3 $1 {[%cal Rh3g2]} 45. Bxd5 Bf1 46. Rb1 g2 47. Bxg2 Bxg2 48. Rg1 {[#]} Rg6 $1 49. a6 {Threatens to win with Rxg2!} Ba8 ({Inferior is} 49... Rxa6 50. Rxg2+ Kf6 51. Kd4 $11) 50. Rxg6+ $2 (50. Ra1 $19) 50... fxg6 51. Kd4 {Precision: White = 45%, Black = 72%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Predke, Alexandr"]
[Black "Timerkhanov, Alexander"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2601"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,15,20,14,29,31,33,45,67,65,63,64,58,58,68,43,86,80,77,82,113,88,89,76,120,112,156,136,129,86,83,-211,-195,-193,-195,-195,-208,-204,-185,-185,-194,-224,-193,-192,-183,-210,-165,-235,-235,-236,-236,-291,-282,-291,-288,-283,-275,-287,-278,-415,-411,-436,-416,-679,-675]} 1. e4 e6 2. d4 d5 3. Nd2 {[%cal Bb1d2,Bd2e4,Be4c3][%mdl 32]} dxe4 4. Nxe4 Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 5. g3 Ngf6 6. Nc3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (6. Nxf6+ Nxf6 7. Bg2 e5 8. Nf3 exd4 9. Qxd4 Be7 10. Bf4 O-O 11. O-O-O c6 12. Rhe1 Qxd4 13. Nxd4 Bc5 14. Bg5 Bb6 15. c3 Bd7 16. Bxf6 gxf6 17. Be4 Rfd8 18. f3 Be6 19. Nxe6 fxe6 20. Rxd8+ Rxd8 21. Rd1 {½-½ (21) Duda,J (2707)-Ivanchuk,V (2728) Tbilisi 2017}) 6... Nb6 $146 ({Predecessor:} 6... c5 7. d5 exd5 8. Nxd5 Nxd5 9. Qxd5 Be7 10. Be3 O-O 11. O-O-O Qa5 12. Bd2 Qb6 13. Bg2 {0-1 (30) Kozlova,O (2216)-Winnicki,A (2036) Germany 2014}) 7. Bg2 Nbd5 8. Nf3 {White is slightly better.} c6 9. O-O Bd6 10. Re1 Nxc3 11. bxc3 O-O 12. Qd3 h6 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qc7 14. Ne5 Be7 15. Bf4 {[#] Strongly threatening Nxf7!} Bd6 16. Bd2 Be7 17. a5 Bd7 18. Qf3 Rac8 19. Bf4 Nd5 20. Ng6 $2 {[%mdl 8192] [#]} (20. Bc1 $16 {and life is bright.}) 20... fxg6 $19 21. Bxc7 Rxf3 22. Bxf3 Rxc7 ({Don't play} 22... Nxc7 23. c4 $17) 23. c4 Nf6 24. c5 a6 25. Ra3 Kf7 26. h4 Bc8 27. Bg2 Bd8 28. Bh3 (28. f4 $142) 28... g5 29. hxg5 hxg5 30. f3 Re7 31. Re5 Nh7 32. Kf2 Bc7 33. Re2 Nf6 34. c4 (34. Re1 $142) 34... Nh5 35. Rb2 Bxg3+ 36. Ke3 (36. Kf1 $142) 36... Bf4+ {Precision: White = 35%, Black = 59%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Sakaev, Konstantin"]
[Black "Nazaretyan, Tigran"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2594"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,89,75,80,81,128,119,172,142,198,196,181,187,203,212,210,218,205,147,160,151,197,203,203,205,243,236,280,280,279,268,270,268,262,266,258,267,232,185,191,185,406,382,556,548,514,375,439,422,634,634,630,625,644,645,633,625,618,618,643,615,29986,29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 Nd7 11. bxa5 Rxa5 12. Bb4 Ra8 13. a4 Nc5 14. a5 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} f5 15. Bxc5 dxc5 {LiveBook: 4 Games} 16. Nd2 {White is better.} c6 17. Nb3 {And now d6 would win.} Qd6 (17... fxe4 $16 18. Nxe4 (18. Nxc5 e3 $11) 18... Nf5) 18. Qd2 $18 Bd7 $146 {[#]} (18... Kh8 $16 19. Qe3 cxd5) ({Predecessor:} 18... f4 19. Qd1 h5 20. Na4 cxd5 21. cxd5 Kh7 {1-0 (30) Rychagov,A (2455)-Smirnov,A Kolontaevo 1997}) 19. Qe3 $1 cxd5 {...d4 is the strong threat.} 20. Qxc5 Qf6 21. cxd5 ({Much less strong is} 21. Nxd5 $6 Nxd5 22. cxd5 (22. Qxd5+ Qf7 $14) 22... fxe4 $16) 21... Rfc8 22. Qb4 Bf8 23. d6 Nc6 24. Nd5 Qe6 25. Qd2 {Black must now prevent Bc4.} Qxd6 {[#]} 26. Nb6 $1 Qxd2 27. Nxd2 Rd8 28. Nxa8 Rxa8 29. Rfb1 Ra7 30. Bc4+ Kg7 31. Bd5 Nb4 32. Nc4 Kf6 33. Rb3 b5 34. Nb6 Be8 $2 (34... Nc2 {was worth a try.}) 35. Rc3 Be7 (35... Kg7 {was called for.} 36. exf5 gxf5) 36. Rc8 Bf7 37. Bxf7 Kxf7 38. Nd5 fxe4 (38... Bd6 $142 39. Nc3 Be7 40. Nxb5 Ra6) 39. Rc7 Rxc7 40. Nxc7 {KRN-KBN} e3 41. fxe3 Bc5 42. a6 Bxe3+ 43. Kf1 Nc6 44. Nxb5 Bd4 45. Nxd4 {Precision: White = 86%, Black = 34%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Savchenko, Boris"]
[Black "Zhai, Mo"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2585"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,23,34,25,20,33,24,25,-60]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nd6 7. O-O Be7 8. c3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} O-O (8... Nd7 9. Re1 O-O 10. Qc2 g6 11. Bf4 Re8 12. Nbd2 Nf8 13. Rac1 c6 14. h3 Ne6 15. Bh2 Bf8 {½-½ (30) Ivanchuk,V (2729)-Kuzubov,Y (2646) Kocaeli 2017}) 9. Qc2 g6 {LiveBook: 6 Games} 10. Qb3 c6 11. Re1 Bg4 $146 ({Predecessor:} 11... Re8 12. Bf4 Nd7 13. Nbd2 Nf8 14. Nf1 Ne6 15. Bd2 Bf6 {½-½ (138) Wang,J (2365)-Zhai,M (2317) Zibo 2017}) 12. Bf4 (12. Nbd2 $11) 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Bykov, Egor"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2346"]
[BlackElo "2696"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,32,43,0,0,0,0,0,3,0,14,10,8,-11,-8,-22,-17,-30,-12,-7,-14,0,0,0,0,-4,-8,-12,0,-87,-74,-70,-52,-77,-67,-63,-78,-123,-112,-110,-120,-119,-144,-284,-22,-109,-95,-190,-173,-265,-237,-210,-112,-89,-109,-110,-101,-72,-91,-99,-102,-932,-211,-932,-933,-934,-917,-12839,-12838,-12839,-12839,-29988,-29989,-29989,-29990]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 dxc4 5. e3 Be6 6. Bxf6 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} exf6 7. d5 Bc8 8. Bxc4 {The position is equal.} Bd6 9. Nf3 O-O 10. O-O Re8 11. Rc1 a6 12. Nd2 $146 ({Predecessor:} 12. a4 Nd7 13. Qd4 {0-1 (42) Ward,D (1772)-Sellars,K (2236) Toronto 2010}) 12... f5 13. Be2 Nd7 14. Nc4 Bf8 15. Bf3 Rb8 16. g3 h5 17. Qc2 h4 18. Rfd1 Qg5 19. a4 (19. Ne2 $11) 19... hxg3 20. hxg3 b5 21. axb5 axb5 22. Na5 Ne5 $36 {[%mdl 2048] Black is really pushing.} 23. Bg2 Ng4 24. Nc6 Rb6 25. d6 Bxd6 26. Nd5 (26. Rxd6 $17 {was the only defense.} cxd6 27. Nd5) 26... Rb7 $2 (26... Bb7 $19 27. Nd4 (27. Nxb6 $2 Bxg3 28. Rd2 cxb6 $19) 27... Qh6) 27. Qc3 {[#]} (27. Bf3 $11) 27... b4 $1 {[%mdl 512]} 28. Qd4 (28. Qd2 $17 {was necessary.}) (28. Ncxb4 Qh5) 28... Rb5 $1 $19 {[%cal Rb5d5]} 29. Rc2 (29. f4 {was worth a try.} Qh5 30. Nf6+ Nxf6 31. Qxf6) 29... Be6 ({Less strong is} 29... Qh5 30. Qxg4 $1 {[%mdl 512]} fxg4 31. Nf6+ Kf8 32. Nxh5 $17) 30. Ncxb4 {[#]} c5 ({Better is} 30... f4 $1 $19 {[%cal Rf4g3][%mdl 512]} 31. exf4 (31. gxf4 $2 Qh5 $17) (31. Nxf4 Rxb4) 31... Qh5 32. Nxc7 Rxb4) 31. Qd3 $17 Rxb4 32. Nxb4 Bxg3 $1 33. fxg3 cxb4 34. Re2 {[#]} ({Don't go for} 34. Bc6 $2 Nxe3 35. Rh2 Nxd1 $19) 34... Qh6 $1 {[%cal Rh6h2] And now ...Qh2+ would win.} 35. Qb5 $2 {[%mdl 8192]} (35. Bh1 $17) 35... Qh2+ $19 36. Kf1 Rc8 37. Qb7 Qxg3 {White must now prevent ...Rc2!} 38. Rde1 {[#]} Rc2 $1 {[%mdl 512]} 39. Qa8+ (39. Rxc2 Bc4+) 39... Kg7 {( -> ...Bc4)} 40. b3 Bxb3 41. Kg1 Bc4 {Precision: White = 35%, Black = 68%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Chashchev, Sergey"]
[Black "Volkov, Sergey"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2342"]
[BlackElo "2638"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,124,19,0,29,27,58,60,83,80,51,0,36,0,0,0,0,0,0,0,97,52,81,77,69,70,80,66,66,28,27,27,23,0,67,7,27,-14,-1,-70,-70,-70,-63,-70,-70,-71,-71,-91,-92,-263,-260,-295,-291,-266,-235,-225,-230,-233,-227,-248,-248,-248,-240,-248,-220,-278,-277,-303,-295,-279,-258,-300,-293,-361,-357,-344,-335,-487,-366,-387,-347,-412,-375,-390,-394,-427,-397,-885,-782,-2143,-1038,-1993,-1791,-1978,-1801,-1914,-1687,-1712,-1252,-29965,-29967,-29969,-29970,-29965,-29965,-29971,-29972,-29970,-29971,-29975,-29974,-29961,-29966]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bb7 7. Qe2 Nc6 8. c3 {LiveBook: 11 Games. C00: French: Unusual White 2nd moves} Qd7 (8... a5 9. Nc4 a4 10. e5 Nd7 11. Bf4 Na5 12. Ncd2 Be7 13. h4 Nc5 14. Rd1 Qd7 15. Be3 O-O-O 16. Bxc5 Bxc5 {0-1 (50) Petrosian,T (2654)-Grigoryan,A (2571) Yerevan 2014}) 9. Bg2 O-O-O 10. O-O $1 {White is slightly better.} Qd3 $146 ({Predecessor:} 10... Ng4 11. Nb3 Nge5 12. Nfd4 Nb8 13. Qh5 Nd3 {0-1 (24) Llamazares Lopez,M (1887)-Monmeneu Chulia,V (2147) Valencia 2009}) 11. Qxd3 Rxd3 12. Re1 ({White should play} 12. Nc4 $1 $14) 12... Bc5 13. Nb3 Be7 14. Nfd4 Nxd4 $1 15. Nxd4 Bc5 $1 16. Nb3 Nd7 (16... Be7 $11) 17. Bf1 ({But not} 17. Nxc5 $6 Nxc5 18. f3 Nd7 $11) 17... Rf3 18. Nxc5 Nxc5 19. Be2 Bxe4 20. Bxf3 Bxf3 21. Re3 Bc6 22. b3 Rd8 {( -> ...Rd1+)} 23. Kf1 (23. Ba3 {keeps more tension.} Ne4 24. Kf1 Rd2 25. Ke1 Rc2 26. c4) 23... g5 (23... Rd1+ $11 24. Ke2 Rh1) 24. g4 (24. Ba3 $14) 24... f5 $11 25. Ba3 {Bxc5 is the strong threat.} Ne4 26. Rae1 (26. f3 $11 Nd2+ 27. Kf2) 26... Nd2+ $1 $15 27. Ke2 fxg4 {aiming for ...Bf3+.} 28. Rd3 Nf3 $1 29. Rxd8+ Kxd8 {[%mdl 4096] Endgame KRB-KBN} 30. Rd1+ Ke8 $1 31. Ke3 $2 (31. Rh1 $17 {might work better.}) 31... Nxh2 $19 32. c4 h5 33. Bb2 {intending Be5.} Nf3 34. Bf6 Bd7 $1 35. Rh1 {[#]} h4 $1 36. Bxg5 Nxg5 37. Rxh4 {[#]} e5 $1 38. Rh8+ Ke7 39. Rb8 Ne6 40. Rg8 Nd4 41. Ke4 Kf6 42. Rf8+ Ke6 43. Rg8 Bc6+ 44. Kd3 Bf3 45. Rg7 (45. Kd2 $142) 45... Kd6 46. Rg6+ Ne6 47. Ke3 a5 48. Rh6 e4 49. Kd2 Ke5 50. Ke3 $2 (50. Rh7 a4 51. Ke3) 50... Nd4 51. Rh7 Nf5+ 52. Kd2 c5 53. Rh8 g3 54. fxg3 Nxg3 55. Rb8 Kf4 56. Rxb6 e3+ {Black mates.} 57. Ke1 Ne4 58. Kf1 Nf2 59. Rf6+ Ke4 60. Re6+ Kd4 61. Rd6+ Kc3 62. Rf6 Bg4 {Precision: White = 42%, Black = 74%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Karasev, Vladimir I"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2339"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,84,-11,-15,4,0,0,0,0,0,0,-1,0,0,0,0,-9,-9,22,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,-19,-10,-11,0,0,0,-22,-24,-25,-35,-28,-33,-23,-41,-27,0,0,0,0,-14,-72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 7. Nxd7 Nxd7 8. e3 Nb6 9. Qb3 {LiveBook: 8 Games} e5 $146 ({Predecessor:} 9... Nxc4 10. Bxc4 dxc4 11. Qxc4 Qd5 12. Qxd5 exd5 13. Bd2 Bxc3 14. Bxc3 Kd7 15. Ke2 h5 {½-½ (15) Khismatullin,D (2681)-Vitiugov,N (2742) St Petersburg 2014}) 10. cxd5 Qxd5 11. Qxd5 Nxd5 12. Bd2 O-O-O {[%cal Ba8d8,Bd8d7,Bd7e7][%mdl 32]} 13. Bc4 Nb6 14. Bxf7 exd4 15. exd4 Rd7 16. Bh5 {[#] Bg4 is the strong threat.} Re7+ 17. Be3 Nd5 18. O-O Nxe3 19. fxe3 Rxe3 20. Nd5 Re4 21. Nxb4 Nxb4 22. Rf7 g6 23. Bf3 Rxd4 24. Rc1 c6 25. Re1 Nd5 26. Bxd5 Rxd5 $11 {[%mdl 4096] Endgame KRR-KRR} 27. Ree7 {Hoping for Rc7+.} Rd1+ 28. Kf2 {[#] Strongly threatening Rc7+.} Rd2+ 29. Re2 Rd7 30. Ree7 $1 {[%cal Re7d7]} Rxe7 31. Rxe7 {KR-KR} Rd8 32. Rxh7 Rd2+ 33. Kf3 Rxb2 34. Rg7 c5 (34... Rxa2 $17 35. h4 Ra1 36. Rxg6 a5) 35. Rxg6 {The position is equal.} c4 36. Ke3 Rxa2 37. h4 Ra1 38. h5 Rh1 39. h6 a5 40. Kd4 b5 41. Rg5 Rxh6 {Threatens to win with ...Rb6.} 42. Rxb5 Rg6 {Precision: White = 90%, Black = 56%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Biriukov, Oleg V"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2336"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,98,24,21,37,37,32,16,20,15,41,0,31,-28,-14,-54,-47,-56,16,24,24,18,23,-9,-9,-25,-25,-33,-30,-33,-18,-19,-20,-20,-29,-8,-25,-91,-85,-95,-87,-89,-92,-102,-83,-82,-87,-79,-45,-46,0,-81,-82,-112,-116,-118,-134,-136,-131,-125,-121,-117,-115,-119,-130,-221,-204,-391,-379,-385,-369,-552,-558,-484,-353,-525,-525,-1062,-1005,-29988,-29989]} 1. d4 d6 2. Nf3 g6 3. e4 Nf6 4. Bd3 Bg7 5. O-O O-O 6. c3 Nbd7 7. Re1 e5 8. Bg5 h6 9. Bh4 Qe8 {B07: Pirc Defence: Miscellaneous Systems} (9... c6 10. Nbd2 Qc7 11. a4 Re8 12. Nc4 Nf8 13. Bc2 Bg4 14. h3 Bxf3 15. Qxf3 Nh5 16. Rad1 exd4 17. cxd4 Ne6 18. e5 d5 19. Na3 Qb6 {0-1 (64) Van den Doel,E (2568)-Kunin,V (2592) Amsterdam 2016}) 10. Na3 a6 11. Nc4 {LiveBook: 3 Games} b6 {The position is equal.} 12. a4 Bb7 13. b4 $146 ({Predecessor:} 13. dxe5 dxe5 14. b4 Nh5 15. Qc2 Nf4 16. Bf1 f5 17. Nfd2 Ne6 18. exf5 gxf5 {1-0 (44) Supatashvili,K (2469)-Izoria,Z (2466) Tbilisi 2001}) 13... exd4 14. Nxd4 Qb8 ({Much weaker is} 14... Nxe4 $6 15. Bxe4 Bxe4 16. f3 $16) 15. Qc2 Re8 16. Bg3 (16. f3 $14) 16... Nh5 $11 17. Rab1 Nxg3 18. hxg3 d5 (18... h5 $15) 19. exd5 Bxd5 20. Ne3 Bb7 21. Bc4 Be4 22. Bd3 (22. Qa2 {looks sharper.} Ne5 23. Bd5 Bxd5 24. Qxd5 Qc8 25. Qb3) 22... Qb7 23. Bxe4 Rxe4 24. Rbd1 c5 25. Nb3 {aiming for Rxd7!} Rae8 26. bxc5 Nxc5 27. Nxc5 bxc5 28. Rb1 (28. Rd6 $1 $11 {keeps the balance.}) 28... Qc6 $17 29. a5 Qa4 30. Qxa4 Rxa4 31. Nd5 Rxe1+ 32. Rxe1 Rxa5 {[%mdl 4096] Endgame KRB-KRN} 33. Re8+ Kh7 34. Re7 Kg8 35. Re8+ $1 {[#]} Bf8 $1 36. Nf6+ Kg7 37. Nd7 Bd6 38. Rc8 h5 39. Rc6 Be7 40. f4 Ra1+ 41. Kh2 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 42. Nxc5 (42. Rc7 $17) 42... a4 $19 43. Ne4 $2 (43. Rc7 Kf6 44. Ne4+ Ke6 45. Nd2) 43... a3 44. Ra6 Re1 ({Don't play} 44... a2 45. Nd2 $19) 45. Ng5 (45. Nf2 $142) 45... Bc5 46. Nf3 Rc1 47. Nd4 (47. f5 $142 gxf5 48. Nh4) 47... Rxc3 48. Ra4 {[#]} a2 $1 {[%mdl 512]} 49. Nf3 (49. Rxa2 Bxd4) 49... Ba3 {Precision: White = 40%, Black = 68%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Bykov, Oleg"]
[Black "Kobalia, Mikhail"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2333"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,129,31,29,43,47,41,34,21,25,36,23,30,0,0,0,0,0,0,0,0,0,0,0,0,-32,-22,-12,-5,-23,-24,-10,0,0,7,-50,-52,-76,-8,-5,-11,-11,-7,-12,-10,-2,-13,-26,0,0,15,11,29,20,32,38,35,0,8,-55,-55,-55,-55,-55,-55,-55,-55,-55,-53,-99,-53,-55,-55,-55,-43,-53,-43,-53,-53,-53,-53,-53,-53,-53,-53,-53,0,0,0,0,0,0,0,0,0,0,0,-71,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d6 2. d4 g6 3. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 4. Nc3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 Nbd7 8. e5 Ne8 9. Bf4 {LiveBook: 14 Partien} d5 {B08: Pirc-Ufimzew-Verteidigung} (9... dxe5 10. dxe5 Nc7 11. Bc4 Nb6 12. Ba2 Bg4 13. Qe2 Ne6 14. Bxe6 fxe6 15. Bg3 Bxf3 16. gxf3 Qe8 17. Ne4 {0-1 (40) Fominyh,A (2579)-Morozevich,A (2732) Sochi 2004}) 10. Qd2 f6 $146 ({Vorgänger:} 10... Nc7 11. Bd3 f6 12. exf6 Rxf6 13. Ng5 h6 14. Nf3 g5 15. Bg3 Rxf3 16. gxf3 {1-0 (27) Pagunski,M-Ertel,J DESC email 2005}) 11. exf6 exf6 {Weiß steht etwas besser.} 12. a5 Rf7 13. Na4 Nf8 14. c4 Ne6 15. cxd5 Nxf4 16. Qxf4 cxd5 17. Nc5 Nc7 18. Bd1 Ne6 19. Qd2 Qd6 20. b4 Nc7 21. Bb3 Re7 22. Rfe1 Rxe1+ 23. Rxe1 b6 24. Ne4 Qd8 25. Qf4 (25. Nc3 $11) 25... Be6 $15 26. Nc3 Bf8 ({Lieber} 26... bxa5 $17 27. bxa5 Bf7) 27. Nb5 $1 $11 {[%cal Rb5c7]} Nxb5 28. Rxe6 Kg7 29. h4 Bd6 $1 {[%cal Rd6f4]} 30. Qd2 Nc7 31. Re1 Qd7 32. Bc2 Qb5 33. Rb1 Re8 34. Bd3 Qd7 35. axb6 axb6 36. b5 Qg4 $132 {[%mdl 2048] Schwarz puts up resistance} 37. Re1 ({Günstiger ist} 37. Ra1 $11) 37... Ne6 $1 $15 {[%cal Re6f4] ...Sf4! ist eine echte Drohung.} 38. Bf1 {[#]} Nxd4 $1 {[%mdl 512]} 39. Nxd4 (39. Qxd4 Qxd4) 39... Rxe1 40. Qxe1 {zielt auf Da1 ab.} Qxd4 {[#]} 41. g3 $1 {[%mdl 512]} f5 (41... Bxg3 42. Qe7+) 42. Kg2 Bc5 43. Qe2 Kf6 44. Qf3 Qd2 45. Be2 Ke5 46. Kf1 Qc1+ 47. Kg2 h5 48. Bf1 Qd2 49. Kg1 Bd4 50. Bg2 Qc1+ (50... Bc3 $15) 51. Kh2 $11 Qc5 52. Qe2+ Kf6 53. f4 Be3 54. Qd3 d4 55. Qb3 Qd6 56. Qd5 (56. Qg8 $11 {hält das Gleichgewicht.}) 56... Bxf4 (56... Qxd5 $17 57. Bxd5 d3) 57. gxf4 {Die Stellung ist ausgeglichen.} Qxf4+ 58. Kg1 Qe3+ 59. Kf1 d3 60. Qd6+ Kg7 61. Qd7+ Kh6 62. Qd8 {[%cal Rd8h8]} Qe2+ 63. Kg1 {[%cal Rd8h8]} Qe3+ 64. Kf1 {[%cal Rd8h8]} Qe2+ 65. Kg1 {Precision: Weiß = 69%, Schwarz = 58%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Vaishali R"]
[Black "Batchuluun, Tsegmed"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2330"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,75,0,-7,-6,-26,-29,-27,-37,-34,-25,-41,-33,-26,-19,-22,29,26,25,22,30,22,28,16,16,21,119,63,61,42,44,0,0,0,0,0,0,0,8,8,17,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 Be7 5. g3 c5 6. Bg2 Nc6 7. O-O O-O 8. e5 Nd7 9. c4 Rb8 {C00: French: Unusual White 2nd moves} (9... Re8 10. Nc3 d4 11. Ne4 Ndxe5 12. Nxe5 Nxe5 13. Nxc5 Nc6 14. Ne4 e5 15. g4 f5 16. gxf5 Bxf5 17. Ng3 Bg6 {½-½ (26) Anand,V (2803)-Khairullin,I (2652) Berlin 2015}) 10. Re1 d4 11. h4 {LiveBook: 6 Games} a6 12. Bg5 $146 ({Predecessor:} 12. Bf4 b5 13. Ng5 Bb7 14. cxb5 axb5 15. Be4 Bxg5 16. hxg5 Ne7 17. Nd2 {1-0 (55) El Jawich,A (2186)-Berend,F (2380) Tromsoe 2014}) 12... Bxg5 13. hxg5 b5 14. cxb5 axb5 15. Nbd2 Bb7 16. Rac1 Qe7 17. Ne4 Ncxe5 ({Better is} 17... Rfd8) 18. Nxe5 $11 Nxe5 19. Nxc5 Bxg2 20. Qxe5 Ba8 21. Ne4 {Black must now prevent Nf6+!} ({Much weaker is} 21. Qxd4 Qxg5 22. Ne4 Rbd8 $15) 21... Bxe4 22. Rxe4 Rbd8 (22... Qa7 $11 {keeps the balance.}) 23. Rc5 ({Much worse is} 23. Qxb5 $6 Rb8 $14) (23. Rxd4 $16 b4 24. Rxd8 Qxd8 25. Qc5) 23... Qa7 $14 24. Rxd4 Qxa2 25. Rxb5 Qb1+ {The position is equal.} 26. Kg2 {[#] Rxd8 is the strong threat.} Ra8 {And now ...Ra1 would win.} 27. Qd6 g6 28. Rh4 Rad8 29. Qe5 Qxd3 30. Rhb4 Rd7 31. Rb8 Qd5+ 32. Qxd5 Rxd5 $11 {[%mdl 4096] Endgame KRR-KRR} 33. f4 Rd3 34. Rxf8+ Kxf8 35. Rb8+ Kg7 36. Rb7 Kf8 37. Rb8+ Kg7 38. Rb7 {Precision: White = 54%, Black = 63%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Artemiev, Vladislav"]
[Black "Faizrakhmanov, Ramil"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2696"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,133,70,74,68,77,67,65,66,61,52,57,57,64,64,89,86,92,54,109,89,111,111,114,104,110,87,114,95,114,116,111,102,104,119,119,112,113,109,110,92,99,97,92,77,67,62,108,79,79,79,79,79,76,45,117,117,129,122,139,100,128,100,84,29,14,0,81,81,107,91,172,141,137,99,95,34,163,134,110,0,295,306,450,447,1239,746,675,374,2661,2734,2587,371,2408,579,2299,2072,2339,1675,12844,12843,12845,12845,12845,12846,12850,12850,12850,29978,29978,29979,29979,29980]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 c5 7. dxc5 Nc6 8. O-O Bxc5 9. cxd5 exd5 10. a3 h6 11. b4 Be7 12. Bb2 Be6 {LiveBook: 5 Games} 13. Rc1 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} Rc8 {[#]} 14. Qd3 $146 ({Predecessor:} 14. Nd4 Nxd4 15. Qxd4 a5 16. Nxd5 Bxd5 17. Rxc8 Qxc8 18. Bxd5 axb4 19. axb4 Rd8 {1-0 (46) Hera,I (2565)-Kostic,V (2440) Austria 2011}) 14... Qd7 15. Rfd1 {White is slightly better.} Rfd8 16. Qb1 Qe8 17. e3 a6 18. Qa1 Qf8 19. Ne2 Ne4 20. Nf4 Bf6 (20... g5 $14) 21. Ne1 Qe7 22. Ned3 Bxb2 23. Qxb2 Nf6 24. Nxe6 (24. Nc5 {looks sharper.} Rd6 25. a4 Rcd8 26. b5 axb5 27. axb5 Na5 28. Qb4) 24... fxe6 25. Bh3 Rd6 {[#]} 26. a4 $1 Re8 27. b5 axb5 28. axb5 Nd8 29. Rc8 Nf7 30. Rdc1 Ng5 31. Bf1 Rxc8 32. Rxc8+ Rd8 33. Rxd8+ Qxd8 34. h4 Nf7 35. Bh3 Qd6 36. Qc3 Nd8 37. Qd4 Kf7 38. g4 Ke7 (38... Qe7 $14) 39. g5 $16 hxg5 40. hxg5 Ne8 41. Nf4 b6 42. Bg4 Qc5 43. Qe5 ({White should play} 43. Ng6+ $16 Kd7 44. Qb2) 43... Qd6 $11 44. Qd4 (44. Qc3 $11) 44... Qc5 $1 $16 45. Ng6+ Kd7 {With the idea ...Qxd4.} 46. Ne5+ Ke7 (46... Kc8 $16 {was called for.}) 47. Qd3 $36 {[%mdl 2048] Black is under strong pressure.} Qd6 48. Ng6+ Kd7 49. Nf4 ({White should try} 49. Kg2 $16) 49... Kc7 (49... d4 $1 $14) 50. Qg6 Kd7 51. Qd3 (51. Nxe6 $16 Nxe6 52. Qf7+ Kd8 53. Bxe6) 51... Nc7 $2 {[%mdl 8192]} (51... Kc7 $11) 52. Qd4 $18 Kc8 (52... Ne8 {is a better defense.} 53. Nxd5 Nf7) 53. Qxg7 Nxb5 (53... d4 $142 54. Qxd4 Qxd4 55. exd4 Kd7) 54. Nxe6 Nxe6 55. Qg8+ Kc7 $2 (55... Kd7 56. Qf7+ Qe7 57. Bxe6+ Kd6) 56. Bxe6 {[%csl Ge6][%cal Rg8c8] [#]} Qe5 57. Qc8+ Kd6 58. Qd7+ Kc5 59. g6 Qg5+ 60. Kf1 Qxg6 61. Qxd5+ Kb4 62. Qb3+ Ka5 63. Bc4 {[%csl Gc4][%cal Rb3b5]} Qc6 64. Qxb5+ Qxb5 65. Bxb5 Kxb5 66. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Kc4 67. f5 {Precision: White = 76%, Black = 49%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Volkov, Sergey"]
[Black "Ofitserian, Boris"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2638"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,116,10,18,0,7,-8,0,0,-12,-10,-6,-13,-7,-13,-13,-13,-13,-13,-13,-13,-13,-13,-11,-37,0,0,0,0,0,-21,-21,-21,-21,-21,-22,-77,-50,-62,-82,-62,-8,-14,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 {[%cal Be2e4,Be4d5,Bd5d6][%mdl 32]} Na6 8. Be2 c5 9. d5 e6 10. O-O exd5 11. exd5 Re8 12. Rd1 Bf5 13. d6 h6 {LiveBook: 29 Games. D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4} 14. a3 (14. Be3 Ng4 15. Bf4 Bxc3 16. bxc3 Re4 17. Qb5 Rxf4 18. Qxb7 Ra4 19. d7 Be4 20. Qb3 Bc6 21. Rd6 Bxd7 22. Rad1 Qb8 23. Rxd7 Qxb3 24. axb3 Ra2 25. Bc4 Rf8 26. R7d6 Kg7 27. Rxa6 Rxf2 28. Re1 {1-0 (28) Anand,V (2797)-Aronian,L (2777) Zuerich 2015}) 14... Qb6 15. Qb5 {[#]} Rad8 $146 ({Predecessor:} 15... Bc2 16. Rd2 {½-½ (18) Blanco Gramajo,C (2577)-Krueger,H (2520) ICCF email 2005}) 16. Be3 Re6 17. Bc4 {And now Qxb6 would win.} Rexd6 18. Qxb6 Rxd1+ 19. Rxd1 Rxd1+ 20. Nxd1 axb6 {[%cal Ba7b6,Bb6b5][%mdl 32]} 21. Ne5 Be6 22. Bxe6 fxe6 23. Nxg6 Nd5 24. Bd2 b5 25. Nf4 Kf7 26. Kf1 c4 27. Nc3 Nxf4 28. Bxf4 $11 {[%mdl 4096] Endgame KBN-KBN} b4 29. axb4 Nxb4 30. Bd6 (30. Ne4 $11 {keeps the balance.}) 30... Nd3 31. Ba3 Ke8 32. Ne4 Kd7 (32... Be5 $1 $15 33. g3 Kd7) 33. Nd6 $1 {The position is equal.} Bxb2 34. Nxc4 Bd4 {Strongly threatening ...b5.} 35. Ke2 Nxf2 36. Nd6 Kc6 37. Nf7 $1 h5 38. Nd8+ Kd5 39. Nxb7 Ng4 40. h3 Ne3 41. g3 Nc4 42. Bb4 Bb6 {[#] Threatens to win with ...Kc6.} 43. g4 Kc6 {White must now prevent ...hxg4.} 44. gxh5 Kxb7 45. h6 {h7 is the strong threat.} Ne5 {Hoping for ...Nf7.} 46. h7 Nf7 $1 {aiming for ...Bd4.} 47. Bc3 Kc6 48. h8=Q Nxh8 49. Bxh8 {KB-KB} Bd8 50. Kf3 Kd7 51. Kg4 Ke8 52. Be5 Kf7 53. Kh5 Bf6 54. Bxf6 Kxf6 55. Kg4 Kg6 56. Kf4 Kh5 57. Ke5 Kh4 58. Kxe6 Kxh3 {Precision: White = 73%, Black = 78%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Gordievsky, Dmitry"]
[Black "Vokhidov, Shamsiddin"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2605"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,125,2,-12,-2,-28,-22,-38,-29,-45,-51,-45,-44,-67,-55,-50,-51,-63,-41,-45,-33,-47,-44,-44,-41,-67,-32,-56,-37,-58,-38,-39,-26,-35,-23,-49,-11,-55,-19,0,-12,-14,0,0,64,54,55,37,46,39,45,43,365,368,360,372,390,388,385,368,376,329,339,327,339,325,327,324,327,327,374,322,321,321,321,307,304,303,352,343,353,319,391,394,364,318,306,286,408,433,420,420,483,481,458,458,517,511,617,599,641,606,861,844,803,801,785,770,900,819,739,735]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 g6 7. d3 Bg7 8. Bd2 O-O {A34: Symmetrical English: 2 Nc3, lines with ...d5} 9. h4 {LiveBook: 6 Games} Nf6 $146 ({Predecessor:} 9... h5 10. Rc1 b6 11. Ng5 e6 12. O-O Bb7 13. Nge4 Qd7 14. a3 Rac8 15. e3 Rfd8 16. Nxd5 exd5 {½-½ (57) Bacrot,E (2718)-Leko,P (2723) Beijing 2014}) 10. Rc1 Bg4 {Black has an edge.} 11. Qa4 Rc8 12. Be3 b6 13. O-O Bd7 14. Qd1 Ng4 15. Bg5 Be6 16. Bf4 Nf6 17. Qd2 Qd7 18. Rfd1 Rfd8 19. Bh6 Bh8 20. Qe1 Nd4 21. Ne5 Qe8 $1 22. Bd2 Ng4 23. Nc4 Qd7 24. b3 Bg7 25. Qf1 Ne5 26. Be1 Nec6 27. e3 Nf5 28. Ne2 Nd6 29. Bc3 Nb5 ({Black should try} 29... Bxc3 $11 30. Nxc3 Nf5) 30. Bxg7 $14 Kxg7 31. d4 $36 {[%mdl 2048] White has some pressure.} cxd4 32. a4 Nd6 33. Nxd6 Qxd6 $4 {[%mdl 8192]} (33... exd6 $14 34. Rxc6 Rxc6) 34. Rxc6 $1 $18 Rxc6 35. Rxd4 Qc7 {[#] aiming for ...Rxd4.} 36. Bxc6 Bxb3 37. Rxd8 Qxd8 38. Qa1+ f6 39. Qd4 Qc7 40. Qd7 Qxd7 41. Bxd7 Kf7 42. Nd4 Ba2 43. Bb5 Bd5 44. Kf1 e5 45. Nc2 Ke6 46. Ke2 Kd6 47. Kd3 Kc5 48. Kc3 g5 49. Nb4 Bf3 50. Nd3+ Kd6 51. Ne1 Bb7 (51... Bd1 $142 52. Kd2 Bg4) 52. hxg5 fxg5 53. g4 h6 54. Be2 {White is clearly winning.} Bc6 55. Bd1 Bd7 56. e4 a5 57. Kc4 Kc6 58. Nd3 Be6+ 59. Kc3 Kd6 60. Nb2 Kc5 61. f3 Bf7 62. Bb3 Be8 63. Nc4 {Precision: White = 59%, Black = 45%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Vorobiov, Evgeny E"]
[Black "Gubajdullin, Alexei"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2555"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,109,108,106,106,106,106,99,124,97,109,101,101,103,177,127,127,127,127,131,138,131,137,126,126,126,128,126,157,142,151,128,161,147,237,229,374,209,209,206,273,202,295,279,265,255,275,157,180,0,258,220,261,210,215,203,256,185,265,242,290,168,368,335,341,343,327,318,406,319,340,375,356,351,481,291,510,516,509,500,510,494,576,535,29985,29986,29996,29997,29997,580]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 c5 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} 9. d5 b5 10. cxb5 a6 11. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} axb5 12. axb5 {LiveBook: 8 Games} Qa5 13. O-O Qb4 14. Qc2 Bxf3 15. Bxf3 Ne5 {[#]} 16. Be2 $1 Nc4 $146 17. Bg5 {Hoping for Bxc4.} h6 (17... f6 $16) 18. Bxe7 Re8 19. Bxc4 {aiming for Ra1.} Rxe7 20. Be2 Rea7 21. Bg4 h5 22. Bh3 Bd4 23. g3 Kg7 24. Rfe1 Ra5 25. Kg2 R8a7 26. Re2 Ra1 27. Rce1 c4 (27... Rxe1 $16 {was worth a try.} 28. Rxe1 Rb7) 28. Qd2 $18 Bf6 (28... Bxc3 {was called for.} 29. bxc3 (29. Qxc3+ Qxc3 30. bxc3 Rxe1 $18) 29... Qxb5) 29. Qe3 (29. e5 $142 Bxe5 30. Rxe5 dxe5 31. Rxa1 Rxa1 32. d6) 29... Rxe1 30. Rxe1 Re7 31. Qd2 Qa5 (31... Rb7 $142 32. Re2 Bxc3 33. bxc3 (33. Qxc3+ Qxc3 34. bxc3 Rxb5 $18) 33... Qxb5 34. Qd4+ f6) 32. Re2 Qa7 33. Qc2 Qa5 34. Nb1 (34. f4 $18) 34... Rc7 {[#]} 35. Nc3 (35. f4 $142 $1) 35... Re7 $1 36. Qc1 Qa7 37. Qd1 Qa5 38. Qe1 Bd4 39. Rc2 Bf6 (39... Bxc3 $142 40. Qxc3+ Qxc3 41. bxc3 Rxe4) 40. Qe2 Rc7 41. Nb1 (41. f4 $142) 41... Qa2 $2 (41... Qxb5 42. Na3 Qb3 43. Rxc4 (43. Nxc4 Na6 $16) 43... Na6 44. Rxc7 Nxc7) 42. Nd2 c3 43. Qd3 Qa1 44. bxc3 Qd1 45. Ra2 Rxc3 46. Qf1 Qxf1+ 47. Kxf1 Bd4 48. Ke2 f5 $2 (48... Rc7 49. Kd3 Bc5) 49. exf5 Nd7 50. Ne4 Rb3 51. fxg6 Nb6 52. Nxd6 Be5 53. Ra7+ {White mates.} Kxg6 54. Bf5+ Kf6 55. Rf7+ {Precision: White = 49%, Black = 38%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Levin, Evgeny A"]
[Black "Zhang, Ziji"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2545"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,102,56,52,39,54,54,56,39,20,22,41,31,28,28,28,48,22,41,42,53,35,40,39,40,0,246,225,219,234,242,221,206,144,106,193,428,400,581,572,653,543,581,545,826,815,697,547,388,85,105,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 Nbd7 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 9. O-O Bd6 10. h3 O-O (10... Qe7 11. e4 dxe4 12. Bxe4 O-O 13. Bg5 Qd8 14. Re1 Qc7 15. Qf3 Bb4 {1-0 (38) Kramnik,V (2808)-Giri,A (2771) Leuven 2017}) 11. c5 Bc7 12. b4 {LiveBook: 3 Games} a6 13. f4 Nh7 $146 ({Predecessor:} 13... b6 14. cxb6 Bxb6 15. Na4 a5 16. Bd2 axb4 17. Bxb4 {1-0 (59) Sandipan,C (2585)-Muthaiah,A (2308) Mumbai 2016}) 14. a4 f5 15. Bd2 g5 16. b5 axb5 17. axb5 Ndf6 18. Rxa8 Qxa8 19. Qa1 gxf4 20. exf4 Ba5 21. Qb2 $36 {[%mdl 2048] White is more active.} Bxc3 22. Bxc3 Ne4 23. Bxe4 dxe4 $2 (23... fxe4 $11 {and Black stays safe.} 24. Ra1 Qc8) 24. d5 $1 $18 exd5 25. Ra1 Qe8 26. Bxg7 Rf7 27. Be5 {And now Qf2 would win.} Nf8 28. Ra3 (28. bxc6 $16 bxc6 29. Qe2) 28... Ng6 $2 (28... Kh7 29. Qe2 Kh6) 29. Rg3 Kh7 (29... Rd7 {was called for.} 30. Rg5 Kh7) 30. Qe2 {[#] Intending Qh5+ and mate.} Qf8 31. bxc6 ({Stronger than} 31. Qh5+ Qh6 $11) 31... bxc6 32. Bd6 ({Inferior is} 32. Qh5+ Qh6 $17) 32... Qg7 33. Rg5 d4 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 34. Be5 d3 35. Qa2 $2 (35. Qd1 $18 {and White stays clearly on top.} Qf8 36. Bd6) 35... Qf8 $16 36. Qe6 ({Better is} 36. Rh5+ $16 Kg8 37. Rg5) 36... Nxe5 $11 {The position is equal.} ({Not} 36... Qxc5+ 37. Kh2 Nxe5 38. fxe5 Qf8 39. Qg6+ Kh8 40. Rh5+ Qh6 41. Rxh6+ Rh7 42. Rxh7#) 37. fxe5 {[%mdl 4096] [#] Endgame White threatens Qg6+ and mate. KQR-KQR} Kh8 $1 38. Rh5+ Kg8 39. Rxf5 d2 40. Rg5+ Kh8 41. Rh5+ Rh7 42. Rxh7+ Kxh7 {KQ-KQ} 43. Qd7+ Kg8 44. Qxd2 {Hoping for Qg5+.} Qxc5+ 45. Kf1 {Threatens to win with Qg5+.} Qxe5 46. Qd8+ Kf7 47. Qd7+ Kf8 48. Qxc6 Qa1+ 49. Kf2 Qd4+ 50. Ke2 Qd3+ 51. Ke1 Qe3+ {Precision: White = 60%, Black = 76%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Moiseenko, Vadim"]
[Black "Vastrukhin, Oleg"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2543"]
[BlackElo "2386"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,37,33,38,50,57,57,43,29,30,34,29,24,25,29,68,65,76,69,70,76,69,51,33,33,40,40,31,7,108,100,96,96,104,100,212,212,212,212,271,258,270,262,371,363,413,404,421,389,400,353,403,377,807,808,975,989,935,861,1157,1148]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. Be3 Ne7 9. Bd4 {LiveBook: 16 Partien. A42: Moderne Verteidigung (mit c2-c4/ohne Sf6)} Bxd4 10. Qxd4 O-O 11. c5 {Weiß steht etwas besser.} dxc5 12. Qxd8 $146 (12. Qxc5 {seems wilder.} Qd6 13. Qg5 Qb4 14. Rb1 f6 15. Qg3) ({Vorgänger:} 12. Qxc5 Qd6 13. Qxd6 cxd6 14. O-O-O Rd8 15. Rd2 Be6 16. Be2 Rd7 {1-0 (44) Aronian,L (2770)-Andreikin,D (2723) Sochi 2015}) 12... Rxd8 13. Na4 {[#]} c4 $1 {[%mdl 512]} 14. Rc1 (14. Bxc4 Rd4) 14... Be6 15. f3 Rab8 16. Bxc4 Rd4 17. Bxe6 Rxa4 18. Bb3 Rab4 19. Rc5 R8b5 20. Rxb5 cxb5 $14 {[%mdl 4096] Endspiel KTL-KTS} 21. Kd2 {Kc3 ist eine echte Drohung.} a5 22. Rc1 c6 {[#]} (22... a4 $11 {bleibt in der Remisbreite.} 23. Rxc7 (23. Kc3 c5 $11) 23... axb3) 23. Rc5 $1 $16 {zielt auf Kc3 ab.} Rd4+ 24. Kc3 Rd7 25. a4 b4+ (25... bxa4 $16 26. Bxa4 Ra7) 26. Kc2 $18 Ra7 27. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Kg7 28. g5 f6 29. h4 f5 (29... Ra8 $142 30. gxf6+ Kxf6) 30. Kd3 fxe4+ 31. fxe4 Kf8 32. Be6 Ke8 33. Kd4 Kd8 34. Rc1 Kc7 $2 (34... c5+ 35. Rxc5 Ra8) 35. Kc5 {Weiß steht klar auf Gewinn.} Nc8 36. Rd1 Nb6 37. b3 Kb7 38. Rd6 {Precision: Weiß = 86%, Schwarz = 42%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Liu, Yan"]
[Black "Sjugirov, Sanan"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2422"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,107,-4,0,-8,-10,-21,-13,-29,-11,-21,-44,-45,-61,-57,-38,-28,-30,-43,14,-64,0,0,1,-16,-16,-27,-15,-15,-15,-20,8,-5,-5,-5,-4,-12,-8,-12,-4,-12,-8,-12,-4,-16,0,-5,0,-4,0,0,0,-4,0,-4,0,0,0,0,0,-4,-4,-5,-4,-5,-3,-4,-4,-4,-4,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 b6 5. b3 Bb7 6. Bd3 Bd6 7. O-O O-O 8. Bb2 Nbd7 9. Nc3 a6 10. Qe2 Ne4 11. Rac1 f5 {E14: Queen's Indian: Classical Variation (4 e3)} 12. Na4 Qe7 {LiveBook: 4 Games} 13. Rc2 dxc4 14. bxc4 c5 15. Rcc1 $146 ({Predecessor:} 15. Rd1 Rad8 16. Nc3 Kh8 17. d5 Nxc3 18. Bxc3 exd5 19. cxd5 b5 {0-1 (44) Adler,J (2315)-Davies,N (2460) London 1992}) 15... Rad8 16. Rfd1 Bc7 17. Bc2 Qe8 18. Nc3 Nxc3 19. Bxc3 Qh5 {Strongly threatening ...Bxh2+!} 20. h3 Nf6 ({Better is} 20... g5 $15) 21. Re1 (21. dxc5 $11 bxc5 22. Rxd8 Rxd8 23. Rd1) 21... Ne4 (21... g5 $1 $15) 22. Bxe4 $11 Bxe4 23. Ne5 (23. dxc5 {is more complex.} bxc5 24. Nd2 Qxe2 25. Rxe2 Bd3 26. Ree1) 23... Qxe2 24. Rxe2 Bxe5 25. dxe5 {The position is equal.} Bd3 26. Rb2 Bxc4 27. Rxb6 Bxa2 28. Rxa6 Bd5 29. Ra5 c4 30. f3 Ra8 31. Rca1 Rxa5 32. Rxa5 {[%mdl 4096] Endgame KRB-KRB} Rb8 33. Bd4 Kf7 34. Ra7+ Kg6 35. Kf2 Rb1 36. Rc7 Rd1 37. Bc5 {[#] Hoping for Bf8.} Rb1 38. Bf8 Rb7 39. Rxb7 Bxb7 {KB-KB} 40. Bb4 Kh5 41. Kg3 g5 42. Bd2 Bc6 43. Bc3 Ba4 44. Bd2 Bc2 45. Be1 Bd3 46. Bd2 Kg6 47. h4 h6 48. hxg5 hxg5 49. Kf2 g4 50. Kg3 Be2 51. Kf4 Kf7 52. e4 gxf3 53. gxf3 fxe4 54. Kxe4 {Precision: White = 49%, Black = 62%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Gaifullin, Artur"]
[Black "Sethuraman, S P"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2414"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,50,25,15,5,24,0,1,-15,-9,-16,-16,-12,-21,-87,-87,-64,-83,-80,-73,-61,-65,-65,-69,-65,-72,-158,-165,-528,-532,-771,-752,-2574,-2150,-29967,-29970,-29997,-29992]} 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Be2 Nf6 5. O-O b6 6. c4 O-O 7. Nc3 cxd4 {E61: King's Indian: Early deviations for White, including Smyslov System} 8. exd4 Bb7 {LiveBook: 6 Games} 9. Bg5 h6 {The position is equal.} 10. Bf4 $146 ({Predecessor:} 10. Bh4 Ne4 11. Nxe4 Bxe4 12. Re1 f5 {½-½ (32) Stoma,P (2365)-Lysyj,I (2663) Warsaw 2016}) 10... d5 11. Re1 Nc6 12. Ne5 Rc8 13. Bf3 {[%cal Rc4d5]} dxc4 14. Qa4 (14. Qd2 $11) 14... Qxd4 $17 15. Bxc6 Rxc6 16. Ne2 Qe4 {aiming for ...b5!} 17. f3 Qd5 {And now ...Re6 would win.} 18. Nxc6 Bxc6 19. Qa3 Nd7 {[%cal Bf6d7,Bd7e5,Be5f3][%mdl 32]} 20. Be3 {[#]} (20. Red1 $142 Qc5+ 21. Qxc5 Nxc5 22. Rab1) 20... Ne5 $1 {[%cal Re5f3]} 21. Nf4 $2 {[#]} (21. Bd4 {is tougher.}) 21... Nxf3+ $1 $19 {[%mdl 512]} 22. gxf3 Qxf3 {White must now prevent ...e5.} 23. Qb4 e5 24. Qd2 exf4 25. Bxf4 {[#]} Bd4+ $1 {[%mdl 512] Precision: White = 17%, Black = 80%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Sindarov, Javokhir"]
[Black "Sakaev, Konstantin"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2406"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,0,0,-13,-13,-4,-1,-44,-39,-39,-49,-43,-45,-50,-35,-59,-52,-52,-45,-75,-71,-88,-85,-95,-104,-93,-108,-106,-102,-219,-222,-214,-221,-268,-216,-233,-21,-21,-21,-26,-28,-27,-23,-23,-20,-9,-25,-6,0,-6,0,-3,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 e6 3. Nf3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Be7 7. O-O O-O {LiveBook: 329 Games} 8. h3 {B22: Sicilian: 2 c3} (8. c4 Qd8 9. dxc5 Na6 10. Nc3 Nxc5 11. Bc2 Qxd1 12. Rxd1 b6 13. Ne5 {½-½ (13) Kryvoruchko,Y (2714)-Duda,J (2693) Chartres 2017}) 8... b6 9. Bg5 $146 ({Predecessor:} 9. Be3 Rd8 10. Qe2 Nbd7 11. Rd1 Qc6 12. Bf4 Bb7 13. Nbd2 Bd6 14. Bxd6 Qxd6 15. Ne4 Qc7 16. dxc5 Nxc5 17. Nxf6+ gxf6 {0-1 (64) Pavlik,V (1719)-Chlebek,J (1789) Kouty nad Desnou 2017}) 9... Bb7 10. Nbd2 cxd4 11. cxd4 Nc6 12. Be3 Rac8 13. Rc1 Na5 ({Much worse is} 13... Qxa2 14. Nc4 $11) 14. b3 Nc6 15. Nc4 Rfd8 16. Qe2 b5 17. Ncd2 a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} 18. a4 {[%cal Ra4b5]} Nb4 19. Bb1 bxa4 20. bxa4 a5 {Hoping for ...Ba6.} 21. Nc4 (21. Rfe1 $17 {was necessary.}) 21... Ba6 $19 22. Nfe5 Rc7 {...Rdc8 is the strong threat.} 23. Rc3 Rdc8 24. Rfc1 Bd6 $2 {[#]} (24... g6 $19 {Threatens to win with ...Nd7.} 25. Bd3 Nxd3 26. Qxd3 Qe4) 25. Nxd6 $11 Rxc3 26. Nxc8 Rxc1+ 27. Bxc1 Bxe2 28. Ne7+ Kf8 29. Nxd5 Nfxd5 30. Bd2 h6 {The position is equal.} 31. Be4 Bd1 32. Nc4 Bxa4 33. Nxa5 Nc6 34. Bxd5 exd5 35. Nxc6 Bxc6 {[%mdl 4096] Endgame KB-KB} 36. f3 f6 37. Kf2 Kf7 38. Bb4 Bb5 39. h4 h5 40. Bc5 Bc4 41. Kg3 {Precision: White = 67%, Black = 76%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Erenberg, Ariel"]
[Black "Alekseenko, Kirill"]
[Result "0-1"]
[ECO "D21"]
[WhiteElo "2401"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,78,31,27,35,34,0,38,26,49,15,11,25,37,13,22,17,21,12,50,27,28,7,7,0,0,0,1,-2,-8,-8,0,0,0,-7,0,-16,-13,-39,-22,-493,-457,-659,-566,-616,-268,-346,-348,-429,-421,-426,-418,-1251,-1163,-1554,-1505,-1741,-1302,-2198,-2188,-6018,-6022]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. O-O Nf6 7. h3 Bh5 8. Nc3 Nc6 9. Be2 Bd6 10. Nd2 {D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3} Bg6 {LiveBook: 5 Games} 11. Nc4 O-O 12. a3 $146 {White is slightly better.} ({Predecessor:} 12. Nxd6 cxd6 13. Bd2 e5 14. d5 Ne7 15. Qb3 Rb8 16. a4 Ne4 17. Be1 Qd7 {½-½ (33) Khmelniker,I (2447)-Romanishin,O (2570) Vlissingen 2005}) 12... Qe8 13. b4 Ne7 14. Bf3 Ned5 15. Bb2 Rd8 16. Qe2 Nxc3 17. Bxc3 Be4 18. Rfc1 Qe7 19. Bb2 h6 20. Rd1 c6 21. Rac1 Bb8 22. g3 Qd7 23. Ne5 Qd5 24. Rc5 Bxf3 25. Nxf3 Qe4 26. Rcc1 Qf5 27. Kg2 Ne4 28. Qc2 Rd5 29. Ne1 $2 {[%mdl 8192]} (29. Qe2 $11) 29... Qg6 $1 $19 30. g4 (30. f3 $142 Qxg3+ 31. Kf1 Qxh3+ 32. Qg2 Ng3+ 33. Kf2) 30... f5 {[%cal Bf7f5,Bf5g4][%mdl 32]} 31. f3 Nf6 (31... fxg4 $142 32. hxg4 {[#]} Rxf3 $1 {[%mdl 512]} 33. Kxf3 Rf5+ $1 {[%mdl 512]} 34. Ke2 (34. gxf5 {gets mated.} Qh5+ 35. Kg2 Qh2+ 36. Kf3 Ng5+ 37. Kg4 Qh3#) 34... Rf2+ 35. Kd3 Rxc2 36. Kxc2 Nf2+ 37. Rd3 Nxd3 38. Nxd3 Qxg4) 32. Rd2 h5 33. Kg1 hxg4 34. hxg4 {Now Rg2 and White clings on.} Qh6 35. Qd3 (35. g5 $142 Qxg5+ 36. Rg2 Qxe3+ 37. Qf2) 35... fxg4 {Black is clearly winning.} 36. f4 Rh5 {( -> ...Rh1+)} 37. Rg2 Rh3 38. Kf1 Nd5 39. Nc2 {[#]} Nxf4 $1 {[%mdl 512] Precision: White = 12%, Black = 56%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Bryakin, Mikhail"]
[Black "Paravyan, David"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2391"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,12,16,-33,-33,-32,-31,-29,-32,-52,-48,-54,-56,-44,-41,-56,-59,-67,-67,-75,-45,-92,-101,-119,-127,-116,-125,-102,-92,-107,-68,-92,-95,-102,-94,-79,-83,-104,-115,-112,-114,-125,-119,-125,-128,-133,-128,-126,-126,-151,-165,-201,-141,-125,-104,-304,-298,-325,-311,-317,-300,-302,-308,-308,-310,-284,-302,-321,-343,-386,-382,-539,-539,-536,-526,-869,-854,-4838,-4718,-4827,-3164,-29984,-29985,-29991,-29992]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. e3 c5 6. cxd5 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} Nxd5 {LiveBook: 4 Games} 7. Bc4 $146 ({Predecessor:} 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Qb3 Nxc3 10. bxc3 Nc6 11. Nf3 Na5 12. Qb1 O-O 13. O-O Rac8 {0-1 (39) Kovalenko,I (2680)-Sychev,K (2415) Minsk 2015}) 7... Nxc3 8. bxc3 {Black is slightly better.} cxd4 9. exd4 Qc7 10. Qb3 O-O 11. Ne2 Nc6 {[#] And now ...Na5 would win.} 12. Bd3 b6 13. O-O Bb7 14. Rac1 e5 15. Qb1 Qd7 {[%cal Re5d4]} 16. dxe5 Qg4 (16... Bxe5 17. h3 $11) 17. Be3 Nxe5 {[%csl Gb7][%cal Rg4g2]} 18. Ng3 Nxd3 19. Qxd3 Rad8 20. Qb5 Qe6 21. Rfe1 Rd5 22. Qb3 Qc6 {( -> ...Rd2!)} 23. f3 Rd3 $40 {[%mdl 128] Black is out for blood.} 24. Bd4 Rc8 25. Bxg7 Kxg7 26. Ne4 Qc4 27. Qa3 Bxe4 28. Rxe4 Qc5+ 29. Qxc5 Rxc5 $17 {[%mdl 4096] Endgame KRR-KRR} (29... bxc5 30. Rc2 $11) 30. Re7 a5 (30... Rcxc3 $6 31. Rxc3 Rxc3 32. Rxa7 $11) 31. Rb7 Rd2 32. h4 Re5 {Hoping for ...Ree2.} 33. Rxb6 $2 (33. Kh2 $17) 33... Ree2 $19 ({But not} 33... Rxa2 34. Kh2 $19) 34. Kh2 Rxg2+ 35. Kh3 Rh2+ ({Don't do} 35... Rxa2 36. Ra1 $19) 36. Kg3 Rdg2+ ({Much less strong is} 36... Rxa2 37. c4 $19) 37. Kf4 Rxh4+ 38. Ke3 Rxa2 39. Rc6 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 40. Rd1 Rhh2 41. Rd7 (41. Rc7 {was called for.} Rae2+ 42. Kf4) 41... Rae2+ 42. Kf4 Rh5 43. Rd3 Ra5 44. c4 a3 45. Rd5 Ra4 46. Rd7 a2 47. Rcc7 {[#]} Rxc4+ $1 {[%mdl 512] Precision: White = 35%, Black = 82%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Sjugirov, Sanan"]
[Black "Schekachikhin, Maksim"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2650"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,0,0,0,0,0,0,0,0,10,0,8,12,20,0,29,11,55,52,50,41,79,77,82,71,99,95,103,96,118,93,145,146,121,132,160,154,355,330,455,475,941,925,869,804,1611,1414,2122,1778,29989,29987,29995,29991]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Rc1 {D43: Semi-Slav: 5 Bg5 h6} (8. Be2 Bg7 9. e4 O-O 10. e5 Qe7 11. O-O Nd7 12. Re1 Rd8 13. Qc2 dxc4 14. Bxc4 b5 15. Be2 Bb7 {1-0 (68) Inarkiev,E (2702)-Gelfand,B (2729) Nazran 2017}) 8... Nd7 9. cxd5 exd5 10. Bd3 {LiveBook: 14 Games. The position is equal.} Qe7 11. Qc2 Nf6 $146 ({Predecessor:} 11... Nb6 12. Ne5 Bg7 13. f4 O-O 14. O-O Nd7 15. Rce1 Nf6 16. a3 {½-½ (44) Slugin,S (2440)-Maletin,P (2621) St Petersburg 2010}) 12. Ne5 Bg7 13. O-O O-O 14. f4 Ng4 15. Rce1 Nxe5 16. fxe5 Be6 17. Ne2 Rac8 18. Nf4 c5 19. Qf2 cxd4 20. exd4 Rc6 21. a3 Qc7 22. Kh1 Qb6 23. h3 h5 24. Bb1 {[%cal Bd3b1,Bb1a2,Ba2d5,Bd5e4,Be4h7,Bh7g6][%mdl 32]} Bh6 (24... Qd8 $142) 25. Nxe6 $16 Rxe6 26. Ba2 Qb5 27. Qf3 Qxb2 $2 {[#]} (27... Re7 $16 {might work better.} 28. Bxd5 (28. Qxd5 Qxd5 29. Bxd5 Rd8 $14) 28... Qb6) 28. Bxd5 $18 Re7 29. Qf6 $1 {[%csl LRe7,LRg6]} Qxa3 (29... Qxd4 $142 30. Qd6 (30. Qxe7 Qxd5 31. Rd1 Qc6 $18) 30... Qd2) 30. Qxg6+ Bg7 31. Qxh5 Qb4 32. Be4 {[%csl Ge4][%cal Rh5h7] [#]} Rd8 33. e6 {Bh7+ would kill now.} Rxd4 34. Bh7+ Kh8 35. Bg6+ {Precision: White = 83%, Black = 25%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Sethuraman, S P"]
[Black "Abdusattorov, Nodirbek"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2632"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,176,21,30,20,15,18,22,14,14,24,22,24,35,8,18,10,42,41,32,34,56,29,39,37,75,72,74,67,68,8,10,0,35,0,20,18,14,21,26,-22,-10,-15,-10,-10,-10,-10,-13,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,-18,82,69,72,70,82,124,213,204,208,192,191,96,90,14,16,22,16,0,0,0,14,0,0,0,14,-128,-135,-297,-285,-263,-194,-206,-206,-203,-202,-203,-203,-195,-203,-193,-177,-182,-75,-79,-70,-88,-73,-98,-97,-93,-89,-95,-108,-103,-56,-50,-46,-45,-52,-97,-104,-110,-87,-211,-218,-393,-268,-400,-447,-536,-484,-504,-219,-745,-681,-464,-454,-1670,-1588,-1476,-1321,-1184,-1002,-2813,-2813,-2737,-2507,-2788,-2752,-2814,-2254,-1762,-1279,-29955,-29954,-12822,-5806,-29982,-29983]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves} Be6 9. Bxe6 fxe6 {LiveBook: 15 Games} 10. Be3 {White has an edge.} O-O 11. Nbd2 Ng4 12. c4 Nxe3 13. fxe3 {[#]} Qb8 $146 ({Predecessor:} 13... Qd7 14. b4 Rfb8 15. Qc2 Nd8 {1-0 (42) Leko,P (2737)-Eljanov,P (2707) Kiev 2013}) 14. Qb3 Rf6 15. Rac1 {Black should prevent cxb5.} Qb6 16. Rfe1 Nd8 17. c5 dxc5 18. Nxe5 Qd6 19. Nef3 (19. Ndf3 {seems wilder.} Nf7 20. d4 c4 21. Qc2 Rh6 22. Nxf7 Kxf7 23. b3) 19... Rf8 20. Qc2 Nb7 {[%cal Bd8b7,Bb7a5,Ba5b3][%mdl 32]} 21. e5 $1 {[%cal Re5d6]} Qd5 22. Ne4 Rad8 23. Rcd1 (23. Red1 $14) 23... Na5 $1 $11 24. Nc3 Qd7 25. Qf2 Qe8 26. Qg3 Qh5 27. Ne4 Nb3 28. Qf2 (28. h4 {keeps more tension.} a5 29. Rf1 a4 30. Qh3 Qg6 31. Nfg5) 28... Qg6 29. Qg3 Qxg3 30. hxg3 Rd5 31. Nc3 Rd7 32. Kf2 c6 33. Ke2 Rfd8 34. Ne4 Rd5 35. g4 h6 36. Rh1 a5 37. Nc3 R5d7 38. Ne4 Rd5 $1 39. a4 Rb8 (39... bxa4 $11 {keeps the balance.} 40. Nc3 R5d7) 40. g5 hxg5 41. Rh5 ({Much worse is} 41. Nfxg5 Bxg5 42. Nxg5 Rxe5 $11) 41... Kf7 42. g4 ({Much weaker is} 42. Nexg5+ $6 Bxg5 43. Rxg5 c4 $11) 42... Rf8 (42... Kg6 $16 {might work better.}) 43. Nfxg5+ $18 Bxg5 44. Rxg5 ({Don't do} 44. Nxg5+ $6 Ke7 $14) 44... Kg8 45. Rh1 (45. Rh5 $18) 45... c4 $16 46. dxc4 (46. d4 $16 {Hoping for Nd6.} b4 47. Rh6) 46... bxc4 $11 47. Rgh5 Kf7 48. Rg5 Kg8 49. Rgh5 Kf7 50. Nd6+ Kg6 {...Rd2+ is the strong threat.} 51. Ne4 Kf7 52. g5 (52. Rf1+ $11 Ke7 53. Rxf8 Kxf8 54. Rh8+ Ke7 55. Rg8) 52... Kg6 $17 53. Rh8 $2 {[#]} (53. R5h4 $17) 53... Nc1+ $1 $19 {[%mdl 512]} 54. Ke1 (54. Rxc1 Rxh8) 54... Nd3+ 55. Ke2 Rxh8 56. Rxh8 Rxe5 {[%mdl 4096] Endgame KRN-KRN} 57. Kf3 Nxb2 58. Rc8 Nxa4 59. Rxc6 Nb2 60. Nc5 Kf7 (60... a4 $19 61. Nxe6 Kf7) 61. Rc7+ $17 {[#]} Ke8 $1 62. Ne4 g6 63. Rb7 Nd3 64. Nd6+ Kf8 65. Nxc4 Rxg5 66. Ke2 Rd5 67. Ra7 Nc1+ 68. Kf3 Nb3 69. e4 {[#]} Rc5 $1 {[%cal Rc5c4]} 70. Nb6 Rb5 71. Nd7+ (71. Nc4 $17) 71... Ke7 $19 72. e5 $2 (72. Ne5+ Kf6 73. Nd7+ Kg5 74. Ra6) 72... Nd4+ 73. Kf4 (73. Ke4 $142 Nc6 74. Rc7 Rb4+ 75. Ke3 Nxe5 76. Nxe5+ Kd6 77. Ra7 Kxe5 78. Rxa5+ Kf6 79. Ra8) 73... Nc6 74. Rc7 {Black must now prevent Nc5+.} Kd8 75. Rxc6 {Threatens to win with Nc5.} Kxd7 {KR-KR} 76. Rd6+ $2 (76. Ra6) 76... Ke7 77. Ra6 {[#]} g5+ $1 78. Kxg5 (78. Ke4 $142 Kf7 79. Ra7+ Kg6 80. Ra6 Rb4+ 81. Kd3) 78... Rxe5+ 79. Kf4 Rb5 80. Ke4 Kf6 81. Ra8 Rb4+ 82. Ke3 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 83. Ra5 Rh4 84. Kf2 e5 85. Ra8 Kf5 86. Ke3 Rh3+ 87. Kd2 a3 88. Ra4 {[#]} a2 $1 {Precision: White = 42%, Black = 71%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Alekseenko, Kirill"]
[Black "Zakhartsov, Vladimir"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2563"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 37,179,0,8,2,9,-33,0,0,0,-50,-47,-54,53,47,55,50,58,46,183,150,166,153,214,169,170,164,370,352,423,327,358,345,335,337,589,589,585,566,502,185,146,87,87,87,87,73,78,72,81,78,87,87,87,87,87,70,70,72,77,62,61,53,56,53,252,75,74,74,71,58,64,65,108,110,139,76,112,99,135,85,84,84,81,84,81,72,144,76,144,74,74,74,74,74,107,104,143,129,141,102,120,128,146,144,163,104,135,128,120,0,128,128,128,129,128,128,137,131,203,120,182,181,204,204,456,460,616,290,717,392,392,392,392,392,392,392,6804,5888,29986,29987,29987,29988,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. a4 Bf8 14. Bd3 c6 15. b3 Qc7 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 16. Qc2 g6 17. Bb2 Bg7 18. Rad1 (18. b4 Nh5 19. Bf1 Nf4 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. c4 Bxb2 23. Qxb2 bxa4 24. c5 {1-0 (50) Smirin,I (2676)-Efimenko,Z (2655) Warsaw 2016}) 18... Rac8 19. b4 Nb6 {LiveBook: 4 Games} 20. a5 Na4 21. Ba1 c5 22. bxc5 dxc5 23. dxe5 Nd7 24. c4 Qxa5 $146 (24... Bc6 $1 $15) 25. Qb3 $1 $36 {[%cal Rc4b5][%mdl 2048] White is pushing.} Bc6 {[%cal Rd7e5]} 26. cxb5 $1 axb5 {[%cal Rd7e5]} 27. Ng5 $1 c4 {[#]} (27... Nxe5 $14 28. Bxe5 c4 29. Bxc4 bxc4 30. Nxc4 Qb5 31. Qxb5 Bxb5 32. Bxg7 Rxc4) 28. Nxc4 $1 $18 {[%mdl 512]} bxc4 29. Bxc4 Nac5 (29... Re7 $16 {was worth a try.}) 30. Bxf7+ Kh8 31. Qg3 $1 {[%cal Rg3h4] Black must now prevent Qh4.} Rxe5 $2 {[#]} (31... Nf8 32. Bd5 (32. Bxe8 Bxe8 33. f4 h6 $16) 32... Rc7) 32. Bxg6 $1 {[%mdl 512]} hxg6 33. Nf7+ Kg8 34. Nxe5 Nxe5 35. Bxe5 Nxe4 $2 (35... Ne6) 36. Qb3+ Kh7 37. Bxg7 Kxg7 {[#]} 38. Rc1 $2 (38. Rxe4 $1 {[%mdl 512] Threatening mate with Re7+.} Bxe4 39. Rd7+ Kh6 40. Qe3+ Qg5 41. Rh7+ $1 {[%mdl 512]} Kxh7 42. Qxg5) 38... Re8 39. Qb2+ (39. Red1 $142 $1 Qb5 40. Qe3) 39... Nf6 $16 40. Red1 Re6 41. Rc3 Qe5 42. Qc1 Qe4 {[%csl Gc6][%cal Re4g2]} 43. f3 Qa4 44. Kh1 Qa8 45. Ra3 Qb8 46. Qc4 Bd5 47. Qd4 Qg3 48. Ra7+ Kh6 {( -> ...Re2)} 49. Qd2+ g5 50. Qc3 {Hoping for Rf7.} Qb8 $2 (50... Kg6 $14) 51. Rc7 $2 (51. Rf7 $18 {and the rest is easy.} Qd6 52. Rxf6+ $1 {[%mdl 512]} Rxf6 53. Rxd5 $1 {[%mdl 512]} Qxd5 54. Qxf6+ Kh7 55. h4 Qd1+ 56. Kh2 gxh4 57. Qxh4+ Kg8 58. Qf6) 51... Qb3 52. Qxb3 Bxb3 53. Rd8 Kg6 54. Kh2 Re2 {[#]} 55. Rc6 $1 Re6 {[#]} 56. Rc5 (56. Rxe6 $142 $1 Bxe6 57. g4) 56... Re2 57. Rd6 Re6 58. Rd3 Rb6 59. Re3 Bf7 60. Ree5 Nh7 61. Ra5 Re6 (61... Bc4 $142 62. Rec5 Bf1) 62. Rec5 (62. Rxe6+ $142 Bxe6 63. g4) 62... Re2 (62... Rf6 $142 63. Re5 Rc6) 63. Kg1 (63. Rc6+ $142 Re6 64. Rc7) 63... Re6 64. Kf2 Rb6 65. g4 Rf6 66. Kg3 Be8 67. Rc3 Nf8 68. Ra8 Bd7 69. Rc7 Be6 70. Rc6 Nh7 71. Rc5 ({Better is} 71. Raa6 $18 Nf8 72. Rcb6) 71... Bb3 72. Ra3 Bf7 73. Raa5 (73. h4 $16) 73... Bb3 (73... Be8 $1 $11 {keeps the balance.}) 74. Rc3 Bf7 75. h4 gxh4+ 76. Kxh4 Nf8 77. Kg3 Ne6 (77... Rb6 $16 78. f4 Kg7 79. Rg5+ Kh6) 78. Ra4 ({White should try} 78. Rc6 $18) 78... Be8 (78... Nd8 $16 {keeps fighting.} 79. f4 Rb6) 79. Rb4 $18 Bd7 80. f4 {[%cal Bf3f4,Bf4f5][%mdl 32] Threatens to win with f5+.} Ng7 $2 (80... Nf8 81. Rb8 Rf7 82. Rb6+ Kg7) 81. Rc7 Be6 82. Re4 (82. Rbb7 $142 Ne8 83. Re7) 82... Ba2 $2 (82... Rf7 83. Rc6 Kh7 84. Rexe6 Nxe6 85. Rxe6 Kg7) 83. Re5 Rf7 84. Rc6+ Kh7 85. f5 Rf8 86. Kh4 Bb1 $2 (86... Kg8 87. f6 Ne6 88. Rexe6 Bxe6 89. Rxe6 Kf7) 87. Kg5 Ne8 88. Re7+ {White mates.} Kh8 89. Rh6+ Kg8 90. Rg6+ {Precision: White = 61%, Black = 27%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Alekseenko, Kirill"]
[Black "Zakhartsov, Vladimir"]
[Result "*"]
[ECO "C95"]
[WhiteElo "2563"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,36,31,16,22]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. a4 Bf8 14. Bd3 c6 15. b3 Qc7 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 16. Qc2 g6 17. Bb2 Bg7 18. Rad1 {LiveBook: 5 Games} Rac8 {[#]} {Predecessor:} 19. Qb1 $146 Rcd8 20. Qa1 Nh5 21. Bf1 Nf4 22. c4 b4 23. c5 d5 24. Nxe5 Nxe5 25. dxe5 Bxe5 26. Bxe5 Rxe5 {1-0 (38) Nisipeanu,L (2659)-Sanikidze,T (2524) Konya 2011} *

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Paravyan, David"]
[Black "Li, Yankai"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2548"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,55,4,0,0,0,29,0,0,0,0,0,22,19,23,27,35,-12,-27,-29,-38,-37,-33,-190,0,-37,0,-189,0,-33]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3 d6 9. a3 Bg4 10. Be3 Nd4 {C84: Closed Ruy Lopez: Unusual White 6th moves} 11. Bxd4 exd4 12. Nd5 Nd7 (12... Nxd5 13. Bxd5 Rc8 14. Bc6 Bf6 15. a4 Bd7 16. Bxd7 Qxd7 17. Qd2 Qc6 18. b3 {1-0 (64) Vachier Lagrave,M (2804)-Aronian,L (2799) Tbilisi 2017}) 13. h3 Bxf3 14. Qxf3 c6 15. Nxe7+ {LiveBook: 14 Games} Qxe7 16. Qg3 a5 17. a4 $146 ({Predecessor:} 17. f4 c5 18. a4 bxa4 19. Bxa4 {1-0 (48) Daulyte,D (2405)-Brorsen,J (2179) Helsingor 2014}) 17... Nc5 18. axb5 Nxb3 19. cxb3 c5 20. b4 cxb4 21. Rfc1 {Strongly threatening b6.} Rfb8 22. b6 Qd8 $1 23. Rc7 {Qf3 is the strong threat.} Rxb6 24. Rac1 Rbb8 25. R7c6 $2 {[#]} (25. Qf4 $15 Qf8 26. Rd7) 25... Rb6 $2 ({Better is} 25... a4 $1 $19 26. Rxd6 Qf8 27. Rxd4 a3) 26. Rc7 $15 Rbb8 $2 (26... Qf8 $15) 27. R7c6 $1 $19 {[#]} Rb6 $2 (27... a4 $1 $19 {aiming for ...a3.} 28. Rxd6 Qe8 29. Rxd4 a3) 28. Rc7 {Precision: White = 58%, Black = 44%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Vakhidov, Jakhongir"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2498"]
[BlackElo "2696"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,154,42,49,55,64,75,72,86,71,66,21,58,25,38,13,13,17,75,75,75,75,75,75,75,75,84,84,82,75,83,0,75,53,66,53,53,53,83,48,47,63,47,14,14,14,32,14,14,0,14,0,20,18,18,15,26,8,14,14,14,14,55,22,22,0,22,0,29,29,29,29,56,0,29,0,0,0,0,0,0,0,0,-5,8,20,66,0,19,19,54,70,102,106,91,98,745,745,741,66,66,59,51,47,1710,1305,1189,1008,757,0,383,0,0,0,0,0,0,-8,-27,-428,-424,-359,-97,-110,-41,-51,-32,-30,0,-5081,-2023,-29984,-29985,-29985,-29986,-29985,-29986]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Na5 11. c4 {LiveBook: 8 Partien} Bg4 {D85: Grünfeldindisch (Abtauschvariante, 7.Sf3 bzw nicht 7.Lc4)} (11... e6 12. O-O exd5 13. cxd5 b6 14. Bb2 Bxb2 15. Rxb2 Re8 16. e5 Bb7 17. Rd2 c4 18. Re1 Rc8 19. Rd4 {0-1 (64) Emeliantsev,A (2361)-Belous,V (2584) Vladivostok 2014}) 12. Qc2 Bxf3 $146 ({Vorgänger:} 12... Qc7 13. O-O b6 14. Bb2 e5 15. dxe6 Bxe6 16. Bxg7 Kxg7 17. Qc3+ Kg8 18. Ne5 Rae8 19. Rbe1 {½-½ (56) Chatterjee,D (2307)-Ahmed,J (2155) Dhaka 2012}) 13. Bxf3 Bd4 {Weiß steht besser.} 14. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} e6 15. h5 Re8 16. O-O Qh4 17. Bb2 (17. Bd2 {is more complex.} b6 18. Qc1 exd5 19. Bg5 Qg3 20. cxd5 Qd6 21. Re1) 17... Bxb2 $1 18. Rxb2 e5 (18... Qf6 $11) 19. g3 $16 Qf6 20. Kg2 b6 21. Rh1 Nb7 22. Rbb1 Nd6 23. a4 Rab8 24. Rh4 Kf8 25. Rhh1 (25. hxg6 $16 hxg6 26. Rh7) 25... Rb7 (25... Kg8 $11) 26. a5 (26. Be2 {seems wilder.} Kg7 27. Ra1 Reb8 28. Bg4 h6 29. Qe2) 26... Reb8 27. axb6 Rxb6 28. Rxb6 Rxb6 29. hxg6 hxg6 30. Ra1 a6 31. Qc3 Kg7 32. Ra4 Nb7 33. Bg4 {Schwarz muss nun f4 beachten.} Nd6 34. Bf3 g5 35. Qe3 Rb2 36. Be2 Nb7 37. Ra1 a5 38. Bd3 Rb4 39. Qe2 Rb3 40. Qc2 Qb6 41. Qd2 Qf6 42. Qc2 Rb4 43. Qe2 Kf8 44. Ra3 Ke7 45. Bc2 Rb2 46. Qd2 g4 47. Qc1 Rb4 48. Bd1 Qg6 49. Re3 Nd6 50. Be2 a4 51. Qd1 Qh6 52. Bxg4 Rxc4 53. Qb1 ({Lieber} 53. Be2 $14 Rb4 54. Qc2) 53... Rb4 54. Qc2 Rc4 55. Qb2 Qg5 {[#]} 56. Bf5 $1 {[%mdl 512]} Qf6 (56... Nxf5 57. Qxe5+) 57. Qb8 Nxf5 $4 {[%mdl 8192]} (57... Rb4 $16 58. Qa7+ Kf8) 58. exf5 {[%mdl 4096] Endspiel KDT-KDT} e4 59. Qb5 $2 ({Günstiger ist} 59. Qc7+ $18 Kf8 60. g4) 59... Qd4 $14 60. Qc6 Qe5 61. g4 Qf4 $2 {[%mdl 8192]} (61... Qd6 $14) 62. Qb7+ Kf8 63. Qa8+ Ke7 64. Qa6 $2 (64. Qa7+ $18 Kf8 65. Rh3) 64... Rd4 $2 {[%mdl 8192] [#]} (64... Rc2 $1 $11 65. f6+ Kd8 66. Qa8+ Kc7 67. d6+ Kb6 68. Qd8+ Kc6 69. Qa8+ Kb5 70. Qb7+ Ka5 71. Qa8+ Kb6 72. Qd8+ Kc6 73. Qa8+ Kb5 74. Qb7+ Ka5 75. Qc7+ Ka6 76. Qc6+ Ka5 77. Qc7+ Ka6 78. Qc6+ Ka5 79. Qa8+ Kb6) 65. Qa7+ $2 (65. f6+ $1 $18 {[%mdl 512]} Qxf6 66. Qb7+ Kf8 67. Qc8+ Kg7 68. g5) 65... Kf6 $1 $11 66. Qxc5 Rd3 $36 {[%mdl 2048] Schwarz drückt.} 67. Qb6+ Kg7 {Droht stark ...a3.} (67... Kg5 $5 68. Qd8+ $8 Kxg4 69. Qg8+ Qg5 70. Rxe4+ Kxf5+ 71. Qxg5+ Kxg5 $11) 68. Qb2+ Kg8 {Droht ...a3 und aus.} 69. Rg3 $2 {[%mdl 8192]} ({Nicht} 69. Qe2 $2 Rxe3 70. fxe3 {[#]} Qf3+ $1 {[%mdl 512]} 71. Qxf3 exf3+ 72. Kxf3 a3 $19) (69. d6 $1 $11 {und Weiss steht sicher.}) 69... a3 $1 $19 {[%cal Ra3b2]} 70. Qc2 Rxg3+ $2 (70... Kg7 $19 {ist viel giftiger. zielt auf ...Txg3+ ab.} 71. d6 Qxd6) 71. fxg3 $17 Qxg4 $19 {KD-KD} ({Besser ist} 71... Qf3+ $17 72. Kh2 Qd3 73. Qc8+ Kg7) 72. d6 $1 $15 {[%cal Rd6d7] Und d7 würde nun gewinnen.} Qf3+ (72... Qxf5 $2 73. Qa4 $19) 73. Kh2 Qxf5 74. Qc7 $2 {[%mdl 8192]} (74. Qd1 $11 Qf2+ 75. Kh3 Qf5+ 76. g4) 74... a2 (74... Qh5+ $142 75. Kg2 Qe2+ 76. Kh3 a2 77. Qc8+ Kg7 78. Qc3+ Kg6) 75. d7 Qh5+ {Schwarz setzt Matt.} 76. Kg2 a1=Q 77. d8=Q+ Kg7 {Precision: Weiß = 35%, Schwarz = 33%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Lugovskoy, Maxim"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2474"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "255"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,255,13,18,10,22,0,7,0,0,-7,-7,-9,-9,-16,-16,-21,-21,-34,-32,-69,-67,-72,-72,-70,-65,-65,-65,-65,-65,-65,-65,-65,-65,-65,-54,-75,-75,-76,-77,-77,-77,-79,-76,-84,-84,-84,-84,-84,-84,-77,-73,-73,-77,-84,-84,-85,-85,-85,-81,-77,0,-85,-88,-78,-69,-69,-59,-59,-59,-60,-59,-60,-52,-52,-53,-53,-22,-22,0,-60,-60,-60,-60,-60,-58,-58,0,-58,-58,-60,-60,-60,-60,-62,-63,-63,-37,-63,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-57,-57,-72,-30,-30,0,-80,0,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,0,-30,-30,-51,-30,-30,-30,-30,0,-30,0,-31,0,-57,-57,-76,-64,-48,-48,-70,-70,-99,-91,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,0,-110,0,-110,-110,-110,-110,-110,-83,-83,-83,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,-89,0,-96,-96,-96]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O a6 7. a4 Nc6 8. Be3 {B08: Pirc-Ufimzew-Verteidigung} e5 9. dxe5 dxe5 {LiveBook: 4 Partien} 10. Qxd8 {Die Stellung ist ausgeglichen.} Rxd8 11. Rfd1 Bg4 12. Rxd8+ Rxd8 13. Rd1 Rxd1+ 14. Bxd1 Nb4 15. Bc5 $146 ({Vorgänger:} 15. Kf1 Bxf3 16. gxf3 {½-½ (39) Vazquez,G (2374)-Mista,A (2616) Doha 2014}) 15... Bxf3 16. gxf3 Bf8 17. Bxb4 Bxb4 18. Nd5 Nxd5 19. exd5 $15 {[%mdl 4096] Endspiel KL-KL} Bd2 20. Kf1 Bc1 21. b3 Kf8 22. Ke2 Ba3 23. c3 a5 24. Bc2 Ke7 25. Bd3 Kd6 26. h3 f5 27. Bc4 Ke7 28. Bb5 Kf6 29. Bd7 Kg5 30. Kf1 Kf4 31. Ke2 Bb2 32. c4 Ba3 33. Bc8 b6 34. Be6 g5 35. Bd7 Be7 36. Be8 Bc5 37. Bf7 Bd4 38. Be8 Bc5 39. Bf7 $1 e4 40. fxe4 fxe4 41. Bh5 Ke5 42. f3 e3 43. Kd3 Kf4 44. Bg4 Kg3 45. Ke2 Kg2 46. Ke1 Bb4+ 47. Ke2 Bc5 48. Ke1 $1 h6 49. Ke2 Kg3 50. Ke1 Kh4 51. Be6 Kg3 52. Bg4 $1 Kf4 53. Ke2 Bb4 54. Bh5 Bd2 55. Bg4 Ke5 56. Kd3 Bc1 57. Bh5 Kd6 58. Bg6 Kc5 59. Be8 Kb4 60. Bf7 Bd2 (60... Kxb3 61. c5 $1 $18 {[%mdl 512]}) 61. Bg8 h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} (61... Kxb3 $2 62. c5 $1 $18 {[%mdl 512]}) 62. Bf7 h4 63. Bg8 Ka3 (63... Kxb3 64. c5 $1 $18 {[%mdl 512]}) 64. Bf7 Bc1 (64... Kxb3 65. c5 $1 $16 {[%mdl 512]}) 65. Be6 Bd2 66. Bf7 $1 Kb4 (66... Kxb3 67. c5 $1 $18 {[%mdl 512]}) (66... Bb4 $17 67. Kxe3 Kxb3) 67. Be6 Kc5 68. Bg4 Kd6 69. Bc8 Ke5 70. Bd7 Kf4 71. Ke2 Bb4 72. Bg4 Bf8 73. Kd3 Bc5 74. Ke2 Ke5 75. Kd3 $1 Bd4 76. Bh5 Kf4 {Und ...Kg3 würde nun gewinnen.} 77. Bg4 Bc5 78. Ke2 Bb4 79. Kd3 Bd2 (79... Be1 {keeps more tension.} 80. Ke2 Bf2 81. Bd7 Ke5 82. Kd3 Kd6) 80. Ke2 Ke5 81. Kd3 $1 Kd6 82. Bc8 Kc5 83. Be6 Kb4 84. Bf7 ({Besser ist} 84. Bg8 $1 $11) 84... Ka3 (84... Kxb3 $2 85. c5 $1 $18 {[%mdl 512]}) 85. Be6 Kb2 (85... Kxb3 86. c5 $1 $18 {[%mdl 512]}) 86. Bf7 Kc1 {...Kd1 ist eine echte Drohung.} (86... Kxb3 87. c5 $1 $18 {[%mdl 512]}) 87. Ke2 Kc2 88. Be6 Kc3 (88... Kxb3 {[#]} 89. c5 $1 $18 {[%mdl 512]}) 89. Bf7 Kd4 90. Be6 Bb4 91. Bd7 Bc5 92. Be8 Kc3 93. Bb5 Kxb3 94. Kd3 Kb2 95. Ba6 Kc1 96. Ke2 Kc2 97. Bb5 Kc3 98. Ba6 Kd4 99. Bb5 Bd6 100. Ba6 Bf4 101. Bb5 Bd6 102. Ba6 $1 Bc5 103. Bb5 Ke5 104. Bd7 Kf4 105. Bg4 {[#]} b5 $1 {[%mdl 512]} 106. cxb5 (106. axb5 a4) 106... Ke5 107. Be6 Kd4 108. Kd1 Kc3 109. Bf5 Kc4 110. Be4 Bb6 111. Bc2 Kxd5 112. Ke2 Kd4 113. Bd1 Kc3 114. Ke1 Bc5 115. Be2 Bb4 {Droht ...Kb3+ und aus.} 116. Kf1 Kc2 117. Bc4 Kd2 118. Be2 Kc3 119. Bd1 Kd4 (119... Kc4 {with more complications.} 120. Ke2 Bc5 121. Bc2 Kc3 122. Bd1 Kd4) 120. Be2 Bd6 121. Bd1 Ke5 122. Be2 Kf4 {zielt auf ...Kg3 ab.} 123. Kg2 Bc5 124. Kh2 Ke5 125. Kg2 Kd4 126. Kf1 Kc3 ({Günstiger ist} 126... Bb4 $17 127. b6 cxb6) 127. Bd1 (127. Ke1 $11 {bleibt in der Remisbreite.}) 127... Bd6 128. Be2 {Precision: Weiß = 75%, Schwarz = 79%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Lugovskoy, Maxim"]
[Black "Gordievsky, Dmitry"]
[Result "*"]
[ECO "B08"]
[WhiteElo "2474"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,20,14,17,22,22]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O a6 7. a4 Nc6 8. Be3 {B08: Pirc Defence: Classical System} (8. h3 e5 9. d5 Ne7 10. a5 Nh5 11. Re1 h6 12. Bf1 Nf4 13. Ra3 g5 14. Ne2 Neg6 15. Ng3 Ne7 16. c4 f5 {1-0 (54) Matlakov,M (2694)-Mamedov,R (2688) Tallinn 2016}) 8... e5 9. dxe5 dxe5 {LiveBook: 4 Games} 10. Qxd8 Rxd8 {Predecessor:} 11. Bc4 $146 h6 12. h3 Be6 13. Bxe6 fxe6 14. Rfd1 Ne8 15. Ne1 Nd4 {½-½ (30) Fang,Y (2448)-Mihok,O (2506) Kecskemet 2016} *

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Kezin, Roman"]
[Black "Vorobiov, Evgeny E"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2455"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,44,42,37,36,42,45,36,39,43,55,60,53,52,113,96,122,80,67,45,37,34,35,37,23,30,32,-13,-19,-7,0,-53,-39,-29,0,-97,-84,-108,-102,-229,-214,-225,-206,-237,-239,-214,-164,-256,-249,-269,-269,-276,-272,-260,-254,-301,-278,-278,-239,-274,-280,-250,-235,-247,-230,-277,-293,-300,-286,-326,-327,-325,-314,-343,-345,-416,-343,-512,-512,-606,-602,-933,-929,-852,-345,-830,-808]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 c6 (5... Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Qb1 b6 9. Nh3 Bh6 10. Bg5 Bxg5 11. Nxg5 Qd5 12. Nxe6 Qxe6 13. Qb4 Qd5 14. Qxc4 Qxc4 15. Bxc4 e6 {1-0 (67) Nakamura,H (2785)-Giri,A (2771) Stavanger 2017}) 6. e3 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} Bg7 7. Nf3 Qa5 8. Qb3 dxc4 9. Bxc4 Nd6 $1 {LiveBook: 4 Games} 10. O-O Nxc4 11. Qxc4 Be6 12. Qe2 Na6 $146 ({Predecessor:} 12... h6 13. e4 g5 14. Bg3 {½-½ (27) Moiseenko,A (2559)-Eljanov,P (2540) Kharkov 2002}) 13. Rfd1 Rd8 14. e4 Bg4 15. d5 $1 Bxc3 ({Better is} 15... Nb8 $14) 16. bxc3 $16 Qc5 17. dxc6 Rxd1+ 18. Rxd1 Qxc6 19. Qd2 {[%csl Gd1][%cal Rd2d8]} Qd7 20. Qc1 Qc7 21. Qh6 Nc5 22. Qg7 {[%cal Rg7h8]} Rf8 23. Bg3 $132 {[%mdl 2048] White is not keeping still} Qc8 24. h3 (24. Qxh7 $11 Bxf3 25. gxf3) 24... Bxf3 $15 25. gxf3 Qxh3 26. Qe5 (26. Rd8+ $11 {keeps the balance.} Kxd8 27. Qxf8+ Kd7 28. Qb8 (28. Qxf7 Ne6 $11)) 26... Qc8 $17 27. Rd5 Ne6 28. Ra5 {[#]} (28. Rb5 $17) 28... a6 $1 $19 29. Qd5 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} ({Resist} 29... Qxc3 30. Ra4 $17) 30. f4 {[#]} f5 $1 ({Don't take} 30... Qxc3 31. f5 $17) 31. Ra4 Qd7 32. Rc4 (32. Rb4 $142 b5 33. Qe5) 32... fxe4 33. Qxe4 Rf5 {Hoping for ...Qd1+.} 34. Qe2 Kf7 35. Re4 Rd5 36. Bh4 Rh5 37. Bg3 Rb5 38. Kg2 Qc6 39. Kg1 Qd5 40. c4 Rb1+ 41. Kh2 Qd1 42. Qxd1 Rxd1 {[%mdl 4096] Endgame KRB-KRN} 43. Re5 Ng7 44. Rc5 Rd7 45. Kg2 Nf5 46. Kf3 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 47. Rc8 (47. Ke2 {was necessary.}) 47... Rd3+ 48. Kg2 h4 49. Bh2 h3+ 50. Kf1 Rd1+ 51. Ke2 Rh1 {Precision: White = 50%, Black = 88%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Kezin, Roman"]
[Black "Vorobiov, Evgeny E."]
[Result "*"]
[WhiteElo "2455"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,15,47,48,56]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 c6 (5... Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Qb1 b6 9. Nh3 Bh6 10. Bg5 Bxg5 11. Nxg5 Qd5 12. Nxe6 Qxe6 13. Qb4 Qd5 14. Qxc4 Qxc4 15. Bxc4 e6 {1-0 (67) Nakamura,H (2785)-Giri,A (2771) Stavanger 2017}) 6. e3 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} Bg7 7. Nf3 Qa5 {LiveBook: 6 Games} 8. Qb3 {Predecessor:} dxc4 $146 9. Bxc4 Nd6 10. Be2 Be6 11. Qc2 Bg4 12. O-O Nd7 13. Bg3 O-O 14. h3 Bxf3 15. Bxf3 {½-½ (45) Raetsky,A (2459)-Epishin,V (2614) Geneve 2005} *

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Palchun, Grigory"]
[Black "Moiseenko, Vadim"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2441"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,68,10,27,28,22,28,37,36,43,32,55,53,45,43,45,-31,-36,-83,-92,-89,-108,-114,-119,-108,-124,-120,-127,-119,-137,-293,-292,-289,-276,-278,-252,-362,-349,-347,-345,-337,-285,-277,-278,-308,-300,-290,-232,-1908,-278,-416,-284,-281,-252,-264,-268]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Ngf3 e6 7. Be2 {D00: 1 d4 d5: Unusual lines} h6 8. O-O Be7 {LiveBook: 3 Games} 9. dxc5 {White has an edge.} Bxc5 10. Nd4 $146 ({Predecessor:} 10. c4 O-O 11. a3 Be7 12. cxd5 Nxd5 13. Bg3 Bh7 14. Nc4 Qd7 {0-1 (75) Rakhmanov,A (2667)-Alekseev,E (2632) Tallinn 2016}) 10... Bh7 11. Qa4 Qb6 12. Nb5 {Hoping for Bc7.} O-O 13. Bc7 Qa6 14. Qd1 {And now Nb3 would win.} b6 {[%cal Bb7b6,Bb6c5][%mdl 32]} 15. Nb3 (15. Bg3 $14) 15... Qb7 $1 $15 {Threatens to win with ...a6.} 16. Nxc5 bxc5 17. Bd6 a6 18. Bxf8 Rxf8 19. Na3 Qxb2 20. Qa4 Qxe2 21. Qxc6 Ne4 22. Rac1 $2 (22. c4 $17) 22... Qb2 $19 (22... Qxa2 23. Qxa6 c4 24. Rc2 $15) 23. Qxa6 Nxc3 24. Kh1 Ne4 25. Kg1 {[#]} (25. Rc2 $142 Ng3+ 26. hxg3 Bxc2 27. Nxc2 Qxc2 28. Qc6) 25... Nxf2 $1 {[%mdl 512]} 26. Qb5 (26. Rxf2 Qxc1+) 26... Qxa3 27. Kxf2 Bd3 ({Don't do} 27... Qxa2+ 28. Kg1 $19) 28. Qxc5 Qxa2+ 29. Kg3 Bxf1 30. Rxf1 Qc4 31. Qd6 $2 (31. Qxc4 dxc4 32. Kf3) 31... Qe4 $2 (31... Qxf1 32. h3 Qe1+ 33. Kh2 Qxe3) 32. Rf3 (32. Qf4 $142) 32... Re8 33. h3 Qb1 34. Kh2 Qb8 {Precision: White = 37%, Black = 70%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Bodnaruk, Anastasia"]
[Black "Volkov, Sergey"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2432"]
[BlackElo "2638"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,155,10,12,8,12,14,11,8,16,12,10,10,18,19,26,29,53,22,17,-57,48,39,40,38,41,30,30,22,19,33,28,27,78,27,32,27,48,63,112,92,857,839,828,418,425,400,423,392,375,371,1532,830,835,817,675,266,231,110,147,57,38,58,64,0,0,0,0,0,11,0,55,0,0,0,0,0,0,0,0,-85,-85,-258,-229,-355,-273,-352,-326,-268,-258,-258,-198,-254,-124,-672,-352,-679,-679,-686,-679,-679,-679,-679,-672,-672,-664,-679,-657,-657,-650,-650,-643,-650,-643,-643,-643,-625,-617,-635,-635,-610,-603,-562,-358,-1639,-358,-29945,-29948,-29951,-29954,-29955,-29949,-29963,-1110,-29961,-29970,-29972,-29971,-29995,-29994,-29996,-29984,-29999]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 7. Be3 Nc6 8. Qd2 O-O 9. Be2 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} b6 10. O-O Bb7 11. Nd1 {The position is equal.} cxd4 12. Nxd4 Nc5 13. Nc3 Rc8 14. Rad1 {[#]} a6 $146 ({Predecessor:} 14... Qd7 15. Nxc6 Bxc6 16. Bd4 Ne4 17. Nxe4 dxe4 {1-0 (48) Alekseev,E (2642)-Bluebaum,M (2588) Berlin 2015}) 15. a3 Qc7 16. Nxc6 Qxc6 17. Bf3 (17. Bd4 $11) 17... Na4 ({Better is} 17... Ne4 $15 18. Nxe4 dxe4) 18. Nxa4 $14 Qxa4 19. c3 Bc5 20. Bxc5 bxc5 21. f5 exf5 22. Bxd5 Bxd5 23. Qxd5 f4 (23... g6 $11 {remains equal.}) 24. b3 (24. e6 $16) 24... Qxa3 $11 25. Rxf4 c4 26. Rxc4 Rce8 27. Rc7 $36 {[%mdl 2048] And now Rf1 would win. Black is under strong pressure.} Rb8 $2 {[%mdl 8192]} (27... h6 $16) 28. e6 $18 h6 29. e7 Rfe8 30. b4 a5 31. Qxa5 Qb2 32. Qe5 Rb6 $2 (32... Ra8 33. Qe1 g6) 33. Rc8 Rxc8 34. Rd8+ Kh7 35. Qe4+ $2 (35. Rxc8 Qc1+ 36. Kf2 Qd2+ 37. Kf3 Qd3+ 38. Kg4 Qd1+ 39. Kf4 Qd2+ 40. Ke4 Qe1+ 41. Kd5 Qxe5+ 42. Kxe5 Re6+ 43. Kd5 Rxe7 44. b5) 35... g6 36. e8=Q (36. Rxc8 Qc1+ 37. Kf2 Rf6+ 38. Kg3 Qg5+ 39. Kh3 Qh5+ 40. Qh4 Qf5+ 41. Qg4 Qd3+ 42. g3 g5 $11) (36. h4 $1 $18 {is the precise move to win. White wants to mate with Qd4.} Qc1+ 37. Kh2) 36... Qc1+ 37. Qe1 (37. Kf2 $16 {[%cal Re8f7]} Qb2+ 38. Kg3 Qxc3+ 39. Qe3 Qc7+ 40. Qf4 Qxf4+ 41. Kxf4 Rc4+ 42. Ke5 (42. Kg3 Rc3+ 43. Kf2 Rf6+ 44. Ke1 Re6+ 45. Qxe6 fxe6 $16) 42... Re6+ 43. Qxe6 fxe6 44. Rb8 (44. Kxe6 Rxb4 45. Rd7+ Kg8 $11)) 37... Qxe1+ $14 38. Qxe1 Rxd8 {[%mdl 4096] Endgame KQ-KRR} 39. Qe7 (39. h3 $14) 39... Rd1+ $11 40. Kf2 Kg7 41. Ke2 Rdd6 {Strongly threatening ...Re6+.} 42. Qe5+ Kh7 (42... Kg8 $1 $11 43. Qc5 Re6+ 44. Kf3 Rbc6) 43. Qg3 (43. Qf4 $14 Rf6 44. Qc1) 43... Rd7 44. h4 h5 45. Qg5 Re6+ 46. Kf2 Rc6 47. Qe5 (47. g4 $1 $11 {keeps the balance.}) 47... Rdc7 $1 $17 48. b5 $2 (48. g4 $17 hxg4 49. h5) 48... Rc5 $19 49. Qd6 {[#]} (49. Qe2 $142 Rf5+ 50. Kg1 Rxc3 51. Qa2) 49... Rf5+ $1 50. Kg1 Rxc3 51. b6 {b7 is the strong threat.} Rb3 52. Qd4 Kg8 53. Kh2 {[#]} Rf1 (53... Rbb5 $1 $19 {is more deadly.} 54. Kg1 Rfd5) 54. Qd7 $2 {[%mdl 8192]} (54. Qd5 $17 Rb4 55. Qd6) 54... Rf4 55. Qd8+ $2 (55. Qe7) 55... Kg7 56. Qg5 Rf5 57. Qd8 Rf6 58. Qd4 Rbxb6 59. Qc3 Rbe6 60. Kh3 Kh7 61. Qd4 Rf5 62. Kg3 Re2 63. Kh3 Rff2 64. Qc4 Re3+ 65. Kh2 Ra3 66. Qd4 Raf3 67. Qd8 Rf4 68. Kh3 Rg4 69. Qd5 $2 (69. Qe7) 69... Rff4 $2 (69... Rf1 {[%cal Rf1h1]} 70. g3 Rb4) 70. g3 $2 (70. Kh2 $19) 70... Rf5 71. Qd3 Ra4 72. Qb3 Ra6 73. g4 hxg4+ 74. Kxg4 Raf6 {Black mates.} 75. Qb7 {[#]} Rf3 $1 76. Qe7 (76. Qxf3 Rxf3) 76... R6f4+ 77. Kg5 Ra4 {[%csl Gg6][%cal Rf3f5]} 78. Qc7 Rf5# {Precision: White = 24%, Black = 54%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Dai, Changren"]
[Black "Geller, Jakov"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2425"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,67,7,0,40,0,0,0,2,0,0,-1,14,14,14,14,14,14,14,14,14,14,13,14,19,22,22,20,22,22,22,15,25,14,14,16,24,14,14,14,14,0,5,0,20,0,7,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2 Be7 {B81: Sicilian Scheveningen: Keres Attack} 9. Be3 Nc6 10. f4 Nd7 11. O-O Nxd4 12. Qxd4 {LiveBook: 11 Games} e5 $146 ({Predecessor:} 12... O-O 13. Qd2 Rb8 14. Ne2 b5 15. Rad1 Qc7 16. f5 Nf6 17. Ng3 {1-0 (29) Anand,V (2804)-Vachier Lagrave,M (2723) Stavanger 2015}) 13. Qd2 exf4 14. Bxf4 Ne5 15. Rad1 Be6 16. Nd5 Bg5 17. Qb4 {With the idea Bxe5.} O-O 18. Bxg5 hxg5 19. Ne3 a5 20. Qxd6 Qxd6 21. Rxd6 Bxa2 22. Rb6 a4 23. Ra1 ({Much worse is} 23. Rxb7 Rfb8 $17) 23... Be6 24. Rxb7 Rab8 25. Rxb8 Rxb8 26. Rxa4 {Strongly threatening b3.} Rxb2 27. Bf1 Kf8 28. Kf2 Ke7 29. Be2 g6 {The position is equal.} 30. Ra5 Kd6 31. Ra6+ Kc5 32. Ra5+ Kd6 33. Ra6+ Kc5 34. Ra5+ {Precision: White = 56%, Black = 63%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Duzhakov, Ilya"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2423"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,70,37,35,50,30,28,37,45,39,50,4,3,9,24,8,35,35,26,36,25,9,10,7,0,-9,0,-4,-9,-29,-26,-22,-22,-28,-6,-145,-148,-480,-494,-657,-652,-769,-712,-710,-690,-1079,-1118,-1055,-1019,-29990,-29991,-29997,-29998]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 c5 7. Be2 h6 8. Bh4 cxd4 9. Nxd4 Nc6 10. O-O Bd7 11. Qd2 Rc8 {E61: King's Indian: Early deviations for White, including Smyslov System} 12. Rfd1 (12. Rac1 a6 13. Rfd1 Re8 14. b3 Nxd4 15. exd4 Kh7 16. Bf3 Bc6 17. Qd3 Qa5 18. a4 Qb6 19. Rb1 Bxf3 20. Qxf3 {1-0 (43) Gurevich,M (2634)-Markos,J (2557) Beijing 2008}) 12... Nxd4 13. exd4 g5 $146 {White is slightly better.} ({Predecessor:} 13... Be6 14. b3 d5 15. Bxf6 Bxf6 16. c5 Bg7 17. Bf3 Qd7 18. Rac1 Rfd8 19. h3 f6 20. b4 h5 21. Qe2 Bf7 22. Re1 Re8 23. Qc2 b6 24. Be2 Red8 25. Bb5 Qc7 26. Ba6 {1-0 (26) Inkiov,V (2459)-Verstraeten,R (2316) Charleroi 2017}) 14. Bg3 Bg4 15. Re1 Bxe2 16. Qxe2 Qb6 17. Rad1 Rfe8 18. b3 Qa5 19. Rc1 a6 20. h4 b5 21. hxg5 hxg5 22. d5 e6 {...exd5 is the strong threat.} (22... bxc4 {is more complex.} 23. bxc4 Qc5 24. Ne4 Nxe4 25. Qxe4 Bb2) 23. dxe6 Rxe6 24. Qd1 {Threatens to win with Rxe6.} Rxe1+ 25. Qxe1 bxc4 26. bxc4 Qc5 27. Na4 {[#]} (27. Qd2 $11) 27... Qa3 $1 $17 {[%cal Ra3a4]} 28. Qd1 $2 {[%mdl 8192] [#]} (28. Nc3 $17 {was the crucial defense.}) 28... Ne4 $1 $19 29. Kh2 Nxg3 30. fxg3 Be5 31. Qg4 {[#]} Bxg3+ $1 {[%mdl 512]} 32. Kh3 (32. Qxg3 Qxc1) 32... Qxc1 33. Qxc8+ Kg7 34. Nb6 Be5 35. Nd7 Qe3+ {Precision: White = 21%, Black = 77%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Duzhakov, Ilya"]
[Black "Triapishko, Alexandr"]
[Result "*"]
[ECO "E61"]
[WhiteElo "2423"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,23,36,39,51,41]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 c5 7. Be2 h6 8. Bh4 cxd4 9. Nxd4 Nc6 10. O-O Bd7 11. Qd2 Rc8 {E61: King's Indian: Early deviations for White, including Smyslov System} 12. Rfd1 (12. Rac1 a6 13. Rfd1 Re8 14. b3 Nxd4 15. exd4 Kh7 16. Bf3 Bc6 17. Qd3 Qa5 18. a4 Qb6 19. Rb1 Bxf3 20. Qxf3 {1-0 (43) Gurevich,M (2634)-Markos,J (2557) Beijing 2008}) {Predecessor:} 12... Nxd4 $146 13. exd4 Be6 14. b3 d5 15. Bxf6 Bxf6 16. c5 Bg7 17. Bf3 Qd7 18. Rac1 Rfd8 19. h3 f6 20. b4 h5 21. Qe2 Bf7 22. Re1 Re8 23. Qc2 b6 24. Be2 Red8 25. Bb5 Qc7 26. Ba6 {1-0 (26) Inkiov,V (2459)-Verstraeten,R (2316) Charleroi 2017} *

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Artemiev, Vladislav"]
[Black "Moiseenko, Vadim"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2696"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,84,18,24,23,20,36,25,43,8,16,20,8,7,17,20,58,47,44,-10,103,91,83,60,73,58,55,69,83,37,35,37,59,13,21,9,6,3,0,0,25,0,0,0,0,-31,-35,-34,-26,-62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 d5 3. c4 c6 4. g3 Bb4+ (4... dxc4 5. Bg2 b5 6. Ne5 Bb7 7. O-O a6 8. Nc3 Bb4 9. a4 Ne7 10. Ne4 Nd7 11. Bd2 Bxd2 12. Nd6+ Kf8 13. Nexf7 Qc7 14. Qxd2 Nc8 15. Qf4 Nf6 16. Nxc8 Qxf4 17. gxf4 Rxc8 18. Nxh8 {1-0 (39) Wei,Y (2753)-Sambuev,B (2522) Tbilisi 2017}) 5. Nc3 {[%cal Bb1c3,Bc3e4,Be4g5][%mdl 32]} dxc4 6. Bg2 {LiveBook: 3 Games. D30: Queen's Gambit Declined: Systems without Nc3} Nd7 7. O-O Ne7 8. Qc2 {[%mdl 1024] White is slightly better. White has compensation.} O-O 9. Ne4 $146 ({Predecessor:} 9. Rd1 a5 10. Ne4 f5 11. Neg5 Rf6 {½-½ (46) Martinovsky,E (2340)-Efimov,I (2460) Geneve 1995}) 9... b5 10. a3 Ba5 $1 11. Rd1 $40 {[%mdl 128] White mounts an attack.} Bc7 12. Neg5 {[%csl Gg5][%cal Rc2h7] [#]} g6 13. h4 Qe8 14. h5 (14. b3 $14) 14... e5 (14... h6 $11 {remains equal.} 15. Ne4 g5) 15. dxe5 Nxe5 16. Ne4 f6 17. Bh6 {Strongly threatening Nxe5.} Rf7 18. Nxe5 Bxe5 19. Nd6 (19. a4 {keeps more tension.} Nf5 20. Bf4 Bb7 21. hxg6 hxg6 22. Nc5) 19... Bxd6 $1 20. Rxd6 Bd7 $1 21. e4 {aiming for Qc3.} Nc8 $1 {[%cal Rc8d6]} 22. Rd2 Nb6 23. Re1 gxh5 24. e5 {And now e6! would win.} fxe5 25. Rde2 Re7 26. Qd2 {Black must now prevent Qg5+.} Re6 $1 27. Bh3 {[#]} Rxh6 $1 28. Rxe5 (28. Qxh6 Bxh3) 28... Qf8 29. Bxd7 {Threatens to win with Re8.} Nxd7 ({Better is} 29... Qd6 $1 $15 30. Qxd6 Rxd6 31. Be6+ Kg7) 30. Qxd7 $11 {The position is equal.} Rd8 31. Qc7 h4 32. Rg5+ Rg6 33. Rxg6+ hxg6 34. Qxc6 {[%mdl 4096] Endgame KQR-KQR} Qf7 {Hoping for ...hxg3.} 35. gxh4 Rd2 36. Qc5 Rd5 ({Don't blunder} 36... Rxb2 $2 37. Re7 $18) 37. Re8+ Qxe8 38. Qxd5+ Kh7 39. Kg2 a6 40. a4 bxa4 41. Qxc4 Qb5 42. Qd4 a5 {Precision: White = 66%, Black = 78%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Volkov, Sergey"]
[Black "Bellaiche, Anthony"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2638"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,64,18,14,18,16,16,16,16,23,14,13,14,14,14,14,14,14,14,14,11,20,8,0,0,0,0,11,-22,-28,-43,-32,-35,-40,-199,-197,-559,-552,-648,-643,-624,-637,-1240,-1247,-1250,-1249,-1233,-1252,-1252,-1248,-1240,-1219,-1156,-1119,-1008,-1006]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bg4 7. Qb3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Na5 $1 {[%cal Ra5b3]} 8. Qa4+ Bd7 9. Qc2 {Threatening Nb5.The position is equal.} e6 10. Nf3 Be7 11. Bd3 Nc6 12. a3 Nh5 13. Be5 f6 14. Bg3 f5 {[#]} 15. Be5 $146 Nf6 16. h3 O-O 17. g4 {[%cal Rg4f5]} Ne4 18. gxf5 Rxf5 19. Nxe4 Rxf3 20. Nd2 Nxe5 21. dxe5 Rf8 22. Bxh7+ $2 ({White should play} 22. O-O $15) 22... Kh8 $19 {And now ...Bh4 would win.} 23. Rg1 $2 (23. O-O {is more resistant.} Rc8 24. Qd3) 23... Bh4 {Black is clearly winning.} 24. Rg2 {[#]} Bxf2+ $1 {[%mdl 512]} 25. Ke2 (25. Rxf2 Qh4) 25... Qh4 $1 {[%csl LRh3,LRh7]} 26. Nf3 Rxf3 27. Kxf3 Rf8+ 28. Ke2 Bb5+ 29. Bd3 Qe4 30. Rxf2 Bxd3+ 31. Qxd3 Rxf2+ 32. Kxf2 Qxd3 {Precision: White = 45%, Black = 84%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Alekseev, Evgeny"]
[Black "Lugovskoy, Maxim"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2622"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,31,39,18,29,18,28,23,10,4,0,0,39,16,46,4,4,7,4,0,9,0,0,0,0,-14,0,0,0,0,0,0,15,0,6,4,32,0,33,31,46,35,113,105,145,138,141,150,168,171,306,317,329,286,293,263,272,241,314,312,308,286,300,302,303,253,255,264,267,249,262,255,241,239,282,263,283,279,264,190,190,183,179,50,129,115,94,8,13,8,8,8,116,61,604,602,596,480,410,315,267,28,29,31,51,59,100,100,100,100,100,100,100,100,100,8,114,8,8,8,8,8,8,8]} 1. Nf3 d5 2. e3 Nc6 3. d4 Bg4 4. Bb5 Qd7 (4... a6 5. Bxc6+ bxc6 6. c4 Bxf3 7. gxf3 e6 8. Qa4 Qd7 9. Nc3 Nf6 10. Bd2 c5 11. dxc5 Bxc5 12. cxd5 exd5 {1-0 (53) Erdos,V (2624)-Bjarnason,O (2245) Antalya 2017}) 5. c4 a6 6. Qa4 {Black must now prevent Ne5. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bxf3 7. gxf3 e6 $146 ({Predecessor:} 7... Rd8 8. Bxc6 Qxc6 9. Qxc6+ bxc6 10. Bd2 e6 11. Ba5 Rd7 12. Nc3 {1-0 (48) Fenner,M (1985)-Elefteriadis,P (1975) Lieme 2008}) 8. cxd5 {White has an edge.} exd5 9. Bxc6 bxc6 10. Nc3 g6 11. Bd2 Bg7 12. Ne2 c5 13. Qxd7+ Kxd7 14. Bc3 cxd4 15. Bxd4 Bxd4 16. Nxd4 Ne7 17. O-O-O Rab8 18. Rd2 c5 19. Ne2 Rhd8 20. Rhd1 Kc6 21. Nf4 Rb5 22. Rc2 Kb6 23. Kb1 g5 24. Ne2 Rb4 25. f4 d4 (25... gxf4 $14 26. Nxf4 d4) 26. a3 Rb5 {[#]} 27. Nc3 $1 {[%mdl 512]} Ra5 (27... dxc3 28. Rxd8) 28. fxg5 d3 29. Rcc1 Ng6 (29... c4 $142 30. Ne4 Ra4) 30. Ne4 $18 Ne5 31. Rc3 c4 32. Nd2 Rc5 33. h3 (33. f4 Ng4 $18) 33... Kb5 34. Rdc1 Rdc8 35. f4 Nd7 36. Ka2 a5 37. b3 cxb3+ 38. Rxb3+ (38. Kxb3 Rxc3+ 39. Rxc3 Nc5+ 40. Ka2 Rd8 $16) 38... Ka6 39. Rxc5 Nxc5 {[%mdl 4096] Endgame KRN-KRN} 40. Rc3 a4 41. Kb2 Rb8+ 42. Kc1 Kb5 {intending ...Re8.} 43. Rc4 $1 {[%cal Rc4b4] Hoping for Rb4+.} Re8 44. e4 h6 45. h4 hxg5 46. hxg5 (46. fxg5 $18 Rh8 47. Rb4+ Kc6 48. Nf3) 46... Rh8 ({Black should try} 46... Nb3+ $1 $14 47. Kd1 Nc5) 47. Kb2 $1 $16 Rh4 48. e5 (48. f5 $1 $16) 48... Ne6 $1 $11 49. Rb4+ Kc6 $1 50. Rxa4 Nxf4 (50... Rxf4 $11 51. Rxf4 Nxf4) 51. Kb3 (51. e6 $1 $16 {[%cal Re6f7]} fxe6 52. Nf3) 51... Ng6 $2 {[%mdl 8192]} (51... Kd5 $14) 52. Rxh4 $18 Nxh4 {KN-KN} 53. Kc4 Ng6 54. Kd4 Nf4 {[#]} 55. Ke4 $2 (55. Nf3 $1 $18) 55... Ne6 $1 $11 56. Kf5 ({Weaker is} 56. Kxd3 Nxg5 57. Kc4 Kb6 $18) 56... Kd5 57. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32] Threatens to win with Kf6.} Ng7+ {[#]} 58. Kf6 $1 {[%cal Rf6g7]} Nh5+ 59. Kxf7 Kxe5 60. a5 {Strongly threatening a6.} Kd5 61. a6 Kc6 62. Nc4 (62. Kg6 $16 Ng3 63. Kf6) 62... Kc7 (62... Nf4 $11 {keeps the balance.} 63. Ke7 (63. g6 Nxg6 64. Ke6 d2 $11) 63... Kc7) 63. Kg6 ({Resist} 63. g6 Kb8 $18) (63. Ke6 $16) 63... Ng3 {The position is equal.} 64. Kh7 {aiming for g6.} Kb8 65. g6 {White wants to mate with g7.} Nf5 66. g7 {Precision: White = 54%, Black = 46%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Gordievsky, Dmitry"]
[Black "Usmanov, Vasily"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2605"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,121,-10,0,-11,0,-8,-9,-18,26,25,29,25,28,0,7,8,19,-34,-39,-21,-27,-47,-48,-44,-37,-63,-52,-59,-55,-61,-37,-31,-25,-21,0,0,0,-35,-35,-35,-35,-57,-57,-57,-16,-31,0,-6,0,0,0,0,0,0,0,0,5,8,37,29,26,17,26,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,-8,-8,-8,0,0,4,4,8,0,0,-8,-8,-8,-8,-8,-8,-44,0,0,0,0,0,0,0,0]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Re8 10. Ndf3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Nbd7 {LiveBook: 4 Games} 11. Bg5 Be7 $146 ({Predecessor:} 11... h6 12. Bxf6 Nxf6 13. Rc1 Bd6 14. Nc6 Qd7 15. Nfe5 Qe6 16. e3 Ne4 17. Qh5 Bxe5 18. Nxe5 {½-½ (58) Alekseev,E (2677)-Oparin,G (2551) Jerusalem 2015}) 12. Qa4 Nxe5 13. Nxe5 Ne4 (13... h6 $5 {[%cal Rh6g5]} 14. Be3 Bd6 $11) 14. Bxe7 Qxe7 15. Rac1 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 16. e3 a6 17. Qa3 f6 18. Nd3 (18. Bxe4 $1 $11 fxe5 19. Bg2) 18... c4 $15 {[#] Threatens to win with ...Qxa3.} 19. Qxe7 Rxe7 20. Bxe4 Rxe4 21. Nf4 b5 22. Ne2 Re6 23. Nc3 Bc6 24. b4 a5 25. Rb1 Re7 26. bxa5 Rb7 27. Rb4 Rxa5 28. Rc1 Ra3 29. Kf1 Kf7 30. Ke2 Ke6 31. Kd2 Kd6 32. Kc2 Be8 33. Kb2 Rba7 34. g4 Kc6 35. f3 h5 36. h3 hxg4 37. hxg4 Bg6 38. e4 dxe4 39. d5+ Kd7 40. fxe4 R7a5 41. Re1 Kd6 42. Nxb5+ Kc5 43. Nxa3 Kxb4 $11 {[%mdl 4096] Endgame KRB-KRN} 44. Nb1 Ra8 45. Nc3 Rh8 46. Re2 Rh3 47. a3+ Kc5 48. g5 fxg5 49. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} g4 50. d6 {[#] And now d7 would win.} Rd3 51. Ne4+ Kc6 $132 {[%mdl 2048] ...g3 is the strong threat. Black is fighting back} 52. e6 {aiming for d7.} g3 {White must now prevent ...g2!} 53. e7 Be8 54. Rg2 Re3 55. Nxg3 g6 56. Ne2 Kxd6 {next ...Rb3+ is good for Black.} 57. Nf4 Ke5 58. Nxg6+ {The position is equal.} Kd4 59. Rg4+ Kc5 60. Rg5+ Kd6 61. Nf4 {Precision: White = 62%, Black = 57%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Kobalia, Mikhail"]
[Black "Kobo, Ori"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2596"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,24,12,-45,93,79,90,91,87,80,100,90,98,88,94,89,208,197,422,403,390,141,121,137,185,183,196,205,220,219,220,216,214,214,208,191,288,278,397,385,445,441,394,382]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. Bd3 Nd7 7. Nf3 {B06: Moderne Verteidigung} Bb7 8. a4 b4 9. Ne2 Ngf6 10. Ng3 c5 {LiveBook: 19 Partien} 11. h3 ({Lieber} 11. c3 $11) 11... h5 (11... cxd4 $15 {behält die Oberhand.} 12. Bxd4 a5) 12. e5 $1 $16 {[%cal Re5f6]} dxe5 13. dxe5 {[#]} Nd5 $146 {[#]} ({Vorgänger:} 13... Bxf3 14. exf6 Bxf6 15. gxf3 Bxb2 {1-0 (39) Potapov,P (2485)-Kobalia,M (2646) Cheboksary 2016}) 14. e6 $1 {[%cal Re6f7][%mdl 512]} Bxb2 {Und ...Lc3 würde nun gewinnen.} (14... fxe6 15. Bxg6+) 15. exd7+ Qxd7 {[#]} 16. O-O $1 Bc3 17. Qc1 Bxa1 (17... Nxe3 $16 18. Qxe3 Bxa1 19. Rxa1 Bxf3 20. Qxf3 O-O) 18. Qxa1 $18 {[%cal Ra1h8]} Nc3 $2 (18... O-O-O) 19. Bxc5 Qxa4 20. Qxa4+ $2 (20. Qb2 $18 {und Weiss behält klar die Oberhand.}) 20... Nxa4 $16 21. Bxb4 Rc8 22. Re1 Rc7 23. Ne4 O-O {[#]} 24. Bxe7 $1 Bxe4 25. Rxe4 Nc5 26. Re3 {Und weiter mit Ld6 wäre nett.} Ra8 27. Bc4 {Schwarz muss nun Ld6 beachten.} Ne6 (27... Re8 $142) 28. Bd5 $18 Rac8 (28... Rb8 $142) 29. Bd6 Rxc2 30. Bxe6 fxe6 31. Rxe6 {Precision: Weiß = 63%, Schwarz = 32%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Vorobiov, Evgeny E"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2555"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,94,22,22,25,18,24,22,30,9,62,62,64,18,42,57,68,8,49,29,32,20,32,0,0,0,0,2,20,16,18,-7,-8,-5,-6,-20,-7,-19,-19,-23,0,0,0,0,0,0,0,-12,0,-17,87,71,74,81,81,66,93,65,49,0,0,0,0,0,0,0,0,0,217,213,379,90,83,77,189,200,180]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nf6 5. d3 Nbd7 6. h3 Bh5 7. Qe1 {A07: Barcza-System (Königsfianchetto mit möglichen Übergängen in andere Systeme)} e5 8. e4 dxe4 9. dxe4 Bc5 (9... Be7 10. Nh4 O-O 11. Nd2 Qc7 12. f4 exf4 13. gxf4 Rfe8 14. Kh1 Bb4 {1-0 (35) Giri,A (2785)-So,W (2815) chess.com INT 2017}) 10. a4 O-O 11. Na3 {LiveBook: 5 Partien} Re8 12. Nh4 Qc7 13. Nc4 Bf8 14. Bd2 $146 Re6 (14... Nc5 $11) 15. a5 Rd8 16. Nf5 b5 17. axb6 axb6 18. b3 (18. f4 $14) 18... Qb7 19. Kh2 b5 20. Nce3 Ree8 21. Bc3 Nc5 {[%cal Bd7c5,Bc5e6,Be6d4][%mdl 32]} 22. f3 Bg6 23. Nh4 Qb8 24. Nxg6 hxg6 25. Rd1 Ne6 26. Rxd8 Rxd8 27. Qa1 Nd4 28. Rd1 {[%cal Rc3d4]} Bc5 29. Rd3 Nh5 30. Qd1 f5 31. Nf1 {[%cal Be3f1,Bf1d2,Bd2b3][%mdl 32]} f4 32. g4 {[#] Und b4 würde nun gewinnen.} Nf6 33. b4 Ba7 34. Nd2 Qb6 (34... Ne6 $11 {bleibt in der Remisbreite.}) 35. Nb3 $16 Kh7 36. Bxd4 exd4 37. Nc5 Re8 38. Rxd4 {zielt auf g5 ab.} Qc7 39. g5 Bxc5 $1 40. bxc5 Nh5 41. h4 {[#] Td6 ist eine echte Drohung.} Qe5 42. Bh3 $36 {[%mdl 2048] Weiss hat Druck.} Qxc5 43. Kg2 Ra8 $2 (43... Ng3 $11 {und Schwarz ist OK.}) 44. Be6 $18 {Schwarz muss nun Td8 beachten.} Qe5 $2 (44... Qe7) 45. Bf7 $2 (45. Rd6 $18 {ist der präzise Gewinnweg.}) 45... Rf8 $16 46. Rd7 Qc5 (46... Ng3 $16) 47. Bb3 Qb6 {Precision: Weiß = 52%, Schwarz = 46%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Timofeev, Artyom"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2549"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,-8,-10,12,14,12,12,10,13,14,0,0,0,0,0,0,0,0,0,0,0,5,0,5,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. b3 Be7 7. Bb2 O-O 8. O-O d5 9. cxd5 Nxd5 10. d4 Nxc3 11. Bxc3 {The position is equal.} cxd4 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} 12. Qxd4 Qxd4 13. Nxd4 Bxg2 14. Kxg2 Rc8 15. Bb2 (15. Rac1 Nc6 16. Nxc6 {½-½ (16) Dubov,D (2624)-Korobov,A (2720) Tromsoe 2013}) 15... Nc6 16. Nxc6 Rxc6 17. Rac1 Rac8 18. Rxc6 Rxc6 19. Rc1 Rxc1 20. Bxc1 $11 {[%mdl 4096] [#] Endgame KB-KB} b5 $146 21. e4 f5 22. f3 Kf7 23. Kf2 a6 24. g4 g6 25. Ke2 fxg4 26. fxg4 e5 27. Be3 Ke6 28. Kd3 Bb4 29. a4 Be7 30. h3 Bd6 31. Bf2 Be7 32. Be3 Bd6 33. Bf2 Be7 34. Be3 Bd6 {Precision: White = 61%, Black = 71%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Levin, Evgeny A"]
[Black "Dai, Changren"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2545"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,119,0,-6,0,-11,0,0,0,-7,-6,-13,-7,-18,-8,-12,-15,-14,-16,-11,0,-10,-1,-64,-64,-66,-30,-72,-77,-64,-28,-29,-13,-27,0,0,0,0,39,0,14,0,8,0,19,-1,0,0,31,40,48,0,0,0,200,192,206,192,225,0,0,0,0,0,2,0,7,-105,141,130,95,24,67,70,165,150,151,147,335,332,507,497,843,900,893,877,877,851,812,807,717,711]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Qb3 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Rd1 c6 12. Bd3 Nd7 13. O-O Re8 14. Rfe1 Nf8 15. Bb1 {D58: Queen's Gambit Declined: Tartakower Defence} g6 16. a3 {LiveBook: 3 Games} Bg7 {[#]} 17. Qc2 $146 {The position is equal.} ({Predecessor:} 17. Ba2 Ne6 18. h3 Qd6 19. e4 Rad8 20. exd5 cxd5 21. Re3 a6 22. Rde1 {½-½ (39) Piket,J (2632)-Topalov,V (2718) Monte Carlo 2001}) 17... Qd7 18. Ba2 Rad8 19. b4 Qd6 20. Qb3 Ne6 21. Rd2 Re7 22. Rc1 Red7 23. Rcd1 Ba8 24. Ne1 Qb8 25. Rb1 Qc8 26. Nf3 (26. Na4 $11) 26... c5 $15 27. Rc1 Qa6 28. Ne2 {[%cal Rd4c5]} c4 29. Qb2 Ng5 30. Ne5 $1 {[%cal Re5d7]} Re7 31. Nc3 Qb7 32. f4 $1 {[%cal Rf4g5]} Nh7 33. b5 Qb8 34. Bb1 (34. e4 $5) 34... Nf8 35. Re1 Rde8 36. Rde2 Qd6 37. Na2 Kh7 38. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} h5 39. g4 $1 {[%cal Rg4h5]} hxg4 40. h5 Kg8 $1 41. hxg6 f6 $2 (41... Bxe5 $6 42. fxe5 Qe6 43. Rf1 $16) (41... Nxg6 $11 {and Black has nothing to worry.} 42. Bxg6 Bxe5 43. Bxf7+ Rxf7 44. dxe5 Qd7) 42. Nxg4 $18 Ne6 43. Nc3 Bb7 44. Rf1 $2 (44. Bf5 $18) 44... Nxd4 $1 $11 45. exd4 Rxe2 46. Nxe2 Qe6 $1 {[%csl LRe2,LRg4]} 47. Ng3 Qxg4 48. Qf2 {[#]} (48. Qg2 $1 $11) 48... Re4 $2 (48... Bc8 $1 $17 {and life is bright. ...f5 is the strong threat.} 49. Qf3 Qxf3 50. Rxf3 Bg4) 49. Bxe4 $16 dxe4 {[#]} 50. Qe3 (50. Qg2 $1 $16) 50... f5 {( -> ...Bxd4!)} 51. Kf2 $1 Bf6 (51... Qxg6 $14 52. Rg1 Qf7) 52. Rg1 $18 Bh4 53. Ke1 c3 $2 (53... Qh3 $16) 54. Qxc3 Qxf4 (54... Bd5 {is a better defense.} 55. Qe3 Qh3) 55. Kd1 {Qc4+ would kill now.White is clearly winning.} ({Not} 55. Qb3+ Kg7 $16) 55... Qf3+ (55... Bxg3 $142 56. Qxg3 (56. Qb3+ Kg7 $16) 56... Qxg3 57. Rxg3 Kg7) 56. Qxf3 exf3 57. Nxf5 f2 58. Rf1 Bf3+ 59. Kd2 Bg2 60. Ke2 {Precision: White = 47%, Black = 40%.} ({Weaker is} 60. Nxh4 Bxf1 61. Ke3 Bxb5 $16) 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Triapishko, Alexandr"]
[Black "Alekseenko, Kirill"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2508"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,147,18,27,9,6,0,-3,12,0,0,0,0,23,13,21,1,88,72,77,77,74,77,72,97,98,83,80,68,78,69,83,62,43,58,69,75,72,22,35,0,58,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,-11,-34,0,-75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nde2 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7. Nf3 Be7 8. Bc4 O-O 9. O-O Nc6 10. Bg5 Be6 11. Bb3 Nd7 12. Bxe7 Qxe7 13. Nd5 Qd8 14. Qe2 Nc5 15. Rfd1 h6 16. Qe3 Nxb3 17. axb3 Ne7 18. Nb6 Rb8 19. Nxe5 {1-0 (42) Grischuk,A (2761)-Topalov,V (2749) Paris 2017}) 7... Be6 8. Ng3 h5 9. Be2 {[%cal Rg3h5]} g6 10. h4 Nbd7 11. Qd2 Qc7 $146 ({Predecessor:} 11... Rc8 12. O-O-O Qa5 13. Kb1 Be7 14. f4 exf4 15. Bxf4 Rxc3 16. Qxc3 Qxa2+ {½-½ (31) Nisipeanu,L (2638)-Najer,E (2637) Rogaska Slatina 2011}) 12. O-O-O $36 {[%mdl 2048] White has the initiative.} Nb6 13. Kb1 Ng4 (13... O-O-O $11) 14. Bxb6 Qxb6 15. Bxg4 $1 Bxg4 16. Nd5 Qd8 17. f3 Be6 18. Nf1 Rc8 19. Nfe3 Bh6 20. Qf2 Qa5 21. g4 Bxe3 $1 22. Qxe3 Qc5 23. Qe2 $1 Kf8 24. b3 Kg7 25. Rd3 b5 ({Black should play} 25... hxg4 $11 26. fxg4 Bxg4) 26. Rc3 ({Better is} 26. Rhd1 $14) 26... Qa7 $11 27. Rxc8 Bxc8 28. g5 Be6 29. Nf6 Rc8 30. Rf1 Qc5 31. Qf2 Qc6 32. f4 exf4 33. Rc1 a5 34. Qd4 {[#] And now Nxh5+ would win.} Kf8 35. Nd5 Bxd5 $1 36. exd5 {[%mdl 4096] Endgame KQR-KQR} Qc3 37. Qxf4 Qc5 38. c4 Rb8 (38... bxc4 $11 39. Rxc4 Qg1+ 40. Kb2 Rxc4 41. bxc4 (41. Qxd6+ Kg8 $11) 41... Qb6+ 42. Kc3 Qb4+ 43. Kd4 Qc5+ 44. Kd3 Qa3+ 45. Ke4 Qc5) 39. Rf1 (39. cxb5 $1 $14 Qxd5 40. Rc4) 39... Rb7 40. Qf6 Kg8 $1 41. Re1 {Re8+ would kill now.} Rb8 42. Re7 Rf8 43. cxb5 Qxb5 44. Qxd6 a4 45. Kb2 {[#]} (45. Qc6 $1 $11 Qd3+ 46. Kb2) 45... axb3 ({Black should try} 45... Rc8 $1 $17 46. Re4 axb3 47. axb3 Qd3) 46. axb3 {The position is equal.} Qf1 47. Qc6 Kh7 48. d6 Qf2+ 49. Ka3 {Strongly threatening d7.} Qd4 $1 {aiming for ...Rb8.} 50. Re8 Rxe8 51. Qxe8 Qxd6+ {KQ-KQ} 52. Ka4 Qa6+ 53. Kb4 Qd6+ 54. Kc4 Qf4+ (54... Qc7+ {seems wilder.} 55. Kb5 Qb7+ 56. Ka4 Qa6+) 55. Kb5 Kg7 56. Qe1 Qb8+ 57. Ka4 Qa7+ 58. Kb4 Qb6+ 59. Ka3 f5 60. Qe7+ Kg8 61. b4 Qa6+ 62. Kb2 Qc4 63. Qd6 Kh7 64. Qc5 (64. Qe7+ {looks sharper.} Kg8) 64... Qe2+ 65. Kb3 Qe6+ 66. Kc3 Qe1+ 67. Kb3 Qe6+ ({Avoid the trap} 67... Qxh4 $2 68. Qe7+ Kg8 69. Qe6+ Kh8 70. Qf6+ (70. Qxg6 Qh3+ 71. Ka4 Qf3 $16) 70... Kh7 71. Qf7+ Kh8 72. Qf8+ (72. Qxg6 Qg4 $16) 72... Kh7 73. Qh6+ Kg8 74. Qxg6+ Kh8 75. Qxf5 $18) 68. Qc4 Qe3+ 69. Ka4 {Black must now prevent Qf7+.} Qa7+ 70. Kb5 Qb8+ 71. Kc6 {Hoping for Qf7+.} Qe8+ 72. Kd6 Qf8+ 73. Ke5 f4 74. Qxf4 {Precision: White = 68%, Black = 74%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Golubov, Saveliy"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2501"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,58,27,33,0,8,-4,-2,-6,-10,-17,0,0,0,-5,0,0,0,0,0,-14,-8,-17,0,-17,-25,-22,0,-1,-4,-81,-65,-108,-123,-122,-122,-122,-120,-123,-120,-121,-118,-643,-633]} 1. c4 e5 2. Nc3 d6 3. g3 f5 4. d4 Be7 5. Bg2 Nf6 6. e3 O-O 7. Nge2 c6 {A21: English Opening: 1...e5 2 Nc3} 8. O-O Be6 9. b3 Bf7 {LiveBook: 3 Games. White has an edge.} 10. e4 $146 ({Predecessor:} 10. dxe5 dxe5 11. Qc2 g6 12. Bb2 Qc7 13. e4 f4 14. gxf4 exf4 15. e5 Nh5 {1-0 (30) Bocharov,D (2585)-Basiev,V (1990) Sochi 2017}) 10... fxe4 11. dxe5 dxe5 12. Qxd8 Rxd8 13. Nxe4 Nxe4 14. Bxe4 Na6 {[%cal Bb8a6,Ba6c5,Bc5d3][%mdl 32]} 15. Be3 Bh5 16. Nc3 Bb4 17. Rac1 Nc5 18. Bf5 Bf3 19. Nb1 Rf8 20. Bh3 Nd3 21. Rc2 Rad8 22. a3 Bc5 23. Bg5 (23. Bxc5 $11 Nxc5 24. Nd2) 23... Rd6 24. Be7 {[#]} Nf4 $1 {[%cal Rf4h3][%mdl 512]} 25. Bg2 (25. gxf4 Rg6+) 25... Bxg2 $40 {[%mdl 128] Black attacks with force.} 26. Bxd6 Bxd6 27. Re1 Nd3 28. Re3 Bc5 29. Rce2 $2 {[%mdl 8192] [#]} (29. Rxd3 $17 Be4 30. Rdd2) 29... Rxf2 $1 {[%mdl 512] Precision: White = 31%, Black = 69%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Lomasov, Semen"]
[Black "Paravyan, David"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2490"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,0,0,0,3,6,6,6,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,17,13,19,17,15,15,20,25,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} c6 11. Qf3 Re8 (11... Bd6 12. Bf4 Bxf4 13. Qxf4 Nh5 14. Qe5 g6 15. Rfe1 Ng7 16. Na4 Qa5 17. b3 Re8 {1-0 (27) Rublevsky,S (2683)-Morozevich,A (2676) Ruma 2017}) 12. Bf4 Bd6 13. Rfe1 Be6 14. Rad1 Qb8 15. Bxd6 Qxd6 16. Ne2 Qb4 17. b3 a5 18. Nf4 $146 Bd7 19. c3 Qa3 20. c4 {[%cal Rc4d5]} Qxa2 (20... d4 {with more complications.} 21. Be4 Rac8 22. Re2 Qd6 23. Rde1 c5) 21. cxd5 cxd5 22. Nxd5 Nxd5 23. Rxe8+ Rxe8 24. Qxd5 Be6 25. Qb5 {[%cal Rb5e8] [#] The position is equal.} Rf8 26. Bc4 Qc2 27. Ra1 Bxc4 28. bxc4 $11 {[%mdl 4096] Endgame KQR-KQR} Rc8 29. Qxa5 Qxc4 30. Rd1 {[#] White wants to mate with Rd8+.} h6 31. Rd8+ Rxd8 32. Qxd8+ {KQ-KQ} Kh7 33. Qd6 Qe4 34. Kh2 h5 35. Qc7 Qf5 36. Qg3 g6 37. h4 Qf6 38. Kh3 Qf5+ 39. Kh2 Qf6 40. Kh3 Qf5+ {Precision: White = 91%, Black = 82%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Bystrov, Sergey V"]
[Black "Bellaiche, Anthony"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2302"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,46,16,15,15,19,21,21,15,18,20,20,22,19,20,18,23,10,11,25,15,16,3,9,0,0,2,-5,-66,-58,-26,-27,-42,-42,-184,-182,-527,-519]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bg4 7. Qb3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Na5 $1 {[%cal Ra5b3]} 8. Qa4+ Bd7 9. Qc2 {next Nb5 is good for White.The position is equal.} e6 10. Nf3 Be7 11. Bd3 Nc6 12. a3 Nh5 13. Be5 f6 14. Bg3 f5 {[#]} 15. Be5 $146 Nf6 16. h3 O-O 17. g4 {[%cal Rg4f5]} Ne4 18. gxf5 Rxf5 19. Nxe4 (19. Bxe4 $11 dxe4 20. Qxe4) 19... Rxf3 $15 20. Nd2 Nxe5 21. dxe5 Rf8 {[#] White must now prevent ...Bh4.} 22. Bxh7+ (22. O-O $15) 22... Kh8 $19 {...Bh4 is the strong threat.} 23. Rg1 $2 (23. Qd3 {is a better chance.}) 23... Bh4 {Precision: White = 37%, Black = 91%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Sjugirov, Sanan"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2650"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,74,13,10,16,-4,0,-8,0,-17,-15,-22,-22,-49,-34,-17,-23,-39,-35,-289,-314,-308,-290,-298,-260,-462,-462,-432,-331,-393,-387,-389,-390,-374,-374,-370,-345,-356,-317,-303,-261,-266,-267,-241,-222,-235,-200,-290,-231,-335,-335,-335,-337,-366,-366,-491,-430,-466,-457,-620,-594,-699,-606,-5327,-5274]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e3 c5 6. c3 d6 7. Bc4 cxd4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (7... Nc6 8. O-O Bf5 9. Qe2 d5 10. Bb5 Qb6 11. dxc5 Qxc5 12. Rac1 Ne4 13. Nxe4 dxe4 14. Bxc6 exf3 15. Bxf3 {0-1 (66) Kramnik,V (2812)-Vachier Lagrave,M (2789) Leuven 2016}) 8. cxd4 Nc6 9. O-O Qb6 {The position is equal.} 10. Bd3 $146 ({Predecessor:} 10. b3 Bf5 11. Qe2 Rac8 12. Rfc1 Rfd8 13. Bh4 d5 14. Bd3 Bxd3 15. Qxd3 {½-½ (38) Jayaram,A (2492)-Bora,S (2366) Philadelphia 2017}) 10... Be6 11. Qe2 Qxb2 12. Rfb1 Qa3 13. Rxb7 Rab8 14. Rc7 Nb4 15. Ne1 $2 {[%mdl 8192]} (15. Bc4 $15 Nfd5 16. Rxe7) 15... Qa5 $19 16. Rxe7 Qxg5 17. Rxa7 Nfd5 {White must now prevent ...Nc3.} 18. Bc4 $2 (18. Nef3 {was necessary.} Qh5 19. Rc1) 18... Nc3 19. Qf1 d5 20. Bb3 Nb5 21. Ndf3 Qd8 22. Ra4 Nc3 23. Ra3 Bd7 {[#] Hoping for ...Bb5.} 24. Nd3 Bb5 25. Qe1 Nb1 26. Rxb1 Bxd3 27. Rc1 Be4 28. Qd2 Qd7 29. Ra4 (29. Bd1 $142) 29... Qb5 30. Ne1 {[#]} (30. Rc5 {was called for.} Qb7 31. Rc3) 30... Nxa2 $1 {[%mdl 512]} 31. Qxa2 (31. Rxa2 Qxb3) 31... Qxb3 32. Qxb3 Rxb3 33. g4 Rfb8 {Black is clearly winning.} 34. h4 Bf8 35. Rca1 Rb1 36. Kh2 Bd6+ 37. Kh3 R8b2 {Precision: White = 29%, Black = 70%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Alekseenko, Kirill"]
[Black "Yakubboev, Nodirbek"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2563"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,44,51,57,58,39,21,30,16,19,-12,36,36,37,35,47,35,67,57,64,68,79,70,56,58,54,50,46,44,50,46,47,34,39,40,62,38,79,56,53,56,58,38,32,12,16,12,26,22,23,33,47,29,316,-5,0,0,0,0,0,2,8,5,189,0,0,-40,-83,-90,0,0,0,-342,0,-152]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. Re1 g6 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0} 7. d4 (7. Bxc6 Bxc6 8. d4 Bg7 9. Nc3 Ne7 10. Be3 O-O 11. Qe2 b6 12. Rad1 Qc8 13. dxe5 dxe5 14. Qc4 {0-1 (65) McShane,L (2652)-Short,N (2679) London 2016}) 7... Bg7 8. d5 {LiveBook: 3 Games} Nce7 {White is slightly better.} 9. Bxd7+ Qxd7 10. Be3 $146 ({Predecessor:} 10. c4 h6 11. Nc3 f5 12. c5 Nf6 13. exf5 Nxf5 14. cxd6 cxd6 15. Rxe5+ dxe5 16. Nxe5 {1-0 (70) Todorovic,J (2275)-Runic,Z Zlatibor 1989}) 10... Nf6 11. Nfd2 Ng4 12. Bg5 h6 (12... f6 $5 {[%cal Rf6g5]} 13. Bh4 g5 $11) 13. Bxe7 $1 Kxe7 14. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} h5 15. Nc3 h4 16. c5 Nf6 {[%cal Bg4f6,Bf6h5,Bh5f4][%mdl 32]} 17. Nc4 Rab8 18. f4 Nh5 19. fxe5 Bxe5 20. Nxe5 dxe5 21. Rf1 Kf8 22. Qd2 Nf4 23. Ne2 g5 24. Rac1 Kg7 25. Nxf4 gxf4 26. Qc3 f6 27. Qf3 Kg6 28. Rf2 Rh5 29. c6 bxc6 30. Rxc6 Rg5 31. Kf1 (31. Rxa6 $6 h3 $16) 31... Rb4 32. Rd2 a5 33. a3 $36 {[%mdl 2048] White has some pressure.} Ra4 $2 {[%mdl 8192]} (33... Rb6 $11 34. Rxb6 cxb6) 34. d6 $2 (34. Qd1 $1 $18 {[%cal Rd1a4]} Rd4 35. Rxd4 exd4 36. Qxd4) 34... h3 (34... Qxc6 35. d7 $16) 35. Rxc7 Qb5+ 36. Kg1 $1 Qb6+ 37. Kh1 hxg2+ 38. Rxg2 Qxd6 $2 {[#]} (38... Qe3 $1 $11 {and Black stays safe.} 39. Rxg5+ fxg5 40. Qxe3 fxe3) 39. Rc1 $2 ({White has to play} 39. h4 $1 $18 {[%cal Rh4g5]} Qxc7 40. hxg5 Qc1+ 41. Rg1) 39... Rd4 $11 40. Rxg5+ fxg5 41. Qb3 Kg7 ({Of course not} 41... Rxe4 $6 {[#]} 42. h4 $1 $11 {[%mdl 512]}) (41... Qd8 $17) 42. Qb7+ $1 Qd7 43. Qb3 $2 {[%mdl 8192]} (43. Rc7 $1 $11 {and White is okay.} Rd1+ 44. Kg2 Rd2+ 45. Kg1 Rd1+ 46. Kg2 Rd2+ 47. Kg1 Rd1+ 48. Kg2) 43... Qd6 $2 ({But not} 43... Rxe4 44. Qc2 $19) (43... g4 $19 44. Rg1 g3) 44. Rg1 $2 {Precision: White = 49%, Black = 37%.} (44. Qb7+ $1 $11 Qd7 45. Rc7 Rd1+ 46. Kg2 Rd2+ 47. Kg1 Rd1+ 48. Kg2 Rd2+ 49. Kg1 Rd1+ 50. Kg2) 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Moiseenko, Vadim"]
[Black "Tsoi, Dmitry"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2543"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,66,62,64,60,104,61,77,61,72,65,89,80,100,71,125,63,69,71,210,202,292,184,194,153,228,177,195,206,243,243,243,243,243,243,285,288,268,264,256,247,312,312,290,268,268,268,387,385,373,364,344,338,6070,5806,4814]} 1. Nf3 Nf6 2. g3 d6 3. d4 Nbd7 4. Bg2 e5 5. c4 Be7 6. Nc3 O-O 7. O-O c6 8. Qc2 Qc7 9. b3 a6 10. Bb2 Rb8 $146 {A54: Altindisch} ({Vorgänger:} 10... Re8 11. Rac1 Bf8 12. h3 b6 13. e4 Bb7 14. a4 g6 15. Rfe1 Bg7 16. Rcd1 Rad8 17. Qb1 Nf8 18. Qa1 {½-½ (47) Van Wely,L (2685)-Ambrus,E (2312) Canberra 2014}) 11. Rac1 b5 12. dxe5 dxe5 {Weiß steht etwas besser.} 13. cxb5 axb5 14. Rfd1 h6 15. Nd5 Nxd5 {[#]} 16. Rxd5 $1 {[%cal Rf3e5][%mdl 512]} Qa7 ({Günstiger ist} 16... Bf6) (16... cxd5 17. Qxc7) 17. Rxe5 (17. Rdd1 $16) 17... Nxe5 $14 18. Nxe5 Rb6 (18... Bd7 $16 {ist eine bessere Verteidigung.}) 19. Nxc6 $18 Qd7 (19... Qc7 {war nötig.} 20. Bd4 Ba3) 20. Rd1 Qc7 21. Qe4 Bg5 (21... Bf6 $16 {war angesagt.}) 22. h4 Bb7 {[%cal Rb7c6]} 23. hxg5 $40 {[%mdl 128] Weiss riecht Blut.} Qxc6 24. Qxc6 Bxc6 25. Rd6 Rc8 26. gxh6 Ra6 27. hxg7 ({Falsch wäre} 27. Bxg7 $2 Bxg2 28. Rd2 (28. Rxa6 $2 Bb7 $19) 28... Be4 $19) 27... Rxa2 {[#] Weiss muss nun ...Lxg2 beachten.} 28. Bd4 $1 ({Lieber nicht} 28. Bxc6 Rxb2 29. Bxb5 Rxb3 $11) ({Schwächer ist} 28. Rxc6 Rxc6 29. Bxc6 Rxb2 $11) 28... Bxg2 29. Kxg2 {[%mdl 4096] Endspiel KTT-KTL} Rd2 30. Rh6 {[%csl Gd4,Gg7][%cal Rh6h8]} Rxd4 31. Rh8+ Kxg7 32. Rxc8 Kf6 (32... Rd2 $142 33. Rb8 Rxe2 34. Rxb5 Rd2) 33. Kf3 Ke6 34. Ke3 Rb4 35. Rc3 Kd5 $2 (35... Rg4 36. Kd3 Kd6) 36. f3 f6 {Precision: Weiß = 86%, Schwarz = 26%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Burmakin, Vladimir"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2515"]
[BlackElo "2696"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,118,-16,-23,-12,-27,0,0,22,24,26,38,27,26,37,14,42,-8,-7,-27,-15,-16,-24,-8,-10,-24,-32,-31,-27,-35,-33,-77,-41,-56,-48,-50,-41,-48,-53,-64,-8,-17,0,0,13,0,0,0,58,0,11,16,11,15,51,46,434,429,388,362,352,0,0,-43,0,-7,0,-46,-46,-46,-46,-46,-46,-195,-195,-219,-188,-810,-798,-810,-810,-747,-812,-763,-761,-670,-606,-772,-590,-562,-541,-768,-725,-1195,-1196,-1258,-1226,-1154,-1116,-9651,-9179]} 1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. O-O Nc6 5. c4 Nf6 6. Nc3 O-O 7. d4 exd4 8. Nxd4 Re8 9. Nxc6 {A29: Englische Eröffnung (Vierspringer-Variante)} dxc6 10. Qb3 Qe7 11. Bf4 {LiveBook: 5 Partien. Die Stellung ist ausgeglichen.} Ng4 12. Rad1 a5 $146 ({Vorgänger:} 12... Ne5 13. Ne4 h6 14. Be3 a5 15. f4 Nd7 16. Bd4 Bxd4+ 17. Rxd4 {1-0 (37) Pena Gomez,M (2468)-Edouard,R (2622) Escaldes 2017}) 13. Qc2 Bf5 14. e4 Be6 15. b3 Rad8 16. h3 Ne5 17. Ne2 g5 (17... Rxd1 {seems wilder.} 18. Rxd1 Rd8 19. Be3 Rxd1+ 20. Qxd1 Qd6) 18. Bxe5 Bxe5 19. f4 Rxd1 20. Rxd1 gxf4 21. gxf4 Bd6 22. Rd3 f6 23. Kh1 Kh8 24. Qd2 {[#]} a4 $1 {[%mdl 512]} 25. Rg3 (25. bxa4 Bxc4) 25... axb3 26. axb3 Bf7 27. Rd3 Bg6 28. Ng3 Qf8 29. Qe3 Ra8 (29... Qh6 $15 30. Ne2 b6) 30. Rd1 $11 Ra2 31. e5 Qe7 32. Qc3 fxe5 33. f5 Bb4 (33... Bf7 $1 $11) 34. Qf3 {[%mdl 1024] Weiss hat Kompensation.} Bf7 35. Ne4 {Weiss will Dg3 spielen.} Ra8 $1 36. f6 Qf8 37. Qg3 {zielt auf Td7 ab.} Re8 $2 {[%mdl 8192]} ({Besser ist} 37... Qh6 $14) 38. Rd7 $18 Bg6 39. Qg5 Rd8 40. Rxd8 $2 (40. Rxc7 $18 b5 41. Qxe5 (41. f7 Bxf7 42. Rb7 Rd1+ 43. Kh2 Qg7 $18)) 40... Qxd8 $11 41. Qxe5 {jetzt f7+ und aus.} Bf8 42. c5 Qd5 $36 {[%mdl 2048] Schwarz hat Initiative.} 43. Qxd5 (43. Qa1 {is interesting.} Kg8 44. f7+ Qxf7 45. Nf6+ Kh8 46. Ne8+) 43... cxd5 {[%mdl 4096] Endspiel KLL-KLS} 44. Ng5 c6 45. b4 Kg8 {Weiss muss nun ...Lf5 beachten.} 46. Kg1 {[#]} ({Günstiger ist} 46. Bf3 $15) 46... Bf5 $1 $19 47. h4 h6 48. Bh3 $2 (48. Nf3) 48... Bxh3 {Schwarz steht klar auf Gewinn.} 49. Nxh3 {KL-KS} Kf7 50. Kf2 Kxf6 51. Nf4 Kf5 52. Kf3 Bg7 53. Ng2 Bd4 54. Nf4 Bc3 55. Nd3 Bf6 56. h5 Bc3 57. Ke2 Kg4 58. Ke3 Kxh5 59. b5 Kg4 {Precision: Weiß = 39%, Schwarz = 50%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Mikaelyan, Arman"]
[Black "Kobalia, Mikhail"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2503"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,50,29,58,60,60,41,58,32,34,32,35,28,22,29,41,42,94,68,80,86,84,81,78,75,83,104,99,103,128,124,166,166,164,154,164,137,163,142,172,168,166,162,183,107,110,98,112,107,200,111,105,113,99,105,183,172,206,193,295,284,588,565,977,975,2052,1854]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. c5 Bf5 6. Bf4 Nbd7 7. e3 h6 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (7... Nh5 8. Bd3 Bxd3 9. Qxd3 Nxf4 10. exf4 g6 11. O-O-O Bg7 12. Kb1 b6 13. cxb6 Qxb6 14. Ne5 Nxe5 15. fxe5 {½-½ (40) Moiseenko,A (2707)-Movsesian,S (2672) Dubai 2014}) 8. Be2 {LiveBook: 8 Games} Ne4 $146 ({Predecessor:} 8... g5 9. Bg3 Bg7 10. Ne5 Ne4 11. Nxe4 Nxe5 12. Bxe5 Bxe5 13. Ng3 Bxg3 14. hxg3 Kf8 15. g4 {½-½ (35) Rios,C (2384)-Zuluaga Mancilla,C (2372) Puerto Boyaca 2012}) 9. O-O e6 {White is slightly better.} 10. Nxe4 Bxe4 11. Nd2 Bh7 12. b4 Be7 13. Nb3 O-O 14. a4 Re8 15. b5 e5 (15... Qc8 $14) 16. bxc6 bxc6 17. Bxe5 Nxe5 18. dxe5 Bf8 19. f4 Qc7 20. Bd3 Bxd3 21. Qxd3 Rab8 22. Rfc1 Rb4 23. Nd4 Qb7 24. a5 Rb8 25. Rc2 Qc8 26. h3 Qb7 27. Kh2 Qc8 28. Ra3 Rb1 29. Rb3 (29. e4 $18) 29... R1xb3 $16 30. Nxb3 Rb5 31. Rc3 Qb7 (31... h5 $16) 32. Qc2 (32. Nd4 $18) 32... Qd7 33. Qa2 Qc7 34. Qa4 Qd8 {[#]} (34... g6 $16) 35. Qa3 $1 $18 Qc7 36. Nd4 Rxa5 (36... Rb8 $142 37. Rc2 Qb7) 37. Qb4 Ra2 $2 (37... Rb5 {is a better chance.} 38. Nxb5 Qb7) 38. Qb6 {White is clearly winning.} Qxb6 39. cxb6 Rb2 40. Rb3 {Precision: White = 73%, Black = 48%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Abdusattorov, Nodirbek"]
[Black "Levin, Evgeny A"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2498"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,14,23,-4,43,19,17,11,6,17,20,14,33,22,41,27,37,14,15,5,30,18,35,10,48,18,87,56,62,66,79,74,105,79,88,79,83,83,81,50,92,0,73,88,87,83,97,91,89,0,89,89,83,81,116,82,89,89,116,90,98,0,110,112,104,108,112,28,102,107,125,122,143,131,137,134,301,295,300,282,358,329,363,372,368,355,356,371,356,353,384,386,433,420,449,474,890,826,1261,1015,12842,12843,12843,12843]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 e6 (4... g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nc3 Nf6 8. O-O O-O 9. Bxd7 Nbxd7 10. b3 e6 11. Re1 d5 12. exd5 exd5 13. Ba3 Re8 14. Rxe8+ Qxe8 15. cxd5 Qe5 {½-½ (15) Malakhov,V (2691)-Hracek,Z (2610) Mali Losinj 2017}) 5. Nc3 Nf6 6. d4 {B52: Sicilian: Moscow Variation with 3...Bd7} cxd4 7. Nxd4 Be7 8. O-O O-O 9. Be3 Nc6 {LiveBook: 6 Games} 10. Bxc6 Bxc6 (10... bxc6 {looks sharper.} 11. Rc1 c5 12. Nde2 Ng4 13. Bf4 Bc6) 11. Nxc6 (11. f3 {seems wilder.} Bd7 12. b3 a6 13. a4 d5 14. e5) 11... bxc6 12. Qe2 Qa5 $146 ({Predecessor:} 12... e5) 13. Rfd1 Rfd8 14. Rac1 Rd7 15. b3 Rad8 16. h3 Qa6 17. Kf1 Qb7 18. Rd3 Kf8 19. Rcd1 Kg8 20. Bd4 Ne8 21. Na4 c5 (21... d5 $11) 22. Be3 Qc6 23. Qf3 Nf6 24. Nc3 a6 25. Bg5 Qc8 26. R1d2 h6 27. Bf4 Qc6 28. Ke2 Kf8 29. Kf1 (29. g4 $16) 29... Ke8 (29... Kg8 $1 $11) 30. Rd1 $16 Kf8 31. Bg3 Ke8 32. Bh4 Qb7 33. Bg3 Qc6 $1 34. Qe2 Kf8 35. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Kg8 36. f5 Re8 37. Qf3 Red8 38. Ke2 Qc8 39. Kf1 Qc6 $1 40. Kg1 Qc8 41. Bh4 Qc7 42. Ne2 (42. Kh1 $16) 42... exf5 (42... d5 $1 $11 43. exd5 (43. cxd5 exd5 44. exd5 Rxd5 $11) 43... exd5) 43. Qxf5 Qc6 44. e5 $36 {[%mdl 2048] White has strong initiative.} Qe4 45. Qxe4 Nxe4 46. Be1 Rb7 $2 {[#]} (46... f6 $16 {keeps fighting.}) 47. Ng3 $18 Nxg3 48. Bxg3 Kf8 49. exd6 Bf6 50. Bf2 Ke8 51. Bxc5 Kd7 52. Bd4 Bxd4+ 53. Rxd4 {[%mdl 4096] Endgame KRR-KRR} Re8 54. Kf2 a5 55. Re1 Rxe1 56. Kxe1 {White is clearly winning.} a4 (56... Kc6 $142 57. Rd5 Rb8) 57. c5 axb3 58. axb3 Rxb3 {[#]} 59. c6+ $1 {[%mdl 512]} Kxc6 60. d7 {Precision: White = 53%, Black = 34%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Bellaiche, Anthony"]
[Black "Vorobiov, Evgeny E"]
[Result "1/2-1/2"]
[ECO "E56"]
[WhiteElo "2493"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,123,0,27,16,3,18,18,20,51,26,19,10,22,0,0,18,0,0,0,-23,0,7,6,9,14,8,2,24,145,31,33,19,28,24,85,75,81,72,87,37,80,78,78,47,47,49,46,46,104,0,0,0,34,35,35,35,35,29,20,15,23,17,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. h3 a6 11. Bd3 {E56: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6} cxd4 $146 ({Predecessor:} 11... Qe7 12. Qe2 cxd4 13. exd4 Rd8 14. Be3 Bc7 15. Rfe1 h6 16. Rad1 Qf8 17. Bc4 Ne7 18. Ba2 Bd6 {1-0 (31) Stefansson,H (2575)-Olafsson,H (2460) Reykjavik 2001}) 12. exd4 Bb6 13. Be3 Ne7 14. Qc2 h6 15. Qd2 Nf5 16. Bxf5 exf5 17. Rfe1 Nd5 18. Nxd5 Qxd5 19. Bf4 Bd7 20. Re5 Qb3 21. Bxh6 {Threatening mate with Qg5.} f6 22. Re7 Rf7 23. Rae1 {Strongly threatening Rxf7.} Qd5 {[#]} (23... Raf8 $11) 24. Qf4 (24. Rxf7 $1 $16 Kxf7 25. Bxg7) 24... Bd8 $1 $14 25. Rxf7 Qxf7 26. Qg3 Bc6 (26... Rc8 $11 {keeps the balance.}) 27. Nh4 $16 Kh7 28. Bf4 $36 {[%mdl 2048] White is in control.} ({Not} 28. Nxf5 Qg6 $17) 28... Qh5 29. Bd6 Rc8 30. Rc1 Bb6 31. d5 Bd7 32. Rxc8 Bxc8 33. Nf3 g5 {[#]} ({Better is} 33... f4 $14 34. Bxf4 Qxd5) 34. Ne1 (34. Bc5 $1 $16 {[%cal Rc5b6]} f4 35. Nxg5+ fxg5 36. Qd3+ Qg6 37. Qxg6+ Kxg6 38. Bxb6) 34... Qe2 $11 35. Bb4 f4 36. Qf3 Qxf3 $1 37. Nxf3 $14 {[%mdl 4096] Endgame KBB-KBN} Kg6 38. Bc3 Bf5 39. Bd4 Bc7 40. Nd2 Bd3 {The position is equal.} 41. Kh2 Kf5 42. g3 fxg3+ 43. fxg3 Be5 44. Bc3 Bxc3 45. bxc3 $11 {KB-KN} Ke5 46. c4 b5 47. cxb5 axb5 48. Kg2 Kxd5 49. Kf3 Ke5 50. h4 gxh4 51. gxh4 Kf5 52. Nb3 Kg6 53. Nc5 Bc2 (53... Bf5 {is more complex.} 54. Kf4 Bc2 55. Ne6 Bb3 56. Nd4 Bc4) 54. Kg4 Bd1+ 55. Kf4 Kh5 56. Kg3 Kg6 57. Ne6 Bb3 58. Nd4 Bc4 59. Kg4 Bd3 60. Kg3 Bc4 61. Kf4 Kh5 62. Ke4 {Precision: White = 62%, Black = 54%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Oganian, Miran"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2454"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,80,8,6,10,14,0,31,24,31,47,43,0,78,45,45,40,35,41,36,35,43,36,45,38,62,30,35,9,15,16,56,52,72,72,72,68,72,74,95,106,124,93,120,114,130,128,139,119,116,49,95,68,97,68,95,96,104,73,102]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. e4 {A62: Benoni (mit 7.g3)} (11. Re1 Ng4 12. Bg5 f6 13. Bd2 Nge5 14. Qc2 a6 15. a4 Rb8 16. Rab1 Nc4 17. Bc1 Nde5 18. Nxe5 Nxe5 {½-½ (52) Ganguly,S (2653)-Adhiban,B (2672) Chengdu 2017}) 11... Ng4 12. Bg5 f6 {LiveBook: 3 Partien} 13. Bc1 {[#] Die Stellung ist ausgeglichen.} Nde5 $146 ({Vorgänger:} 13... a6 14. a4 Nde5 15. Nh4 f5 16. exf5 gxf5 17. h3 Nf6 18. f4 Ng6 {½-½ (41) Li,Y (2298)-Sunilduth Lyna,N (2536) St Petersburg 2016}) 14. Nh4 Bd7 15. h3 Nh6 $1 16. f4 Nc4 17. b3 Na5 (17... f5 $11 18. e5 Nb6) 18. Bd2 b5 19. Ne2 Nb7 20. f5 g5 21. Nf3 Nf7 22. g4 Rfc8 23. Ng3 Be8 24. Bc3 Ne5 25. Rc1 Bf8 26. Rf2 $36 {[%mdl 2048] Weiss hat Druck.} Rab8 27. Bf1 Nd8 28. Nxe5 dxe5 29. Rfc2 Nb7 30. Be1 Qd8 31. Bf2 a6 32. Qd2 Bd6 33. Kg2 Rc7 34. Be2 Rbc8 35. Nf1 Bf8 36. Ne3 (36. Qd1 $16) 36... Nd6 37. Kf3 Nb7 38. Bd3 h5 39. Kg2 Rh7 40. Qe2 Rb8 {Precision: Weiß = 49%, Schwarz = 34%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Khanin, Semen"]
[Black "Gordievsky, Dmitry"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2450"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,112,18,7,21,16,20,34,27,0,3,0,0,0,26,14,18,4,23,25,28,20,20,29,16,0,0,0,0,-3,23,30,38,0,0,0,0,-95,-117,-126,-67,-81,-56,-75,-75,-79,-64,-88,-42,-44,-51,-55,-59,-246,-267,-358,-355,-550,-542,-29949,-29952,-12801,-12803,-12798,-12796,-5197,-5173,-29972,-6087,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29993,-29993,-29994,-29994,-29995]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Na6 7. O-O c5 8. d5 Bg4 9. h3 Bxf3 10. Qxf3 Nb4 {B09: Pirc Defence: Austrian Attack} 11. a3 (11. a4 Nd7 12. Qe2 Nxd3 13. Qxd3 Qb6 14. Kh1 Rac8 15. a5 Qa6 16. Qxa6 bxa6 17. Bd2 Rb8 18. b3 {0-1 (52) Sethuraman,S (2640)-Malakhov,V (2694) Berlin 2015}) 11... Nxd3 12. Qxd3 {LiveBook: 21 Games} Qa5 {The position is equal.} 13. Bd2 Qa6 $146 14. Qxa6 bxa6 15. Rad1 Nd7 16. Rfe1 c4 17. Na4 Rfb8 18. e5 dxe5 19. Bc3 {[%cal Rf4e5]} f6 20. fxe5 fxe5 21. Re4 Rc8 22. d6 e6 23. Ba5 Rc6 $1 24. Bc7 Rf8 25. g3 Rf5 26. Nc3 Kf7 27. Na2 Rc5 28. Nb4 a5 29. Bxa5 (29. Na2 $11 {remains equal.}) 29... c3 $1 $17 {[%cal Rc3b2]} ({Don't play} 29... Rxa5 30. Rxc4 Rc5 31. Rxc5 $11) 30. bxc3 Rxa5 ({Black should try} 30... Rf3 $17 31. Kg2 Rfxc3 32. Rf1+ Kg8) 31. Rc4 $1 $15 Rc5 ({Much worse is} 31... Rxa3 $6 32. Rc7 $11) 32. Rxc5 Nxc5 33. d7 Nb7 {aiming for ...Nd8.} 34. Nc6 $1 {Black must now prevent Rb1.} Bh6 35. g4 Be3+ 36. Kh1 Rf2 {And now ...Bb6 would win.} 37. d8=Q $2 (37. Rb1 $1 $15 Nd8 38. Nxd8+ Ke7 39. Nc6+ Kxd7 40. Nxe5+ Ke7 41. Re1) 37... Nxd8 $19 38. Rd7+ Kf6 39. Nxd8 {[%mdl 4096] Endgame KRB-KRN} (39. Rxd8 {was called for.} Bf4 40. Nb4) 39... Kg5 40. Rxh7 Kf4 $1 41. Rf7+ Kg3 {[%csl Gg3][%cal Rf2h2]} 42. Rxf2 Bxf2 43. Nxe6 {[#] KB-KN} e4 $1 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 44. c4 {[#]} Bb6 $1 {( -> ...e3)} 45. c5 e3 {Black mates.} 46. Nd4 Bxc5 47. Ne2+ Kf2 48. Nf4 Bxa3 49. h4 e2 50. Nd3+ Kg3 51. h5 gxh5 52. gxh5 Bf8 53. c4 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 54. c5 {[#]} Bxc5 $1 {[%mdl 512]} 55. h6 (55. Nxc5 e1=Q#) 55... Bd4 56. h7 a4 {Precision: White = 47%, Black = 78%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Palchun, Grigory"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2441"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,112,10,9,3,3,3,3,0,0,-1,7,0,0,-14,-7,-5,0,6,6,-1,24,10,18,0,12,0,-10,-13,-11,-12,-14,-11,-7,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-21,-13,-13,-16,-57,-33,-87,-71,-64,-27,-108,-108,-147,-88,-80,-67,-102,-8,-8,-8,-8,-8,-18,-19,-409,-377,-1074,-1074,-1000,-936,-1081,-1053,-1505,-1420,-1472,-175,-1100,-1053,-29969,-29970,-29972,-29975,-29973,-29967]} 1. d4 e6 2. Bf4 c5 3. e3 Nf6 4. c3 Be7 (4... b6 5. Nd2 Bb7 6. Ngf3 Be7 7. h3 O-O 8. Bd3 d6 9. O-O Nc6 10. Bh2 Re8 11. a3 Bf8 12. Qe2 g6 13. Rfd1 a6 14. e4 d5 15. e5 Nd7 16. Bf4 b5 17. Qe3 Rc8 {0-1 (48) Grachev,B (2645)-Fedoseev,V (2733) Sochi 2017}) 5. Nd2 O-O 6. Bd3 {A45: Trompowsky Attack} b6 7. h3 Ba6 8. Bxa6 Nxa6 9. Ngf3 d5 {LiveBook: 11 Games} 10. Ne5 $146 ({Predecessor:} 10. Qe2 Nb8 11. O-O Qc8 12. Rfe1 Qb7 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 Qxe4 16. Rxe4 {½-½ (40) Prie,E (2490)-Franco Alonso,A (2452) San Sebastian 2011}) 10... Nb8 11. O-O Qc8 12. Rc1 Qb7 13. Qf3 Nbd7 14. c4 Rac8 15. Nb3 cxd4 16. exd4 Ne4 17. cxd5 exd5 18. Qd3 Nd6 19. Rfe1 Rxc1 20. Rxc1 Rc8 21. Rc3 Nf8 22. Rxc8 Qxc8 23. Ng4 Nc4 24. Ne3 Nxe3 25. Bxe3 Bf6 26. Qb5 Qd7 27. Qxd7 Nxd7 $11 {[%mdl 4096] Endgame KBN-KBN} 28. Nc1 Nb8 29. Ne2 Nc6 30. Nc3 Bxd4 31. Bxd4 Nxd4 32. Nxd5 {KN-KN} f6 33. f3 Kf7 34. Kf2 Ke6 35. Nc3 Ke5 36. g3 g5 37. g4 Ne6 38. Kg3 (38. Nb5 $15) 38... Nc5 39. h4 a6 40. a3 {[#]} (40. b4 $11 Ne6 41. hxg5 fxg5 42. b5 axb5 43. Nxb5) 40... Kd4 $1 $17 41. f4 h6 (41... gxh4+ $142 42. Kh3 Nd3) 42. hxg5 hxg5 {Threatens to win with ...Ne4+.} 43. Kf3 $1 b5 (43... a5 $17 44. Nd1 Nd3 45. fxg5 fxg5) 44. b4 $11 Nd3 45. Ne2+ Kd5 46. Nc3+ Kc4 47. Ne4 $2 {[%mdl 8192]} (47. fxg5 $1 $11 {and White is okay.} fxg5 48. Ne4) 47... Nxf4 $19 48. Nxf6 $2 {[#]} (48. Nd2+ Kc3 49. Ne4+ Kb2 50. Nc5) 48... Kb3 $1 {[%cal Rb3a3]} 49. Ne4 Kxa3 50. Nxg5 Ng6 51. Ke4 Kxb4 52. Nf3 a5 $2 (52... Kc3 53. Nd4 b4 54. Ne2+ Kc4) 53. Kd4 $2 (53. Kd3) 53... a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 54. Ne1 Nf4 {Black mates.} 55. Ke4 Kc3 56. Kxf4 a3 {Precision: White = 30%, Black = 59%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Sindarov, Javokhir"]
[Black "Pridorozhni, Aleksei"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2406"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,116,-5,0,-2,-7,-2,-14,-7,-10,-2,-8,-14,0,-4,0,-4,0,0,0,-2,0,-32,0,0,0,0,0,0,0,0,0,-59,-31,-34,-48,-53,-24,-30,-12,-12,-12,-13,-12,-19,-27,-28,-5,-10,0,0,0,0,0,-18,-12,-23,-23,-23,-23,-33,-23,-23,-47,-56,-23,-23,-23,-61,-23,-23,-23,-91,-89,-49,-74,-87,-87,-463,-462,-440,-412,-354,-339,-408,-401,-599,-599,-635,-635,-636,-636,-602,-594,-547,-511,-640,-636,-625,-625]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. h3 h6 8. c4 {C01: French: Exchange Variation} (8. Nc3 c6 9. Ne5 c5 10. Nb5 Be7 11. dxc5 Bxc5 12. Bf4 a6 13. Nc3 Nc6 14. Qd2 d4 15. Ne2 Re8 16. Nxc6 bxc6 {½-½ (37) Fressinet,L (2668)-Bacrot,E (2696) Balagna 2017}) 8... dxc4 9. Bxc4 Nc6 10. Nc3 Bf5 {LiveBook: 13 Games} 11. a3 Qd7 12. Re1 Rfe8 13. Be3 a6 {[#]} 14. Rc1 $146 ({Predecessor:} 14. Bf1 Ne4 15. Nh4 Bh7 {½-½ (35) Makarov,M (2536)-Vunder,A (2261) St Petersburg 2008}) 14... Rad8 15. b4 Ne4 16. Nxe4 Bxe4 17. Nd2 Bf5 18. Qh5 Bf8 19. Nf3 Be6 20. Bxe6 Rxe6 21. Ne5 Qe8 22. Nxc6 Rxc6 23. d5 Rxc1 24. Rxc1 Bd6 25. Bc5 ({White should play} 25. Qg4 $11) 25... Qe5 $15 26. Qxe5 Bxe5 {[%mdl 4096] Endgame KRB-KRB} 27. Rd1 b6 28. Be3 Kf8 29. Kf1 Ke7 30. Ke2 Kd6 31. g4 Ra8 32. Rd3 Kd7 33. Bd2 Bd6 34. h4 Re8+ 35. Kf3 Be7 36. Kg3 Bf6 37. h5 Re4 38. f4 Kd6 39. Kf3 Rc4 40. Be3 Bb2 41. g5 f5 {aiming for ...Rc3.} 42. gxf6 Bxf6 43. Bf2 a5 44. bxa5 bxa5 45. Be1 (45. Ba7 $11) 45... Bd4 $17 46. Bxa5 Kxd5 47. Rb3 c5 48. Kg4 $2 {[%mdl 8192] [#]} (48. Bc7 $17) 48... Ra4 $19 49. Bd2 Ke4 50. Rf3 Rc4 51. f5 Rc2 52. f6 (52. Rf4+ {might work better.} Kd3 53. Be1) 52... Bxf6 {Black is clearly winning.} ({But not} 52... Rxd2 $2 53. f7 $18) 53. Rf4+ Kd3 54. Be1 Rg2+ 55. Kf3 Rh2 56. Rf5 Bd4 57. a4 Ra2 58. a5 c4 {Precision: White = 56%, Black = 70%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Artemiev, Vladislav"]
[Black "Mikaelyan, Arman"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2696"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,149,13,20,9,0,0,0,0,6,6,14,2,72,65,85,81,97,74,75,31,34,41,103,37,41,50,62,58,57,46,90,15,16,10,9,9,11,10,11,10,12,10,10,10,9,12,10,0,0,0,53,60,84,3,2,0,0,0,2,0,2,0,0,0,8,4,10,4,8,8,8,3,93,27,30,28,32,17,32,32,38,38,65,65,65,65,65,65,81,8,81,79,81,79,79,79,143,135,245,245,245,238,238,238,989,121,124,124,124,124,1035,163,147,0,931,788,29970,29971,29971,29972,29971,29973,29970,29970,29974,29976,29976,29977,29977,29978,29978,29979,29979,29980]} 1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. c4 c6 7. O-O Nbd7 8. Qc2 Re8 9. cxd5 cxd5 {LiveBook: 13 Games} 10. Rc1 {A11: English Opening: 1...c6} e5 11. Qc7 $146 ({Predecessor:} 11. b4 Qb6 12. Qb3 Ng4 13. e3 e4 14. Bxg7 Kxg7 15. Nd4 Nde5 16. Nc3 Be6 17. Na4 Qd8 {1-0 (26) Fedoseev,V (2523)-Chekh Adm Khedr,A (1891) Kocaeli 2011}) 11... Qxc7 12. Rxc7 {The position is equal.} b6 13. Nc3 e4 14. Nd4 Bf8 (14... Nc5 $11) 15. d3 a6 16. dxe4 dxe4 17. Rd1 Rb8 18. g4 h6 19. h4 {g5 is the strong threat.} Bd6 (19... b5 $14) 20. Ndb5 (20. Ra7 $16 Nxg4 21. Nxe4 (21. Bxe4 Ndf6 $16) 21... Bh2+ 22. Kf1) 20... Bxc7 $14 21. Nxc7 Rd8 $1 22. g5 hxg5 23. hxg5 Nh7 24. Ba3 (24. Bxe4 $16 Bb7 25. Bxb7 Rxb7 26. N3d5) 24... Bb7 $11 25. Be7 Rdc8 $1 {[%cal Rc8c7]} 26. Rxd7 Bc6 27. Rd1 Rxc7 28. Bd6 Rbc8 29. Bxc7 Rxc7 30. Nxe4 Bxe4 31. Bxe4 Nxg5 {[%mdl 4096] Endgame KRB-KRN} 32. Rd8+ Kg7 33. Bd3 Rc1+ (33... Nh3+ $11 34. Kg2 Nf4+ 35. Kf3 Nxd3 36. Rxd3 Rc5) 34. Kg2 $14 Ra1 35. a4 (35. Bxa6 $16 {aiming for a4.} Rxa2 36. Bc4) 35... Ra3 $11 36. Bc2 Ra2 37. Bd3 Rb2 38. Bxa6 Rxb3 39. Bb5 Ne6 40. Rd7 {Threatens to win with Bc4.} Rb4 41. Ra7 Kf8 42. e3 Nc5 43. Bc6 Rb2 44. Bd5 Rd2 (44... f5 $11) 45. Rxf7+ ({Better is} 45. Bxf7 $16 Kg7 46. a5 bxa5 47. Bc4+ (47. Rxa5 Ne4 $14) 47... Kf6 48. Rxa5) 45... Ke8 46. Bc4 {Black must now prevent Ra7.} Nxa4 47. Rf6 Nc3 48. Bb3 b5 49. Rc6 b4 50. Rb6 Rb2 51. Rxb4 Ke7 52. Kg3 Kf6 53. Rb6+ (53. Rf4+ $16 Ke5 54. Bc4) 53... Kg7 (53... Kg5 $1 $11 {remains equal.}) 54. Rb7+ Kh6 55. f3 Ne2+ 56. Kg4 Nc1 ({Black should play} 56... Rb1) 57. Bd5 $16 Rxb7 (57... Rg2+ $16 {was necessary.} 58. Kh3 Rd2) 58. Bxb7 {KB-KN} Nd3 59. Ba6 Nc5 60. Bc4 Nd7 $2 {[#]} (60... Kg7 61. Kg5 Nd7) 61. Be6 $2 (61. Kf4 $18 {And now e4 would win.} Kg7 62. Kg5) 61... Ne5+ 62. Kf4 Nd3+ 63. Ke4 Nc5+ $2 {[%mdl 8192]} (63... Ne1 $16 64. Bg4 Kg5) 64. Kd5 $2 (64. Ke5 {Strongly threatening Kf6.} Kg5 65. Bc4) 64... Nd3 $18 65. Ke4 $2 {[%mdl 8192]} (65. Bc8 $16) 65... Nc5+ {[#]} 66. Ke5 $1 {[%cal Re5f6]} Kg7 67. Bc4 {White mates.} Nd7+ 68. Kd6 Nf6 69. e4 {[%cal Be3e4,Be4e5,Be5e6,Be6e7][%mdl 32]} Nh5 70. e5 g5 71. e6 Kf6 72. e7 Ng7 73. Be6 Ne8+ 74. Kd7 Ng7 75. Bg4 {Precision: White = 51%, Black = 44%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Gordievsky, Dmitry"]
[Black "Abdusattorov, Nodirbek"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2605"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,137,0,-2,53,21,19,18,26,19,17,0,45,27,98,97,104,97,91,89,80,69,72,60,81,80,105,118,181,163,188,185,185,187,188,187,187,177,199,188,187,183,181,118,118,118,170,110,126,110,112,97,118,101,105,73,73,73,73,77,80,96,96,33,33,33,73,73,81,8,8,8,8,8,8,8,81,81,82,82,90,106,106,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,29972,29973,29974,29976,29976,29977,29974,29977,29977,29978,29978,29979,29979,29980]} 1. c4 e6 2. Nc3 Nf6 3. e4 e5 4. Nf3 Nc6 5. d4 exd4 6. Nxd4 {LiveBook: 27 Partien} Bc5 {A18: Englische Eröffnung} (6... Bb4 $11) (6... Bb4 7. Nxc6 bxc6 8. e5 Ne4 9. Qg4 Nxc3 10. Bd2 O-O 11. bxc3 Qe7 12. Be2 Qxe5 13. O-O Bxc3 14. Bf4 {1-0 (56) Mastrovasilis,A (2512)-Papaioannou,I (2642) Porto Rio 2014}) 7. Nxc6 dxc6 8. Qxd8+ Kxd8 {Die Stellung ist ausgeglichen.} 9. f3 $146 ({Vorgänger:} 9. Bg5 Ke8 10. f3 Be6 11. O-O-O Nd7 12. Bf4 Rc8 13. Nd5 Bd6 14. Bd2 cxd5 15. cxd5 Bxd5 16. exd5 {1-0 (39) Balinov,I (2499)-Pachta,P (2266) Tweng 2007}) 9... Be6 10. Bf4 Nh5 11. O-O-O+ Ke7 (11... Kc8 $11 {bleibt in der Remisbreite.} 12. Na4 Be7) 12. Bxc7 $16 Rac8 13. Be5 Rhd8 14. Rxd8 Rxd8 15. Nd1 g5 16. g3 g4 17. f4 Nf6 18. f5 $1 Nxe4 (18... Bc8 $16 {ist eine bessere Verteidigung.}) 19. fxe6 {zielt auf Lg2 ab.} Kxe6 20. Bc3 $1 Rxd1+ 21. Kxd1 Nf2+ 22. Ke2 $1 Nxh1 $18 {[%mdl 4096] Endspiel KLL-KLS} 23. Be1 h5 24. Bg2 Nxg3+ 25. hxg3 ({Keinesfalls} 25. Bxg3 $6 f5 $16) 25... f5 26. Bd2 (26. a4 $18) 26... Bd6 $16 27. Kf2 a6 (27... Be7 $16 {war nötig.} 28. Bf1 h4) 28. Be3 ({Besser ist} 28. b4 $1 $18) 28... Kf7 29. Bf4 Bc5+ 30. Ke2 Ke6 31. Kd3 Bg1 32. b4 Bh2 33. Ke3 Bg1+ 34. Ke2 Bh2 35. Kf2 h4 36. b5 (36. a4 $1 $16) 36... axb5 $14 37. cxb5 cxb5 38. Bxb7 b4 39. Ba6 (39. Bc7 $16 Bxg3+ 40. Bxg3 hxg3+ 41. Kxg3) 39... Kf6 $1 $11 40. Bc8 Bxg3+ 41. Bxg3 hxg3+ 42. Kxg3 {Droht stark Kf4. KL-K3B} Ke5 (42... Kg5 $11 {hält das Gleichgewicht.}) 43. Bd7 $16 Ke4 44. Be6 {Und Lc8 würde nun gewinnen.} Ke5 45. Bc8 (45. Bg8 {with more complications.} Kd4 46. Kf4 Kc3 47. Bf7 Kc2 48. Kg3) 45... Ke4 46. Kf2 (46. Bb7+ $16 Kd3 47. Bc6) 46... Kf4 $11 47. Ke2 Ke4 48. Kf2 Kf4 49. Bb7 {Schwarz sollte Lc8 verhindern.} Kg5 50. Ke3 f4+ 51. Ke4 g3 $1 {[%cal Rg3g2]} 52. Kd3 ({Weniger gut wäre} 52. Kf3 Kf5 $16) 52... Kg4 53. Ke2 {Droht Lg2.} Kh3 54. Bf3 Kh2 55. Kf1 {Lg2 ist eine echte Drohung.} Kh3 56. Kg1 {Schwarz muss nun Kf1 beachten.} Kh4 $1 57. Kg2 {Und weiter mit Le2 wäre nett.} Kg5 58. Kf1 {und nun wäre Lb7 stark für Weiss.} Kh4 59. Bg2 {Weiss will Ld5 spielen.} Kg5 60. Ke1 {Mit der Idee La8.} Kf5 61. Kd2 {Droht Ke2 und aus.} Kg5 62. Kd3 $1 {[%cal Rd3d4]} Kf5 $2 {[%mdl 8192]} (62... Kh5 $11 63. Kd4 Kg5) 63. Kd4 {Weiß setzt Matt.} Kg5 {[#]} 64. Ke5 $1 Kg4 65. Ke4 Kg5 {[#]} 66. Bf3 $1 Kh4 67. Kxf4 Kh3 68. Ke3 g2 {[#]} 69. Bxg2+ $1 {[%mdl 512] Precision: Weiß = 51%, Schwarz = 60%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Sengupta, Deep"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2587"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,0,0,0,0,0,0,0,0,0,0,0,0,95,0,0,0,17,8,29,19,11,5,28,13,18,-14,-8,-12,0,0,0,0,0,0,0,0,0,-8,0,0,0,-59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd3 O-O 10. O-O Nbd7 11. Nd5 Bxd5 12. exd5 Ne8 {B92: Sicilian Najdorf: 6 Be2} 13. c4 Bg5 14. Bxg5 Qxg5 15. Na5 b6 16. Nc6 a5 {[#]} 17. Qa3 $146 ({Predecessor:} 17. b3 f5 {0-1 (58) Li,C (2755)-Giri,A (2790) Stavanger 2016}) 17... Rc8 {[#]} (17... f5 $11 {keeps the balance.}) 18. b4 (18. Bg4 $1 $16 {[%cal Rg4d7]} f5 19. Qe3 Qxe3 20. fxe3) 18... axb4 $11 19. Qxb4 f5 20. a4 Rf7 21. a5 bxa5 22. Rxa5 e4 23. Kh1 f4 24. f3 e3 25. Rfa1 Qf6 26. Qb7 Rc7 27. Qb1 g6 28. Ra8 Rf8 29. g3 Nc5 30. Rb8 {Threatening Raa8.} Nd7 31. Rba8 Ng7 32. Qe4 (32. Rxf8+ $11 Qxf8 33. Ra5) 32... Nc5 (32... fxg3 $15 33. hxg3 Nf5) 33. Qxf4 {The position is equal.} (33. Qd4 {looks sharper.} Qxd4 34. Nxd4 Rcf7 35. Kg2 Rxa8 36. Rxa8+ Rf8 37. Rxf8+ Kxf8 38. gxf4 Nf5 39. Nb5) 33... Qxa1+ 34. Rxa1 Rxf4 35. gxf4 Nf5 36. Kg1 Rb7 37. Ra8+ Kg7 {[#] Hoping for ...Rb2.} 38. Ra7 Rxa7 39. Nxa7 Kf6 40. Nb5 g5 {Precision: White = 65%, Black = 55%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Pridorozhni, Aleksei"]
[Black "Bellaiche, Anthony"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2565"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,81,27,56,12,13,25,14,15,19,25,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-2,18,13,12,0,0,0,96,99,129,41,398,379,1474,1387,1481,1434,7730,7793,7843,7843,7951,7951,7487,7139,6009,843,6095,6095,29982,29982,29980,8361]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 Nc6 7. O-O Be7 8. c4 Qd8 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Nc3 O-O 12. a3 e5 {LiveBook: 3 Games. B22: Sicilian: 2 c3} (12... b6 13. b4 Be7 14. Bf4 Bb7 15. Nb5 Rfd8 16. Bc7 Rxd1+ 17. Rxd1 Ne8 18. Bg3 f6 19. Nfd4 Nxd4 20. Nxd4 Kf7 21. c5 Bd5 {1-0 (52) Rublevsky,S (2688)-Zhou,J (2668) Ningbo 2010}) 13. b4 Bd4 $1 {[%cal Rd4c3]} 14. Nxd4 Nxd4 {White has an edge.} 15. Bd3 $146 ({Predecessor:} 15. Be3 Nc2 16. Rac1 Nxe3 17. fxe3 Bg4 18. Bf3 Rae8 19. Nd5 Nxd5 20. cxd5 Bxf3 21. gxf3 {½-½ (60) Chrzaszcz,M (2059)-Wisniowska,K (2165) Suchedniow 2012}) 15... Be6 16. Be3 Rfd8 17. Bxd4 (17. Rac1 {with more complications.} a5 18. b5 Rac8 19. Na4 h6 20. Nb6) 17... Rxd4 18. Be2 Bxc4 19. Rxd4 exd4 20. Bxc4 {[#] And now Nb5 would win.} dxc3 $11 {[%mdl 4096] Endgame KRB-KRN} 21. Rc1 Rc8 22. Rxc3 Kf8 {Hoping for ...b5!} 23. Rc2 $1 Ne4 24. Bd3 Rxc2 25. Bxc2 {KB-KN} Nd2 26. Bd3 ({But not} 26. Bxh7 $2 g6 $19) 26... Ke7 27. f4 ({Don't go for} 27. Bxh7 $2 g6 $17) 27... Kd6 28. Bxh7 Kd5 (28... g6 $11 {remains equal.}) 29. h4 $16 b5 {[#]} 30. h5 ({White should try} 30. g3 $1 $16) 30... Nc4 $2 {[%mdl 8192]} ({Better is} 30... Ne4 $1 $14) 31. g4 $18 {[%cal Bg2g4,Bg4g5,Bg5h6,Bh6h7][%mdl 32]} Nxa3 $2 (31... f6 32. g5 Ke6 33. Bg8+ Ke7 34. Bxc4 bxc4) 32. g5 Nc4 33. Bd3 Nd6 34. h6 gxh6 35. gxh6 f5 36. h7 Nf7 37. Bxf5 Nh8 38. Kf2 Kc4 39. Ke3 Kxb4 40. Kd4 Ka3 41. Kd3 {Precision: White = 73%, Black = 42%.} (41. Ke5 $142 b4 42. Kf6 Kb3 43. Kg7 Kc3 44. Kxh8 Kd4 45. Bg6 b3 46. Kg8) 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Timofeev, Artyom"]
[Black "Vokhidov, Shamsiddin"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2549"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-8,11,16,14,12,29,21,23,25,28,38,37,35,20,11,13,25,6,6,10,10,18,22,18,18,21,13,24,25,21,19,30,14,20,14,17,8,14,19,20,11,20,4,13,6,22,0,8,0,14,0,0]} 1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. c3 Nc6 5. Nd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} e5 6. dxe5 {D00: 1 d4 d5: Unusual lines} Nxe5 7. Ngf3 Nxf3+ 8. Nxf3 {White has an edge.} Be7 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Ne5 Qe6 $146 ({Predecessor:} 11... Qf5) 12. Qa4+ Nd7 $1 13. Bxe7 Qxe7 14. Nxd7 Qxd7 15. Qf4 Qe6 16. O-O O-O 17. Rfd1 Rfd8 18. Rd2 Rd7 19. Rad1 Rad8 20. h3 h6 21. a3 b6 {The position is equal.} 22. Rd3 Qc6 23. R1d2 Qe6 24. Qa4 Qe7 25. Qd1 {[%cal Rd3d5]} Qe6 26. b3 Qe5 27. Qg4 Rd6 28. Qd1 R6d7 29. Qg4 Rd6 30. Qd1 R6d7 {Precision: White = 52%, Black = 59%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Triapishko, Alexandr"]
[Black "Moiseenko, Vadim"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2508"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,42,36,17,33,30,15,9,3,8,7,6,11,-4,10,15,20,0,0,0,0,0,0,0,0,-12,-1,-12,0,-6,-9,-14,-16,-22,-18,-27,-25,-23,-23,-22,-30,-47,-6,-7,-7,-72,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Be7 6. c3 O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6... a6 7. Ba4 O-O 8. Nbd2 Nd7 9. d4 Bf6 10. Bxc6 bxc6 11. Nc4 exd4 12. cxd4 a5 13. Re1 Nb6 14. Qc2 Nxc4 15. Qxc4 Bd7 16. Bf4 Re8 {½-½ (42) Navara,D (2737)-Ivanchuk,V (2738) Prague 2017}) 7. Re1 Bg4 8. Nbd2 a6 {LiveBook: 5 Games. White is slightly better.} 9. Bxc6 bxc6 10. h3 Bh5 11. Nf1 Nd7 12. Ng3 Bxf3 13. Qxf3 Bg5 $146 ({Predecessor:} 13... c5 14. Nf5 Kh8 15. d4 {0-1 (56) Naroditsky,D (2335)-Rensch,D (2399) Philadelphia 2009}) 14. d4 Bxc1 15. Raxc1 Qg5 16. Rc2 g6 17. Nf1 a5 18. Qe3 Qf6 19. dxe5 Qxe5 20. f4 Qe6 21. c4 a4 22. Qc3 Qf6 23. Qxf6 Nxf6 24. e5 Rfe8 25. Rce2 dxe5 26. Rxe5 Reb8 27. R1e2 Rb4 28. Ne3 Kf8 29. a3 Rb3 {Hoping for ...Nd7.} 30. Ng4 {[#]} (30. Rd2 $11 {remains equal.}) 30... Nxg4 (30... Nh5 $1 $17 31. f5 Ng3) 31. hxg4 $17 {[%mdl 4096] Endgame KRR-KRR. The position is equal.} Rab8 32. Re7 Rxb2 33. Rxb2 Rxb2 34. Rxc7 $11 {KR-KR} Rb3 35. Rxc6 Rxa3 36. Ra6 Ra1+ 37. Kh2 a3 38. c5 a2 39. g3 Rc1 40. Rxa2 Rxc5 {Precision: White = 56%, Black = 63%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Lomasov, Semen"]
[Black "Alekseenko, Kirill"]
[Result "0-1"]
[ECO "B69"]
[WhiteElo "2490"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,76,20,36,17,24,-47,9,-42,-37,-31,-19,-18,-4,-71,-68,-101,-87,-95,-85,-89,-92,-119,-95,-98,-80,-167,-134,-185,-127,-189,-163,-153,-134,-155,-132,-189,-172,-631,-602,-937,-936,-908,-855,-29974,-29974,-29988,-29989,-29989,-29990]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 11. Bxf6 gxf6 12. Kb1 Qb6 13. Bd3 b4 {B69: Sizilianisch (Richter/Rauser-Angriff)} 14. Ne2 a5 15. f5 Qc5 {LiveBook: 4 Partien. Die Stellung ist ausgeglichen.} 16. Rc1 (16. Nf4 a4 17. Rhe1 Bd8 18. b3 Qc3 19. Bb5 axb3 20. cxb3 Qxd2 21. Rxd2 {1-0 (32) Timofeev,A (2536)-Alekseenko,K (2513) Samara 2015}) 16... Ne5 $146 ({Vorgänger:} 16... a4 17. c3 b3 18. a3 e5 19. Qh6 Na5 20. c4 Bc6 21. Ng3 {½-½ (31) Grushevsky,A (2200)-Klovsky,R (2200) Riga 1975}) 17. Ned4 (17. Rhd1 $11) 17... Rb8 (17... a4 $15) 18. c4 ({Besser ist} 18. Nxe5 $11 dxe5 19. fxe6 fxe6 20. Nb3) 18... a4 $15 19. Rhd1 Nxf3 (19... O-O {seems wilder.} 20. Be2 b3 21. a3 Kh8 22. h3 Rg8) 20. Nxf3 h5 21. Rf1 (21. fxe6 $11 {bleibt in der Remisbreite.} fxe6 22. Rf1) 21... e5 $17 22. g3 Bf8 {[%cal Be7f8,Bf8h6,Bh6g5,Bg5e3,Be3f4][%mdl 32]} 23. Qe2 Bh6 24. Rcd1 Ke7 25. Nh4 Bc6 26. Rfe1 Rbg8 27. Ng2 (27. Nf3 $17 {ist wohl besser.}) 27... Bg5 28. Rh1 (28. Ne3 $17) 28... Bb7 ({Lieber} 28... a3 $19 29. b3 h4 30. gxh4 Bxh4) 29. Ne1 (29. Bc2 $17) 29... h4 $19 30. gxh4 Be3 ({Jedoch nicht} 30... Rxh4 31. Nf3 $15) 31. Nc2 Bf4 {[%mdl 1024] Schwarz hat starke Kompensation.} 32. b3 (32. h5 $17) 32... Ra8 {[#] Und weiter mit ...axb3 wäre nett.} 33. Kb2 $2 (33. Na1) 33... Qa7 {Droht ...axb3 und aus.} (33... axb3 34. axb3 Rxh4 35. Qe1 $17) 34. Ra1 {Falls Weiss jetzt zu a3 käme, bestünde noch etwas Hoffnung.} a3+ ({Schwächer ist} 34... Rxh4 35. a3 $17) 35. Kb1 Rxh4 {zielt auf ...Tah8 ab.} 36. Ne1 Rg8 {Schwarz setzt Matt.} 37. Kc2 Qd4 38. Rb1 Rh3 {Precision: Weiß = 24%, Schwarz = 62%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Lugovskoy, Maxim"]
[Black "Vorobiov, Evgeny E."]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2474"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,78,-4,0,0,0,9,8,0,8,4,18,0,0,0,0,-10,-10,-7,0,0,14,0,-4,-20,-25,-39,-44,-39,-35,-45,0,0,3,8,15,10,39,41,41,19,45,-19,-10,-15,-26,-58,-54,-50,-27,-22,0,0,0,-47,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 Nxb3 11. Qxb3 e6 12. Nxe5 exd5 13. Be3 {B22: Sicilian: 2 c3} Bd6 14. Qb5+ Kf8 15. Nf3 Bd7 16. Qb3 Bc6 17. Rd1 $146 ({Predecessor:} 17. O-O Nc4 18. Bd4 f6 19. Rad1 Kf7 20. Qc2 g6 {½-½ (44) Palkovi,J (2415)-Szekely,F (2200) Zalakaros 2005}) 17... h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 18. O-O h4 19. Nb5 h3 {[#] ...hxg2 is the strong threat.} 20. g3 Nc4 21. Nxd6 Qxd6 22. Bd4 f6 23. Qc2 {[#] And now b3 would win.} Qd7 24. Qg6 Rh6 25. Qd3 Kf7 26. Rfe1 b6 27. Bc3 Re8 28. Rxe8 Qxe8 29. Re1 Qc8 30. b3 {[%mdl 1024] White has compensation.} Nd6 $1 31. Nd4 {aiming for Bd2.} Bd7 $1 32. Bb4 (32. Bd2 $14 Rh5 33. Bf4) 32... Ne4 $11 33. Nb5 Rh5 34. Nd4 {[%cal Bb5d4,Bd4f3,Bf3h4][%mdl 32]} a5 35. Ba3 Re5 36. Nf3 Rf5 37. Nh4 $1 {[%cal Rh4f5]} (37. g4 $2 Rf4 $19) 37... Re5 38. Nf3 Rf5 39. Nh4 ({Don't go for} 39. g4 $2 Rf4 $19) 39... Re5 {Precision: White = 58%, Black = 63%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Yakubboev, Nodirbek"]
[Black "Paravyan, David"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2437"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,66,0,8,11,0,12,13,18,9,33,13,34,39,29,10,14,0,57,49,73,73,77,0,26,0,0,0,0,0,23,0,0,0,35,37,64,-37,-29,-22,-30,-35,-17,-153,-183,-156,-181,-627,-596,-610,-577]} 1. d4 Nf6 2. Bg5 c5 3. Bxf6 exf6 4. Nc3 d5 5. e3 Be6 6. Nge2 {D01: Veresov Opening} Nc6 7. g3 cxd4 8. exd4 Bd6 (8... Bb4 9. Bg2 Bxc3+ 10. Nxc3 Qb6 11. Qd2 O-O 12. O-O-O Rfd8 {1-0 (57) Van Wely,L (2650)-Van Kampen,R (2637) Netherlands 2015}) 9. Bg2 Ne7 10. Qd2 {LiveBook: 3 Games} O-O 11. O-O Qb6 $146 ({Predecessor:} 11... Rc8 12. Nd1 h5 {½-½ (31) Alonso Rosell,A (2535)-Aroshidze,L (2531) Sabadell 2014}) 12. Nd1 Rac8 13. c3 Qc7 14. Nc1 b5 15. Nd3 a5 16. Ne3 f5 17. f4 Qb6 (17... b4 $11) 18. a3 $14 a4 19. Nb4 {[%cal Re3d5]} Qb7 20. b3 (20. Rac1 $16) 20... Bxb4 21. axb4 axb3 22. Qb2 Qc6 23. Rfc1 Ra8 24. Qxb3 Rxa1 25. Rxa1 Rc8 26. Nd1 Qc7 27. Ra3 ({White should play} 27. Qa2 $14) 27... g5 $1 $15 28. Qa2 gxf4 29. Qf2 Ng6 30. Nb2 (30. gxf4 $11 Nxf4 31. Qg3+ Kh8 32. Qh4) 30... fxg3 $17 31. hxg3 f4 32. g4 $2 {[#]} (32. gxf4 Nxf4 33. Qg3+ Kh8 34. Qh4) 32... Qe7 33. Nd3 Qg5 {Precision: White = 40%, Black = 56%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Bystrov, Sergey V"]
[Black "Kobo, Ori"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2302"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,0,-4,0,0,0,-3,0,-10,0,-1,6,0,0,0,19,18,4,21,39,7,11,0,15,12,19,27,48,13,33,29,27,20,7,24,29,0,0,0,0,-7,68,55,33,20,46,44,108,132,351,342,352,365,755,347,347,347,379,347,347,311,323,345,345,334,417,414,397,388,388,386,381,373,372,370,362,358,579,539,650,649,625,621,745,730,716,706,649,643]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Damenindisch (Bogoljubow-Variante)} (6... d5 7. e5 Nfd7 8. Bd3 c5 9. Qc2 h6 10. O-O Nc6 11. Nb3 a5 12. Bf4 b6 13. Rfe1 dxc4 14. Bxc4 a4 15. Nbd2 Bb7 {½-½ (37) Bluebaum,M (2643)-Anand,V (2783) Germany 2017}) 7. Be2 a5 8. b3 e5 9. Bb2 exd4 10. Nxd4 {LiveBook: 3 Partien} Nfd7 11. Qc2 Bf6 $146 ({Vorgänger:} 11... Nc6 12. Rd1 Bf6 13. N2f3 Re8 14. O-O Nxd4 15. Nxd4 {1-0 (68) Abasov,N (2575)-Usmanov,V (2443) Minsk 2017}) 12. O-O Re8 13. Rfe1 Nc5 14. Bf1 Bd7 15. Rad1 Nc6 16. N2f3 Nxd4 17. Bxd4 Bxd4 18. Nxd4 Qf6 19. f3 (19. Nb5 $5 {[%cal Rb5c7]} Bxb5 20. cxb5 $11) 19... h5 20. Qf2 g6 21. h4 Re7 22. Rd2 Rae8 23. Red1 Kh7 24. b4 axb4 25. axb4 Ne6 26. Ne2 {[%cal Bd4e2,Be2c3,Bc3d5][%mdl 32]} Ra8 27. c5 Ba4 28. Rc1 dxc5 29. Nc3 $36 {[%mdl 2048] Weiss hat Initiative.} Ree8 (29... c6 $11 30. bxc5 Qe5) 30. Nd5 $1 $14 {[%cal Rd5f6]} Qg7 $1 31. bxc5 Bc6 32. f4 Red8 (32... f5 $14) 33. f5 $16 gxf5 $2 (33... Nf8 $16) 34. Qxf5+ $18 Qg6 {Mit der Idee ...Dxf5.} 35. Qe5 Nf8 $2 (35... Bxd5 36. exd5 Ng7) 36. Rf2 (36. Nf6+ $142 Kh8 37. Rf2) 36... Nd7 37. Qxc7 Re8 38. Rc3 Rac8 39. Qf4 Rxe4 {[#]} 40. Qxe4 $1 {[%mdl 512]} Qxe4 41. Bd3 Qxd3 42. Rxd3 Nxc5 43. Nf6+ Kh6 44. Rg3 {[#] Weiss droht Tf5 und Matt.} Ne4 45. Nxe4 Bxe4 46. Rxf7 {[%mdl 4096] Endspiel KTT-KTL} Rc6 47. Re7 Rc1+ $2 (47... Bg6 {kämpft weiter.} 48. Rb3 Bc2) 48. Kh2 {Weiß steht klar auf Gewinn.} Rc4 49. Re6+ Kh7 50. Rg5 Bc6 51. Rxh5+ Kg7 52. Rg5+ Kf7 53. Rh6 {Precision: Weiß = 69%, Schwarz = 41%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Gogin, Maksim"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2296"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,4,25,26,47,5,22,15,7,16,9,-7,-4,-6,-9,0,-8,-20,-14,-31,-34,-18,-28,-35,-26,-34,-25,-62,-55,-53,-65,-67,-45,-60,-39,-64,-53,-53,-40,-48,-45,-49,-44,-59,-22,-27,-35,-183,-166,-175,-168,-328,-320,-320,-327,-538,-527]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Qb3 a5 (5... c5 6. dxc5 Nc6 7. Bg5 Qa5 8. Bxf6 dxc4 9. Qxc4 gxf6 10. Rc1 Qxc5 11. Qf4 Ke7 12. g3 e5 13. Qh6 Bxc3+ 14. bxc3 {1-0 (42) Wang,H (2680)-Vidit,S (2687) Chengdu 2017}) 6. Bg5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} c5 $146 ({Predecessor:} 6... Nc6 7. a3 a4 8. Qc2 Bxc3+ 9. Qxc3 O-O 10. e3 Na5 11. cxd5 exd5 12. Bd3 Nb3 13. Rb1 {½-½ (129) Kryakvin,D (2572)-Shyam,S (2535) Voronezh 2017}) 7. dxc5 {Black should prevent a3.} Na6 8. cxd5 {The position is equal.} Nxc5 9. Qc2 Qxd5 10. Bd2 Bxc3 11. Bxc3 Nce4 12. e3 Bd7 13. Bd4 a4 {aiming for ...Rc8.} 14. Bd3 Rc8 15. Qe2 Qa5+ 16. Kf1 Nc5 17. Bc3 Qb6 18. Ne5 Nxd3 19. Nxd7 Nxd7 20. Qxd3 Nc5 21. Qd4 f6 22. h4 O-O 23. h5 h6 24. Rh4 Rfd8 25. Qg4 {White wants to play Bxf6.} e5 26. Qf5 {[#]} a3 $1 {[%mdl 512]} 27. bxa3 Nd3 28. Bb4 (28. Be1 $1 $15) 28... Rc2 $19 29. Be1 Qc6 $1 $36 {[%mdl 2048] Black is really pushing.} ({Don't take} 29... Nxe1 30. Rxe1 Rdd2 31. Kg1 $17) 30. Rd1 $2 {[#]} (30. Kg1) 30... Rc1 $1 {[%cal Rc1d1]} 31. Rxd3 Qa6 32. Ke2 $2 {[#]} (32. Ra4 {was the only defense.} Qxd3+ 33. Qxd3 Rxd3 34. Ke2) 32... Rxd3 $1 {Precision: White = 35%, Black = 78%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Sjugirov, Sanan"]
[Black "Geller, Jakov"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2650"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,77,13,12,-2,0,0,4,0,29,0,8,3,28,31,48,55,55,50,51,53,44,43,41,22,25,13,20,12,20,28,38,14,73,55,104,94,195,187,168,171,169,115,79,116,235,224,184,111,370,370,370,349,346,370,365,340,533,518,481,437,552,553]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nh4 Bg4 {A07: Réti Opening: New York and Capablanca Systems} 7. h3 Bh5 8. Qe1 Be7 9. f4 O-O {LiveBook: 4 Games} (9... Nfd7 10. Nf3 Bxf3 11. Bxf3 O-O 12. e4 dxe4 13. dxe4 e5 14. Nd2 {0-1 (41) Nisipeanu,L (2672)-Wojtaszek,R (2737) Antalya 2017}) 10. Nd2 a5 $146 ({Predecessor:} 10... Ne8 11. Nhf3 Bxf3 12. Nxf3 Nd7 {1-0 (42) Rabineau,C (2270)-Carre,S (2150) Paris 2012}) 11. Ndf3 Bxf3 12. Nxf3 a4 13. a3 Na6 14. Kh1 b5 15. g4 Nd7 16. e4 dxe4 17. dxe4 e5 18. f5 f6 19. Bd2 Nb6 20. Rd1 Nc4 21. Bc1 Qc7 22. Qg3 Rad8 23. Rde1 Nc5 24. h4 Rd7 (24... Nd6 $11 {remains equal.}) 25. g5 $16 Rfd8 26. Rg1 Nd6 (26... Rf8 $16 {was necessary.}) 27. Nh2 $1 $18 Nc4 28. Ng4 $1 {Strongly threatening gxf6.} Kh8 {[#]} 29. gxf6 (29. h5 $1 $18) 29... Bxf6 $16 30. h5 Nd2 (30... Rd4 $16) 31. Nxf6 gxf6 {[#]} 32. Qh4 ({White should play} 32. Qf2 $1 $18) 32... Rf8 $2 {[%mdl 8192]} (32... Rd6 $16) 33. Qf2 $1 $18 {[%csl LRc5,LRd2]} Qd6 34. Bxd2 $1 Qxd2 35. Qxc5 {[%cal Rc5f8]} Rg8 36. Qe3 ({Less strong is} 36. Qxc6 Rxg2 37. Qc8+ (37. Qxf6+ Rdg7 $11) 37... Rd8 $16) 36... Rg5 (36... Rg4 {is a better defense.} 37. h6 c5) 37. Bf3 {White is clearly winning.} Rxg1+ 38. Qxg1 Rg7 39. Qe3 {Precision: White = 72%, Black = 39%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Sethuraman, S P"]
[Black "Triapishko, Alexandr"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2632"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,91,67,43,43,35,50,28,153,27,57,26,69,69,100,95,104,53,146,174,177,172,157,44,84,87,86,80,84,76,168,173,271,257,310,290,291,288,622,613,571,247,275,252,353,301,1052,1043,937,895,943,646,652,643,628,629,840,818,835,849,1090,1073,29987,29988,29989,29990,29992,29993]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Be3 c5 7. Nge2 Nc6 8. d5 Ne5 9. Ng3 e6 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} 10. Be2 b5 11. Nxb5 exd5 12. cxd5 Rb8 13. Qd2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 14. O-O {LiveBook: 3 Games} h4 15. Nh1 h3 $1 16. Ng3 {[#]} Bd7 $146 (16... Qd7 $11) ({Predecessor:} 16... hxg2 17. Kxg2 {½-½ (53) Sasikiran,K (2640)-Ding,L (2749) Danzhou 2015}) 17. Nc3 ({Resist} 17. Nxa7 $6 Qb6 $14) (17. Nxd6 $16 Ne8 18. Nxe8 (18. Bxc5 Nxd6 19. b3 Rc8 $15) 18... Rxe8 19. Rab1) 17... Rb4 18. b3 Kh7 19. Bg5 {Threatens to win with f4.} hxg2 20. Kxg2 Qc8 21. Rfc1 (21. Kh1 $16) 21... Nh5 ({Black should try} 21... Rh8 $14) 22. Nxh5 $16 gxh5 23. Kh1 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 24. Rf1 (24. Be7 $16) 24... Rd4 25. Qe3 $36 {[%mdl 2048] White has strong initiative.} Ng6 26. Bc4 f4 {[#]} 27. Qe1 $1 Ne5 (27... Qe8 $16) 28. Ne2 $18 Nxc4 (28... Ng6 {keeps fighting.} 29. Rb1 (29. Nxd4 Bxd4 30. Qd2 Bh3 $18) 29... Bh3) 29. bxc4 Rxc4 {[#]} 30. Rb1 $1 Qe8 31. Nxf4 ({Less strong is} 31. Bxf4 Rxe4 32. fxe4 Qxe4+ 33. Kg1 Bg4 $14) 31... Qe5 $2 (31... Be5) 32. Qh4 Bg4 33. fxg4 (33. Nxh5 $142 {White wants to mate with Nf6+.} Bxh5 34. Qxh5+ Kg8 35. Rb7 Rxe4 36. Rg1) 33... Qxe4+ 34. Ng2 Rxf1+ 35. Rxf1 Rc2 $2 (35... Qxg4 36. Qxg4 Rxg4) 36. Qxh5+ Kg8 37. Qf7+ Kh8 38. Qf3 Qxf3 39. Rxf3 Rxa2 {intending ...Ra1+.} 40. Nf4 Bd4 41. Ne6 Ra1+ 42. Kg2 Ra2+ 43. Kh3 Be5 44. Bf6+ {White mates.} Bxf6 45. Rxf6 c4 46. g5 {Precision: White = 57%, Black = 18%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Predke, Alexandr"]
[Black "Lugovskoy, Maxim"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2601"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,2,26,28,0,36,0,93,73,136,127,126,122,135,134,138,135,441,432,422,436,436,461,451,423,445,462,1315,1303,29980,29980,29974,29975,1866,1188]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (6... Nc6 7. Be3 Be7 8. Qd2 a6 9. a3 b5 10. Bd3 Bb7 11. O-O O-O 12. Kh1 f5 13. Qf2 Rc8 14. Rg1 b4 15. axb4 Nxb4 16. g4 g6 17. gxf5 Nxd3 18. cxd3 Rxf5 {0-1 (40) Kasparov,G (2812)-Caruana,F (2807) Saint Louis 2017}) 7. Be3 b6 8. Qd2 O-O 9. h4 Nc6 10. h5 {LiveBook: 6 Games} cxd4 11. Nxd4 Nxd4 12. Bxd4 Nc5 $146 (12... Bh4+ $1 $11 {keeps the balance.} 13. Ke2 h6) ({Predecessor:} 12... Bh4+ 13. Kd1 Be7 14. Bd3 {½-½ (36) Konguvel,P (2379)-Hoffman,A (2467) Pontevedra 2016}) 13. O-O-O $16 b5 ({Black should try} 13... f5) 14. Nxb5 Ne4 15. Qe3 Qa5 16. Kb1 Rb8 17. Nc3 Nc5 $2 {[%mdl 8192] [#]} (17... Nxc3+ $16 {is tougher.} 18. Qxc3 (18. Bxc3 Qa3 $16) 18... Qxc3 19. Bxc3 Bc5) 18. f5 $1 $18 {[%cal Bf4f5,Bf5f6][%mdl 544]} Rd8 {[#]} (18... exf5 19. Nxd5) 19. f6 $1 {[%cal Rf6e7]} Bf8 20. fxg7 Be7 21. Rh3 Rd7 22. b3 Rdb7 (22... Ba6 $142 23. h6 Rc8) 23. Bxc5 Bxc5 24. Qh6 Qa3 {[#]} 25. Ne4 $1 {[%cal Re4f6][%mdl 512]} Be7 (25... dxe4 26. Rd8+) 26. Nd2 {Precision: White = 95%, Black = 43%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Alekseenko, Kirill"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2563"]
[BlackElo "2696"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,139,0,0,0,4,11,0,0,0,13,16,18,11,50,0,0,0,0,9,18,12,33,10,19,16,49,35,38,41,62,60,61,68,72,72,75,77,71,56,68,62,58,45,86,58,90,70,68,62,60,24,33,23,40,35,71,84,72,58,102,103,100,108,102,102,102,102,102,102,102,106,102,102,97,98,98,63,221,179,303,310,377,356,504,162,250,235,307,239,288,300,520,510,668,464,1777,1579,1677,1378,12836,12837,12837,12837,12838,12838,12839,12839,12839,12840,12840,12841,12841,12841,12843,12843,12844,12844,12845,12842]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 d6 7. O-O Nf6 8. Be3 Be7 9. f4 O-O 10. a4 Bd7 11. Nb3 e5 12. Kh1 {LiveBook: 5 Games} exf4 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} 13. Bxf4 Be6 (13... Ne5 14. Qe1 Rc8 15. Rd1 Qc7 16. Qg3 Bc6 17. Qe3 b5 18. axb5 axb5 19. Nd4 b4 20. Ncb5 Bxb5 21. Bxb5 Nh5 {½-½ (48) Djukic,N (2512)-Trkulja,G (2320) Zenica 2014}) 14. Qd2 $146 ({Predecessor:} 14. Bf3 Qd7 15. Nd5 Bxd5 16. exd5 Ne5 {1-0 (47) Cardani,R (1854)-Gagliani,S (1698) Ceriano Laghetto 2006}) 14... d5 {The position is equal.} 15. e5 Ne4 16. Nxe4 dxe4 17. Qe3 Bxb3 18. cxb3 Qd4 19. Qg3 Qxb2 20. Bc4 Rad8 21. Rae1 Qd4 22. Re2 Kh8 23. Qe1 f5 24. exf6 $1 Bxf6 25. Rxe4 Qc3 26. Bc7 Qxe1 27. Rfxe1 Bc3 28. Bxd8 {Re8 is the strong threat.} Bxe1 29. Bb6 Ba5 30. Be3 Rd8 31. g3 h6 32. Kg2 Bc7 33. Be2 Kg8 34. h4 Be5 35. Kh3 Kf7 36. h5 Kf6 37. Bb6 Rd2 38. Bc4 Ne7 39. Re1 Nd5 40. Ba5 Rd4 41. Bd8+ Kf5 {[#]} 42. g4+ $1 {[%mdl 512]} Kf4 (42... Rxg4 43. Bd3+) 43. Bh4 Bf6 {[#]} 44. Bg3+ $1 Kf3 45. Be2+ Ke3 46. Bxa6+ $1 Kd2 47. Bxb7 {Strongly threatening a5.} Nf4+ 48. Kh2 Ne2 49. Bf2 Rf4 $2 (49... Be5+ $1 $14 50. Kg2 Rxg4+ 51. Kf1 Ng3+ 52. Bxg3 Bxg3) 50. Rf1 $18 Be5 {[#]} (50... Bh4 $142) 51. Kh3 $1 Kc2 52. a5 Rb4 (52... Ng1+ {was worth a try.} 53. Kg2 (53. Bxg1 Rxf1 54. Bc5 Bb8 $16) (53. Rxg1 Rxf2 54. g5 Rh2+ 55. Kg4 Bd4 $18) 53... Rxg4+ 54. Kh1 Ne2) 53. Bb6 $2 (53. a6) 53... Rxb3+ (53... Nf4+ $142 54. Kh4 Rxb3) 54. Kg2 {And now Rf2 would win.} Nf4+ 55. Kh1 {aiming for a6.} Rh3+ 56. Kg1 Rg3+ $2 (56... Kd2 57. Rb1 Ra3) 57. Kf2 {White is clearly winning.} Nd3+ 58. Ke2 {Threatens to win with Be4.} Nf4+ {[#]} (58... Nb4 $142 59. a6 Nxa6 60. Bxa6 Rxg4 61. Bd3+ Kc3 62. Rc1+ Kb3 63. Rb1+ Bb2) 59. Rxf4 $1 {[%mdl 512]} Bxf4 {[%mdl 4096] Endgame KRB-KB} 60. a6 Bb8 61. Bf3 ({Less strong is} 61. a7 Bxa7 62. Bxa7 Rxg4 $16) 61... Rh3 62. a7 Rh2+ 63. Ke3 Bxa7 64. Bxa7 Rd2 65. Bd4 Rd3+ 66. Ke4 Ra3 67. Bxg7 Ra6 68. Kf4 Kd3 69. Be4+ Kc4 70. Bg6 {Precision: White = 71%, Black = 47%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Vorobiov, Evgeny E"]
[Black "Liu, Yan"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2555"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,106,28,40,30,49,26,24,14,23,5,3,8,9,4,2,6,3,2,13,0,0,0,12,10,19,15,20,0,41,40,37,38,45,19,17,21,27,17,17,17,17,17,22,17,34,33,28,36,37,15,23,15,15,15,15,8,8,8,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. e4 c5 11. d4 d6 12. b3 Nd7 {LiveBook: 3 Games} 13. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4} Qc7 14. Rc1 $146 (14. d5 {feels hotter.} Rad8 15. Nd2 Bf6 16. Bxf6 Nxf6 17. f4) ({Predecessor:} 14. d5 e5 15. Nd2 Bf6 16. f4 exf4 17. Bxf6 Nxf6 18. gxf4 Rae8 19. Nf1 Bc8 20. Ng3 Kh8 21. Qd2 Ng4 22. h3 {½-½ (22) Levin,F (2472)-Garcia Palermo,C (2450) Benasque 2010}) 14... Bf6 15. Qe2 {White has an edge.} Rad8 16. e5 dxe5 17. dxe5 Be7 18. Nd2 Bxg2 19. Kxg2 Nb8 20. Rcd1 Nc6 21. Nf3 Rxd1 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. Bc3 Qd7 25. Qe4 f5 26. exf6 Bxf6 27. Bd2 Ne7 28. Bf4 Qc6 29. Nd2 Kf7 30. f3 (30. g4 {keeps more tension.} Qxe4+ 31. Nxe4 Nc6 32. Bd2 Be7 33. Nc3) 30... Qxe4 31. Nxe4 $11 {[%mdl 4096] Endgame KBN-KBN} Nc6 32. Bd2 Ke7 33. g4 Bd4 34. Ng5 h6 35. Ne4 a6 36. h4 Kd7 37. h5 b5 {The position is equal.} 38. cxb5 axb5 39. Kf1 Ne5 40. Ke2 Kc6 41. Be3 Kd5 42. Bxd4 cxd4 {KN-KN} 43. a4 bxa4 44. bxa4 {[#]} Nxg4 $1 {[%mdl 512]} 45. a5 (45. fxg4 Kxe4) 45... Ne5 46. a6 {Strongly threatening a7.} Nc6 47. Kd2 e5 48. Ke2 Ke6 49. Nc5+ Kf5 50. Nd3 Na7 51. Kd2 Nc6 52. Ke2 Na7 53. Kd2 Nc6 {Precision: White = 61%, Black = 71%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Paravyan, David"]
[Black "Gordievsky, Dmitry"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2548"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,139,8,4,12,8,22,45,17,29,0,28,0,71,20,20,0,43,42,35,29,83,69,79,41,55,53,33,29,35,-12,-17,-24,-24,-24,-12,-7,-33,-15,-36,-39,-39,-31,-39,-48,-35,-39,-45,-46,-35,-48,-34,-37,0,0,0,0,0,-15,-23,-136,-133,-122,-86,-86,-81,-81,-81,-84,-80,-87,-78,-86,-83,-82,-62,-67,0,-81,-59,-64,-58,-89,-40,-41,0,-86,-79,-97,-97,-111,-77,-98,-51,-57,-57,-75,-66,-61,-65,-62,-12,-12,-12,-35,-35,-35,-35,-36,-38,-52,-39,-98,-6,-6,0,-19,0,0,0,0,0,0,0,0,0,0,495,339,29964,29965,29980,29981]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c3 Be7 (5... d6 6. c4 Nf6 7. Nc3 a6 8. Be2 Be7 9. O-O O-O 10. Be3 Qc7 11. Rc1 Ne5 12. f4 Ned7 13. Bf3 Re8 14. Qd2 Bf8 15. Kh1 Rb8 16. g4 e5 17. Nf5 exf4 18. Bxf4 Ne5 19. Bxe5 Rxe5 {1-0 (32) Paravyan,D (2428)-Reshetnikov,A (2498) Moscow 2014}) 6. Be2 {B44: Sizilianisch (Paulsen/Taimanow-Variante)} Qc7 $146 ({Vorgänger:} 6... Nf6 7. Bf3 O-O 8. O-O Ne5 9. Bf4 Nxf3+ 10. Qxf3 d6 11. e5 dxe5 12. Bxe5 Qa5 13. Re1 {½-½ (71) Barbuto,S (1859)-Ielapi,V (1887) Cutro 2005}) 7. c4 b6 8. Nc3 {Weiß steht etwas besser.} (8. Nb5 $5 {[%cal Rb5c7]} Qb8 9. Be3 $11) 8... Bb7 9. f4 Bh4+ 10. g3 {[%cal Bg2g3,Bg3g4,Bg4g5][%mdl 32]} Be7 (10... Nxd4 $11 11. gxh4 (11. Qxd4 Bf6 $11) 11... Nxe2 12. Qxe2 Ne7) 11. Nf3 (11. Ndb5 $16 Qb8 12. Be3) 11... d6 $11 12. g4 Nf6 13. g5 Nd7 14. Be3 Rc8 (14... a6 $11) 15. Rc1 Qb8 16. a3 Na5 17. Nd2 h6 18. b4 Nc6 19. Nf3 hxg5 20. Nxg5 Bxg5 21. fxg5 Nce5 22. Bf4 a6 ({Ein No Go ist} 22... Nxc4 $6 23. Nb5 $16) 23. O-O Nxc4 24. g6 f6 $1 25. Bxc4 $1 Rxc4 26. Bxd6 Qd8 27. Ne2 $1 b5 {zielt auf ...Db6+ ab.} 28. Rxc4 bxc4 29. Qd4 Qb6 {Weiss muss nun ...Lxe4 beachten.} 30. Rc1 Rh6 31. Rxc4 Rxg6+ 32. Kf2 {Dxb6 ist eine echte Drohung.} Qb5 33. Bg3 {Droht Tc7 und aus.} e5 $36 {[%mdl 2048] Schwarz drückt.} 34. Qd3 (34. a4 $1 $11 {bleibt in der Remisbreite.} Qb6 35. Qe3) 34... Nb6 $1 $17 {[%cal Rb6c4]} 35. Rc3 {und nun wäre Dd6 stark für Weiss.} Qxd3 36. Rxd3 Nc4 37. Nc3 Nxa3 38. Na4 Nb5 39. Nc5 Bc8 40. Rd1 Ke7 41. Ra1 Nc7 42. Rc1 Nb5 43. Ra1 $1 Nd6 44. Kf3 Rg4 45. Rc1 Rg5 46. Ra1 Rg4 47. Rc1 $1 {[#]} Nb5 $1 48. Ra1 Nd4+ 49. Kf2 Nc2 50. Ra4 Kd8 51. Ke2 Nd4+ 52. Kd3 Nc6 53. Ke3 Kc7 54. Nxa6+ Bxa6 55. Rxa6 Nxb4 $15 {[%mdl 4096] Endspiel KTL-KTS} 56. Ra7+ Kd6 57. Kf3 Rg6 58. Bf2 Nc6 59. Ra8 Rh6 60. Rg8 (60. Kg3 $1 $15) 60... Rh7 ({Lieber} 60... Nd4+ $17 61. Bxd4 exd4 62. Rxg7 Rxh2) 61. h4 $11 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Kd7 62. Bc5 Nd8 63. Kg4 Ne6 64. Be3 Ke7 65. h5 Kf7 66. Ra8 Ke7 67. Ra7+ Ke8 $2 {[%mdl 8192] [#]} (67... Kd6 $11 {und Schwarz muss sich keine Sorgen machen.}) 68. h6 $1 $18 {[%mdl 512]} Kf8 $2 (68... Rxh6 $18 69. Bxh6 gxh6) (68... gxh6 69. Rxh7) 69. Kf5 Ng5 70. Bc5+ {Precision: Weiß = 60%, Schwarz = 57%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Moiseenko, Vadim"]
[Black "Pridorozhni, Aleksei"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2543"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,27,25,0]} 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. Ng5 $146 ({Predecessor:} 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. Ng3 h6 15. Nh2 c6 16. dxc6 Bxc6 17. Ng4 Nc5 18. Bc2 Rc8 19. Qf3 Nxg4 20. Qxg4 g6 21. Be3 Bg7 22. Rad1 Qe7 23. Qe2 {½-½ (35) Wang,H (2698)-Ivanchuk,V (2729) Danzhou 2017}) 11... Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 {LiveBook: 6301 Games} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Sarana, Alexey"]
[Black "Volkov, Sergey"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2543"]
[BlackElo "2638"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,137,82,68,77,92,133,46,149,132,149,149,148,140,129,70,70,67,111,106,124,106,154,154,154,154,154,142,142,121,122,122,122,120,113,118,161,159,162,162,163,170,166,154,181,177,166,12,12,12,16,8,164,164,165,169,159,168,184,184,170,171,240,235,222,215,234,217,233,231,322,309,385,361,352,360,400,402,426,405,416,402,526,266,798,792,718,711,758,843,718,666,856,830,860,840,845,840,818,782,861,767,1399,1366,1232,1213,1796,694,6019,6540,5189,3077,29982,29983,29983,29984,29991,29991]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Be2 e6 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} 8. h3 (8. O-O Be7 9. Bb2 O-O 10. Ne5 Bxe2 11. Nxe2 dxc4 12. bxc4 Nfd7 13. Nf3 Nb6 14. c5 Nc4 15. Qc2 Nd7 16. Rfd1 {½-½ (31) Artemiev,V (2653)-Morozevich,A (2676) Moscow 2016}) 8... Bf5 {[%cal Bg4f5,Bf5g6,Bg6e4][%mdl 32]} 9. g4 Bg6 10. Ne5 Ne4 11. Nxe4 Bxe4 12. f3 $1 {[%cal Rf3e4] LiveBook: 6 Games} Qh4+ 13. Kf1 Bg6 {[#]} 14. Qe1 $146 (14. c5 $1 $16) ({Predecessor:} 14. Bd2 Bd6 15. Nxg6 hxg6 {½-½ (60) Pelletier,Y (2566)-Maeser,F (2329) Switzerland 2016}) 14... Qd8 (14... Qxe1+ $14 15. Kxe1 Nd7) 15. h4 f6 16. Nxg6 hxg6 17. Bd3 f5 18. Qg3 ({White should try} 18. Bd2 $16) 18... Bd6 $14 19. f4 Kf8 20. c5 Bc7 21. a4 $36 {[%mdl 2048] Keeping Black busy.} b4 22. a5 Nd7 23. g5 $1 Bxa5 24. Bd2 Bc7 25. Rxa6 Rxa6 26. Bxa6 Qa8 27. Bd3 Qa2 28. Ke2 Ke7 29. Rb1 e5 30. fxe5 Nf8 31. Kd1 Ne6 32. Be1 (32. Bxb4 $6 f4 $16) 32... f4 33. exf4 Nxd4 34. Qe3 $2 (34. Bxb4 Nf5 $11) (34. Bxg6 Qe2+ 35. Kc1 Nf3 $17) (34. Qf2 $1 $18 {[%cal Rf2a2]} Qxf2 35. Bxf2) 34... Ne6 $1 $11 35. Bxg6 Rf8 36. Bg3 {Hoping for Bc2.} ({Wrong is} 36. Bxb4 $2 Nxf4 37. Bc2 Ng2 $19) 36... d4 $2 (36... Nxf4 $1 $11 {and Black has nothing to worry.} 37. Bxf4 Qg2) 37. Qd2 $1 $18 {[%cal Rd2a2]} Qxd2+ 38. Kxd2 {f5 is the strong threat.} Nxf4 39. Be4 Nh5 40. Be1 Bxe5 41. Ra1 Nf4 {[#]} (41... Rf1 $142) 42. Ra7+ $1 Ke6 {[#]} 43. Ra6 $1 d3 {Strongly threatening ...Bc3+.} 44. Rxc6+ Kd7 45. Ke3 Re8 46. Ra6 {aiming for Bc6+.} ({Don't take} 46. Bxb4 $6 Bb8 $18) 46... Bb8 47. Kf3 Nd5 {intending ...Rf8+.} 48. Bf5+ ({Weaker is} 48. Bxd5 Rxe1 49. Ra2 Rc1 $16) 48... Kd8 49. Re6 Rf8 50. Kg4 g6 51. Bxg6 Nf4 52. Ra6 Ng2 $2 (52... Nxg6 53. Rxg6 Rf4+ 54. Kh3 Be5) 53. Bd2 Rf2 54. Ra8 Rxd2 55. Rxb8+ {[%mdl 4096] Endgame KRB-KRN} Kc7 56. Rxb4 Ne3+ 57. Kh5 Rd1 58. Rd4 d2 59. Be4 Nf1 60. Bf3 Re1 61. g6 {[%cal Bg5g6,Bg6g7][%mdl 32]} Re7 62. Kh6 Re6 63. Kh7 Ng3 64. g7 Re7 65. Rxd2 Nf5 66. Rg2 Nxh4 67. Bd5 {White mates.} Nf5 68. Rg5 Re6 69. Bxe6 {Precision: White = 72%, Black = 52%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Tsydypov, Zhamsaran"]
[Black "Kokarev, Dmitry"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2529"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,73,48,21,24,25,31,8,21,17,20,26,75,70,78,78,83,88,131,130,179,177,364,377,350,381,350,264,272,269,255,257,287,279,280,256,350,350,354,354,354,290,290,290,290,290,389,383,444,440,422,415,415,408,466,466]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e6,Be6f4][%mdl 32] B92: Sicilian Najdorf: 6 Be2} (9... Be6 10. Bd2 Nbd7 11. Nd5 Bxd5 12. exd5 Nc5 13. Nxc5 dxc5 14. c4 Bd6 15. Qh3 e4 16. f4 exf3 17. Rxf3 Qd7 {½-½ (28) Nepomniachtchi,I (2751)-Karjakin,S (2773) Saint Louis 2017}) 10. a4 b6 11. Qg3 {LiveBook: 29 Games} Re8 {The position is equal.} 12. Bh6 {[%csl Gh6][%cal Rg3g7]} Bf8 13. Rad1 Bb7 14. Nd2 Nc5 {[%cal Rc5e4]} 15. Bg5 Ne6 $146 ({Predecessor:} 15... Rc8 16. Bc4 Ne6 17. Bd5 Bxd5 18. Bxf6 Qxf6 19. Nxd5 {1-0 (45) Petrienko,V (2395)-Zhelnin,V (2330) Sverdlovsk 1985}) 16. Bxf6 $1 Qxf6 {[#]} 17. Nc4 $1 $36 {[%mdl 2048] White is really pushing.} b5 18. axb5 Nf4 {...d5! is the strong threat.} 19. Nb6 Bxe4 {[#]} 20. Bf3 $1 (20. Nxa8 Bxa8 21. bxa6 Bxg2 $16) (20. bxa6 Nxe2+ 21. Nxe2 Rxa6 $11) 20... d5 $2 (20... Bxf3 21. Qxf3 Ra7) 21. Nxa8 $18 (21. Nxe4 dxe4 22. Nxa8 exf3 $11) 21... Rxa8 22. Bxe4 (22. Nxd5 Bxd5 23. Bxd5 (23. Rxd5 Nxd5 24. Bxd5 Rd8 $16) 23... Ne2+ 24. Kh1 Nxg3+) 22... dxe4 23. Qe3 axb5 24. Qxe4 Rc8 25. Nd5 Nxd5 26. Rxd5 ({Much less strong is} 26. Qxd5 $6 Rxc2 27. Qxb5 g6 $18) 26... b4 27. Re1 ({But not} 27. Qxe5 $6 Qxe5 28. Rxe5 Rxc2 $16) 27... g6 28. Rxe5 h5 29. g3 Bc5 30. Re8+ Rxe8 31. Qxe8+ {[%mdl 4096] Endgame KQR-KQB} Kg7 32. Re2 Bd4 33. Qe4 Bxb2 34. Qxb4 Bd4 35. Qb7 h4 36. Qe4 h3 37. Qg4 {Precision: White = 92%, Black = 35%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Burmakin, Vladimir"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2515"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,-10,0,-16,16,0,0,-13,-11,-25,5,3,9,0,6,0,8,8,19,-26,-43,-32,-22,-63,-62,-74,-77,-175,-138,-187,-169,-173,-184,-239,-247,-243,-233,-379,-322,-295,-321,-373,-345,-530,-547,-557,-392,-1091,-703]} 1. Nf3 d5 2. g3 Nf6 3. c4 c6 4. b3 Bg4 5. Bg2 Nbd7 6. Bb2 e6 7. O-O Bd6 8. d3 O-O 9. h3 Bh5 10. Nc3 Qe7 {LiveBook: 4 Partien} 11. Rc1 {A12: Reti-Eröffnung (New-Yorker-System)} Ba3 $146 ({Vorgänger:} 11... Rad8 12. Qc2 Rfe8 13. cxd5 exd5 14. Nh4 Bg6 15. Nxg6 hxg6 16. e3 d4 17. exd4 Nb6 18. Ne4 Nbd5 {1-0 (64) Jerez Perez,A (2383)-Szoen,D (2452) Castelldefels 2006}) 12. Qc2 Rad8 13. Nb1 {Die Stellung ist ausgeglichen.} Bxb2 14. Qxb2 Qd6 15. Qa3 Qb8 16. Nbd2 Rfe8 17. Rfe1 e5 18. cxd5 cxd5 19. g4 Bg6 20. Nh4 Nf8 {[%cal Bd7f8,Bf8e6,Be6f4][%mdl 32]} 21. Qa5 Ne6 22. Nxg6 hxg6 23. Nf3 (23. Qb4 $17) 23... e4 $19 24. dxe4 dxe4 25. Nh2 b6 26. Qa3 {[#]} (26. Qc3 {war angesagt.}) 26... Nf4 $1 {Droht stark ...e3.} 27. Nf1 N6d5 {[%cal Bf6d5,Bd5f4,Bf4h3,Bh3f2,Bf2d3][%mdl 32]} 28. b4 (28. e3 {war die einzige Chance.} Nd3 29. Ng3) 28... Nxg2 29. Kxg2 {[#]} Nf4+ $1 30. Kg1 {[#]} e3 $1 {[%mdl 512]} 31. Nxe3 (31. fxe3 $142 Nxh3+ 32. Kg2) 31... Nxh3+ 32. Kg2 {[#]} Nxf2 $1 {[%mdl 512]} 33. Rf1 $2 {[#]} (33. Nf1 Nxg4 34. Qg3) (33. Kxf2 Qf4+) 33... Nd3 $1 {[%mdl 512] Precision: Weiß = 27%, Schwarz = 67%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Mikaelyan, Arman"]
[Black "Batchuluun, Tsegmed"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2503"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,164,0,29,-6,-12,0,0,-2,0,-3,-5,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,3,12,27,0,0,12,53,41,43,56,47,54,54,49,59,61,162,158,224,231,269,249,247,202,345,253,275,260,318,316,310,311,304,299,321,285,232,336,329,334,333,236,500,475,462,440,509,339,633,587,688,660,655,619,635,8,8,0,535,618,327,8,8,8,131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Qc2 c5 8. cxd5 {D37: Queen's Gambit Declined: 5 Bf4} cxd4 (8... Nxd5 9. Nxd5 exd5 10. Bd3 Qa5+ 11. Qc3 Qb6 12. a3 cxd4 13. Qxd4 Nc5 14. Bc2 Qb5 15. Be5 f6 {1-0 (40) Svidler,P (2749)-Adams,M (2736) Geneve 2017}) 9. exd4 Nxd5 10. Nxd5 exd5 11. a3 Re8 {With the idea ...Bg5+.} 12. Be2 Nf8 $146 ({Predecessor:} 12... Qa5+ 13. Bd2 Qb6 14. O-O Nf6 15. a4 Ne4 {½-½ (74) Sunilduth Lyna,N (2233)-Vaibhav,S (2430) Chennai 2011}) 13. O-O Bd6 14. Bxd6 Qxd6 15. Bd3 Bg4 16. Ne5 Bh5 17. Bf5 f6 18. Nd3 Bg6 19. Bxg6 Nxg6 20. Qb3 b6 21. Rfe1 Kf8 22. g3 Rxe1+ 23. Rxe1 Re8 24. Rc1 Qd7 25. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Ne7 26. a5 Qd6 27. a6 Rc8 28. Re1 Nc6 29. Nf4 Re8 30. Rxe8+ Kxe8 31. Nxd5 Nxd4 32. Qa4+ Nc6 33. Nxb6 Kd8 (33... Qe6 $14) 34. Nc4 $36 {[%mdl 2048] Keeping Black busy.} Qd5 (34... Qc5 $16 35. Ne3 Nd4) 35. Ne3 Qe6 36. Qa3 Kc7 37. Qd3 g6 (37... Ne5 $142 38. Qxh7 Qd7) 38. Qb5 Kd8 39. Qc5 Kd7 40. b4 {b5 is the strong threat.} Qe5 41. Qxe5 Nxe5 {[%mdl 4096] Endgame KN-KN} 42. b5 $1 Kc8 43. Kg2 f5 44. f4 Nf7 45. Nc4 Kc7 46. Kf3 Nd8 $2 (46... Nh6 47. h3 Ng8) 47. Ke3 Ne6 48. Kd3 h6 49. Ke3 g5 $2 (49... h5 50. Kd3 h4) 50. h3 gxf4+ 51. gxf4 h5 52. h4 Nf8 53. Kf3 $2 (53. b6+ $1 $18 axb6 54. a7) 53... Ne6 $11 54. Ke3 $2 {[%mdl 8192]} (54. Ne3 $11 Nd4+ 55. Kf2) 54... Nf8 $1 $18 55. b6+ $1 axb6 56. Nd6 $2 ({Only move:} 56. a7 $1 $18 {[%cal Ra7a8]} Kb7 57. Nxb6 $1 {[%mdl 512]} Kxa7 58. Nc8+ Kb7 59. Ne7) 56... Kb8 $11 57. Nxf5 {Strongly threatening Ng7.} Ng6 {[#]} (57... Ka7 $11) 58. Kf3 (58. Nd4 $1 $16) 58... Ka7 {The position is equal.} 59. Kg3 b5 60. Nd4 Kxa6 61. f5 Nf8 62. Kf4 {Hoping for Kg5.} Nh7 63. Ke5 {And now Ke6 would win.} b4 64. f6 Kb6 65. Nb3 Kb5 66. f7 Kc4 67. Na5+ Kb5 68. Nb3 Kc4 69. Nd2+ Kd3 70. Ne4 b3 71. Nc5+ Kc4 72. Nxb3 Kxb3 {KN-KPP} 73. Kf5 Kc4 74. Kg6 Nf8+ 75. Kxh5 {Black must now prevent Kh6.} Kd5 76. Kh6 {Threatens to win with Kg7.} Ke6 77. Kg7 Ke7 78. h5 Nh7 79. h6 Nf8 80. Kg8 Nh7 81. f8=Q+ Nxf8 82. h7 Nxh7 {Precision: White = 63%, Black = 66%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Artemiev, Vladislav"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2696"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,-5,17,10,12,17,7,7,0,0,8,-7,6,8,0,0,0,-10,0,0,0,0,14,7,24,39,41,33,54,35,31,18,19,16,24,4,9,0,0,0,81,82,89,91,83,89,77,76,85,85,89,76,73,74,71,66,91,79,90,83,87,80,101,101,98,61,70,50,50,27,104,72,77,81,81,40,38,53,48,0,0,0,-8,-23,-23,-23,0,-155,-155,-155,-155,-155,-155,-155,-30,-30,-30,-30,-30,-30,-37,-30,-30,-104,-104,-29972,-29973,-29974,-29972]} 1. Nf3 d5 2. g3 g6 3. c4 Nf6 4. Bg2 Bg7 5. Qa4+ (5. cxd5 Nxd5 6. O-O c5 7. Nc3 O-O 8. Qb3 e6 9. d3 Nc6 10. Bg5 Qd7 11. Ne4 b6 12. h4 Bb7 13. h5 h6 14. Bd2 g5 15. Rfc1 f5 16. Nc3 {0-1 (34) Anand,V (2776)-Li,C (2746) Moscow 2016}) 5... Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 6. cxd5 {A15: English Opening: 1...Nf6} O-O 7. O-O Nxd5 8. Nc3 {The position is equal.} N7b6 9. Qa5 c6 10. d4 Bf5 $146 ({Predecessor:} 10... Bg4 11. Rd1 Nxc3 12. bxc3 Qd5 {½-½ (57) Markowski,T (2557)-Teclaf,P (2372) Warsaw 2017}) 11. Re1 Nxc3 12. bxc3 Be4 13. Qg5 Nc4 14. Qh4 Bxf3 $1 15. Bxf3 e5 16. Qxd8 Raxd8 17. Rb1 Rd7 18. e3 Re8 {[%cal Re5d4]} 19. Re2 Bf8 20. a4 Ba3 21. Bxa3 Nxa3 22. Ra1 Nc4 23. a5 e4 24. Bg2 c5 (24... f5 $11 {keeps the balance.}) 25. Ra4 $1 $36 {[%cal Ra4c4][%mdl 2048] White is in control.} b5 26. axb6 $1 Nxb6 27. Ra5 cxd4 28. cxd4 Rc7 29. Rea2 Ree7 30. Bf1 h5 31. Kg2 Kg7 32. Be2 Kf6 33. h3 Kg7 34. g4 h4 35. g5 Nc8 36. Bg4 Nb6 37. Kh2 Nc4 38. Rb5 Rb7 39. Rc5 Nb6 (39... Rb2 $11 40. Rxb2 Nxb2) 40. Rac2 Na4 41. Rc6 Nb6 42. Rd2 Nd5 43. Rc5 Nb4 44. d5 ({White should try} 44. Ra5 $14) 44... Re5 $1 $11 45. Rd4 Rxg5 46. Rcc4 {And now d6 would win.} Nd3 47. d6 {Threatens to win with d7.} Ne5 48. Rc8 $2 (48. Rc7 $11 Rxc7 49. dxc7 Nxg4+ 50. hxg4) 48... Rxg4 $17 49. hxg4 {[%mdl 4096] Endgame KRR-KRN} Nf3+ 50. Kh3 {Strongly threatening d7!} Nxd4 51. exd4 {[#] KR-KR} Rd7 (51... g5 $1 $17 {White must now prevent ...Rd7.} 52. Rc7 Rb3+ 53. Kg2 Kf6) 52. Kxh4 $11 Rxd6 53. Ra8 a6 54. Kg3 g5 55. Ra7 Kg6 56. f4 (56. Kg2 $11) 56... e3 $17 {Hoping for ...gxf4+.} ({Don't play} 56... Rxd4 $6 57. Rxa6+ f6 58. fxg5 $11) 57. Re7 $2 {[%mdl 8192] [#]} (57. f5+ $17 Kg7 58. d5) 57... Re6 $1 58. f5+ Kf6 {Precision: White = 59%, Black = 70%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Alekseev, Evgeny"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2622"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,102,0,0,7,6,9,4,15,15,18,26,21,13,12,-10,19,12,15,14,30,20,21,22,21,22,24,30,34,25,34,23,23,7,8,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. e3 Be7 5. b3 c5 6. cxd5 Nxd5 7. Bb2 O-O 8. Qc2 {LiveBook: 10 Games. A13: English Opening: 1...e6} b6 $146 (8... Nc6 {is more complex.} 9. a3 b6 10. Bd3 Nf6 11. Ne4 h6) ({Predecessor:} 8... Nc6 9. h4 h6 10. g4 Nxc3 11. dxc3 e5 12. g5 h5 13. Bc4 Be6 14. Bxe6 fxe6 15. Nd2 Qe8 {½-½ (40) Carlsen,M (2840)-Ganguly,S (2668) Doha 2016}) 9. Nxd5 exd5 10. d4 Be6 11. Bd3 h6 12. O-O Nc6 13. Be2 Rc8 14. Qd2 (14. Qc3 {keeps more tension.} f6 15. Rac1 Nb4 16. Qd2 Nxa2 17. Ra1) 14... cxd4 15. Nxd4 Nxd4 16. Bxd4 Bf6 17. Rac1 Bxd4 18. Qxd4 Qe7 19. b4 Rc7 20. Ba6 Rd8 {[%cal Bf8d8,Bd8d7,Bd7c7,Bc7c1][%mdl 32]} 21. a3 Qd6 22. Rfd1 Rdd7 23. Rxc7 Rxc7 {The position is equal.} 24. Bb5 Qf8 25. h3 Qc8 26. Be2 Rc1 27. Bf3 (27. a4 {with more complications.} Qc3 28. Rxc1 Qxc1+ 29. Bf1 Qe1 30. g4) 27... Qc3 28. Qxc3 Rxc3 29. Bxd5 Bxd5 30. Rxd5 Rxa3 $11 {[%mdl 4096] Endgame KR-KR} 31. g4 a5 32. bxa5 bxa5 33. Rd8+ Kh7 34. Rd7 Kg8 35. Ra7 Ra1+ 36. Kg2 a4 37. h4 a3 38. h5 g5 39. hxg6 fxg6 40. f4 a2 41. e4 h5 42. gxh5 gxh5 43. e5 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 44. e6 h3+ 45. Kh2 Kf8 46. f5 Rf1 47. Rxa2 Rxf5 48. Kxh3 Re5 49. Ra6 Ke7 50. Kg4 Rxe6 51. Rxe6+ Kxe6 {Precision: White = 74%, Black = 79%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Gordievsky, Dmitry"]
[Black "Bellaiche, Anthony"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2605"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,149,0,0,7,11,12,1,72,60,54,48,64,68,52,52,126,119,113,119,97,103,146,130,250,114,109,109,109,114,104,101,108,114,135,132,202,161,195,141,202,195,195,200,202,196,238,179,231,0,228,208,200,168,183,169,242,187,228,232,208,237,218,207,213,186,194,150,156,145,175,168,177,95,188,181,223,208,283,302,283,261,274,223,227,237,392,366,466,329,493,474,488,482,501,493,623,606,635,569,629,622,625,620,581,389,389,389,692,685,676,678,647,614,615,603,859,853,1220,1193,1225,1199,1157,1149,1130,1099,1067,1002,1232,1216,1227,1214,2163,2122,5323,5208,2084,2084,2131,1914,29984,29985]} 1. Nf3 d5 2. g3 g6 3. c4 c6 4. Qa4 d4 (4... dxc4 5. Qxc4 Bg7 6. d4 Be6 7. Qa4 Bd5 8. Nbd2 Nf6 9. Qc2 Qa5 10. Bg2 c5 11. O-O cxd4 12. Qc8+ {½-½ (88) Yu,Y (2750)-Ding,L (2759) Shenzhen 2017}) 5. d3 Bg7 6. Bg2 {LiveBook: 10 Partien. A11: Reti-Eröffnung} Nf6 7. b4 O-O 8. Bb2 $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 8. O-O a5 9. Bb2 Nfd7 10. a3 Na6 11. Nbd2 e5 {1-0 (35) Bezold,M (2509)-Van Wely,L (2632) Berlin 2015}) 8... e5 (8... Nfd7 $11) 9. Nxe5 $16 Re8 10. Nf3 $1 Qe7 {[%csl Ge8][%cal Re7e2]} 11. Nxd4 Ng4 $1 {Droht ...Lxd4 und aus.} 12. O-O {Droht stark Sa3.} Ne3 ({Lieber} 12... Rd8 $1 $14) 13. fxe3 Qxe3+ 14. Kh1 Bxd4 15. Nc3 Nd7 16. Qc2 Nf6 (16... Qh6 $16) 17. Nd1 (17. Rf4 $1 $18 {[%cal Rf4d4]} Ng4 18. Raf1) 17... Qe5 {...Lxb2 wäre jetzt gut für Schwarz.} 18. Bxd4 Qxd4 19. Qc3 Qxc3 20. Nxc3 Ng4 21. Rf4 g5 22. Rd4 $36 {[%mdl 2048] Weiss hat starke Initiative.} f5 (22... Ne3 $16) 23. Rb1 Ne3 24. Bf3 ({Besser ist} 24. b5 $18 c5 25. Rd6) 24... a6 {[#]} (24... Be6 $16 25. b5 g4) 25. Kg1 $1 $18 Be6 26. Kf2 Nc2 27. Rd6 Kf8 28. Bh5 Re7 (28... Rad8 $142) 29. Bf3 Ree8 $1 30. Rb2 Na3 31. Rd4 Ke7 32. e3 Rec8 (32... Rab8 $142 33. Na4 b5) 33. Bd1 b5 {[%cal Rb5c4] [#]} 34. c5 $1 a5 35. Bf3 axb4 36. Rdxb4 Ra6 37. Ke2 Rd8 38. Rd2 h6 39. Kd1 Kf6 40. Kc1 Bf7 41. Bd1 (41. e4 $18) 41... Re8 (41... Ra7 $16) 42. e4 Re5 43. d4 Rxe4 44. Nxe4+ fxe4 45. Rf2+ Ke7 46. Re2 Bd5 47. Bb3 Nc4 $2 (47... Kd7 {kämpft weiter.} 48. Rf2 (48. Bxd5 cxd5 49. Kb2 Nc4+ 50. Kc3 Ra5 $18) 48... Nc4) 48. a4 Ke6 49. Bc2 e3 (49... bxa4 {war einen Versuch wert.} 50. Rxa4 (50. Bd3 a3 $16) 50... Rxa4 51. Bxa4 Kf5) 50. Bb3 Ra5 51. Kc2 Kf5 52. Bxc4 bxc4 53. Rxe3 {[%mdl 4096] Endspiel KTT-KTL} Kg4 54. Kc3 Kh3 55. Re2 Ra8 56. Ra2 Rf8 {beabsichtigt ...Tf3+.} 57. Rxc4 Rf1 {Und weiter mit ...Tc1+ wäre nett.} 58. Rc2 Be4 $2 (58... Rb1 59. Rb4 Ra1) 59. Kb4 Rb1+ 60. Ka5 Rb8 61. Rd2 Bd5 62. Rc3 h5 63. Ra3 g4 64. Ka6 Rb4 65. a5 h4 66. gxh4+ Kxh4 67. Ka7 Kg5 68. h3 gxh3 69. Rxh3 Ra4 70. Kb6 Rb4+ 71. Kc7 Ra4 72. Rf2 Rxa5 73. Rg3+ Kh4 74. Rg6 {[%cal Rf2h2]} Kh5 75. Rg1 {Precision: Weiß = 68%, Schwarz = 37%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Kobalia, Mikhail"]
[Black "Tsydypov, Zhamsaran"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2596"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,55,24,27,47,15,56,42,86,77,86,81,85,83,131,143,138,141,150,132,156,160,168,163,157,143,260,273,262,234,293,292,498,504,498,489,518,527]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 b4 9. a5 O-O 10. Nbd2 Bg4 {C84: Closed Ruy Lopez: Unusual White 6th moves} (10... Rb8 11. Re1 Be6 12. Bxe6 fxe6 13. Nb3 Qc8 14. Qe2 Nd8 15. d4 exd4 16. Nbxd4 c5 17. Nb3 e5 18. Nbd2 Ne6 19. Nc4 Nd4 20. Nxd4 cxd4 {½-½ (43) Caruana,F (2807)-Carlsen,M (2822) Saint Louis 2017}) 11. h3 {LiveBook: 6 Games} Bh5 12. c3 Qc8 $146 {The position is equal.} ({Predecessor:} 12... bxc3 13. bxc3 d5 14. Qe2 d4 15. Ba4 Nxa5 16. cxd4 exd4 17. g4 Nxg4 18. hxg4 Bxg4 19. Rb1 Qd6 20. Re1 {½-½ (20) Grigoriants,S (2561)-Daulyte,D (2223) Cappelle-la-Grande 2012}) 13. Re1 Rd8 14. Nf1 bxc3 15. bxc3 Rb8 {aiming for ...Bxf3.} 16. Bc4 d5 17. exd5 Nxd5 {[#]} 18. Bd2 $1 f6 19. Qa4 Qd7 20. Bxa6 Bxf3 21. gxf3 Qe6 22. Bc4 {[#] Hoping for Ne3.} Na7 (22... Bc5 $16 23. Be3 Ba7) 23. Reb1 $18 {[%cal Be1b1,Bb1b7,Bb7b8][%mdl 32]} Ra8 24. Rb7 {Threatens to win with Rxc7!} c6 25. Be3 Rd7 $2 (25... Nc8 26. a6 Kh8) 26. a6 {White is clearly winning.} Nc8 27. Rab1 f5 28. Rb8 {Precision: White = 85%, Black = 27%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Sengupta, Deep"]
[Black "Sjugirov, Sanan"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2587"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,115,-54,-64,-45,-66,-48,-62,-59,-52,-39,-39,-54,-63,-48,-70,-56,-51,-50,-52,-45,-52,-42,-69,0,0,0,0,0,0,0,-7,-15,0,-2,-43,-43,-52,-34,-52,0,-76,-57,-83,-83,-83,-54,-83,-83,-83,-83,-83,-83,-83,-83,-104,-104,-104,-104,-202,-202,-202,-202,-210,-83,-83,0,-208,-210,-198,-208,-202,-206,-226,-226,-228,-236,-211,-157,-186,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 g6 7. O-O Bg7 8. Re1 O-O 9. Qe2 b6 10. Nf1 {A08: King's Indian Attack} e5 (10... a5 11. e5 Nd7 12. Bf4 a4 13. h4 a3 14. b3 h5 15. N1h2 b5 16. g4 hxg4 17. Nxg4 Nd4 18. Nxd4 cxd4 {0-1 (41) Bu,X (2702)-Vitiugov,N (2681) Sochi 2009}) 11. exd5 Nxd5 12. Ne3 {LiveBook: 3 Games. Black is slightly better.} Nxe3 13. Bxe3 Bb7 14. Qd2 $146 ({Predecessor:} 14. Rad1 Qd7 15. Qd2 Rad8 16. Bh6 f6 17. Bxg7 Kxg7 {0-1 (48) Muthaiah,A (2037)-Harsha,B (2156) Kolkata 2013}) 14... Re8 15. Bh6 Qd7 16. Bxg7 Kxg7 17. a3 f6 18. Re3 Nd4 19. Nxd4 cxd4 20. Re2 Bxg2 21. Kxg2 Rac8 22. Rae1 Rc5 (22... Qb5 $15 23. Qb4 Qd5+ 24. Kg1 g5) 23. f4 $11 Rec8 (23... Qb5 {keeps more tension.} 24. fxe5 Rexe5 25. Rxe5 Rxe5 26. Rxe5 Qxe5 27. Qf4 Qc5) 24. fxe5 fxe5 25. Kg1 Rxc2 26. Qxc2 Rxc2 27. Rxc2 {[%mdl 4096] Endgame KQ-KRR} Qb5 28. Rd2 Kf6 29. Re4 a5 30. Kg2 a4 (30... Ke7 $15) 31. h4 (31. Rde2 $1 $11 {remains equal.}) 31... Ke6 $17 32. Kh2 Kd6 33. Kg2 Qb3 34. Re1 Qd5+ 35. Kf2 h6 36. Rde2 Qb3 37. Rd2 g5 {White must now prevent ...gxh4.} 38. hxg5 hxg5 39. Re4 Qe6 40. g4 (40. Rde2 $17) 40... Qc8 $1 $19 41. Kg2 Qc1 $1 {[%cal Rc1d2]} 42. Ree2 {[#]} Qb1 ({Resist} 42... Qc6+ 43. Re4 $17) (42... e4 $1 $19 {[%cal Re4e3][%mdl 512] and Black stays clearly on top.} 43. dxe4 Ke5) 43. Re4 $17 Qc1 (43... b5 $17) 44. Ree2 $1 $19 {[#]} e4 $1 {[%cal Re4e3][%mdl 512]} 45. dxe4 Ke5 46. Rd3 Qc4 {[%mdl 1024] Black has strong compensation.} 47. Rdd2 Qe6 48. Kg3 Qh6 {And now ...Qh4+ would win.} 49. Rh2 Qd6 50. Rhe2 d3 $2 (50... Qf8 $19 51. Rf2 Qh6) 51. Re3 $11 {The position is equal.} Qh6 52. Rh2 Qf6 {( -> ...Qf4+)} (52... Qd6 $5 53. Rd2 $8 Ke6+ 54. Kh3 Qf4 55. Rexd3 Qxe4 $11) 53. Rf2 Qh8 {Strongly threatening ...Qh4+.} 54. Rxd3 {Hoping for Rd5+.} Qh4+ 55. Kg2 Qxg4+ 56. Rg3 Qxe4+ 57. Kg1 g4 58. Kh2 {Precision: White = 62%, Black = 67%.} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Batchuluun, Tsegmed"]
[Black "Usmanov, Vasily"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2571"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,119,55,47,54,48,60,46,56,49,56,48,48,48,77,68,74,72,69,47,71,71,75,75,91,86,102,102,102,102,109,109,109,109,109,95,95,81,109,80,86,70,81,81,109,109,109,79,95,93,93,80,87,90,109,109,109,95,95,72,81,63,63,41,41,41,41,41,86,63,87,41,57,56,66,66,95,63,91,83,95,77,84,62,84,32,95,84,84,32,95,32,84,39,84,0,84,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 {D35: Damengambit (Abtauschvariante)} 11. Nh4 Be7 (11... Nb6 12. f4 h5 13. Kf2 Nc8 14. f5 Bh7 15. h3 Nd6 16. g4 Kd7 17. Bd3 Bh6 18. Ng2 {1-0 (37) Bluebaum,M (2632)-Naiditsch,A (2700) Minsk 2017}) 12. Ne2 f5 13. g3 {[%cal Bg2g3,Bg3h4][%mdl 32] LiveBook: 6 Partien} Bxh4 14. gxh4 Nf6 {[#]} 15. Rg1 $146 ({Vorgänger:} 15. Ng3 f4 16. exf4 Nh5 17. Nxh5 Bxh5 18. Rg1 {½-½ (57) Lorparizangeneh,S (2515)-Usmanov,V (2455) St Petersburg 2017}) 15... Ke7 16. Nf4 Nh5 17. Be2 Nxf4 18. exf4 h5 19. Rg3 Kd6 20. Kd2 Rae8 21. Bd3 (21. Bf3 {looks sharper.} b6 22. Rgg1 Re7 23. Rac1 Rb8 24. Rc3) 21... a5 22. Re3 Rxe3 23. fxe3 $16 {[%mdl 4096] Endspiel KTL-KTL} b5 24. Rc1 f6 25. Rg1 Rh6 26. Ke2 Kc7 27. Kf2 Kb6 28. Be2 Kc7 29. Rg3 Kd6 30. Bd3 Kc7 31. Kg2 Kd6 32. Kh3 Kc7 33. Rg1 Kb6 34. a3 Kc7 35. Be2 Kb6 36. Rg3 Kc7 37. Kg2 Kd6 38. Kf2 Kc7 39. Rg1 Kb6 40. h3 Kc7 41. Bf3 Kd6 42. Rc1 Rh8 43. Rc5 Ra8 44. Be2 Bf7 45. Bd3 Bg6 46. Ke2 Ra7 47. Kd2 Ra8 48. Rc1 Rh8 49. Ke2 Rh7 50. Kf2 Rh8 51. b3 Rh7 52. Be2 Rh8 53. a4 b4 54. Ba6 ({Günstiger ist} 54. Rc5 $16) 54... Kc7 (54... Bf7 $14) 55. Bb5 Be8 56. Be2 (56. Bd3 $16) 56... Bg6 ({Besser ist} 56... Rg8 $1 $14) 57. Bf3 (57. Rg1 $16 Rh6 58. Bd3) 57... Kd6 (57... Bf7 $14) 58. Rg1 Rh6 59. Rc1 {Droht stark Tc5.} Rh8 60. Rg1 {Precision: Weiß = 36%, Schwarz = 47%.} ({Lieber} 60. Bg2 $16) 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Pridorozhni, Aleksei"]
[Black "Sethuraman, S P"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2565"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "178"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,178,15,11,35,8,18,29,23,20,35,20,23,20,30,19,18,10,15,8,7,-14,-10,-13,0,-29,-14,-38,-31,-28,-16,-43,-17,-14,-8,-27,-26,-27,-33,-29,-21,-63,-41,-43,-44,-60,-52,-53,-53,-56,-50,-58,-42,-71,-54,-87,-91,-95,-85,-90,-68,-71,-73,-79,-23,-23,-23,-23,-24,-24,-24,-29,-22,-47,-34,-56,-51,-54,-54,-56,-44,-112,-112,-197,-197,-197,0,-125,0,-175,-172,-197,-197,-197,-197,-197,-197,-207,-214,-253,-179,-184,0,-238,-196,-215,-204,-261,-239,-276,-266,-469,-459,-408,-342,-1940,-2559,-5643,-2470,-2059,-1285,-1465,-1585,-2728,-1995,-1824,-1544,-1489,-1307,-2282,-1280,-1754,-1231,-1051,-1151,-12820,-5942,-12833,-1010,-933,-795,-846,-753,-738,-508,-491,-435,-1241,-1234,-1202,-1083,-12835,-12840,-12841,-12841,-5830,0,-5934,-2577,-12841,-12839,-12840,-12840,-12845,-12845]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 a6 6. Bf1 b6 7. c3 Bb7 8. d3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} e6 9. Nbd2 {LiveBook: 12 Games} b5 10. d4 {White is slightly better.} cxd4 11. cxd4 Nb6 $146 ({Predecessor:} 11... Be7 12. b3 O-O 13. Bb2 d5 14. e5 Ne4 15. Bd3 f5 {0-1 (22) Liang,J (2425)-Oll,L (2645) Beijing 1997}) 12. b3 Be7 13. Bb2 O-O 14. Bd3 Rc8 15. Qe2 Rc7 16. Rac1 Rxc1 17. Rxc1 Qa8 18. e5 dxe5 19. dxe5 Nfd5 {[%cal Bf6d5,Bd5b4,Bb4c6,Bc6d4][%mdl 32]} 20. g3 (20. Qe4 {looks sharper.} g6 21. Qd4 f5 22. a4 bxa4 23. bxa4 Bc6 24. Nc4) 20... Rc8 21. Rxc8+ (21. Re1 {is more complex.} b4 22. Ne4 h6 23. Nd4 Nd7 24. Nd6) 21... Qxc8 22. Ne4 h6 23. Nfd2 Qc6 24. Bb1 Nb4 25. Qg4 Qd5 {...Nd3 is the strong threat.} 26. Qe2 Nd7 27. a3 Nc6 28. Nd6 {[#] Strongly threatening Be4.} Nd4 {[%csl Gb7][%cal Rd5h1]} (28... Ndxe5 {with more complications.} 29. Nxb7 Qxd2 30. Qxd2 Nf3+ 31. Kg2 Nxd2 32. Bc2 f5) 29. Qe4 Bxd6 30. exd6 {Threatening mate with Qh7+.} Qxe4 31. Bxe4 Bxe4 32. Bxd4 $15 {[%mdl 4096] Endgame KBN-KBN} Bd5 33. f4 f6 34. Kf2 Kf7 35. Ke3 e5 36. Bc3 Ke6 37. Bb4 exf4+ 38. Kxf4 Ne5 39. Ke3 Nf7 (39... g5 $17) 40. Kd4 $11 Nxd6 41. Kc5 Nc8 42. a4 bxa4 43. bxa4 g5 44. Ba5 Bg2 45. Bc7 Ne7 46. a5 Nd5 47. Bb8 Kf5 48. h3 (48. Kc6 $15) 48... h5 $17 49. Kd4 (49. Nc4 $17) 49... Ne7 $19 50. Kc5 Nd5 ({Black should try} 50... Bxh3 $19 51. Nc4 h4) 51. Kd4 $1 $17 Ne7 {And now ...Nc6+ would win.} 52. Kc5 $1 Nc8 53. h4 {[#]} gxh4 $1 54. gxh4 Kg4 55. Nc4 {intending Ne3+.} Kxh4 56. Ne3 Bf3 57. Bf4 Kh3 58. Bc7 Kh4 (58... h4 $142 59. Bb8 Ne7) 59. Bf4 $19 Bh1 60. Kd4 Ne7 61. Kc5 Bf3 62. Bc7 Kg5 63. Bd8 $2 (63. Nc2 {is a better defense.}) 63... Nc6 64. Bc7 h4 65. Kb6 $2 (65. Nc4) 65... Ne5 66. Nf1 h3 (66... Kf4 $142 67. Nh2 h3 68. Kxa6 Kg3 69. Nf1+ Kg2 70. Ne3+ Kf2) 67. Kc5 Bg2 68. Nh2 Kf5 69. Bd6 Ke4 70. Bc7 Bf3 71. Kd6 Kf5 72. Ke7 Bd5 73. Nf1 Kg5 74. Nh2 Bc4 75. Kd8 Be2 76. Ke7 Kf5 (76... Ng4 $142 77. Ke6 Bc4+ 78. Ke7 Nxh2 79. Bxh2 f5) 77. Kd6 Bc4 78. Kc5 Bb5 79. Kd5 Bc6+ 80. Kc5 Bb7 81. Kb6 (81. Kd6 $142) 81... Bc8 82. Kc5 Ke4 83. Nf1 Kf3 84. Kd6 Kg2 85. Ne3+ Kf3 86. Nf1 Ng4 {Black is clearly winning.} 87. Kc5 Kg2 88. Ng3 h2 89. Kd4 Ne5 {Precision: White = 38%, Black = 71%.} 0-1

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Timofeev, Artyom"]
[Black "Yakubboev, Nodirbek"]
[Result "1-0"]
[ECO "C73"]
[WhiteElo "2549"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,20,22,29,74,39,73,40,31,20,79,60,65,5,93,93,96,92,99,89,85,86,87,89,93,65,75,66,93,21,279,260,281,257,274,281,257,259,316,341,408,402,462,453,446,409,424,418,412,372,398,392]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 g6 8. Qd3 Bg7 {LiveBook: 4 Games. C73: Ruy Lopez: Deferred Steinitz: 5 Bxc6+} 9. Be3 Nh6 10. Qc4 Qd7 $146 {White is slightly better.} ({Predecessor:} 10... Bd7 11. h4 Ng4 12. h5 Nxe3 13. fxe3 g5 14. h6 Bf8 15. O-O-O Qe7 16. Rdf1 {1-0 (45) Benjamin,J (2595)-Ziatdinov,R (2515) Sioux Falls 1998}) 11. O-O-O Nf7 12. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} h6 (12... exd4 $11 13. Bxd4 (13. Nxd4 c5 $11) (13. Qxd4 c5 $11) 13... h5) 13. h5 g5 14. Ne2 (14. d5 $14) 14... d5 (14... O-O $11) 15. Qc5 $16 Bb7 16. Nc3 {[%cal Be2c3,Bc3a4,Ba4c5][%mdl 32]} Bf8 17. Qa5 O-O-O 18. dxe5 Nxe5 19. Nxe5 fxe5 20. Bc5 Qg4 21. Na4 Qxe4 22. Rh3 (22. f3 $16 Qc4 23. Bxf8 Rdxf8 24. b3) 22... d4 $2 {[%mdl 8192] [#]} ({But not} 22... Qxg2 $2 23. Rb3 $18) (22... Qc4 $11 {and Black stays safe.}) 23. Rb3 $18 Rd5 24. Qb4 $1 $40 {[%cal Rb4b7][%mdl 128] White has strong attack.} Rxc5 25. Nxc5 Bxc5 26. Qxc5 Rd8 27. Rf3 Qd5 28. Qxd5 Rxd5 29. Re1 c5 {Black hopes to continue with ...e4.} 30. Rf6 Rd6 31. Rf8+ Kd7 32. Rxe5 Bxg2 33. Rxc5 {Precision: White = 65%, Black = 57%.} 1-0

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Paravyan, David"]
[Black "Alekseenko, Kirill"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2548"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,26,0,18]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 $146 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 Rf8 {LiveBook: 2199 Games} 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Moiseenko, Vadim"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2543"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,39]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 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. Ng5 $146 ({Predecessor:} 11. Nbd2 Bf8 12. a4 Qd7 13. d5 Ne7 14. Nf1 h6 15. N3h2 c6 16. dxc6 Bxc6 17. Ng4 Nxg4 18. hxg4 d5 19. axb5 axb5 20. Rxa8 Rxa8 21. exd5 Nxd5 22. Rxe5 {½-½ (60) Inarkiev,E (2693)-Svidler,P (2760) Antalya 2017}) 11... Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 Re8 1/2-1/2

[Event "Chigorin Mem. Russian Cup 2017"]
[Site "St. Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Zakhartsov, Vladimir"]
[Black "Vorobiov, Evgeny E"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2461"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,73,20,0,16,18,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-26,0,0,0,0,0,0,0,0,0,-71,0,0,0,-65,0,0,0,-62]} 1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Rab1 e6 16. Rfd1 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} Be5 17. Qe1 Qe7 18. Nb5 {[#] LiveBook: 3 Games} b6 $146 ({Predecessor:} 18... Rfd8 19. Nd4 Be8 20. Bf1 b6 21. Kh1 Qf6 22. Ne2 Qe7 23. Nd4 Qf6 24. Rd2 h5 25. Rbd1 Rac8 26. Qf2 d5 27. exd5 {½-½ (27) Korneev,O (2606)-Bauer,C (2609) France 2007}) 19. f4 Bg7 20. Nxd6 e5 21. Qf2 Rfd8 22. Bxc5 bxc5 23. Qxc5 Rac8 $1 24. b4 axb4 25. Qxb4 Rb8 26. Qxb8 Rxb8 27. Rxb8+ Bf8 28. Rc8 Qa7+ (28... Ba4 $5 {[%cal Ra4d1]} 29. Rd3 Qa7+ 30. Kf1 exf4 $16) 29. Kf1 Ba4 $36 {[%mdl 2048] Black fights for an advantage.} 30. Rb1 ({Of course not} 30. fxe5 Bxd1 31. Bxd1 Qxa2 $17) 30... Qe3 31. fxe5 Bc2 32. Re1 Qf4+ 33. Bf3 (33. Kg1 $11 Qe3+ 34. Kf1) 33... Qd2 (33... Qxh2 $17 34. Re8 Ba4) 34. Be2 Qf4+ 35. Bf3 (35. Kg1 $11) 35... Qd2 (35... Qxh2 $15 36. Re8 Ba4) 36. Be2 Qf4+ 37. Bf3 (37. Kg1 $11 Qe3+ 38. Kf1) 1/2-1/2

