[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "1"]
[White "Anand, Viswanathan"]
[Black "Kramnik, Vladimir"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2786"]
[BlackElo "2811"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,45,14,26,0,9,0,17,7,22,22,17,11,18,14,24,12,31,32,22,15,32,32,27,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a6 7. O-O h6 8. Na3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} O-O 9. Nc2 Re8 10. Re1 Ba7 11. Be3 Bb8 $146 (11... Be6 12. Bxe6 Rxe6 13. Bxa7 Rxa7 14. d4 exd4 15. Nfxd4 Nxd4 16. Qxd4 {½-½ (38) So,W (2773)-Mamedyarov,S (2747) Wijk aan Zee 2016}) 12. Qd2 Ng4 13. b4 Ne7 14. d4 (14. h3 $5 {with more complications.} Nxe3 15. Nxe3 Ng6 16. Qa2 Qd7 17. g3) 14... Ng6 (14... exd4 $5 {feels hotter.} 15. cxd4 c6 16. Bf4 d5 17. exd5 Nxd5 18. Rxe8+ Qxe8 19. Bxb8 Rxb8 20. Bxd5 cxd5 21. a5 Bd7) 15. dxe5 Nxe3 16. Nxe3 {Hoping for exd6.} Nxe5 17. Nxe5 Rxe5 18. Qa2 (18. f4 $5 {creates asymmetry.} Re8 19. a5 c6 20. Bd3 Ba7 21. Kh1) 18... Be6 {The position is equal.} 19. Bxe6 Rxe6 20. Nf5 Ba7 21. Nd4 Re5 22. Nf3 Re6 23. Nd4 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "1"]
[White "Svidler, Peter"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2747"]
[BlackElo "2751"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 7,61,16,15,-4,-3,-40,-31,-56,-29,-20,-7,-93,-86,-89,-88,-84,-68,-77,-78,-76,-50,-51,-35,-38,-47,-42,-19,-63,-25,-60,-29,-37,-37,-14,-20,-37,-28,-57,-38,-53,-64,-73,-9,-13,-26,-28,-16,-40,0,0,189,8,5,5,6,8]} 1. Nf3 Nf6 2. c4 c5 3. b3 g6 4. Bb2 Bg7 5. Nc3 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (5. g3 d6 6. Bg2 e5 7. O-O O-O 8. Nc3 Nc6 9. d3 Ne8 10. Nd2 Nc7 11. a3 Rb8 12. b4 cxb4 13. axb4 Nxb4 14. Qb3 Nba6 15. Ba3 Be6 16. Nde4 b5 17. Bxd6 bxc4 {1-0 (45) Karjakin,S (2785)-Grischuk,A (2737) Doha 2016}) 5... O-O 6. d4 cxd4 7. Qxd4 {Black is slightly better.} Nc6 8. Qd2 $1 Qa5 9. Na4 $146 (9. Rb1 $11) (9. Rd1 Ne4 10. Nxe4 Bxb2 11. Qxa5 Nxa5 12. e3 Nc6 {1-0 (35) Hevia Alejano,C (2492)-Serna,J (2022) Brownsville 2017}) 9... Nb4 10. Bxf6 Bxf6 11. Rc1 d6 12. e3 b6 13. a3 Nc6 (13... Na6 $5 {with more complications.} 14. Be2 Bd7 15. Qxa5 bxa5 16. c5 Nxc5 17. Nxc5 dxc5 18. O-O Rfc8) 14. Be2 Bd7 15. O-O Rfc8 16. Rfd1 Rab8 17. h3 Be8 18. Rc2 (18. Qd5 $2 Qxd5 19. Rxd5 (19. cxd5 Na5 20. Nd2 b5 $17) 19... Na5 $17) 18... a6 19. Qc1 b5 20. Nc3 $1 {[%cal Rc3d5]} b4 21. axb4 Nxb4 22. Rcd2 Bg7 23. Nd4 d5 24. Qb1 {[#]} dxc4 ({Better is} 24... e6 $1 $17 {Black wants to play ...Nc6.} 25. Qc1 Bd7) 25. Bxc4 $11 e6 26. Ne4 Rd8 27. Qc1 Nd5 28. Bxd5 Qxd5 $2 {[#]} (28... Rxd5 $11 29. Nc6 Bxc6 30. Qxc6 Rxd2 31. Rxd2 Qb5) 29. Nb5 $2 ({But not} 29. Nc6 $6 Bxc6 30. Rxd5 Bxd5 $14) ({White must play} 29. Nf5 $1 $18 {[%cal Rf5e7][%mdl 512]} Qa8 (29... Qxf5 30. Rxd8) 30. Rxd8 (30. Nxg7 Rxd2 31. Nxe8 Rxd1+ 32. Qxd1 Rxe8 33. Nf6+ Kf8 $16) 30... Rxd8 31. Nxg7 Rxd1+ 32. Qxd1) 29... Rdc8 30. Qxc8 $1 Rxc8 31. Rxd5 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "1"]
[White "Oparin, Grigoriy"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2604"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,16,10,0,15,0,0,0,4,0,0,0,0,0,10,1,31,27,32,25,17,21,25,8,10,0,0,-8,0,0,0,0,19,35,20,0,47,50,47,43,52,22,60,56,44,26,27,0,12,0,0,0,0,0,0,0,0,0,-8,-2,0,-8,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 12. exf5 Nbc6 13. Nd5 e6 14. fxe6 fxe6 15. Ne3 Qa5+ 16. c3 Nf3+ 17. Qxf3 Bxc3+ 18. Kd1 Qa4+ 19. Nc2 Bxb2 {½-½ (62) Nakamura,H (2785)-Grischuk,A (2742) Sharjah 2017}) 6... e6 {LiveBook: 6 Games} 7. a4 (7. Be2 $5 {creates asymmetry.} b5 8. a3 Bb7 9. O-O Nbd7 10. Qe3) 7... Nc6 $146 (7... Nbd7 8. Be2 Nc5 9. Qe3 g6 10. O-O Bg7 11. Rd1 Qe7 12. b4 Ncd7 13. Ba3 O-O {1-0 (41) Gadimbayli,A (2315)-Esserman,M (2467) Budapest 2017}) 8. Nxc6 bxc6 9. Qg3 d5 10. Bd3 g6 11. O-O Bg7 12. a5 O-O 13. Re1 d4 {[#] Threatens to win with ...Nh5.} 14. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4,Bc4b6][%mdl 32]} Nh5 {[%cal Bf6h5,Bh5f4,Bf4d3][%mdl 32]} 15. Qf3 e5 16. Nd2 Nf4 17. Nc4 (17. Bf1 $5 {looks sharper.} Qf6 18. Qa3 Rd8 19. Nc4 Rb8 20. Qg3) 17... Nxd3 18. Qxd3 Be6 19. Bd2 c5 20. Nb6 Ra7 21. b4 cxb4 22. Bxb4 Re8 23. c4 dxc3 24. Qxc3 Rc7 25. Qa3 $1 Bf8 26. Rad1 Qg5 27. Bxf8 Rxf8 28. Nd5 Rd7 29. Rd3 Rc8 {The position is equal.} 30. h3 Rc4 31. Qb3 Rd4 32. Rxd4 exd4 33. Qd3 Bxd5 34. exd5 Qxd5 ({Don't do} 34... Rxd5 35. Qxa6 Rxa5 36. Qd6 $11) 35. Qxa6 $11 {KQR-KQR} d3 36. Rd1 d2 37. Qe2 Rd8 38. a6 Qd4 {[#]} 39. a7 $1 {[%mdl 512]} Qxa7 {Strongly threatening ...Qc7.} 40. Rxd2 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "1"]
[White "Pelletier, Yannick"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2541"]
[BlackElo "2793"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,134,26,35,31,23,22,35,1,24,18,27,26,28,31,25,23,21,0,24,27,27,27,29,12,23,15,40,26,45,31,31,5,15,2,17,-6,0,0,18,18,18,16,16,23,16,11,11,17,19,4,28,18,14,3,10,-16,-5,-10,8,9,3,35,67,50,60,52,58,67,63,56,58,27,21,0,12,0,0,0,0,-75,-43,-71,-45,-40,-25,-40,-26,-193,-170,-459,-457,-454,-436,-560,-543,-512,-375,-523,-168,-168,-168,-168,-168,-161,-154,-153,-61,-458,-458,-581,-573,-559,-537,-541,-531,-566,-556,-507,-399,-727,-711,-665,-660,-647,-639]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 {LiveBook: 53 Games} 7. e3 Nbd7 8. Bd3 {White has an edge.} h6 9. Bh4 Be7 (9... g5 10. Bg3 Nh5 11. Be5 Ng7 12. h3 Nxe5 13. Nxe5 Bd6 {½-½ (60) Van Wely,L (2695)-Andreikin,D (2736) Wijk aan Zee 2017}) 10. O-O O-O 11. Rc1 Re8 12. h3 $146 (12. Qc2 c6 13. Bg3 Rc8 14. Na4 c5 15. dxc5 Nxc5 16. Nxc5 Bxc5 17. Qb1 Qb6 18. Be5 Bg4 19. Bf5 {½-½ (19) Isigkeit,H (2361)-Baranowski,T (2470) ICCF email 2008}) 12... Bd6 13. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} c6 14. Bg3 Qb8 15. Bxd6 Qxd6 16. Ng3 Rac8 17. Re1 {[%cal Bf1e1,Be1e2,Be2c2][%mdl 32]} a5 18. Re2 Rc7 19. Rec2 Rec8 20. Qe1 Qb4 21. Nf5 {Black must now prevent Qxb4.} Qxe1+ 22. Nxe1 {Hoping for Ne7+.} Rd8 23. f3 Bxf5 24. Bxf5 Nb6 25. g4 Nc4 26. Kf2 Re7 27. Ng2 a4 28. Bd3 Nd6 29. Rc5 Ra8 30. h4 Nfe8 31. g5 hxg5 32. hxg5 g6 33. Re1 Ng7 34. Nf4 Rae8 35. Ra5 Ngf5 {[%cal Rf5e3]} 36. Ng2 b5 37. Ra6 Rc7 38. Rc1 Rec8 39. b3 axb3 40. axb3 Kg7 41. Bxf5 (41. Nf4 $5 {seems wilder.} Ne7 42. Rca1 Rh8 43. Ra8 Rh4 44. Rd8) 41... Nxf5 42. Nf4 Ne7 43. Ra2 Rh8 44. Rac2 Ra7 45. Nd3 (45. Rxc6 $11 Nxc6 46. Rxc6) 45... Nf5 46. Nf4 Rh2+ 47. Kg1 $1 {[%cal Rg1h2]} Rh4 48. Rxc6 Nxe3 49. Rf6 $2 {[#]} (49. Ng2 $1 $11 {and White has nothing to worry.} Nxg2 50. Kxg2) 49... Nf5 $1 $19 50. Ne2 $2 (50. Nxd5 Rxd4 51. Nc7) 50... Ra2 ({Less strong is} 50... Nxd4 51. Nxd4 Rxd4 52. Kf2 $17) 51. Rc7 Rxe2 52. Rfxf7+ Kg8 53. Rfd7 {White threatens Rd8+ and mate.} Re8 54. Rc6 Ne7 $2 (54... Nxd4 $2 55. Rxg6+ Kh8 56. Rf6 $19) (54... Rxd4 {( -> ...Rd1+)} 55. Rxg6+ Kh8) 55. Re6 {[#]} Rh7 $1 ({Stronger than} 55... Rxd4 56. Rexe7 Rxe7 57. Rxe7 $11) 56. Rxd5 Nxd5 57. Rxe8+ {[%mdl 4096] Endgame KRN-KR} Kf7 58. Re5 Nc3 (58... Nc7 $17 {Threatens to win with ...Rh4.} 59. d5 Rh8) 59. b4 $2 {[%mdl 8192]} (59. Rc5 $1 $15 Ne2+ 60. Kf2 Rh2+ 61. Ke3) 59... Rh4 60. Rc5 Ne2+ ({Inferior is} 60... Rxd4 61. Rxc3 Rxb4 62. Rc6 $11) 61. Kf2 Nxd4 62. Kg3 Rh1 63. Rd5 Nf5+ 64. Kf2 Rh2+ 65. Kg1 $2 {[#]} (65. Ke1) 65... Rg2+ $1 {[%mdl 512] Black is clearly winning.} 66. Kh1 (66. Kxg2 Ne3+) 66... Rxg5 {Strongly threatening ...Ng3+.} 67. Kh2 {[#]} Nh4 $1 {[%mdl 512]} 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "2"]
[White "Nakamura, Hikaru"]
[Black "Oparin, Grigoriy"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2793"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,41,16,10,30,19,34,24,53,31,38,16,28,22,34,11,33,16,19,20,72,70,78,89,125,116,522,525,489,499,752,749,995,965]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. Na3 a6 5. c4 b4 6. Nc2 e6 {A05: Réti Opening: 1 Nf3 Nf6} 7. O-O Be7 8. d4 Be4 {White has an edge.} 9. a3 bxa3 10. b3 (10. Nxa3 c5 11. dxc5 Bxc5 12. Nb1 O-O 13. Nc3 Bb7 14. Bf4 {½-½ (47) Artemiev,V (2677)-Georgiev,K (2633) Skopje 2017}) 10... O-O $146 (10... c5 11. Bxa3 cxd4 12. Ncxd4 O-O 13. Qc1 Nc6 14. Nxc6 Bxc6 15. Bxe7 Qxe7 {½-½ (110) Seeman,T (2414)-Mertanen,J (2228) Jyvaskyla 2015}) 11. Bxa3 d6 12. Ne3 {[%cal Bc2e3,Be3d1,Bd1c3][%mdl 32]} c6 13. Qd2 $36 {[%mdl 2048] White has the initiative.} Nbd7 14. Nd1 Qb6 {[#]} (14... Rb8 $11) 15. Nc3 $1 $16 Qxb3 16. Ne5 dxe5 17. Bxe7 exd4 $2 {[%mdl 8192]} (17... Bxg2 $16 18. Rfb1 (18. Kxg2 exd4 19. Bxf8 Qxc4 20. Bxg7 Kxg7 $11) 18... Qxc4) 18. Nxe4 $18 {White is clearly winning.} Nxe4 19. Bxe4 Rfe8 (19... Rfc8 $142 20. Qxd4 Qb7) 20. Bxc6 Ra7 21. Qxd4 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "2"]
[White "Nepomniachtchi, Ian"]
[Black "Kramnik, Vladimir"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2751"]
[BlackElo "2811"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,157,29,0,0,0,0,-11,4,0,2,0,0,0,6,6,28,26,24,19,35,8,11,5,6,13,20,9,17,0,0,-5,-12,-12,-2,-19,0,0,66,74,68,61,70,58,68,63,56,0,99,0,0,0,0,-14,8,8,8,3,18,18,25,35,51,37,46,43,75,76,118,118,118,107,97,12,22,22,24,31,74,74,74,74,74,74,73,52,73,73,75,75,75,74,75,75,100,74,74,74,74,74,74,74,74,74,74,74,74,74,75,75,75,74,75,74,74,74,75,75,75,75,79,78,88,88,29989,29990,29990,29991,29991,29992,29992,29992,29993,95]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 h6 7. Bh4 Be7 8. e3 O-O 9. Bd3 Re8 10. Nge2 {[%cal Bg1e2,Be2c1,Bc1b3,Bb3c5][%mdl 32]} Nh5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 11. Bxe7 Qxe7 12. O-O Nd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 13. Rae1 Nf8 14. Nc1 {LiveBook: 3 Games} Nf6 15. Nb3 Ne6 16. f3 a5 17. Na4 $146 (17. a3 b6 18. Na4 Qa7 19. Nc1 Bd7 20. Nc3 {½-½ (20) Rapport,R (2646)-Solodovnichenko,Y (2559) Deizisau 2013}) 17... Qd8 18. Nbc5 Nf8 19. Qb3 b5 20. Nc3 Ne6 21. Nxe6 $1 Bxe6 22. Qc2 Qb6 23. Qf2 a4 24. Rc1 b4 25. Ne2 Ra5 26. h3 c5 27. dxc5 Rxc5 28. e4 Nd7 29. Rxc5 Qxc5 30. Rc1 Qxf2+ 31. Kxf2 Ne5 (31... dxe4 $11 32. Bxe4 (32. fxe4 Ne5 33. Bb5 Rd8 $17) 32... Rb8) 32. Bb5 $1 $14 {[%csl LRa4,LRe8]} Rb8 33. Rc5 Bd7 $1 34. Ba6 Rb6 35. Rxd5 f6 36. Ra5 (36. f4 $1 $14 Rxa6 37. fxe5) 36... g5 (36... Kf8 $1 $11) 37. g3 ({Better is} 37. Ke3 $16) 37... Kf8 $11 38. Nd4 {Hoping for Be2.} Rd6 39. f4 (39. Ne2 $5 {with more complications.} Rb6) 39... gxf4 ({Worse is} 39... Bxh3 40. fxe5 Rxd4 41. exf6 $16 (41. Rxa4 fxe5 42. Ke3 Kg7 $11)) 40. gxf4 Rxd4 41. fxe5 Rxe4 42. exf6 {[%mdl 4096] Endgame KRB-KRB} Rf4+ 43. Ke3 Rxf6 44. Bb5 Bxh3 45. Rxa4 Be6 46. b3 h5 47. Rxb4 Ke7 48. Be2 Rf5 49. Rh4 ({White should try} 49. Re4 $16 Kd6 50. Bc4) 49... Ra5 50. Re4 {[#] aiming for Bc4.} Kf6 51. b4 Ra3+ 52. Kd4 Bf5 53. Rh4 ({But not} 53. Bxh5 $6 Bxe4 54. Kxe4 Rxa2 $11) 53... Rxa2 54. Bxh5 Rd2+ 55. Kc3 Rd3+ 56. Kc4 Kg5 57. Rh2 Rd8 58. Bf3 Kf4 59. Bc6 Rd1 60. b5 Bd3+ 61. Kc5 {Black must now prevent b6.} Rc1+ 62. Kd4 Bxb5 63. Bxb5 $16 {KRB-KR} Kg5 64. Rf2 Re1 65. Be2 Ra1 66. Bf3 Kf4 67. Be4+ Kg3 68. Rf8 Ra4+ 69. Ke3 Ra3+ 70. Bd3 Kg4 71. Rg8+ Kh5 {[#]} 72. Ke4 $1 Ra4+ 73. Kf5 {[%cal Rg8h8]} Kh4 74. Be4 Kh3 $2 {[%mdl 8192]} (74... Ra6 $16) 75. Kf4 {[%cal Rg8h8] White mates.} Kh2 76. Rg2+ Kh3 77. Rg1 {[%cal Rg1h1]} Ra2 78. Rg8 {[%cal Rg8h8]} Kh2 79. Rh8+ 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "2"]
[White "Gelfand, Boris"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2724"]
[BlackElo "2747"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,10,0,0,0,0,0,17,15,33,39,56,56,56,56,56,54,54,7,54,54,77,76,76,77,77,77,66,66,67,68,76,77,77,45,38,4,72,72,72,73,74,69,76,70,82,61,71,66,56,10,10,10,10,10,13,10,19,19,24,19,20,2,0,0,22,14,14,14,21,21,21,21]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. Bb5+ Bd7 8. Be2 Bg7 9. O-O O-O 10. d4 Qa5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} 11. Qb3 Bc6 12. Bd2 {LiveBook: 3 Games} Nd7 $146 {[%cal Bb8d7,Bd7c5,Bc5e4,Be4c3][%mdl 32]} (12... e6 13. c4 Qb6 14. Rfd1 Nd7 15. Bc3 Rac8 16. d5 Qxb3 17. axb3 Bxc3 18. dxc6 {1-0 (45) Gelfand,B (2721)-Gopal,G (2579) Caleta 2017}) 13. c4 Qa6 $1 14. Bc3 cxd4 15. Nxd4 Nc5 16. Qb4 Ne4 17. c5 $36 {[%mdl 2048] White is pushing.} Qa4 18. Nxc6 Nxc3 19. Qxa4 Nxa4 20. Nxe7+ Kh8 21. Rac1 Nc3 {[#]} 22. Bf3 $1 Rad8 23. c6 ({Stronger than} 23. Bxb7 Rd7 24. Nxg6+ (24. Rxc3 Bxc3 25. Nd5 Rxb7 $17) 24... fxg6 $15) 23... bxc6 24. Nxc6 Rd2 25. Nxa7 Rxa2 26. Nc6 h5 27. g3 Rd2 28. Nb4 Rb8 29. Rc2 (29. Nc2 $5 {looks sharper.} Rb3 30. Ne1 Rb4 31. h4 Rbb2 32. Ng2) 29... Rxc2 (29... Nb1 $1 $11 {keeps the balance.} 30. Rcc1 Nc3) 30. Nxc2 $16 Rb2 31. Na3 Bf6 32. Nc4 Rc2 33. Kg2 Kg7 34. Na5 Be7 35. Nb3 Rb2 36. Nd4 Bc5 37. Rc1 Bxd4 $1 38. exd4 $11 {[%mdl 4096] Endgame KRB-KRN} Nb5 $1 39. Rd1 Kf6 40. Bc6 Nd6 41. Rd3 Rb4 {The position is equal.} 42. Bd7 Ke7 43. Bc6 Kf6 44. h4 Nf5 45. d5 {Black should prevent d6.} Nd6 46. Rf3+ Ke5 47. Re3+ 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "2"]
[White "Pelletier, Yannick"]
[Black "Anand, Viswanathan"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2541"]
[BlackElo "2786"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,18,11,29,38,36,27,38,27,34,27,33,22,33,30,108,31,29,33,65,1,31,8,22,9,54,19,18,26,68,0,0,0,17,-19,0,0,113,-56,-48,-64,-33,-250,-47,-201,-202,-204,-204,-186,-188,-262,-191,-528,-511,-759,-689,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O c6 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} (8... Ne4 9. Qc2 Nxc3 10. Qxc3 c5 11. Rd1 d6 12. d5 exd5 13. cxd5 Bf6 14. Qc2 Nd7 15. Bf4 Qe7 16. e4 Rfe8 17. Re1 Ne5 18. Nxe5 Bxe5 19. Bxe5 Qxe5 20. f4 {½-½ (39) Mamedyarov,S (2747)-Ivanchuk,V (2710) Huaian 2016}) 9. Rd1 d5 10. Ne5 Nfd7 {White has an edge.} 11. cxd5 cxd5 12. e4 dxe4 13. Nxe4 {Strongly threatening Nf6+!} Bd5 14. Bf4 Qe8 $146 {[#]} (14... Nf6 $11 {remains equal.} 15. Nc3 Bxg2 16. Kxg2 Qc7) (14... Nf6 15. Nxf6+ Bxf6 16. Bxd5 Qxd5 {½-½ (66) Repasi,Z (2215)-Somogyi,I (2176) Hungary 2010}) 15. Rac1 (15. Nc4 $1 $16) 15... Nxe5 $1 $14 16. Qxe8 Rxe8 17. Bxe5 (17. dxe5 $14 Rd8 18. Rxd5 exd5 19. Nd6) 17... Nd7 18. Rc7 Red8 19. Rdc1 Kf8 20. Nc3 Bxg2 21. Kxg2 g5 22. g4 (22. Ne4 $14) 22... Nxe5 $11 23. dxe5 Rd4 24. f3 Rd2+ 25. Kg3 Rad8 (25... Bd8 $11 26. Rb7 Rc8) 26. Rxa7 $2 (26. Ne4 $16) 26... f5 $1 $15 ({And not} 26... Rxb2 27. Ne4 Bc5 28. Nxg5 $18 (28. Nxc5 bxc5 29. h4 h6 $15)) 27. gxf5 exf5 {[#] White must now prevent ...h5.} 28. Nb5 $2 (28. h4 $1 $15) 28... Re2 $2 (28... Rxb2 $19 29. Nc7 Kf7) 29. h4 $2 (29. Nd6 $1 $15 Rxe5 30. Rc8) 29... Rxe5 $19 30. a4 gxh4+ 31. Kf4 Re2 32. Kxf5 (32. Rac7 {was called for.}) 32... h3 {[%cal Bh4h3,Bh3h2][%mdl 32]} ({Not} 32... Rxb2 33. Re1 Bc5 34. Rxh7 $11) 33. Kg4 $2 (33. Nc3 Rxb2 34. Ne4) 33... h2 ({Worse is} 33... Rxb2 34. Kxh3 Rb3 35. Kg4 $15) 34. Kg3 Rd5 35. f4 Rd3+ {Black mates.} 36. Kg4 Rg2+ 37. Kf5 Rg1 38. Rc8+ Kf7 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "3"]
[White "Kramnik, Vladimir"]
[Black "Gelfand, Boris"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2811"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,90,12,1,6,0,14,-19,-24,-23,-20,-12,-22,-26,-14,-27,-25,-13,4,-6,0,-22,-13,-68,-70,-152,-109,-227,-227,-227,-227,-227,-226,-226,-229,-189,-209,-229,-229,-225,-153,-245,-239,-249,-251,-264,-188,-247,-216,-213,-193,-256,-255,-282,-273,-257,-274,-364,-357,-371,-386,-546,-537,-540,-512,-1204,-1192,-1223,-1182,-1159,-1135,-1877,-1799,-1799,-1745,-29998,-29999]} 1. Nf3 d5 2. e3 Nf6 3. d4 c5 4. Nbd2 Nc6 5. dxc5 {D04: Colle System} (5. Bb5 Bf5 6. dxc5 Rc8 7. O-O e6 8. b4 Be7 9. Bb2 O-O 10. a3 Bg4 11. h3 Bh5 12. Be2 Qc7 {½-½ (58) Kovalenko,I (2656)-Razin,V (2341) Lutsk 2015}) 5... e6 6. a3 a5 7. b3 Bxc5 8. Bb2 O-O 9. Bb5 $146 {LiveBook: 3 Games} (9. Bd3 Qe7 10. c4 b6 11. Qc2 h6 12. O-O Bb7 13. cxd5 exd5 {1-0 (36) Cherednichenko,S (2307)-Krush,I (2460) Reykjavik 2013}) 9... Qe7 10. O-O Bd6 11. Re1 e5 12. e4 Nxe4 13. Nxe4 dxe4 14. Rxe4 Bf5 15. Re1 {next Bxc6 is good for White.} Rfd8 16. Qe2 f6 17. Nh4 Be6 18. Bd3 Bc5 $36 {[%mdl 2048] Black has some pressure.} 19. Kh1 (19. Nf5 $11 Qf7 20. Rad1) 19... Nd4 $15 20. Qe4 ({White should play} 20. Bxd4 $15 Bxd4 21. Rab1) 20... g6 21. f4 {[#]} (21. Rad1 $17) 21... Bd5 $1 $19 {[%cal Rd5e4]} 22. Bc4 Bxc4 23. bxc4 {[#]} f5 $1 {[%cal Rf5e4]} 24. Qxe5 Qxe5 25. Rxe5 Nxc2 26. Rxc5 {And now Rc1 would win.} Nxa1 {[%cal Rd8d1]} 27. h3 {intending Rc7.} Rac8 ({Resist} 27... Rd1+ 28. Kh2) 28. Rb5 (28. Rxc8 $17 Rxc8 29. Bxa1) 28... Rd7 (28... Rxc4 29. Rxb7 Nc2 30. Be5 $17) 29. Nf3 Nc2 ({Weaker is} 29... Rxc4 30. Kh2 Nc2 31. Ne5 $15) 30. Ne5 Re7 31. c5 (31. a4 $142) 31... Ne3 32. Rxa5 Nd5 33. g3 (33. Ra4 $142) 33... Nf6 34. Kg2 Ne4 35. Bd4 Rec7 ({Don't take} 35... Rd8 36. Be3 $17) 36. h4 Nxc5 37. Rb5 Ne4 38. h5 (38. g4 {was necessary.}) 38... gxh5 39. Nf3 Rc1 {Hoping for ...R8c2+.} 40. Ng1 (40. Rb2 $142) 40... R8c2+ 41. Kh3 Nf2+ 42. Kh4 Rxg1 43. Rxb7 Rh1+ 44. Kg5 Ne4+ 45. Kh6 Rc6+ 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "3"]
[White "Anand, Viswanathan"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2786"]
[BlackElo "2751"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,71,0,0,11,11,28,-20,0,2,-6,-3,-18,-27,-18,-37,-57,-100,-99,-117,-118,-116,-102,-169,-68,-82,-60,-61,-63,-59,-15,-33,-60,-121,-31,-41,-47,-52,-34,-33,-33,-24,-5,-5,0,0,0,0,0,0,0,-24]} 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 Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Qd3 Nd7 12. O-O-O {LiveBook: 12 Games} b5 $146 (12... g6 13. Kb1 Nc5 14. Qa3 Bxd5 15. Rxd5 {1-0 (41) Salem,A (2652)-Areshchenko,A (2682) Sharjah 2017}) 13. Kb1 Rb8 14. a3 (14. f4 $5 {is more complex.} Bxd5 15. Qxd5 Qc7 16. Qd2 Nf6 17. Nc3) 14... Bxd5 (14... Nc5 $5 {seems wilder.} 15. Qf3 Bxd5 16. Rxd5 Qb6 17. c3 Be7) 15. Qxd5 Be7 16. Nc3 O-O 17. Qd2 Nf6 18. g4 b4 (18... hxg4 19. hxg4 Nxg4 20. Qe2 $16) 19. axb4 Rxb4 20. f3 Qb6 21. b3 Rb8 22. Rh2 {[#]} (22. g5 $2 Rxb3+ $1 {[%mdl 512]} 23. cxb3 Qxb3+ 24. Ka1 Nxe4 $1 {[%mdl 512]} 25. fxe4 Bxg5 $19) (22. Na2 $17 Rd4 23. Qe2) 22... Rd4 (22... d5 $1 $19 {Strongly threatening ...d4.} 23. g5 (23. exd5 $2 Bc5 24. g5 Nd7 $19) 23... Nh7) 23. Qe1 $15 {[#]} d5 $1 {[%mdl 512] ...Bb4 is the strong threat.} 24. Rxd4 $1 (24. exd5 $2 Bb4 25. Rxd4 Qxd4 $19) (24. Nxd5 Nxd5 25. exd5 Bb4 $19) (24. Nxd5 Nxd5) 24... exd4 25. Na4 (25. Nxd5 $6 Nxd5 26. exd5 Bb4 $11) 25... Qc7 26. e5 Bb4 27. Qe2 (27. Qg3 $1 $15) 27... Re8 (27... Nd7 $17 28. f4 Nc5 29. Nxc5 Qxc5) 28. Qxa6 Rxe5 {White must now prevent ...Re1+.} ({But not} 28... Qxe5 29. Re2 Qg3 30. Rxe8+ Nxe8 31. Bd3 $11) 29. Re2 Re3 30. Rxe3 dxe3 31. g5 Nd7 32. Qa8+ {The position is equal.} Nf8 {Threatens to win with ...Qg3.} 33. Qxd5 Qe7 {aiming for ...e2.} 34. Qe4 Qxe4 35. fxe4 Ne6 36. c3 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "3"]
[White "Svidler, Peter"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2747"]
[BlackElo "2793"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,96,2,6,6,8,12,10,17,23,10,6,6,25,25,20,-17,0,0,3,-7,35,32,30,34,43,27,56,12,6,0,0,0,27,-12,13,0,0,-14,0,0,0,0,0,0,0,-14,18,10,95,95,93,91,88,79,142,142,165,143,165,43,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-81,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nd7 5. O-O Ngf6 6. b3 O-O 7. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} c5 (7... b6 8. c4 e6 9. Nc3 Bb7 10. cxd5 exd5 11. Rc1 c5 12. e3 Qe7 13. Qe2 Rfd8 14. Rfd1 Rac8 {½-½ (50) Howell,D (2644)-Svane,R (2555) Doha 2016}) 8. Na3 b6 $146 (8... Re8 9. c4 cxd4 10. Nxd4 Nf8 11. Ndc2 dxc4 12. Nxc4 Bf5 13. N2e3 Be4 14. f3 Bc6 15. Qe1 {1-0 (40) Heurung,D-Doren,D USA corr 1991}) 9. c4 Bb7 10. cxd5 Bxd5 11. Rc1 e6 12. Nc4 Qe7 13. Nfe5 Bxg2 14. Kxg2 Rac8 15. e3 Nxe5 16. dxe5 Nd5 {[%cal Bf6d5,Bd5e7,Be7f5][%mdl 32]} 17. Qe2 Rcd8 18. a3 Qc7 19. Rfd1 Ne7 20. Qf3 Nf5 21. Qe4 b5 22. Nd2 Qb6 23. Nf3 a6 24. Qc2 Rc8 25. e4 Ne7 26. Rd6 $36 {[%mdl 2048] Black is under pressure.} Qb7 27. Qe2 Rc7 28. h4 c4 29. bxc4 Bh6 (29... Rxc4 $11 30. Rxc4 bxc4) 30. Rc2 $16 Rxc4 31. Rxc4 bxc4 32. Nh2 {[%cal Bf3h2,Bh2g4,Bg4f6][%mdl 32]} Qb3 (32... Bg7 $142) 33. Ng4 Bg7 34. Nf6+ ({Don't take} 34. Rxa6 $6 c3 35. Bc1 Qb1 $14) 34... Kh8 35. Rd7 ({But not} 35. Rxa6 $6 c3 36. Bc1 Ng8 $14) (35. Qd2 $18) 35... c3 $1 $14 {[%cal Rc3b2]} 36. Bxc3 Qxc3 37. Rxe7 Qxe5 38. Ng4 $1 {[%cal Rg4e5]} Qc5 39. Rb7 h5 40. Nh2 Qxa3 41. Nf3 a5 42. Ng5 Kg8 43. Qc4 Qc3 44. Qb5 {[#]} (44. Qa4 $11) 44... Qe5 ({Black should play} 44... Bh6 $1 $17) 45. Qd7 {The position is equal.} Qd4 {aiming for ...Qxd7.} 46. Qc7 Qe5 {Strongly threatening ...Qxc7.} 47. Qd7 Qd4 {White must now prevent ...Qxd7.} 48. Qc7 Qe5 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "3"]
[White "Oparin, Grigoriy"]
[Black "Pelletier, Yannick"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2604"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,77,33,31,42,37,50,35,93,11,11,-16,-18,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. d3 Nbd7 {[%cal Bb8d7,Bd7e5,Be5f3][%mdl 32]} 6. c4 Bxf3 {A11: English Opening: 1...c6} 7. Bxf3 dxc4 8. dxc4 Ne5 9. Nd2 (9. Qb3 Nxf3+ 10. Qxf3 g6 11. Nc3 Bg7 12. Rd1 Qc8 13. Bf4 O-O 14. Rd3 {1-0 (54) Nepomniachtchi,I (2714)-Harikrishna,P (2727) Beijing 2014}) 9... Nxf3+ 10. Nxf3 Qxd1 11. Rxd1 {LiveBook: 3 Games} e6 12. Be3 Be7 13. Rd3 a6 $146 ({Black should try} 13... Ng4 $14) (13... O-O 14. Rb3 {½-½ (31) Pedersen,N (2453)-Skytte,R (2401) Aarhus 2012}) 14. a4 ({White should play} 14. Rad1 $16) 14... Nd7 $1 $11 {The position is equal.} 15. Rad1 O-O-O $1 16. Ng5 Bxg5 17. Bxg5 f6 $1 {[%cal Rf6g5]} 18. Be3 Ne5 19. Rxd8+ $1 Rxd8 20. Rxd8+ Kxd8 {[%mdl 4096] Endgame KB-KN} 21. b3 g6 22. h3 f5 23. f3 Ke7 24. Kf2 Nd7 25. Ke1 Kd6 26. Kd2 b5 27. cxb5 cxb5 28. axb5 axb5 29. Kc3 Nf6 30. Bh6 Nd5+ 31. Kd3 e5 32. e4 Nb4+ 33. Kc3 Nc6 34. Bf8+ Ke6 35. Bc5 fxe4 36. fxe4 h5 37. Kd3 Na5 38. Kc3 {aiming for Kb4.} Nc6 39. Kd3 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "4"]
[White "Nakamura, Hikaru"]
[Black "Kramnik, Vladimir"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2793"]
[BlackElo "2811"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,151,0,9,-1,12,6,11,4,27,-20,-9,-18,-6,-6,0,0,-3,-12,14,-8,-13,-19,0,-16,0,0,0,0,0,0,0,-14,-8,-12,14,12,18,15,44,66,68,0,0,0,49,44,44,50,39,44,52,10,10,10,26,0,0,-56,0,0,0,0,0,0,7,8,8,9,54,53,53,47,49,53,56,50,53,53,71,71,71,70,70,71,71,70,105,60,300,299,284,277,341,287,866,859,858,851,845,777,29960,29962,29964,29964,29968,29969,29968,29967,29970,29971,29975,29969,29968,29969,29970,29971,29971,29971,29983,29980,29979,29968,29971,29972,29970,29964,29977,29978,29978,29968,29976,29977,29984,29983,29983,29984,29984,29985,29985,29986,29997,5018]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nf6 5. h3 Bh5 6. d3 Nbd7 7. Qe1 {A07: Réti Opening: New York and Capablanca Systems} e5 8. e4 Be7 9. Nh4 {The position is equal.} O-O 10. Nd2 Re8 11. Nb3 $146 (11. Ndf3 dxe4 12. dxe4 Nc5 13. g4 Bg6 14. Nxg6 hxg6 15. Nxe5 Bd6 16. Nc4 Ncxe4 17. Nxd6 Qxd6 {½-½ (64) Onischuk,A (2667)-So,W (2822) Saint Louis 2017}) 11... a5 12. a4 Nc5 13. Nxc5 Bxc5 14. Bg5 h6 15. Bd2 Nh7 {[%cal Bf6h7,Bh7f8,Bf8e6,Be6c5,Bc5e4][%mdl 32]} 16. Kh2 Nf8 17. Be3 Ne6 18. Bxc5 Nxc5 19. Qc3 b6 20. exd5 cxd5 21. d4 Ne4 22. Qd3 (22. Bxe4 dxe4 23. dxe5 Rc8 $17) 22... exd4 23. Qxd4 Rc8 24. Nf5 {[%csl Gf5][%cal Rd4g7] [#]} Qg5 25. g4 $1 {aiming for f4.} ({But not} 25. Qxd5 $2 Nf6 26. f4 Qg6 $19) 25... Rxc2 26. f4 ({Better is} 26. Rae1 $1 $14) 26... Qg6 $11 {And now ...Bxg4! would win.} 27. Nh4 Qf6 28. Qxf6 Nxf6 29. gxh5 Nxh5 30. Kg1 Ng3 31. Rf3 Ne2+ 32. Kh1 g6 33. Bf1 Rxb2 34. Rd1 (34. Ng2 $11) 34... d4 (34... Re4 $15 35. Ra3 Rxf4) 35. Ng2 Re4 36. Re1 Kg7 37. Rxe2 Rexe2 38. Bxe2 Rxe2 {[%mdl 4096] Endgame KRN-KR} 39. Rd3 b5 {next ...b4 is good for Black.} 40. axb5 Rb2 $1 41. Rxd4 Rxb5 42. Kh2 g5 43. Rd6 f6 44. Kg3 Kg6 45. Ne3 {Hoping for f5+.} gxf4+ 46. Kxf4 Rb4+ 47. Kf3 a4 48. Ra6 {Threatens to win with Nd5.} Rd4 49. Ng2 {Black must now prevent Nf4+.} Kg5 $2 {[#]} (49... Rb4 $14) 50. Ra5+ $1 $18 f5 {Black hopes to continue with ...Rd3+.} 51. Ne3 Rd3 52. Rxa4 Rd6 $2 (52... Rb3 53. h4+ Kh5) 53. Ra5 Rf6 54. Ng2 Rb6 55. h4+ {[%cal Bh3h4,Bh4h5][%mdl 32]} Kg6 56. Nf4+ {White mates.} Kh7 57. Rxf5 Rb7 58. h5 Ra7 59. Rb5 Rd7 60. Ke4 Rf7 61. Re5 Ra7 62. Nd5 Ra1 63. Re7+ Kh8 64. Kf5 Rg1 65. Nf4 Kg8 66. Ra7 Rf1 67. Ra6 Kg7 68. Rg6+ Kh7 69. Rg4 Ra1 70. Nd5 Kh8 71. Kg6 Ra5 72. Rc4 {[%cal Rc4c8]} Ra6+ 73. Nf6 {[%cal Rc4c8]} Rc6 74. Rd4 {[%cal Rd4d8]} ({Worse is} 74. Kxh6 Rxc4 75. Kg6 Rc6 $11) 74... Rd6 75. Rd5 ({Weaker is} 75. Kxh6 Rxd4 76. Kg6 Rd6 $11) 75... Rd7 76. Nxd7 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "4"]
[White "Gelfand, Boris"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2724"]
[BlackElo "2751"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,98,29,0,10,0,0,0,8,0,7,1,0,5,12,0,0,-74,-75,-73,-59,-72,-53,-130,-69,-99,-138,-170,-147,-154,-121,-127,-4,-1,0,-4,-5,-4,-6,-15,47,58,45,53,51,42,40,30,27,-66,-66,-66,-66,-66,-69,-75,-78,-76,0,0,0,-77,-86,-86,-86,-84,0,0,0,0,0,0,0,0,0,0,15,0,4]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. Bb5+ Bd7 8. Be2 Bg7 9. O-O O-O 10. d4 Qa5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} 11. Qb3 Bc6 12. Bd2 {LiveBook: 3 Games} Nd7 $146 (12... e6 13. c4 Qb6 14. Rfd1 Nd7 15. Bc3 Rac8 16. d5 Qxb3 17. axb3 Bxc3 18. dxc6 {1-0 (45) Gelfand,B (2721)-Gopal,G (2579) Caleta 2017}) 13. c4 Qa6 $1 14. Bc3 Rab8 15. Rac1 Rfd8 16. d5 Bxd5 $1 17. cxd5 Qxe2 18. Bxg7 Kxg7 19. Rfe1 (19. Rc4 $1 $11 {remains equal.} Nb6 20. Rxc5 (20. Rc2 Qa6 $11)) 19... Qa6 $17 20. e4 e5 21. dxe6 Qxe6 22. Qa3 (22. Qxe6 $15 fxe6 23. Ng5) 22... a6 (22... b5 $1 $17 23. e5 b4) 23. Qb2+ Kg8 $1 24. Ng5 Qe5 (24... Qg4 25. Nh3 $17) 25. Qd2 Nf6 26. Qe3 Ng4 (26... Rbc8 $17 {next ...c4 is good for Black.} 27. Nf3 Qe7) 27. Nf3 $11 Qb2 28. Qf4 $36 {[%mdl 2048] White fights for an advantage.} Nxf2 {Hoping for ...Nd3.} (28... Qxf2+ 29. Kh1 $16) 29. Ng5 f6 (29... Qxa2 $2 30. Rc2 (30. Qxf2 Qxf2+ 31. Kxf2 Rbc8 $11) 30... Nh3+ 31. gxh3 $18) 30. Ne6 $1 {Qc7 is the strong threat.} Re8 (30... Nd3 $2 31. Qc7 Qd4+ 32. Nxd4 $18) ({Better is} 30... Qb6 $1 $11 31. Qxf6 (31. Nxd8 $2 Nd3 32. Qg3 c4+ 33. Kh1 Rxd8 $19) 31... Rd7 32. Qxf2 (32. Rf1 Re8 33. Qxf2 Qxe6 34. Rxc5 Qxe4 $17) 32... Qxe6 33. Rxc5 (33. Qxc5 Qxa2 34. Qe5 Rf8 $17) 33... Rbd8) 31. Qc7 $14 {[%csl Ge6][%cal Rc7g7]} Rxe6 32. Qxb8+ Kf7 {White must now prevent ...Nd3.} 33. Qc7+ $1 Re7 34. Qxc5 Nxe4 35. Rxe4 ({White should play} 35. Rc2 $11 Nxc5 36. Rxe7+ (36. Rxb2 $2 {perishes.} Rxe1+ 37. Kf2 Nd3+ 38. Kf3 Nxb2 $19) 36... Kxe7 37. Rxb2) 35... Rxe4 {[%mdl 4096] Endgame KQR-KQR} 36. Qd5+ Kg7 $1 37. Qd7+ $1 Kh6 38. Qh3+ Kg5 39. Qg3+ Kh6 (39... Rg4 40. Qe3+ Kh5 41. Qh3+ Kg5 42. Qe3+ Kh5 43. Qh3+ Kg5 44. Qe3+ $11) 40. Qh3+ Kg5 41. Qg3+ {[#]} Kf5 $1 ({Much worse is} 41... Rg4 42. Qe3+ Kh5 43. Qh3+ Kg5 44. Qe3+ Kh5 45. Qh3+ Kg5 46. Qe3+ $11) 42. Rf1+ Ke6 43. Qh3+ {[#]} Kd6 (43... f5 $1 $17 {And now ...h5 would win.} 44. Qxh7 Qb6+ 45. Kh1 Kf6) 44. Qxh7 $11 {The position is equal.} Qd4+ 45. Kh1 Rf4 {[%cal Rf4f1]} 46. Re1 {aiming for Qe7+.} Qe5 {[%cal Re5e1]} 47. Rg1 Rb4 48. Qxg6 Kc6 49. Qc2+ Kb6 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "4"]
[White "Oparin, Grigoriy"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2604"]
[BlackElo "2786"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,39,18,25,6,19,9,19,10,22,6,12,14,15,20,19,20,18,14,10,12,7,10,20,12,43,51,26,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,24,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. a4 a6 8. Re1 Ba7 9. h3 Ne7 10. Nbd2 Ng6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 11. d4 Re8 $146 (11... c6 12. Bf1 a5 13. dxe5 dxe5 14. Qc2 Be6 15. Nc4 Qc7 {½-½ (84) Carlsen,M (2853)-Karjakin,S (2772) New York 2016}) 12. Qb3 Qe7 {The position is equal.} 13. Nf1 c6 14. dxe5 Nxe5 15. Nxe5 dxe5 16. a5 Be6 17. Bxe6 Qxe6 18. Qc2 ({Don't capture} 18. Qxb7 $2 Reb8 19. Qxa8 (19. Qc7 $2 Ne8 20. Qxb8 Rxb8 $19) 19... Rxa8 $19) 18... Rad8 19. Be3 Bxe3 20. Nxe3 Rd7 21. Rad1 Rxd1 22. Rxd1 Qa2 23. Ng4 Nxg4 24. hxg4 Qxa5 $11 {[%mdl 4096] Endgame KQR-KQR} 25. Rd7 b5 26. Qb3 Rf8 27. g5 g6 28. g3 c5 29. Qd5 Qa1+ 30. Kg2 Qxb2 31. Rd8 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "4"]
[White "Pelletier, Yannick"]
[Black "Svidler, Peter"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2541"]
[BlackElo "2747"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,52,10,10,0,29,31,50,54,41,43,47,30,30,19,18,30,17,-50,-37,-112,-85,-127,-136,-591,-581,-913,-288,-601,-600,-2512,-2472]} 1. d4 d6 2. Nf3 g6 3. c4 f5 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O c6 8. Rb1 a5 9. b3 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} Na6 10. Bb2 Bd7 11. d5 Nc5 12. Nd4 Rc8 {LiveBook: 3 Games} 13. Qc2 $146 (13. e3 Qe8 14. Qe2 Qf7 15. Rbc1 h6 16. Ba1 Kh7 17. Qc2 Nce4 18. Nxe4 Nxe4 {½-½ (39) Lauber,A (2444)-Kamsky,G (2660) Warsaw 2016}) 13... f4 14. Rbd1 fxg3 15. hxg3 ({Of course not} 15. fxg3 Ng4 16. Bc1 Rxf1+ 17. Bxf1 Qb6 $17) 15... Qe8 16. e4 Ng4 17. Qe2 g5 18. f3 Ne5 19. Qe3 Qg6 20. Rd2 (20. g4 $11) 20... Rf7 21. g4 ({Better is} 21. Ba3 $15) 21... h5 $17 22. gxh5 Qxh5 23. Bh1 $2 {[%mdl 8192] [#]} (23. Nce2 $17) 23... Ng4 $1 $19 {[%mdl 512]} 24. Qe2 (24. fxg4 Rxf1+) 24... Rcf8 $2 (24... Bxd4+ 25. Rxd4 Rh7 26. fxg4 Qxh1+ 27. Kf2 Rh2+ 28. Kg3 Rh3+ 29. Kf2 Rf8+ 30. Ke1 {[#]} Bxg4 $1 {[%mdl 512]} 31. Rxh1 Rxh1+ 32. Kd2 Bxe2 33. Nxe2 Rh2 34. dxc6 Rff2) 25. Nd1 $2 (25. Nf5 Bxf5 26. exf5 Rxf5 27. Ne4 Nxe4 28. Qxe4) 25... Be5 {White must now prevent ...Rh7.} 26. Ne3 Rh7 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "5"]
[White "Kramnik, Vladimir"]
[Black "Pelletier, Yannick"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2811"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 8,92,18,16,26,35,39,32,66,28,34,12,20,-96,0,0,0,0,0,0,0,0,15,0,0,0,0,0,0,0,35,29,38,39,24,19,61,47,115,0,0,-20,0,0,0,0,0,0,72,0,36,36,29,29,29,8,8,8,8,8,62,56,53,8,8,0,0,0,0,0,0,0,2,0,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. Bd3 Bd6 5. Nbd2 {LiveBook: 22 Games} b6 {D05: Colle System with ...e6} (5... c5 6. dxc5 Bxc5 7. a3 a5 8. b3 O-O 9. Bb2 Nc6 10. O-O b6 11. c4 Bb7 12. cxd5 exd5 13. Qc2 h6 14. Rad1 Qe7 15. Qc1 Ne4 16. Rfe1 f5 17. Qa1 Rad8 18. Nf1 f4 19. Bxe4 dxe4 20. exf4 Rxf4 21. Rxd8+ Qxd8 {½-½ (45) Kramnik,V (2777)-Ganguly,S (2652) Berlin 2015}) 6. e4 {[#] Black must now prevent e5.} dxe4 7. Nxe4 Nxe4 {White is slightly better.} 8. Bxe4 c6 9. Bg5 $146 (9. O-O Qc7 10. Re1 Nd7 11. c4 Nf6 12. Bc2 Bb7 13. b3 {0-1 (21) Schulz,G (1858)-Thesing,A (1916) Kiel 2015}) 9... Qc7 10. Qd2 (10. Bh4 $11) 10... Bb7 (10... h6 $17 11. Bh4 f5) 11. O-O $11 Nd7 12. Rfe1 h6 13. Bh4 Nf6 14. Bxf6 gxf6 15. c4 O-O-O 16. b4 f5 17. Bd3 $1 c5 18. bxc5 Bf4 19. Qe2 Bxf3 $1 20. Qxf3 {Threatens to win with d5.} Rxd4 21. cxb6 axb6 22. c5 $1 {[%cal Rc5b6]} Rhd8 (22... bxc5 $14 23. Rab1 Ra4) 23. Ba6+ (23. cxb6 $16 Bxh2+ 24. Kf1) 23... Kd7 $1 24. cxb6 ({But not} 24. Bb5+ Ke7 25. cxb6 Bxh2+ 26. Kf1 Qxb6 $17) 24... Qxb6 25. Bf1 Ke7 26. a4 Bd2 27. Reb1 Qc5 {[#]} (27... Qa5 $11 {remains equal.}) 28. g3 (28. a5 $1 $16 {[%mdl 512]}) 28... Ba5 29. Rb5 $36 {[%mdl 2048] White fights for an advantage.} Qc3 30. Qxc3 Bxc3 31. Ra3 Be1 32. Be2 R4d5 33. Kf1 Rxb5 (33... Ba5 $11) 34. axb5 {[%mdl 4096] Endgame KRB-KRB} Bb4 35. Ra4 Bc5 {The position is equal.} 36. Rh4 Ra8 37. Rc4 Kd6 (37... Ra1+ $5 38. Kg2 $8 Bb6 $11) 38. Rc2 Ra1+ 39. Kg2 Ra4 40. Rd2+ Rd4 41. Ra2 Rb4 42. Ra6+ Kd5 43. Rc6 Rb2 44. Kf1 Rb1+ 45. Kg2 Rb2 46. Kf1 Rb1+ 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "5"]
[White "Anand, Viswanathan"]
[Black "Gelfand, Boris"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2786"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,107,62,67,51,48,0,0,0,0,0,0,0,39,39,25,-25,88,89,83,66,101,89,131,116,114,141,192,193,211,130,138,112,183,183,183,183,227,182,173,108,108,108,112,108,108,112,112,112,132,133,127,108,108,108,125,63,59,45,143,144,181,190,187,131,132,115,115,115,179,115,115,115,519,511,481,480,528,362,5069,5057,29996,29997,29997,29998,29998,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nce2 Rc8 13. h4 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} Rg8 $146 14. f5 Nxd4 15. Nxd4 {The position is equal.} (15. Qxd4 Qxd4 16. Rxd4 Rg4 $17) 15... e5 $1 16. Ne2 b4 17. Rh3 $1 d5 18. Rg3 Rh8 19. Rf3 h5 (19... d4 $11 {remains equal.}) 20. exd5 $16 Rc4 21. Ng3 Rxh4 22. Qe1 $1 Rg8 23. Ne4 $36 {[%mdl 2048] White has strong initiative.} Rxe4 24. Qxe4 {Black must now prevent d6!} Rg4 (24... Bd6 $16 {was called for.} 25. Rf4 Ke7) 25. Qe1 $18 Bd6 26. Bd3 Rxg2 27. Rg3 Qf2 (27... Rxg3 $16 {keeps fighting.} 28. Qxg3 Ke7) 28. Rxg2 Qxg2 29. Qh1 Qg4 30. Rg1 (30. Bxa6 $6 Bxf5 31. Bd3 Bd7 $16) 30... Qd4 31. Rf1 (31. Bxa6 $6 Bxf5 32. Rf1 Bg4 $16) (31. Rg8+ $18 Ke7 32. Qxh5) 31... a5 $16 32. Qe4 ({But not} 32. Qxh5 $6 a4 33. Qe2 a3 34. bxa3 bxa3 $11) 32... Qb6 33. Be2 a4 34. Bxh5 a3 35. Be2 axb2 36. Kxb2 Qc5 37. Bc4 Ke7 38. Kb1 Ba4 39. Bb3 (39. Bd3 $16) 39... Bb5 40. Rh1 Qf2 (40... Qc3 $14) 41. Bc4 Ba4 42. Bd3 Bd7 43. Rf1 ({Better is} 43. Qg4 $18) 43... Qc5 44. Qc4 Qe3 45. Rh1 Qf2 {[#]} (45... Qf3 $16 46. Rf1 Qe3) 46. a3 ({White should play} 46. Qg4 $1 $18) 46... bxa3 {[#]} 47. Ka2 $1 ({Reject} 47. Qb3 $6 Qd4 $11) 47... Bxf5 $2 {[%mdl 8192]} (47... Qb6 $16 {is tougher.} 48. Qc3 Qa7) 48. Bxf5 $18 Qxf5 $16 {[%mdl 4096] Endgame KQR-KQB} 49. Rh8 Qd7 {next ...Qb7 is good for Black.} 50. Qb3 ({Don't capture} 50. Qc8 $2 Qxc8 51. Rxc8 e4 $19) 50... Qc7 $2 (50... e4 51. Ra8 f5) 51. Qa4 $18 {[%csl Ga4][%cal Rh8e8]} f5 52. Re8+ {White mates.} Kf6 53. Qh4+ Kg7 54. Qh8+ 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "5"]
[White "Nepomniachtchi, Ian"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2751"]
[BlackElo "2793"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,38,21,18,10,3,10,15,22,18,39,12,16,8,8,18,25,14,14,-42,-50,-35,-32,-40,0,-1,6,0,0,0,5]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. h3 a6 {C50: Hungarian Defence and Giuoco Pianissimo} 7. a4 O-O 8. c3 Ba7 9. Re1 Ne7 10. d4 Ng6 11. Bd3 Re8 12. Qc2 Be6 $146 (12... Bd7 13. Be3 d5 14. Nbd2 exd4 15. cxd4 dxe4 16. Nxe4 {½-½ (37) Kramnik,V (2801)-Aronian,L (2784) Stavanger 2016}) 13. Be3 d5 14. dxe5 (14. Nbd2 $11) 14... dxe4 $15 15. Bxe4 Nxe4 16. Bxa7 $1 Rxa7 17. Qxe4 {The position is equal.} Bd5 18. Qe3 {[#] And now Rd1 would win.} Bxf3 $1 19. Qxf3 Nxe5 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "5"]
[White "Svidler, Peter"]
[Black "Oparin, Grigoriy"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2747"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,69,6,6,6,6,10,6,9,6,8,2,8,1,10,0,14,18,23,16,30,30,23,20,22,29,21,28,39,24,61,27,26,0,0,15,0,0,92,13,4,10,9,11,12,12,12,13,48,35,90,92,145,139,131,129,692,692,692,688,29995,29996]} 1. Nf3 Nf6 2. g3 b5 3. e3 {A05: Réti Opening: 1 Nf3 Nf6} a6 4. Bg2 Bb7 5. b3 e6 6. O-O {LiveBook: 3 Games} Be7 7. c4 O-O 8. Nc3 c5 9. d4 d5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. dxc5 Bxc5 13. Bb2 $146 Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 14. Qe2 Nf6 15. Rfd1 Qe7 16. Ne5 Rac8 17. Bxd5 Nxd5 18. a4 f6 19. Nd3 Bb6 20. axb5 axb5 21. e4 Nc3 22. Bxc3 $1 Rxc3 23. Nf4 Rb8 ({Don't capture} 23... Rxb3 $2 24. Ra6 (24. Qa2 Rf3 25. Qxe6+ Qxe6 26. Nxe6 Rb8 $14) 24... g5 25. Rxb6 $18) (23... g5 $11 {remains equal.} 24. Nd3 (24. Qxb5 Qb7 25. Qa6 Qxa6 26. Rxa6 Rc6 27. Nxe6 Rxe6 $17) 24... Kg7) 24. Rd3 ({White should play} 24. Rd2 $16) 24... Rxd3 $11 25. Qxd3 Qc5 26. Ra2 Rd8 $1 {[%cal Rd8d3]} 27. Qe2 $36 {[%mdl 2048] Black is under pressure.} Qc6 28. Rc2 Qe8 29. h4 Bd4 {[#]} (29... Qd7 $14) 30. Qg4 $1 $16 f5 (30... Rd6 $142) 31. exf5 exf5 32. Qxf5 Kh8 $2 {[%mdl 8192]} (32... Qe5 $16 33. Qe6+ Qxe6 34. Nxe6 Rd6) 33. Ne6 $18 Qd7 34. Rc7 g6 35. Rxd7 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "6"]
[White "Nakamura, Hikaru"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2793"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,16,0,0,0,15,12,12,3,6,-25,0,-39,-35,-34,2,-14,0,-5,-27,-42,-12,-36,-32,-42,-8,0,0,-51,13,-50,-46,-38,-40,-44,-43,-238,12,19,18,17,12,10,22,17,19,7,50,45,40,26,27,10,42,10,10,0,21,11,10,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O Re8 9. Bd2 {LiveBook: 21 Games} a6 {D45: Semi-Slav: 5 e3} 10. Rad1 e5 11. dxe5 Nxe5 12. cxd5 cxd5 13. Bc1 $146 (13. Nxe5 Bxe5 14. f4 Bb8 15. Bf3 Ba7 16. Kh1 b5 17. Bc1 {1-0 (49) Petrosian,A (2460)-Sveshnikov,E (2525) Moscow 1992}) 13... Nc6 14. Qb3 Be6 {[#] Strongly threatening ...d4.} 15. Ng5 Qc7 16. h3 Rad8 17. Nxe6 fxe6 18. Qa4 Bc5 19. Kh1 Ba7 20. Qh4 Bb8 {[%csl Gb8][%cal Rc7h2] [#]} 21. f4 e5 22. Bd3 (22. e4 $11) 22... e4 (22... exf4 $15 23. Qxf4 (23. Rxf4 $2 d4 24. Ne2 dxe3 25. Bc4+ Kh8 26. Rxd8 Qxd8 27. Rxf6 Qxf6 $19) 23... Qxf4 24. exf4 Nb4) 23. Bc2 ({White should play} 23. Bb1 $11) 23... d4 $1 $15 {[%cal Rd4c3]} 24. Bb3+ Kh8 25. exd4 Nxd4 26. Nd5 $2 (26. Qf2 $15 Nxb3 27. Rxd8 Rxd8 28. axb3) 26... Nxd5 $2 (26... Rxd5 $19 27. Bxd5 Ba7 28. Bxe4 (28. Be3 $2 Nf5 29. Qe1 Nxe3 $19) 28... Nxe4) 27. Rxd4 $11 Nf6 28. Be3 b5 29. Rxd8 Rxd8 30. Rc1 {[%cal Bf1c1,Bc1c6,Bc6e6][%mdl 32]} Qe7 31. Rc6 {next Qg5 is good for White.} Nd5 32. Qxe7 Nxe7 33. Re6 Nf5 34. Bb6 Rf8 35. Kg1 {Black must now prevent g4.} Ng3 {The position is equal.} 36. Bc5 {Hoping for Kf2.} Rc8 37. Be3 {And now Kf2 would win.} Bxf4 $1 38. Kf2 Nh1+ 39. Ke2 Ng3+ 40. Kf2 Nh1+ 41. Ke2 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "6"]
[White "Svidler, Peter"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2747"]
[BlackElo "2786"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,33,21,21,0,15,10,14,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. c4 Bg7 6. cxd5 Nxd5 7. Nc3 O-O 8. Nxd5 Qxd5 9. d4 cxd4 10. Be3 Nc6 11. Nxd4 Qc4 {D75: Fianchetto Grünfeld: Main Line with 7...c5} (11... Qh5 12. Nxc6 bxc6 13. Rc1 Bg4 14. Rc5 Bxe2 15. Rxh5 Bxd1 16. Rc5 Rad8 17. b4 Ba4 18. Bxc6 Bxc6 19. Rxc6 {½-½ (40) Seeman,T (2411)-Sulskis,S (2517) Vilnius 2017}) 12. Nxc6 bxc6 {LiveBook: 5 Games. The position is equal.} 13. Qb3 $146 (13. Qc1 Ba6 14. Re1 Rac8 15. b3 Qb4 16. Rb1 c5 17. a3 Qa5 18. Bd2 Qc7 19. Bc3 {1-0 (92) Vokac,M (2406)-Low,Z (2245) Prague 2017}) 13... Be6 14. Qxc4 Bxc4 15. Rac1 Bxa2 16. Bxc6 Rab8 ({Reject} 16... Bxb2 17. Rc2 Rab8 18. Bxa7 $14) 17. Bxa7 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "6"]
[White "Oparin, Grigoriy"]
[Black "Kramnik, Vladimir"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2604"]
[BlackElo "2811"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,-25,-35,-32,-25,-41,-44,-37,-94,-98,-79,-85,-97,-86,-89,-86,-88,-92,-156,-154,-148,-150,-149,-159,-150,-147,-185,-176,-189,-168,-172,-163,-156,-176,-168,-163,-160,-185,-171,-169,-186,-189,-197,-139,-384,-134,-137,-143,-151,-146,-425,-418,-790,-790,-504,-695,-790,-782,-777,-775,-731,-722]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 dxc4 5. Na3 {A09: Réti Opening: 1 Nf3 d5 2 c4} e5 6. Qc2 (6. O-O e4 7. Ne1 Nf6 8. Nxc4 O-O 9. d3 Be6 10. Ne3 Nc6 11. Bd2 exd3 12. Nxd3 Qd6 {1-0 (56) Kryvoruchko,Y (2708)-Bluebaum,M (2632) Sharjah 2017}) 6... Ne7 7. Nxc4 Nbc6 8. O-O O-O 9. d3 {LiveBook: 5 Games} Bg4 10. Qb3 $146 (10. Qd1 Qd7 11. Bd2 Rfe8 12. Ne3 Bh3 13. Bxh3 Qxh3 {½-½ (74) Gomes,M (2387)-Javakhishvili,L (2464) Astana 2013}) 10... Rb8 11. Qa3 Re8 12. Ne3 (12. e4 $15) 12... Bxf3 $17 13. Bxf3 Nd4 14. Qxa7 Nxf3+ 15. exf3 Qxd3 16. Qc5 Nc6 17. Kg2 (17. Qc4 $142 e4 18. Qxd3 exd3 19. Rd1) 17... e4 {aiming for ...exf3+.} 18. f4 Qe2 19. Nc2 Rbd8 20. Be3 h5 (20... Bxb2 $6 21. Rab1 Bf6 22. Rxb7 $11) 21. h4 Ne7 (21... Bxb2 22. Rab1 Bf6 23. Rxb7 $15) 22. Rae1 Qf3+ 23. Kh2 Nf5 (23... Bxb2 24. Rb1 Bf6 25. Rxb7 $15) 24. Qb5 Re6 25. Qe2 ({Of course not} 25. Qxb7 Red6 26. Qb4 c5 $1 $17 {[%mdl 512]}) 25... Bxb2 26. Qxf3 exf3 27. Rb1 Bf6 28. Rxb7 {[#]} Rc6 $1 {[%cal Rc6c2]} ({Much less strong is} 28... Nxe3 29. Nxe3 Rd2 30. Kh3 $17) 29. Nb4 Rc4 ({Better is} 29... Rc3 $19 {White must now prevent ...c5.} 30. Bc1 Rc4) 30. Ba7 $2 (30. Na6 $17 {was worth a try.}) 30... Nh6 $2 (30... Nd6 $19 {is more deadly.} 31. Rxc7 Rxc7) 31. Na6 Ng4+ 32. Kg1 Ra4 $36 {[%mdl 2048] Black is really pushing.} 33. Nxc7 $2 {[%mdl 8192]} (33. Nb4 $17) 33... Rxa2 $19 34. Bc5 (34. Nb5 $142 Rd5 35. Be3) 34... Bd4 {Black is clearly winning.} 35. Bxd4 Rxd4 36. Nb5 Rd3 37. Ra7 {[#]} Rb2 $1 38. Ra3 Rdd2 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "6"]
[White "Pelletier, Yannick"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2541"]
[BlackElo "2751"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,108,35,27,52,48,42,54,50,58,54,35,34,33,50,9,16,0,13,9,13,15,15,17,10,16,45,50,54,27,25,25,25,25,27,39,26,20,59,23,75,36,47,29,25,33,37,0,6,0,34,0,33,35,31,0,0,0,0,0,0,0,0,0,0,0,0,-339,-339,-339,-332,-331,-325,-306,-308,-325,-321,-345,-276,-731,-695,-7904,-6309,-29939,-29956,-6079,-4731,-29950,-5181,-6095,-5122]} 1. Nf3 c5 2. c4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b4][%mdl 32]} 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bb5+ Bd7 7. a3 {A34: Symmetrical English: 2 Nc3, lines with ...d5} N4c6 8. d4 (8. O-O Bg4 9. d3 e6 10. Be3 a6 11. Bxc6+ Nxc6 12. h3 Bxf3 13. Qxf3 Be7 14. Rfd1 O-O 15. Ne2 Rc8 16. d4 cxd4 17. Nxd4 Qe8 18. Nxc6 Qxc6 {½-½ (18) Zhou,J (2600)-Vidit,S (2644) Al Ain 2015}) 8... cxd4 9. Nxd4 Nxd4 10. Qxd4 Nc6 11. Qe3 {LiveBook: 3 Games} g6 12. O-O Bg7 13. Rd1 O-O 14. Bxc6 bxc6 15. Na4 $146 Qc7 16. Bd2 Be5 17. g3 Bg4 18. Rdc1 Rfd8 19. Bc3 Bxc3 20. Rxc3 Rd6 21. Kg2 Qd7 22. h4 Rd8 ({Much worse is} 22... Rd1 23. Nc5 (23. Rxd1 Qxd1 24. Nc5 Rd8 $14) 23... Qc7 24. Rxd1 Bxd1 25. Nd3 $16) 23. Nc5 Qc8 24. Rd3 a5 25. Rc1 h5 26. Rxd6 exd6 27. Nd3 Re8 28. Qd4 Qd7 29. Nf4 Be6 (29... Qb7 $11 {remains equal.}) 30. Qc3 c5 31. Qxa5 Qb7 $1 32. Qd2 ({Don't play} 32. Qa4 Bd7 33. Qc2 Rxe4 $15) 32... Qxe4+ 33. f3 Qb7 34. Re1 Rb8 35. b4 Bc4 {[%cal Rc5b4]} 36. Qxd6 cxb4 37. axb4 {[#] Strongly threatening Nxg6!} Ra8 {aiming for ...Ra2+.} 38. Rd1 Ra3 (38... Ra2+ $5 39. Rd2 $8 Qa8 $14) 39. Nd5 {Hoping for Nf6+.} Ra2+ 40. Kg1 Bxd5 41. Qxd5 $11 {[%mdl 4096] Endgame KQR-KQR} Qb6+ 42. Qd4 Qe6 {[#] ...Qe2 is the strong threat.} 43. Rf1 $2 {[%mdl 8192]} (43. Qc3 $11 {and White has nothing to worry.} Qe7 44. Kh1) 43... Qh3 $19 {[%csl Ga2][%cal Rh3h2]} 44. Rf2 Qxg3+ 45. Kf1 Qh3+ 46. Kg1 Ra8 47. b5 Re8 48. Qb4 Rd8 {( -> ...Rd1+)} 49. Qb1 $2 (49. Rf1 Qg3+ 50. Kh1) 49... Qg3+ 50. Rg2 Qxf3 51. Kh2 Qf4+ 52. Kg1 Qd4+ 53. Rf2 Qg4+ (53... Ra8 $142 54. Kg2 Ra1 55. Qxa1 Qxa1 56. Kf3 Qc3+ 57. Kg2 Qd4 58. Kg1 Qxh4 59. Kf1 Qc4+ 60. Kg1 Qxb5 61. Rf3 g5 62. Rf2 g4 63. Rg2 Qc4 64. Rg3 h4 65. Re3 Qc5 66. Kf2 h3 67. Kf1 h2 68. Re8+ Kg7 69. Rg8+ Kxg8 70. Ke2 h1=Q 71. Kd2 Qd4+ 72. Ke2 Qhd1#) 54. Kh2 Rd1 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "7"]
[White "Kramnik, Vladimir"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2811"]
[BlackElo "2747"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,13,13,15,16,17,2,12,8,14,14,9,11,27,23,39,40,47,26,38,10,12,-14,105,105,129,136,106,35,107,39,125,123,125,109,143,165,168,82,121,97,96,104,88,92,87,83,138,134,125,31,31,25,43,0,0,0,226,201,269,291,279,188,29965,29967,5129,5021]} 1. Nf3 c5 2. e3 Nf6 3. d4 d5 4. Nbd2 e6 5. b3 cxd4 {D05: Colle System with ...e6} (5... Nc6 6. Bb2 Bd6 7. a3 O-O 8. Bd3 cxd4 9. exd4 Nd7 10. O-O Re8 11. Re1 b6 12. c4 Bb7 13. cxd5 exd5 14. Rxe8+ Qxe8 15. Qc2 {½-½ (41) Markowski,T (2558)-Socko,B (2651) Chorzow 2013}) 6. exd4 {LiveBook: 6 Games} Bd6 7. Bd3 b6 {The position is equal.} 8. Qe2 $146 (8. Bb2 O-O 9. O-O Nc6 10. a3 Qc7 11. Re1 Bb7 12. Ne5 Rac8 13. f4 a6 14. Qf3 Rfd8 15. Qh3 h6 16. f5 exf5 17. Qxf5 {1-0 (53) Evans,G (2226)-Fleurackers,N (2255) IECG email 2001}) 8... Nc6 9. a3 Bb7 10. Bb2 Rc8 11. Ne5 Nd7 12. f4 Qh4+ 13. g3 Qe7 14. O-O O-O 15. Nxd7 $40 {[%mdl 128] White attacks.} Qxd7 16. f5 exf5 (16... e5 $1 $11) 17. Bxf5 $16 Qe8 18. Qd3 $1 Rc7 19. Bxh7+ Kh8 {...g6 is the strong threat.} 20. Bf5 (20. g4 $1 $16 {Black must now prevent Qh3.} Qe6 21. Qh3) 20... g6 ({Black should play} 20... Ne7 $1 $14) 21. Bh3 Re7 22. Nf3 Bc8 23. Bxc8 Qxc8 24. Rae1 (24. Rf2 $18 {has better winning chances.}) 24... Rxe1 25. Rxe1 Ne7 26. c4 {Threatens to win with c5.} Kg8 27. Kg2 Nf5 28. cxd5 Re8 {[#]} (28... Qb7 $142) 29. Rxe8+ $1 Qxe8 30. Bc1 ({Better is} 30. Ne5 $16) 30... Ne7 $1 $14 31. Qe4 {aiming for Bg5.} Qb5 32. Bf4 Bxa3 33. d6 Nf5 $2 (33... Nd5 $11 {and Black has nothing to worry.}) 34. Qa8+ $18 Kg7 35. Be5+ (35. Qxa7 $2 Qe2+ 36. Kg1 (36. Kh3 $2 Qxf3 37. Be5+ Kh6 38. Bf4+ g5 39. Qxf7 Qf1+ 40. Kg4 Ne3+ 41. Bxe3 Qxf7 $19) 36... Ne3 37. Be5+ Kh6 38. Bf4+ Kh5 39. Bxe3 Qxe3+ 40. Kg2 Qe2+ 41. Kg1 Bc1 $19) 35... f6 36. Qxa7+ Kh6 $2 {[#]} (36... Kf8 $18) 37. Bf4+ $1 ({And not} 37. Qxa3 Qe2+ 38. Kg1 (38. Kh3 $2 Qxf3 39. Qc1+ g5 40. Bxf6 Ne3 41. Qxe3 Qxe3 $19) 38... Qe3+ 39. Kg2 Qe2+ 40. Kg1 (40. Kh3 Ne3 41. Bf4+ Kh5 42. Qc5+ bxc5 43. g4+ Nxg4 44. Ng1 Qf1+ 45. Kg3 Qf2+ 46. Kh3 Qxg1 47. dxc5 Nf2#) 40... Qe3+ 41. Kg2 Qe2+ $11) 37... g5 38. Qf7 ({Not} 38. Qxa3 Qe2+ 39. Kg1 (39. Kh3 {leads to mate.} Qxf3 40. Qa8 Qxa8 41. d5 Qxd5 42. Kg4 Qe4 43. Kh3 Qf3 44. Bd2 Kh5 45. Be1 g4#) 39... Qxf3 $11) 1-0

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "7"]
[White "Anand, Viswanathan"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2786"]
[BlackElo "2793"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,28,31,10,14,12,19,0,7,3,-1,-2,8,0,0,0,20,21,33,34,36,37,70,67,78,16,25,18,25,0,0,0,16,0,0,0,0,0,7,0,-6,-20,-29,-29,-25]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Be3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O $5 {looks sharper.} Bd6 7. Bg5 h6 8. Bh4 Be6 9. Nbd2) 6... Bd6 7. h3 Be6 8. Nc3 $146 {The position is equal.} (8. Nbd2 h6 9. d4 exd4 10. Nxd4 Qe7 11. Qf3 O-O 12. O-O Rfe8 13. Rfe1 Rad8 14. c3 Bc8 15. Bf4 Bxf4 16. Qxf4 c5 17. N4f3 b6 18. Re3 Nh7 19. Nf1 Nf8 {½-½ (19) Nepomniachtchi,I (2706)-Kramnik,V (2780) Khanty-Mansiysk 2010}) 8... Nd7 9. Ng5 Nf8 10. O-O f6 11. Nxe6 Nxe6 12. Ne2 O-O 13. c3 Kh8 14. Qb3 Qc8 15. d4 exd4 16. cxd4 c5 17. dxc5 ({Better is} 17. d5 $16 Ng5 18. f3) 17... Nxc5 $11 18. Qc2 Ne6 19. Nd4 Nxd4 20. Bxd4 Qe6 21. a3 Rad8 22. Rad1 (22. Bxa7 $2 b6 23. Rad1 (23. f4 $2 Ra8 24. Qa4 Bc5+ 25. Kh2 b5 26. Qxb5 Bxa7 $19) 23... Ra8 24. Bxb6 cxb6 $19) 22... Rfe8 23. Rfe1 ({Much worse is} 23. Bxa7 b6 24. Kh1 Ra8 25. Bxb6 cxb6 $19) 23... a5 24. Bc5 Be5 25. b4 axb4 26. axb4 h6 1/2-1/2

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "7"]
[White "Nepomniachtchi, Ian"]
[Black "Oparin, Grigoriy"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2751"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,117,32,5,13,10,10,10,10,10,10,0,12,0,0,6,20,-37,-32,-62,-44,-60,-33,-99,-94,-87,-102,-99,-70,-95,-46,-66,-66,-69,-61,-69,-16,-79,-70,-103,-73,-76,-29,-146,-112,-109,-102,-106,-104,-131,-131,-98,-99,-95,-37,-90,-45,-352,-352,-352,-352,-363,-363,-363,-363,-491,-491,-510,-504,-490,-439,-442,-410,-397,-366,-487,-475,-484,-495,-500,-498,-490,-487,-488,-474,-479,-468,-458,-449,-545,-540,-539,-493,-1446,-1397,-1250,-1165,-2016,-1721,-4439,-4133,-3021,-2521,-29981,-29982,-29982,-29979,-29980,-29980,-29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6... e5 7. Bg5 Be7 8. Bxf6 Bxf6 9. Qd3 Be6 10. O-O-O Be7 11. Nd5 Bxd5 12. Qxd5 Qc7 13. Kb1 O-O 14. Na5 Nc6 15. Nc4 Rad8 {1-0 (50) Grischuk,A (2737)-Nepomniachtchi,I (2767) Doha 2016}) 7. g4 b5 8. a3 Bb7 {The position is equal.} 9. Bg2 Nfd7 10. g5 Nc6 11. h4 Be7 12. f4 h6 13. Qg4 $146 (13. Be3 $11) (13. Be3 hxg5 14. hxg5 Rxh1+ 15. Bxh1 {1-0 (61) Bedia,M (2431)-Potrekeev,P (2195) Gelendzhik 2017}) 13... b4 $15 14. Ne2 bxa3 15. bxa3 Qc7 16. Bb2 (16. Rh3 $15) 16... hxg5 $17 17. hxg5 Rxh1+ 18. Bxh1 g6 19. Qh3 Na5 20. Qh8+ Nf8 21. Nxa5 Qxa5+ 22. Bc3 Qc5 (22... Qb5 $15) 23. Qh3 (23. Rb1 $11 {remains equal.} Bc6 24. Bb4) 23... e5 24. Rb1 Bc6 {[%cal Bb7c6,Bc6b5,Bb5d7][%mdl 32]} 25. Bb4 Qc4 {...Ne6 is the strong threat.} (25... Qxc2 $6 26. Rc1 Qa4 27. fxe5 dxe5 28. Bxe7 Kxe7 29. Qc3 $11) 26. Rb3 (26. Rd1 $11 {keeps the balance.}) 26... Bb5 {[%csl Gb5][%cal Rc4e2] [#]} (26... exf4 27. Rc3 Qb5 28. e5 (28. Nd4 Qxg5 29. Nxc6 a5 $11) 28... Bxh1 29. exd6 Bxd6 30. Bxd6 $14) 27. Bf3 a5 $36 {[%mdl 2048] Black has strong initiative.} 28. Bd2 Bd7 29. f5 Qxc2 30. Rc3 Qb1+ 31. Rc1 Qb3 ({Black should try} 31... Qd3 $17 {And now ...Rc8 would win.} 32. Rc3 Qb5) 32. Nc3 $1 $15 Rc8 {Threatens to win with ...Bxg5!} 33. Qf1 $2 {[%mdl 8192] [#]} (33. Be2 $15) 33... Bxg5 $1 $19 {[%mdl 512]} ({Not} 33... Qxa3 34. f6 Bd8 35. Bd1 $19) 34. Bxg5 {Hoping for fxg6.} Rxc3 35. Rxc3 Qxc3+ 36. Kf2 gxf5 37. Qb1 Ne6 38. Bf6 Nd4 39. Be2 Qc2 40. Qxc2 Nxc2 41. exf5 Bxf5 {[%mdl 4096] Endgame KBB-KBN} 42. a4 Bd7 43. Bd1 Nb4 ({Don't take} 43... Bxa4 44. Bxc2 Bxc2 45. Ke2 $19) 44. Bg5 Nd3+ 45. Kg3 Nb2 46. Be2 Nxa4 ({Weaker is} 46... Bxa4 47. Bc1 $19) 47. Bd2 Nc5 {White must now prevent ...Ne4+.} 48. Bxa5 Ke7 49. Bb4 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 50. Ba3 Kf6 51. Bc4 (51. Kh4 $142) 51... Be6 52. Bb5 f4+ 53. Kf3 Kg5 54. Bc6 Bg4+ 55. Kg2 e4 56. Bxc5 dxc5 {Black mates.} 57. Bxe4 Kf6 58. Kf2 Ke5 59. Bg6 0-1

[Event "Kortchnoi ZCC 2017-Blitz"]
[Site "Zurich"]
[Date "2017.04.17"]
[Round "7"]
[White "Gelfand, Boris"]
[Black "Pelletier, Yannick"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2724"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,63,36,43,35,12,24,35,29,16,12,20,32,45,40,19,33,26,4,2,81,77,174,174,176,176,176,184,185,185,168,177,206,200,239,238,403,395,803,788,596,325]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7 11. Rb1 a6 {E20: Nimzo-Indian: 4 g3 and 4 f3} (11... Nd7 12. Rxb7 Bxb7 13. Bxb7 Bf6 14. Bxa8 Qxa8 15. O-O Rc8 16. Be3 Nb6 17. Qd3 Rd8 18. Qc2 Nc4 19. Bc1 Bxd4 20. cxd4 Rxd4 {½-½ (31) Mamedyarov,S (2731)-Kasimdzhanov,R (2672) Elista 2008}) 12. O-O e5 13. Nc2 {LiveBook: 3 Games} ({Much weaker is} 13. Bxb7 Bxb7 14. Rxb7 exd4 $17) 13... Nc6 {White is slightly better.} 14. Ne3 Be6 $146 (14... Na5 15. c4 Bc5 16. Bc3 Bd4 17. Qd2 Nc6 18. Bxc6 bxc6 19. Rfd1 {1-0 (35) Istratescu,A (2545)-Negulescu,A (2450) Baile Tusnad 1997}) 15. Rxb7 Na5 16. Rb2 Rc8 17. Qa4 Nc4 18. Nxc4 Bxc4 19. Be3 Bb5 20. Rxb5 axb5 21. Qxb5 Qc7 (21... Rxc3 $11 {remains equal.} 22. Qxe5 Bf6) 22. Bb7 $16 Rb8 (22... Qc4 $16 23. Qxe5 Bf6) 23. Rb1 $18 Qxc3 {[#]} 24. a4 $1 Bd8 25. Ba7 Ba5 {intending ...Rbd8.} 26. Bxb8 Rxb8 27. Rd1 e4 28. e3 g6 29. Rd7 $40 {[%mdl 128] White attacks with force.} Qc1+ $2 {[#]} (29... Qb4 30. Qd5 Rf8) 30. Kg2 $1 Be1 $2 (30... Qc3 31. Rxf7 Kxf7) 31. Qb3 Rf8 32. Bxe4 1-0

