[Event "Umich Chess Arena"] [Site "https://lichess.org/87JILl6q"] [Date "2020.08.05"] [White "kweb"] [Black "Silver124"] [Result "1/2-1/2"] [UTCDate "2020.08.05"] [UTCTime "23:20:05"] [WhiteElo "2153"] [BlackElo "2055"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B17"] [Opening "Caro-Kann Defense: Karpov Variation"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 { B17 Caro-Kann Defense: Karpov Variation } 5. Ne2?! { (0.54 → -0.01) Inaccuracy. c3 was best. } (5. c3 Ngf6 6. Nxf6+ Nxf6 7. Nf3 Bg4 8. h3 Bh5 9. g4 Bg6) 5... Ngf6 6. N2c3 g6 7. Be3 Bg7 8. Qd2 O-O 9. Bh6 Bxh6 10. Qxh6 Nxe4 11. Nxe4 Nf6 12. Nxf6+ exf6 13. O-O-O Qd5 14. Kb1?! { (0.07 → -0.61) Inaccuracy. b3 was best. } (14. b3 a5) 14... Be6 15. b3 a5 16. Bc4 Qf5? { (-1.16 → 0.00) Mistake. Qxg2 was best. } (16... Qxg2) 17. Bxe6 Qxe6? { (0.00 → 1.23) Mistake. fxe6 was best. } (17... fxe6 18. Qe3 a4 19. b4 a3 20. f3 Rfe8 21. g4 Qb5 22. Qb3 Qd5 23. h4 Qxb3+ 24. axb3) 18. Rhe1? { (1.23 → -0.16) Mistake. Rd3 was best. } (18. Rd3) 18... Qd6?? { (-0.16 → 2.90) Blunder. Qg4 was best. } (18... Qg4 19. Rd3) 19. h4?? { (2.90 → -0.82) Blunder. Re3 was best. } (19. Re3) 19... a4 20. Rd2?! { (-0.78 → -1.76) Inaccuracy. g4 was best. } (20. g4 axb3) 20... axb3 21. cxb3 Ra5 22. g4 c5?? { (-1.61 → 0.52) Blunder. f5 was best. } (22... f5) 23. dxc5 Qxc5 24. h5 Qg5 25. Qxg5 Rxg5 26. hxg6 fxg6 27. Re7 Rf7 28. Rdd7? { (0.26 → -0.88) Mistake. Rd8+ was best. } (28. Rd8+ Kg7) 28... Rxe7 29. Rxe7 Rb5? { (-0.36 → 0.97) Mistake. Rxg4 was best. } (29... Rxg4) 30. Kc2?! { (0.97 → 0.41) Inaccuracy. Kb2 was best. } (30. Kb2 b6 31. a4 Rd5 32. Re6 b5 33. Rxf6 Kg7 34. Rf3 Kh6 35. Rh3+ Kg5 36. Rxh7 bxa4) 30... h6?! { (0.41 → 1.39) Inaccuracy. h5 was best. } (30... h5 31. gxh5) 31. a4 Rb6 32. Kc3 Kf8? { (1.76 → 3.12) Mistake. Rc6+ was best. } (32... Rc6+ 33. Kb4 b6 34. Kb5 Rd6 35. b4 h5 36. gxh5 gxh5 37. Rc7 Rd4 38. a5 bxa5 39. bxa5) 33. Rd7 Ke8 34. Rh7 h5 35. gxh5 gxh5 36. Rxh5 Kf7?! { (2.74 → 4.26) Inaccuracy. Kd7 was best. } (36... Kd7 37. Kc4) 37. Rh7+ Kg6? { (3.77 → 6.28) Mistake. Ke8 was best. } (37... Ke8 38. b4) 38. Rd7 Kf5 39. a5 Rb5? { (4.81 → 11.65) Mistake. Ra6 was best. } (39... Ra6 40. b4) 40. b4 Ke6 41. Rh7 Kd6 42. Kc4 Rf5 43. Rxb7 Rxf2 44. a6 Rf4+ 45. Kb5 Rf5+ 46. Ka4 Rf1 47. b5 Ra1+ 48. Kb4 Rb1+ 49. Ka5 Ra1+ 50. Kb6 Rb1? { (9.06 → Mate in 15) Checkmate is now unavoidable. f5 was best. } (50... f5) 51. a7 Ra1 52. Rb8 Kd7 53. Ra8?! { (Mate in 12 → 67.09) Lost forced checkmate sequence. a8=Q was best. } (53. a8=Q Rxa8 54. Rxa8 Kd6 55. Ka7 Ke5 56. b6 Ke4 57. b7 Kf4 58. b8=Q+ Kf5 59. Kb6 Kg4) 53... Rb1?! { (67.09 → Mate in 13) Checkmate is now unavoidable. Re1 was best. } (53... Re1 54. Rf8) 54. Rb8 Ra1 55. a8=Q Rxa8 56. Rxa8 Ke6 57. Ra4 Kf7 58. Rf4 Kg6 59. Rxf6+ Kxf6 60. Kb7 Ke6 61. b6 Kd7 62. Ka7 Ke7 63. b7 Ke6 { Draw by time and insufficient material. } 1/2-1/2