[Event "Cairns Cup 2019"] [Site "Saint Louis"] [Date "2019.02.07"] [Round "2.2"] [White "Kosteniuk, Alexandra"] [Black "Zatonskih, Anna"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2532"] [BlackElo "2428"] [Annotator "TA"] [PlyCount "82"] [EventDate "2019.02.06"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,82,27,15,14,0,13,16,21,5,13,0,-2,-9,0,-6,0,-22,0,0,0,-2,0,-40,-39,-86,-12,-88,-88,-83,-87,-100,-84,-77,-73,-81,-9,-9,0,-9,0,-46,-12,-14,-18,-21,-11,-105,-104,-124,-122,-121,-108,-222,-111,-129,-111,-120,-28,-25,13,-9,-10,-55,-57,-78,0,0,0,-74,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 (5. d4 d5 6. Bd3 Be7 {1-0 (64) Wei,Y (2738)-Yu,Y (2753) Danzhou 2017}) 5... Be7 6. d4 d5 7. Bd3 Bb4+ {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 8. Kf1 {Threatens to win with cxd5.} Be7 (8... O-O 9. a3 Be7 10. cxd5 Nf6 11. Nc3 Nbd7 12. h4 Nb6 13. Bg5 Nfxd5 14. Qc2 h6 15. Re1 {1-0 (64) Wei,Y (2738)-Yu,Y (2753) Danzhou 2017}) 9. cxd5 Nf6 $146 ({Predecessor:} 9... Qxd5 10. Qc2 Nf6 11. Qxc7 Nc6 12. Nc3 Qd7 13. Qxd7+ Bxd7 14. Be3 O-O 15. a3 {½-½ (25) Molnar,L (2250)-Antal,J (2165) Hungary 1995}) 10. Nc3 Nxd5 11. Nxd5 Qxd5 12. Qe2 Bf5 13. Bc4 Qe4 14. Be3 O-O 15. Ne5 {Bd3 is the strong threat.} Be6 16. Bd3 Qh4 17. Nf3 Qh5 18. Bf4 c6 (18... Nc6 $17) 19. Qe5 (19. h4 $11) 19... Qxe5 $17 20. dxe5 Nd7 21. Nd4 Nc5 22. Be2 Rfd8 23. Be3 Rd5 (23... Bd5 $17) 24. f4 $11 Rad8 25. Nxe6 Nxe6 26. Bf3 Rd3 27. Kf2 Bc5 $36 {[%mdl 2048] Black is more active.} 28. Bxc5 Nxc5 29. b3 (29. Rhd1 $11) 29... Ne6 $17 30. f5 {[#]} Rd2+ $1 31. Kg3 Nd4 32. Kf4 {[#]} (32. f6 $17 {keeps fighting.}) 32... g6 (32... Nc2 $1 $19 {And now ...R8d4+ would win.} 33. Rac1 R8d4+ 34. Kg3 Ne3) 33. fxg6 hxg6 34. h4 Nf5 (34... Kf8 $17 35. g4 Ke7) 35. h5 $11 Kg7 36. Kg5 Nd4 37. hxg6 fxg6 38. Kg4 Nf5 (38... Rd7 $17) 39. Kg5 Nd4 (39... a5 $11) 40. Kg4 $1 $17 Nf5 ({Black should try} 40... Nc2 $17 41. Rac1 Re8) 41. Kg5 $11 Nd4 {Accuracy: White = 52%, Black = 39%.} 1/2-1/2 [Event "Cairns Cup 2019"] [Site "Saint Louis"] [Date "2019.02.10"] [Round "5.1"] [White "Kosteniuk, Alexandra"] [Black "Khotenashvili, Bela"] [Result "1-0"] [ECO "D94"] [WhiteElo "2532"] [BlackElo "2491"] [Annotator "TA"] [PlyCount "107"] [EventDate "2019.02.06"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,107,6,7,0,0,10,25,0,0,-33,-15,-23,-31,-31,-57,-72,0,0,0,0,0,0,0,0,0,0,0,0,212,213,197,185,184,64,66,72,161,173,172,175,164,0,422,0,0,0,37,0,254,250,239,231,245,227,229,226,274,244,240,240,229,223,254,235,232,227,243,243,315,317,329,335,316,325,314,300,372,328,435,401,410,400,462,468,470,440,551,542]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 c5 9. O-O cxd4 10. exd4 Nc6 11. d5 Na5 12. h3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} Nxb3 13. axb3 e6 {[%cal Rb6d5]} 14. d6 {White has an edge.} Bd7 {[#]} 15. Nd4 $146 {[%cal Bf3d4,Bd4b5,Bb5c7][%mdl 32]} ({Predecessor:} 15. Bg5 f6 16. Be3 Bc6 17. Bc5 e5 18. b4 Kh8 19. b5 Bd7 {1-0 (40) Potkin,V (2642)-Alekseev,E (2677) Tyumen 2012}) 15... Qf6 16. Ndb5 a6 17. Nc7 {Black must now prevent Be3.} Rad8 18. Ra5 h6 (18... Qh4 $1 $17 19. Be3 Nc8) 19. Ne4 $11 Qh4 20. f3 $1 {Strongly threatening Be3.} f5 21. Nc5 $1 Qb4 $1 {[%cal Rb4a5]} 22. Qd2 Bd4+ 23. Kh1 Bxc5 24. Qxh6 Rf6 $2 ({Avoid the trap} 24... Bxd6 $2 25. Qxg6+ Kh8 26. Qh6+ Kg8 27. Nxe6 $1 $18 {[%mdl 512]}) (24... Qxa5 $11 {and Black has nothing to worry.} 25. Qxg6+ Kh8) 25. Bd2 $1 $18 {[%cal Rd2b4][%mdl 1024] White has strong compensation.} Qd4 26. Bc3 Qd3 27. Raa1 $40 {[%mdl 128] White has some attack.} ({White must play} 27. Rxc5 $18 Qxf1+ 28. Kh2) 27... Rdf8 $1 $14 ({Wrong is} 27... Bd4 $2 28. Rfd1 $18) 28. Qh4 $1 Kg7 {[#]} (28... Qxd6 $16 {might work better.} 29. Bxf6 Qxc7) 29. Rad1 $1 $18 {[%cal Rd1d3]} Qc2 {[#] And now ...f4 would win.} 30. Rc1 $1 {[%cal Rc1c2]} Qd3 31. Rcd1 $2 (31. Rfd1 $18 Qe3 32. Re1) 31... Qe2 $2 {[%mdl 8192]} (31... Qc2 $1 $11 {and Black is okay.}) 32. Rde1 $2 (32. Rfe1 $18 Qf2 33. Qf4) 32... Qd3 $11 33. Rd1 Qc2 {Threatens to win with ...f4.} 34. Rc1 Qxb3 $2 {[%mdl 8192]} (34... Qd3 $11 {and Black stays safe.} 35. Rfd1 Qe3) 35. Bxf6+ $18 Rxf6 36. Rxc5 {aiming for Re1.} Qd3 37. Rcc1 Qxd6 {Black wants to play ...Bc6.} 38. Rfd1 Qe7 39. Qf2 e5 40. Qc5 Qxc5 41. Rxc5 Rc6 42. Rxc6 Bxc6 {[%mdl 4096] Endgame KRN-KBN} 43. Ne6+ Kf6 44. Nd8 Bd5 {[#]} 45. Nxb7 $1 {[%mdl 512]} e4 (45... Bxb7 46. Rd6+) 46. fxe4 fxe4 47. Nc5 Ke5 48. Nxa6 e3 49. Nb4 Bc4 50. Kg1 e2 51. Re1 Ke4 {intending ...Ke3.} 52. Kf2 {White is clearly winning.} Nd7 {[#]} 53. b3 $1 Bb5 (53... Bxb3 54. Rxe2+) 54. Na2 {Precision: White = 70%, Black = 39%.} 1-0 [Event "Cairns Cup 2019"] [Site "Saint Louis"] [Date "2019.02.13"] [Round "7.1"] [White "Kosteniuk, Alexandra"] [Black "Harika, Dronavalli"] [Result "1/2-1/2"] [ECO "C19"] [WhiteElo "2532"] [BlackElo "2471"] [Annotator "TA"] [PlyCount "96"] [EventDate "2019.02.06"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,96,10,52,0,0,0,21,19,25,23,27,0,2,2,2,0,4,0,13,-34,-35,-50,-50,-50,-49,-54,-54,-58,-57,-58,-56,-57,-47,-70,-73,-70,-70,-70,-70,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-98,-90,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-36,-98,-69,-69,-69,-98,-83]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Qa5 8. Qd2 Nbc6 9. Nf3 f6 10. Bd3 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4} (10. Bb5 $14) (10. Bb5 Bd7 11. exf6 gxf6 12. O-O O-O-O 13. Ba3 cxd4 14. Nxd4 e5 15. Nb3 Qc7 16. Nc5 Rhg8 17. Rfb1 Nf5 18. Qxd5 {1-0 (44) Felgaer,R (2593)-Rustemov,A (2573) Dos Hermanas 2005}) 10... fxe5 $11 11. Nxe5 cxd4 12. Nxc6 {The position is equal.} Nxc6 13. cxd4 Qxd2+ 14. Kxd2 O-O 15. Ke3 e5 16. dxe5 Nxe5 17. f3 $146 Bd7 18. Re1 Rae8 $36 {[%mdl 2048] Black has some pressure.} 19. Kd2 {[#]} Rxf3 $1 {[%mdl 512] Strongly threatening ...Rf2+.} 20. Rxe5 (20. gxf3 Nxf3+) 20... Rxd3+ $1 21. cxd3 Rxe5 $15 {[%mdl 4096] Endgame KRB-KRB} 22. Rb1 Bc6 23. Rb4 d4 24. Rxd4 Ra5 25. Bb2 Rxa4 26. Rxa4 Bxa4 {KB-KB} 27. Bd4 a6 28. h4 Kf7 29. Kc3 g6 30. Bb6 Ke6 31. Kb4 Bc6 32. g3 Kd5 33. Ka5 Bd7 34. d4 Kc4 35. Bc5 b5 36. Be7 Bc8 37. Bc5 Bb7 38. Be7 Kxd4 39. Bb4 Ke5 40. Bc5 Ke6 (40... Kf5 {feels hotter.} 41. Kb6 Bc8 42. Bd6 Kg4 43. Kc7 Kh3) 41. Bb4 Kf5 42. Bc5 Kg4 43. Bd6 Bc8 44. Bc7 Kf3 45. Bd6 Bb7 (45... Ke4 $17 46. Kb4 Bg4) 46. Bc7 ({Better is} 46. Kb6 $15) 46... Be4 47. Bd6 Bd3 48. Kb4 Be2 {Accuracy: White = 64%, Black = 71%.} 1/2-1/2 [Event "Cairns Cup 2019"] [Site "Saint Louis"] [Date "2019.02.15"] [Round "9.1"] [White "Kosteniuk, Alexandra"] [Black "Gunina, Valentina"] [Result "1/2-1/2"] [ECO "C65"] [WhiteElo "2532"] [BlackElo "2501"] [Annotator "TA"] [PlyCount "132"] [EventDate "2019.02.06"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,132,16,17,14,16,14,23,0,11,0,0,-35,-36,-28,-9,-25,-17,-12,-11,-19,-19,-18,-18,-35,-38,-46,-39,-33,-3,-37,-39,-45,-45,-48,-28,-62,-29,-33,-52,-78,-71,-92,-94,-108,0,-105,0,-83,-76,-135,-124,-124,-133,-169,-144,-174,-61,-68,-64,-71,-65,-70,-15,-8,19,20,30,10,43,-158,-98,-253,-253,-253,-254,-243,-249,-300,-315,-315,-300,-297,-275,-272,-223,-201,-29,-16,-18,-19,-17,-19,-8,-8,-8,-14,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,8,8,8,8,8]} 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} Nd7 (6... Be6 7. O-O Bd6 8. b3 Nd7 9. Nc4 Qe7 10. Bb2 Bxc4 11. bxc4 O-O 12. a4 a6 13. g3 Nc5 {0-1 (43) Robson,R (2667)-So,W (2765) chess.com INT 2019}) 7. Nc4 Qe7 8. a3 {White has an edge.} a5 $146 ({Predecessor:} 8... O-O 9. b4 Bd6 10. Bb2 b5 11. Na5 c5 12. O-O Re8 13. Rb1 cxb4 14. axb4 {½-½ (91) Shyam,S (2534)-Leenhouts,K (2486) Dieren 2017}) 9. b3 O-O 10. Bb2 {[%cal Rc4e5]} f6 11. O-O Nb6 12. Ne3 a4 13. b4 Bxe3 14. fxe3 Bg4 15. Qe1 c5 16. Nh4 cxb4 17. axb4 Nc8 18. b5 Nd6 19. Ba3 Qd7 20. h3 Be6 21. c4 b6 22. Bb4 c5 23. bxc6 Qxc6 24. Ba3 Rfd8 25. Qg3 {Strongly threatening Rxf6.} Kh8 26. Qf3 Kg8 (26... Rd7 $17 27. Rfc1 Nb7) 27. Rad1 (27. Qg3 $11 Kh8 28. Rfd1) 27... Nf7 (27... b5 $17 28. c5 Nf7) 28. Qg3 (28. Be7 $1 $11 {remains equal.} Rdc8 29. Qg3) 28... Kh8 $1 $17 29. Rf2 (29. Qf2 $142) 29... Ra7 30. Rfd2 Rad7 31. Nf3 b5 32. cxb5 Qxb5 ({Better is} 32... Qc3 $1 $19 {[%cal Rc3a3]} 33. Bb2 Qb3) 33. d4 $1 $15 {[%cal Rd4d5] Black must now prevent d5.} Bb3 34. Rc1 Qb7 $36 {[%mdl 2048] Black has some pressure.} 35. Qg4 Nh6 ({Black should play} 35... Rc7 $15 36. Rb1 Re8) 36. Qh4 $11 Bf7 37. Rb2 Qa7 38. Rc6 Ng8 39. Bc5 $2 (39. Kh2 $14 {keeps the upper hand.}) 39... Qa8 $17 40. Rbb6 $2 (40. d5 $17) 40... a3 $19 {[%cal Ba4a3,Ba3a2][%mdl 32]} 41. Ra6 a2 $1 {[%cal Ra2a1]} 42. Qe1 {[#]} ({Of course not} 42. Rxa8 Rxa8 43. Kh2 a1=Q $19) 42... Rb7 $1 {[%cal Rb7b1]} 43. Nd2 Qb8 44. Rcb6 exd4 45. exd4 Rxb6 46. Rxb6 Qf4 {And now ...Ra8 would win.} 47. Ra6 f5 $2 ({Black should try} 47... Re8 $19 48. Ra7 {[#]} Bd5 $1 {[%mdl 576] Back Rank}) 48. d5 $1 $11 fxe4 {The position is equal.} 49. Rxa2 Bxd5 50. Ra7 Ra8 51. Rxa8 Bxa8 52. Nc4 Nf6 53. Bd4 e3 54. Qxe3 Qxe3+ 55. Nxe3 {[%mdl 4096] Endgame KBN-KBN} Ne8 56. g4 Kg8 57. Kf2 Kf7 58. Kg3 Nf6 59. Nc4 Bd5 60. Ne5+ Ke6 61. Kf4 h6 62. Nf3 Kf7 63. Bb2 g5+ 64. Ke3 Nxg4+ 65. hxg4 {Hoping for Ne5+.} Bxf3 66. Kxf3 {Threatens to win with Bc3.} Kg6 $1 {Accuracy: White = 44%, Black = 56%.} 1/2-1/2