[Event "Zurich ct"] [Site "Zurich"] [Date "1953.??.??"] [Round "13"] [White "Kotov, Alexander"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [Variant "Standard"] [ECO "A55"] [Opening "Old Indian Defense: Normal Variation"] [Annotator "https://lichess.org/@/capipagua"] [Source "https://lichess.org/study/LtQR3Xcg/shZq0JiR"] [Orientation "white"] 1. d4 { [%eval 0.0] } 1... Nf6 { [%eval 0.23] } 2. c4 { [%eval 0.34] } 2... d6 { [%eval 0.51] } 3. Nc3 { [%eval 0.65] } 3... Nbd7 { [%eval 0.86] } 4. e4 { [%eval 0.94] } 4... e5 { [%eval 0.96] } 5. Nf3 { [%eval 0.65] } 5... Be7 { [%eval 1.08] } 6. g3 { [%eval 0.87] } 6... O-O { [%eval 0.67] } 7. Bg2 { [%eval 0.87] } 7... c6 { [%eval 0.94] } 8. O-O { [%eval 1.04] } 8... a6 { [%eval 1.21] } 9. b3?! { [%eval 0.62] } { Inaccuracy. a4 was best. } (9. a4) 9... Re8 { [%eval 1.0] } 10. Bb2 { [%eval 0.46] } 10... Bf8 { [%eval 0.59] } 11. Qd3 { [%eval 0.24] } 11... b5 { [%eval 0.12] } 12. Nd2 { [%eval -0.06] } 12... Bb7 { [%eval 0.03] } 13. Kh1?! { [%eval -0.55] } { Inaccuracy. Rfd1 was best. } (13. Rfd1 Qb6 14. d5 Nc5 15. Qe2 b4 16. dxc6 Bxc6 17. Nd5 Nxd5 18. cxd5 Bb5 19. Qe3 a5) 13... exd4 { [%eval -0.4] } 14. Qxd4 { [%eval -0.51] } 14... c5?! { [%eval 0.28] } { Inaccuracy. Nc5 was best. } (14... Nc5) 15. Qd3 { [%eval 0.16] } 15... Ne5 { [%eval 0.29] } 16. Qc2 { [%eval 0.28] } 16... Nc6 { [%eval 0.2] } 17. Nd5 { [%eval 0.23] } 17... Nd4 { [%eval 0.26] } 18. Qd3 { [%eval -0.09] } 18... g6 { [%eval 0.0] } 19. Bxd4 { [%eval -0.25] } 19... cxd4 { [%eval 0.0] } 20. Nxf6+ { [%eval -0.19] } 20... Qxf6 { [%eval -0.05] } 21. Kg1 { [%eval -0.12] } 21... Qe5 { [%eval 0.05] } 22. Rfe1 { [%eval -0.14] } 22... Bg7 { [%eval -0.02] } 23. Rac1 { [%eval -0.33] } 23... Re7 { [%eval 0.03] } 24. Nf3 { [%eval -0.01] } 24... Qc5 { [%eval 0.06] } 25. Bf1 { [%eval -0.46] } 25... h6 { [%eval -0.13] } 26. cxb5 { [%eval -0.05] } 26... Qxb5 { [%eval -0.06] } 27. Qd1 { [%eval -0.42] } 27... Qb6 { [%eval -0.48] } 28. Nd2?! { [%eval -1.19] } { Inaccuracy. Bd3 was best. } (28. Bd3 Rae8) 28... Rae8 { [%eval -1.11] } 29. Bd3 { [%eval -1.35] } 29... d5?! { [%eval -0.73] } { Inaccuracy. f5 was best. } (29... f5 30. f3 h5 31. Re2 Bh6 32. Rc2 d5 33. e5 Be3+ 34. Kh1 f4 35. gxf4 Bxf4 36. Qg1) 30. e5 { [%eval -0.75] } 30... Rxe5 { [%eval -0.69] } 31. Rxe5 { [%eval -0.8] } 31... Rxe5 { [%eval -0.44] } 32. Nf3 { [%eval -0.4] } 32... Re4 { [%eval -0.31] } 33. Qd2 { [%eval -0.5] } { 1/2-1/2 The game is a draw. } 1/2-1/2