Playoff – 2018 Summer Chess Classic

[Event “Summer Chess Classic A 2018”] [Site “Saint Louis”] [Date “2018.05.23”] [Round “10”] [White “Akobian, Varuzhan”] [Black “Durarbayli, Vasif”] [Result “0-1”] [ECO “D85”] [WhiteElo “2641”] [BlackElo “2618”] [Annotator “TA”] [PlyCount “98”] [EventDate “2018.??.??”] [EventType “tourn”] [EventCountry “USA”] [SourceTitle “playchess.com”] [Source “ChessBase”] [SourceQuality “1”] {[%evp 30,98,6,20,17,15,9,16,12,14,31,29,54,46,54,60,50,3,8,7,22,18,19,0,0,0,0, 0,-7,-11,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-69,-8,-22,0,0,0, -294,-293,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988, -29989]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 Nc6 10. Rb1 a6 11. Rc1 cxd4 12. cxd4 Qxd2+ 13. Kxd2 f5 14. e5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} O-O 15. Bc4+ e6 16. Ke2 {LiveBook: 3 Games. The position is equal.} Bd7 17. h4 Rfc8 (17… Rac8 18. Bd2 h6 19. Bb3 Kf7 20. Rhg1 Rfd8 21. g4 Ne7 {0-1 (53) So, W (2815)-Giri,A (2785) chess.com INT 2017}) 18. Ng5 {[%cal Bf3g5,Bg5h3,Bh3f2] [%mdl 32]} Nd8 19. Bb3 h6 20. Nh3 Rxc1 $146 ({Predecessor:} 20… a5 21. Nf4 g5 22. hxg5 hxg5 {1/2-1/2 (31) Beckmann,M-Morozov,D (2465) ICCF email 2017}) 21. Rxc1 {Strongly threatening Rc7.} Rc8 $1 22. Rxc8 Bxc8 23. f4 Bf8 24. Nf2 Bd7 25. d5 exd5 $1 26. Bxd5+ Be6 27. Bxe6+ Nxe6 $11 {[%mdl 4096] Endgame KBN-KBN} 28. g3 Kf7 29. Kd3 Bb4 30. Bd2 Nc5+ 31. Kc2 Bxd2 32. Kxd2 {KN-KN} Ke6 33. Ke3 Kd5 34. g4 $1 {Threatening h5.} h5 35. gxf5 gxf5 36. Nd3 Ne6 37. Nf2 b5 38. Nh1 $1 b4 39. Ng3 Ng7 {White should prevent …a5.} 40. Kd3 a5 {With the idea … a4.} 41. Nf1 ({White should play} 41. Kc2 $11) 41… a4 (41… Ne6 $15 42. Ne3+ Kc5 43. Nxf5 Nxf4+ 44. Ke4 Nd5) 42. Ng3 $1 a3 {Hoping for …b3!} 43. Kc2 Kc4 44. e6 $2 {[%mdl 8192]} (44. Nf1 $11 {and White stays safe.}) 44… Nxe6 $19 45. Nxh5 $2 (45. Nxf5 $19 Nxf4 46. Ng3) 45… Nd4+ {Black mates.} 46. Kb1 {[#]} b3 $1 {[%cal Bb4b3,Bb3b2][%mdl 32]} 47. Ng3 {[#]} b2 $1 48. h5 Nb5 49. Ne2 Kd3 {Precision: White = 67%, Black = 69%.} 0-1 [Event “Summer Chess Classic A 2018”] [Site “Saint Louis”] [Date “2018.05.23”] [Round “11”] [White “Durarbayli, Vasif”] [Black “Akobian, Varuzhan”] [Result “1-0”] [ECO “C01”] [WhiteElo “2618”] [BlackElo “2641”] [Annotator “TA”] [PlyCount “123”] [EventDate “2018.??.??”] [EventType “tourn”] [EventCountry “USA”] [SourceTitle “playchess.com”] [Source “ChessBase”] [SourceQuality “1”] {[%evp 9,123,-6,-10,-19,7,4,16,15,21,9,14,-4,0,0,11,10,32,19,33,27,26,26,27,21, 34,6,45,0,0,-184,-186,-187,-171,-211,-190,-210,-162,-141,-57,-24,-32,-41,-47, -25,-38,-50,-60,-57,-75,-97,0,-17,0,-1,2,5,12,15,120,118,129,129,90,12,12,-8, -8,-8,20,-9,0,-8,8,8,20,18,18,0,24,0,56,10,10,10,10,8,8,8,10,10,10,10,10,10,8, 0,20,0,0,0,11,0,0,0,0,0,0,-8,22,22,22,22,22,22,492,492]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Nf6 5. Bd3 c5 {LiveBook: 10 Games} 6. c3 {C01: French: Exchange Variation} Nc6 7. Nf3 Bg4 8. O-O {The position is equal.} cxd4 9. cxd4 $146 ({Predecessor:} 9. Qe1+ Be7 10. Nxd4 O-O 11. h3 Nxd4 12. cxd4 Bh5 13. Nc3 Bg6 {1-0 (47) Olsarova,T (2244)-Kriebel,T (2393) Pardubice 2012}) 9… Be7 10. Nbd2 O-O 11. h3 Bh5 12. Qb3 Na5 13. Qa4 a6 14. Rac1 b5 15. Qc2 Nc4 16. Ne5 Qb6 17. Ndf3 (17. Bxc4 dxc4 18. Be3 Qc7 $15) (17. Ndxc4 bxc4 18. Be2 Bxe2 $17) 17… Rac8 18. Qb1 (18. Bxc4 bxc4 19. Rfe1 Rfe8 $15) (18. Bf5 $5 {[%cal Rf5c8]} ) 18… Bd6 19. Bf5 $2 (19. Bg5 $11 {and White has nothing to worry.} Bxe5 20. Nxe5) 19… Bxf3 $1 $19 20. Bxc8 {[#]} Be4 $1 {[%cal Re4b1]} 21. Qa1 Rxc8 22. b3 Nh5 23. bxc4 Nxf4 (23… dxc4 $17 24. Nd7 Qc7 25. Bxd6 Qxd6) 24. c5 $15 {[#] } Bxc5 $1 25. Rxc5 Rxc5 26. dxc5 Qxc5 27. Nd7 Qd6 {White must now prevent … Qg6.} 28. Qe5 $1 {[%cal Re5e8]} Qxe5 29. Nxe5 {[%mdl 4096] Endgame KRN-KBN} d4 ({And not} 29… Nxg2 30. Rc1 $16) (29… Bxg2 $17 30. Re1 f6) 30. Rd1 f6 31. Nd7 Bxg2 {Hoping for …Bf3.} 32. Kh2 d3 33. Kg3 g5 (33… Bxh3 $11 {keeps the balance.} 34. Nxf6+ gxf6) 34. Nxf6+ $16 Kf7 35. Nxh7 Kg6 36. Nf8+ ({White should try} 36. h4 $16 Kf5 37. Nxg5 (37. hxg5 Bd5 $14)) 36… Kf5 $11 37. Nd7 Bd5 ({Don’t play} 37… Bxh3 $6 38. Nc5 $16) 38. Nc5 Bc4 39. Nxa6 Bxa2 { And now …Bb3 would win.} 40. Nb4 Bc4 {aiming for …Ke4.} 41. Kf3 Ke5 42. Ke3 Kd6 43. Kd4 Ke6 44. Ke3 Kf6 ({Black should play} 44… Kd6 $11) 45. Ke4 { Threatens to win with h4!} (45. h4 $5) 45… Nxh3 46. Ke3 Nf4 47. Rh1 Kf5 48. Rh8 Ng2+ 49. Kd2 Nf4 50. Re8 Kg4 51. Re3 Kf5 52. Re8 g4 53. Rf8+ Ke4 54. Rf6 Kf3 55. Nc6 Ke4 56. Rf8 Nh3 57. Nb4 Ng5 58. Kc3 Nf3 {Threatening …d2.} 59. Re8+ Kf4 60. Nxd3+ Bxd3 61. Kxd3 {Strongly threatening Re4+.} b4 $2 {[%mdl 8192]} (61… Nh4 $11 {and Black stays safe.}) 62. Re4+ {Precision: White = 53%, Black = 36%.} 1-0