[Event "USA-URS"] [Site "New York, NY USA"] [Date "1954.06.23"] [Round "4"] [White "Arthur Bisguier"] [Black "Tigran Vartanovich Petrosian"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A33"] [Opening "English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5?! { (0.16 → 0.93) Inaccuracy. e6 was best. } (2... e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4) 3. Nf3?! { (0.93 → 0.13) Inaccuracy. d5 was best. } (3. d5 b5 4. cxb5 a6 5. e3 Qa5+ 6. Bd2 Qb6 7. Nc3 axb5) 3... cxd4 4. Nxd4 Nc6 5. Nc3 e6 { A33 English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense } 6. g3 Bc5 7. Nb3 Be7 8. Bg2 O-O 9. O-O d6 10. e4 Ne5 11. Qe2 Qc7 12. Nd2 a6 13. b3 b5 14. f4 Nc6 15. Bb2 b4 16. Nd1 a5 17. Ne3 a4 18. Rab1?! { (-0.30 → -0.96) Inaccuracy. a3 was best. } (18. a3) 18... axb3 19. axb3 Ra2 20. g4 Nd7 21. g5 Re8 22. Kh1 Nc5 23. h4 Qd8 24. Rf3?! { (-0.55 → -1.43) Inaccuracy. Qf3 was best. } (24. Qf3) 24... Bf8 25. Rg3 e5? { (-1.43 → -0.30) Mistake. d5 was best. } (25... d5 26. Qf1) 26. f5 Nd4 27. Qf1 Ndxb3 28. Nxb3 Nxb3 29. Qe1 Nc5 30. Qxb4?! { (-0.40 → -1.05) Inaccuracy. Nd5 was best. } (30. Nd5 Bb7) 30... Bb7 31. Nd5 Ra4 32. Qd2 Bxd5 33. Qxd5 Rb4 34. Bf3? { (-0.79 → -2.45) Mistake. g6 was best. } (34. g6 Qc7) 34... Qa8 35. Qd2?! { (-2.08 → -3.10) Inaccuracy. Qxa8 was best. } (35. Qxa8 Rxa8 36. Ra1 Rxa1+ 37. Bxa1 Rxc4 38. Rg1 Nxe4 39. h5 Nd2 40. Bd5 Rc5 41. Ba8 d5) 35... Qb7 36. Rg2 Rb8 37. Bd1? { (-3.23 → -5.64) Mistake. g6 was best. } (37. g6 Rb3 38. gxh7+ Kh8 39. Qf2 Nd3 40. Qg3 Nf4 41. Rh2 Qa7 42. f6 g6 43. h5 Qe3) 37... Qxe4 38. Bc2 Qxc4 39. g6 Rxb2 40. gxh7+ Kh8 41. Rbg1 Qxh4+ 42. Rh2 Qf4 { Black wins. } 0-1