[Event "2021 Winter Marathon"] [Site "https://lichess.org/RhuFziIl"] [Date "2021.12.28"] [White "ponnapalli"] [Black "Mathisca"] [Result "0-1"] [UTCDate "2021.12.28"] [UTCTime "18:16:15"] [WhiteElo "2001"] [BlackElo "1500"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+21"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D38"] [Opening "Queen's Gambit Declined: Ragozin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 { D38 Queen's Gambit Declined: Ragozin Defense } 5. Bg5 O-O 6. e3 Nc6 7. Bd3?! { (0.94 → 0.36) Inaccuracy. cxd5 was best. } (7. cxd5 exd5 8. Bd3 Be7 9. Qb3 Na5 10. Qc2 h6 11. Bh4 c6) 7... Re8?! { (0.36 → 1.26) Inaccuracy. dxc4 was best. } (7... dxc4 8. Bxc4 e5 9. O-O exd4 10. Nxd4 Nxd4 11. exd4 c6 12. a3) 8. O-O e5?? { (1.47 → 4.03) Blunder. Be7 was best. } (8... Be7 9. c5) 9. dxe5?? { (4.03 → 1.81) Blunder. cxd5 was best. } (9. cxd5 exd4 10. Bxf6 gxf6 11. dxc6 dxc3 12. bxc3 Bc5 13. Qc2 Kg7 14. Bxh7 Qd5 15. cxb7 Bxb7) 9... Nxe5? { (1.81 → 3.69) Mistake. dxc4 was best. } (9... dxc4 10. Bxh7+ Kxh7 11. exf6 Bxc3 12. bxc3 Bg4 13. Qb1+ Qd3 14. Nh4 Rad8 15. fxg7 Rd5 16. Bf4) 10. Nxe5 Rxe5?! { (3.58 → 5.19) Inaccuracy. Bxc3 was best. } (10... Bxc3) 11. Bh4?? { (5.19 → 0.79) Blunder. Bxf6 was best. } (11. Bxf6) 11... Bxc3 12. bxc3 dxc4?? { (0.68 → 9.10) Blunder. Qd7 was best. } (12... Qd7) 13. Bxf6?? { (9.10 → -1.50) Blunder. Bxh7+ was best. } (13. Bxh7+ Kxh7 14. Qxd8 Nd5 15. Bg3 Rh5 16. Rfc1 a6 17. e4 Nf6 18. f3 c6 19. Qf8 b5) 13... Qxf6 14. Bxc4 Be6?! { (-1.43 → -0.37) Inaccuracy. Bh3 was best. } (14... Bh3 15. f3 Rd8 16. Qe2 Rg5 17. Rf2 Qxc3 18. Rd1 Rd6 19. Rxd6 cxd6 20. f4 Rc5 21. Bxf7+) 15. Bxe6 Rxe6 16. Qd4 Qxd4?! { (-0.65 → 0.31) Inaccuracy. g6 was best. } (16... g6) 17. cxd4 a5 18. Rab1 b6 19. Rfc1 Rc8 20. g3 c5 21. d5?! { (1.07 → 0.31) Inaccuracy. dxc5 was best. } (21. dxc5 Rec6) 21... Rd6 22. e4 f6?! { (0.48 → 1.29) Inaccuracy. f5 was best. } (22... f5) 23. f3 c4?? { (1.43 → 5.44) Blunder. f5 was best. } (23... f5 24. Kf2) 24. a4?! { (5.44 → 3.75) Inaccuracy. Kf2 was best. } (24. Kf2) 24... Rc5?! { (3.75 → 5.42) Inaccuracy. f5 was best. } (24... f5) 25. Rb5?! { (5.42 → 4.14) Inaccuracy. Kf2 was best. } (25. Kf2) 25... Rxb5 26. axb5 Rd8 27. Rxc4 Ra8 28. d6? { (3.96 → 2.16) Mistake. Rc3 was best. } (28. Rc3 Kf7 29. Kf2 a4 30. Ra3 g5 31. Ke3 Ke7 32. f4 gxf4+ 33. gxf4 h5 34. e5 h4) 28... Kf8 29. Rc6? { (1.98 → 0.49) Mistake. Rc7 was best. } (29. Rc7 a4 30. f4 a3 31. d7 Rd8 32. Ra7 a2 33. Kf2 Rxd7 34. Rxa2 Rd4 35. Ra6 Rxe4) 29... Ke8?? { (0.49 → 5.71) Blunder. a4 was best. } (29... a4 30. d7 Rd8 31. Rxb6 Rxd7 32. Ra6 Rd4 33. h4 h5 34. Kf2 Rb4 35. b6 Ke8 36. Ke3) 30. Rxb6 Kd7 31. Kf2 a4 32. f4?? { (6.58 → -4.79) Blunder. Ra6 was best. } (32. Ra6) 32... a3 33. e5?! { (-4.98 → -6.79) Inaccuracy. Rc6 was best. } (33. Rc6 a2) 33... a2 34. Rb7+ Ke6 35. Ke3?? { (-6.92 → Mate in 10) Checkmate is now unavoidable. b6 was best. } (35. b6 a1=Q 36. Ra7 Rxa7 37. bxa7 Qxa7+ 38. Kf1 Qa1+ 39. Kg2 Qa8+ 40. Kf2 fxe5 41. d7 exf4) 35... Ra3+ 36. Ke4 f5+ 37. Kd4 a1=Q+ 38. Kc5 Qc3+ 39. Kb6 Qd4+ 40. Kc7 Qc5+ 41. Kd8 Ra8+ 42. Rb8 Rxb8# { Black wins by checkmate. } 0-1