[Event "2023 Winter Marathon"] [Site "https://lichess.org/pAyDzFKO"] [Date "2023.12.29"] [White "Mischuk_D"] [Black "Bbao23"] [Result "0-1"] [UTCDate "2023.12.29"] [UTCTime "08:56:39"] [WhiteElo "2662"] [BlackElo "2208"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+11"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D44"] [Opening "Semi-Slav Defense: Botvinnik Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4?! { (0.12 → 0.77) Inaccuracy. h6 was best. } (5... h6 6. Bxf6 Qxf6 7. e3 g6 8. Bd3 dxc4 9. Bxc4 Bg7 10. O-O) 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 { D44 Semi-Slav Defense: Botvinnik Variation } hxg5 10. Bxg5 Qb6? { (0.65 → 2.17) Mistake. Nbd7 was best. } (10... Nbd7 11. g3 Qb6 12. exf6 Bb7 13. Bg2 c5 14. d5 O-O-O 15. O-O b4 16. dxe6 Bxg2 17. e7) 11. Bxf6 Rg8 12. h4 b4?? { (1.54 → 3.61) Blunder. Nd7 was best. } (12... Nd7 13. Bg5 Bb7 14. Qd2 Bb4 15. a3 Ba5 16. Rd1 c5 17. dxc5 Nxc5 18. Qf4 Bd5 19. Qf6) 13. Ne4 Nd7 14. h5 c3 15. b3? { (4.90 → 2.71) Mistake. h6 was best. } (15. h6) 15... Bh6 16. g4 Kf8 17. g5 Nxf6 18. Nxf6? { (1.87 → 0.40) Mistake. exf6 was best. } (18. exf6 Rxg5 19. Nxg5 Bxg5 20. Qg4 Bxf6 21. h6 Ke7 22. h7 Bd7 23. Rd1 Rh8 24. Rh5 c2) 18... Rxg5?! { (0.40 → 1.03) Inaccuracy. Bxg5 was best. } (18... Bxg5) 19. Qd3?! { (1.03 → 0.00) Inaccuracy. Nh7+ was best. } (19. Nh7+) 19... Rg7 20. Be2 a5 21. Qf3? { (-0.42 → -1.74) Mistake. f4 was best. } (21. f4 Ke7) 21... a4 22. Bc4? { (-2.18 → -3.78) Mistake. bxa4 was best. } (22. bxa4 c2 23. Qd3 Qa5 24. f4 b3+ 25. Kf2 b2 26. Rag1 Qxa4 27. Qc3 c1=R 28. Rxc1 bxc1=Q) 22... axb3 23. Bxb3?! { (-4.26 → -6.27) Inaccuracy. Qd3 was best. } (23. Qd3 Rxa2 24. Rxa2 bxa2 25. Ke2 c2 26. Nh7+ Kg8 27. Nf6+ Kh8 28. Bxa2 c1=N+ 29. Rxc1 Bxc1) 23... Qxd4 24. Qe2?! { (-6.38 → -11.07) Inaccuracy. Ne4 was best. } (24. Ne4 c2 25. Rc1 Bxc1 26. Bxc2 Rxa2 27. Qd3 Qxd3 28. Bxd3 Bh6 29. Rf1 b3 30. Nc5 b2) 24... c2 25. Rc1 Bxc1 26. Qxc2 Qxe5+?! { (-11.57 → -6.06) Inaccuracy. Ra5 was best. } (26... Ra5 27. Nd5 exd5 28. Qxc1 Qe4+ 29. Qe3 Qxh1+ 30. Kd2 Qa1 31. Qg3 Ba6) 27. Kf1?! { (-6.06 → -10.43) Inaccuracy. Ne4 was best. } (27. Ne4 Bh6 28. Qxc6 Rg4 29. f3 Rxe4+ 30. Qxe4 Qg3+ 31. Kd1 Bb7 32. Qxb7 Rd8+ 33. Bd5 Rxd5+) 27... Ba6+ 28. Bc4 Bxc4+ 29. Qxc4 Qxf6 30. Qxc1?! { (-11.14 → Mate in 6) Checkmate is now unavoidable. Qxc6 was best. } (30. Qxc6 Rd8) 30... Rd8?? { (Mate in 6 → -6.88) Lost forced checkmate sequence. Rxa2 was best. } (30... Rxa2 31. Qc5+ Kg8 32. Qe3 Qf5 33. Rh3 Qb1+ 34. Qe1 Qxe1+ 35. Kxe1 Rg1#) 31. h6 Rh7 32. Qc5+ Kg8 33. Rg1+ Kh8 34. Qb6?! { (-6.89 → -10.93) Inaccuracy. Qg5 was best. } (34. Qg5 Rd1+ 35. Ke2 Qxg5 36. Rxg5 Ra1 37. Rg4 Rxa2+ 38. Kf1 Rxh6 39. Rxb4 Rh2 40. Rf4 Ra1+) 34... Rxh6 35. Qxb4 Rd1+ 36. Ke2 Rd8?! { (-37.22 → -7.73) Inaccuracy. Rxg1 was best. } (36... Rxg1 37. Qf8+ Kh7 38. Qa3 Ra1 39. Qe3 Rxa2+ 40. Kd3 Qf5+ 41. Kc3 Qc2+ 42. Kd4 Qxf2 43. Qxf2) 37. Qf8+? { (-7.73 → Mate in 8) Checkmate is now unavoidable. Rg3 was best. } (37. Rg3 Qe5+ 38. Re3 Qh5+ 39. Rf3 Rf6 40. Qc3 Qxf3+ 41. Qxf3 Rxf3 42. Kxf3 Ra8 43. Kf4 Rxa2) 37... Rxf8 { White resigns. } 0-1