[Event "Olimpiadas Romanus Pontifex"] [Site "https://lichess.org/ZA1TPn6U"] [Date "2020.10.24"] [White "IngDiegoMRChess"] [Black "jalvarezm"] [Result "1-0"] [UTCDate "2020.10.24"] [UTCTime "21:46:09"] [WhiteElo "2205"] [BlackElo "2049"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-5"] [WhiteTitle "CM"] [Variant "Standard"] [TimeControl "900+0"] [ECO "E26"] [Opening "Nimzo-Indian Defense: Sämisch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3?! { (0.29 → -0.27) Inaccuracy. Qc2 was best. } (4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. cxd5 Ne4 8. Qc2 exd5) 4... Bxc3+ 5. bxc3 c5 6. e3 { E26 Nimzo-Indian Defense: Sämisch Variation } Nc6 7. Bd3 b6 8. Ne2 Ba6?! { (0.15 → 1.10) Inaccuracy. d5 was best. } (8... d5 9. O-O) 9. O-O? { (1.10 → -0.13) Mistake. e4 was best. } (9. e4 O-O 10. Bg5 cxd4 11. cxd4 b5 12. cxb5 Bxb5 13. O-O Bxd3 14. Qxd3 d6 15. f4 Rb8) 9... Na5 10. e4 d6?! { (-0.29 → 0.59) Inaccuracy. O-O was best. } (10... O-O) 11. e5? { (0.59 → -0.96) Mistake. Bg5 was best. } (11. Bg5 h6) 11... dxe5 12. dxe5 Nd7 13. f4 O-O 14. Rf3? { (-0.17 → -1.33) Mistake. Ng3 was best. } (14. Ng3 Bxc4 15. Bxc4 Nxc4 16. Qa4 b5 17. Qxb5 Ndb6 18. f5 Qd3 19. Bf4 Qxc3 20. Qxc5 Qb2) 14... Bxc4? { (-1.33 → 0.09) Mistake. f5 was best. } (14... f5 15. Qc2) 15. Bc2?? { (0.09 → -1.97) Blunder. Rh3 was best. } (15. Rh3) 15... g6 16. Rh3 Qe7 17. Ng3 Bd5?! { (-1.69 → -0.79) Inaccuracy. f5 was best. } (17... f5 18. Be3 Rad8 19. Qc1 Bd5 20. Bf2 c4 21. Ne2 Nb3 22. Bxb3 cxb3 23. c4 Ba8 24. Rxb3) 18. Qe2 f6 19. Bd2?! { (-0.86 → -1.87) Inaccuracy. exf6 was best. } (19. exf6 Qf7) 19... f5?! { (-1.87 → -0.98) Inaccuracy. Nc4 was best. } (19... Nc4 20. Bb3 b5 21. Bxc4 Bxc4 22. Qe3 fxe5 23. fxe5 Rab8 24. Ne4 Nxe5 25. Qg5 Qg7 26. Bf4) 20. Nf1 Nb3?! { (-1.45 → -0.52) Inaccuracy. Bc4 was best. } (20... Bc4 21. Qf2 Bb3 22. c4 Bxc2 23. Bxa5 bxa5 24. Qxc2 Rad8 25. Rd1 Nb8 26. Rhd3 Nc6 27. Rd6) 21. Rd1 Nxd2 22. Qxd2?! { (-0.49 → -1.23) Inaccuracy. Nxd2 was best. } (22. Nxd2 Rad8) 22... Rad8 23. Ne3 Bb7?! { (-0.75 → 0.15) Inaccuracy. Be4 was best. } (23... Be4 24. Qe2) 24. Qd6 Qxd6 25. Rxd6 Rfe8 26. Ba4 Re7 27. Nc2?! { (1.44 → 0.82) Inaccuracy. g4 was best. } (27. g4 Kh8 28. gxf5 gxf5 29. Rg3 Bc8 30. Nxf5 exf5 31. e6 Ba6 32. exd7 Bc4 33. Bc6 b5) 27... Bd5?! { (0.82 → 1.92) Inaccuracy. Be4 was best. } (27... Be4 28. Ne3) 28. Rd3 Kf7?? { (1.76 → 4.02) Blunder. a6 was best. } (28... a6 29. Ne3) 29. Ne3 h6? { (3.97 → 7.74) Mistake. c4 was best. } (29... c4 30. R3xd5 exd5 31. Nxd5 Nc5 32. Rxd8 Nxa4 33. Nxe7 Kxe7 34. Rc8 Nxc3 35. Rxc4 Nd5 36. g3) 30. Nxd5 exd5 31. R3xd5 Ke8 32. Rxg6 Rh7 33. Rg8+ Ke7 34. Rxd8 Kxd8 35. e6 Kc7 36. Rxd7+ Rxd7 37. exd7 a6 38. c4 Kd8 39. Kf2 Kc7 40. Ke3 b5? { (8.16 → Mate in 17) Checkmate is now unavoidable. h5 was best. } (40... h5 41. g3 Kd8 42. h3 Ke7 43. Bc2 Kxd7 44. Bxf5+ Ke8 45. a4 Kf7 46. Bc2 Ke6 47. Ke4) 41. cxb5 Kxd7 42. bxa6+ Kc7 43. Bb5 Kb6 44. Bc4 Ka7 45. g3 Kb6 46. h3 h5 47. g4 hxg4 48. hxg4 fxg4 49. Kf2 g3+ 50. Kxg3 Ka7 51. Kg4 Kb6 52. f5 Ka7 53. f6 Kb6 54. f7 Ka5 55. f8=Q Ka4 56. Qe8+ Kxa3 57. Qe3+ Kb2 58. Qd2+ Ka3 59. Qc3+ Ka4 60. Qb3+ Ka5 61. Qb5# { White wins by checkmate. } 1-0