[Event "David Lafarga Memorial"] [Site "MT / Lafarga A"] [Date "2019.06.08"] [Round "?"] [White "Iotov, Valentin Dimitrov"] [Black "Ham, Stephen E."] [Result "*"] [WhiteElo "2572"] [BlackElo "2583"] [Variant "Standard"] [TimeControl "-"] [ECO "D87"] [Opening "Grünfeld Defense: Exchange Variation, Spassky Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 { D87 Grünfeld Defense: Exchange Variation, Spassky Variation } 9. O-O Nc6 10. Be3 Na5 11. Bd3 b6 12. Rb1 cxd4 13. cxd4 e6 14. Qd2 Bb7 15. Bg5 Qd7 16. Rfd1 Rfc8 17. Bh6 Qe7 18. Bxg7 Kxg7 19. Qf4 Rd8 20. e5 Rac8 21. h4 Bd5 22. Rd2 Nc4 23. Rdd1 Na5 24. Ba6 Rc6 25. Bb5 Rc2 26. Rdc1 Rcc8 27. h5 Bxa2 28. h6+ Kg8 29. Ra1 Bd5 30. Ng3 Kf8 31. Rxc8 Rxc8 32. Nf1 Bc4 33. Rc1 Rc7?! { (0.31 → 1.05) Inaccuracy. a6 was best. } (33... a6) 34. d5 exd5? { (0.56 → 2.27) Mistake. g5 was best. } (34... g5 35. Qf3 exd5 36. Bxc4 Rxc4 37. Rxc4 dxc4 38. Qa8+ Qe8 39. Qxa7 Qxe5 40. Qd7 Qf6 41. Ne3) 35. e6 g5 36. Qe5 f6 37. Qg3 Nb3 38. Bd7 Rxd7 39. exd7 Qxd7 40. Re1?! { (1.59 → 0.93) Inaccuracy. Rc3 was best. } (40. Rc3) 40... Qd8? { (0.93 → 2.61) Mistake. Kf7 was best. } (40... Kf7 41. Ne3) 41. Ne3 Bb5?? { (2.43 → 5.02) Blunder. Nc5 was best. } (41... Nc5 42. Nf5) 42. Nf5 Nc5 43. Re7 Qxe7 44. Nxe7 Kxe7 45. Qc7+ Bd7 46. Qxa7 Ne4 47. Qxb6 Nd6 48. Qe3+ Be6 49. Qc5 Bf7 50. Qa7+ Ke6 51. Qe3+ Kd7 52. Qd3 Bg6 53. Qxd5 *