[Event "Lic. Matemáticas"] [Site "https://lichess.org/Ssad5nJS"] [Date "2023.07.17"] [White "otrebor_solrac123"] [Black "MarcoAIP"] [Result "0-1"] [UTCDate "2023.07.17"] [UTCTime "03:48:44"] [WhiteElo "1730"] [BlackElo "1828"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D38"] [Opening "Queen's Gambit Declined: Ragozin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 { D38 Queen's Gambit Declined: Ragozin Defense } 5. e3 Ne4?! { (0.00 → 0.84) Inaccuracy. O-O was best. } (5... O-O 6. Bd2 b6 7. cxd5 exd5 8. Rc1 c5 9. dxc5 bxc5 10. Bb5) 6. Qc2 f5 7. a3 Bd6 8. cxd5 Nxc3 9. bxc3 exd5 10. c4 O-O 11. cxd5 c6 12. dxc6 Nxc6 13. Bc4+ Kh8 14. O-O Qf6 15. Bb2 Qe7 16. Rfe1 a6 17. e4?! { (2.54 → 1.87) Inaccuracy. Qc3 was best. } (17. Qc3 Na7 18. a4 Bd7 19. Qb3 Nc6 20. a5 Rac8 21. h3 Be8 22. d5 Nb4 23. Nd4 Bf7) 17... fxe4 18. Qxe4 Qxe4 19. Rxe4 b5 20. Bd5 Bd7?! { (2.00 → 3.35) Inaccuracy. Bb7 was best. } (20... Bb7 21. Ne5 Bxe5 22. dxe5 Rad8 23. Ba2 Ne7 24. Rd4 Rxd4 25. Bxd4 Bd5 26. Bxd5 Nxd5 27. Rd1) 21. Ne5 Bxe5 22. dxe5 Rae8?! { (3.46 → 5.24) Inaccuracy. Rad8 was best. } (22... Rad8 23. e6 Ne7 24. Rc1 h5 25. Bb3 Be8 26. Re3 Kh7 27. f3 Bc6 28. Bc3 Bd5 29. Bc2+) 23. f4? { (5.24 → 2.87) Mistake. e6 was best. } (23. e6 Nb8 24. exd7 Nxd7 25. Rxe8 Rxe8 26. Rd1 Nb6 27. Bf3 Kg8 28. Bc3 Rc8 29. Bb4 Na4) 23... Ne7 24. Bb7?? { (2.81 → 0.07) Blunder. Bb3 was best. } (24. Bb3 Bf5 25. Ree1 Rc8 26. Rac1 Rfd8 27. Rcd1 Rxd1 28. Rxd1 a5 29. Rd6 h5 30. e6 Kg8) 24... a5?? { (0.07 → 3.16) Blunder. Rb8 was best. } (24... Rb8 25. e6 Be8 26. Bxa6 Rb6 27. f5 Rxa6 28. Rg4 Nxf5 29. Rf1 Bg6 30. e7 Re8 31. Rxf5) 25. g3?? { (3.16 → -0.29) Blunder. e6 was best. } (25. e6 Bc8 26. Bxc8 Rxc8 27. Rd1 Rc2 28. Be5 Re8 29. Rd7 h5 30. f5 Rc1+ 31. Kf2 Rc2+) 25... Bf5?? { (-0.29 → 2.40) Blunder. Rb8 was best. } (25... Rb8) 26. Re3 Rb8 27. Be4?! { (2.38 → 1.72) Inaccuracy. Bf3 was best. } (27. Bf3 Be6 28. Rd3 Kg8 29. Rd6 Kf7 30. g4 g6 31. Bd4 b4 32. axb4 Rxb4 33. Rxa5 Rc8) 27... h6 28. Rc1 b4 29. axb4?! { (2.49 → 1.33) Inaccuracy. e6 was best. } (29. e6 Bxe4 30. Rxe4 Rfe8 31. Rc5 b3 32. Rxa5 Rec8 33. Kf2 Rb6 34. Re2 Rc2 35. Kf3 Rbc6) 29... Rxb4 30. Bxf5 Nxf5 31. Ba3?? { (1.34 → -3.61) Blunder. Re2 was best. } (31. Re2 Nd4) 31... Nxe3 32. Bxb4 axb4 33. Rb1 Rb8 34. Rb3 Nc4 35. Kg2 Kg8 36. Kh3 Kf7 37. Kg4 g6 38. h4 Ke6 39. h5 gxh5+ 40. Kxh5 Nd2 41. Rb2 Ne4 42. g4 b3 43. Kxh6 Nc3 44. Kg5 Nd1 45. Rd2 Ne3 46. Rb2 Nc4 47. Rb1 b2 48. f5+ Kxe5 49. Re1+ Kd6 50. f6? { (-5.79 → -32.20) Mistake. Kf6 was best. } (50. Kf6 b1=Q 51. Rxb1 Rxb1 52. g5 Ne5 53. g6 Rb7 54. Kg5 Ke7 55. Kf4 Kf6 56. Ke4 Rb8) 50... b1=Q 51. Rxb1 Rxb1 52. Kg6 Ne5+ 53. Kg7?! { (-32.26 → Mate in 11) Checkmate is now unavoidable. Kf5 was best. } (53. Kf5 Rf1+ 54. Ke4 Nxg4 55. Kd3 Ne5+ 56. Kc2 Rxf6 57. Kd2 Rf2+ 58. Ke1 Ng4 59. Kd1 Ke6) 53... Rf1 54. g5 Ke6 55. Kh6 Kf7 56. g6+ Kxf6 57. g7 Rh1# { Black wins by checkmate. } 0-1