[Event "Zurich ct"] [Site "Zurich"] [Date "1953.??.??"] [Round "4"] [White "Geller, Efim P"] [Black "Boleslavsky, Isaak"] [Result "0-1"] [Variant "Standard"] [ECO "E12"] [Opening "Queen's Indian Defense: Kasparov Variation"] [Annotator "https://lichess.org/@/carvaflu"] [Source "https://lichess.org/study/Y4TzcnNy/N8yrfM0P"] [Orientation "white"] 1. d4 { [%eval 0.0] } 1... e6 { [%eval 0.2] } 2. Nf3 { [%eval 0.16] } 2... Nf6 { [%eval 0.27] } 3. c4 { [%eval 0.0] } 3... b6 { [%eval 0.29] } 4. Nc3 { [%eval 0.0] } 4... Bb7 { [%eval 0.13] } 5. Bg5 { [%eval 0.0] } 5... h6 { [%eval 0.05] } 6. Bxf6 { [%eval -0.15] } 6... Qxf6 { [%eval 0.0] } 7. e4 { [%eval -0.19] } 7... Bb4 { [%eval -0.16] } 8. Bd3 { [%eval -0.15] } 8... c5 { [%eval -0.24] } 9. O-O { [%eval -0.34] } 9... cxd4 { [%eval 0.0] } 10. Nb5 { [%eval -0.18] } 10... Qd8 { [%eval -0.22] } 11. Nbxd4 { [%eval -0.41] } 11... O-O { [%eval -0.11] } 12. Qe2 { [%eval -0.26] } 12... Nc6 { [%eval -0.25] } 13. Rad1 { [%eval -0.4] } 13... Nxd4 { [%eval -0.12] } 14. Nxd4 { [%eval -0.2] } 14... Bc5 { [%eval -0.22] } 15. Bc2 { [%eval -0.32] } 15... Rc8 { [%eval 0.0] } 16. e5 { [%eval 0.0] } 16... Qg5 { [%eval 0.08] } 17. f4 { [%eval -0.46] } 17... Qe7 { [%eval 0.0] } 18. Kh1 { [%eval 0.0] } 18... f5 { [%eval 0.07] } 19. Nb5 { [%eval -0.17] } 19... a6 { [%eval 0.11] } 20. Nd6 { [%eval 0.25] } 20... Bxd6 { [%eval 0.16] } 21. Rxd6 { [%eval 0.12] } 21... Rc6 { [%eval 0.25] } 22. Rfd1 { [%eval 0.0] } 22... Rxd6 { [%eval 0.05] } 23. Rxd6 { [%eval 0.15] } 23... Bc6 { [%eval 0.0] } 24. b4 { [%eval -0.13] } 24... Qh4 { [%eval 0.0] } 25. Rd4? { [%eval -1.16] } { Mistake. Qd2 was best. } (25. Qd2 g5 26. Bd1 Rf7 27. Bf3 Bxf3 28. gxf3 g4 29. fxg4 fxg4 30. Rxd7 Rxd7 31. Qxd7 Qe1+) 25... g5?! { [%eval -0.12] } { Inaccuracy. a5 was best. } (25... a5 26. b5) 26. Kg1 { [%eval -0.12] } 26... gxf4 { [%eval -0.1] } 27. Qf2? { [%eval -1.41] } { Mistake. Qd2 was best. } (27. Qd2) 27... Qe7 { [%eval -1.16] } 28. a3? { [%eval -2.43] } { Mistake. Qd2 was best. } (28. Qd2) 28... Qg7 { [%eval -2.25] } 29. Rxf4 { [%eval -2.24] } 29... Qxe5 { [%eval -2.4] } 30. Rd4 { [%eval -2.27] } 30... Rf7 { [%eval -2.36] } 31. Bd3 { [%eval -3.02] } 31... f4 { [%eval -2.8] } 32. Bf1 { [%eval -3.19] } 32... Qf6? { [%eval -1.69] } { Mistake. b5 was best. } (32... b5) 33. Rd2?! { [%eval -2.86] } { Inaccuracy. b5 was best. } (33. b5 axb5) 33... b5 { [%eval -2.76] } 34. c5?! { [%eval -4.06] } { Inaccuracy. Qd4 was best. } (34. Qd4 Qg5 35. Qd6 bxc4 36. Bxc4 f3 37. Qg3 Qxg3 38. hxg3 fxg2 39. Bxa6 Rf3 40. Rd1 Rxa3) 34... Qa1 { [%eval -3.68] } 35. Qh4 { [%eval -4.42] } 35... Qf6?? { [%eval -1.59] } { Blunder. f3 was best. } (35... f3 36. Qg3+ Kh7 37. Qf2 Qxa3 38. Bd3+ Kh8 39. Qd4+ Kg8 40. g3 Qc1+ 41. Bf1 Qe1 42. Qf2) 36. Qxf6 { [%eval -2.21] } 36... Rxf6 { [%eval -1.81] } 37. Kf2?! { [%eval -2.97] } { Inaccuracy. Be2 was best. } (37. Be2 Kf7) 37... e5 { [%eval -2.86] } 38. g3? { [%eval -5.49] } { Mistake. Be2 was best. } (38. Be2) 38... fxg3+ { [%eval -5.53] } 39. Ke1 { [%eval -5.62] } 39... Rf3 { [%eval -5.31] } 40. hxg3 { [%eval -5.89] } 40... Rxg3 { [%eval -5.76] } 41. Rd6 { [%eval -6.36] } 41... Kg7 { [%eval -5.85] } 42. Bd3 { [%eval -6.99] } 42... e4 { [%eval -6.9] } 43. Be2 { [%eval -7.05] } 43... Rxa3 { [%eval -6.17] } 44. Bg4?! { [%eval -9.42] } { Inaccuracy. Kd2 was best. } (44. Kd2 e3+ 45. Kc2 a5 46. bxa5 Rxa5 47. Kd3 b4 48. Kxe3 Rxc5 49. Bd3 Rg5 50. Rd4 b3) 44... Rd3 { [%eval -9.68] } { 0-1 Black wins. } 0-1