[Event "400th PRIZE CHESSATHON"] [Site "https://lichess.org/ufVM9X1C"] [Date "2021.05.24"] [White "chess_boom"] [Black "D-Stahlberg"] [Result "1-0"] [UTCDate "2021.05.24"] [UTCTime "14:46:31"] [WhiteElo "1802"] [BlackElo "2321"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B07"] [Opening "King's Pawn Game: Maróczy Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 e5 { B07 King's Pawn Game: Maróczy Defense } 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 f6 6. Nc3 Be6 7. Nd5 c6 8. Nc3 Bc5 9. Bd3?! { (-0.04 → -0.71) Inaccuracy. Nd2 was best. } (9. Nd2 Nd7 10. Bc4 Nf8 11. Bxe6 Nxe6 12. Nb3 Bb6 13. Bd2 Ne7 14. Na4 Ke8 15. f3 Ng6) 9... h5 10. h3 Nh6 11. Na4 Nd7?! { (-0.38 → 0.30) Inaccuracy. Be7 was best. } (11... Be7 12. Be3) 12. Nxc5 Nxc5 13. b3 Nxd3+ 14. cxd3 Kc7?! { (-0.22 → 0.75) Inaccuracy. c5 was best. } (14... c5 15. Ke2) 15. Ba3?! { (0.75 → 0.00) Inaccuracy. d4 was best. } (15. d4 exd4 16. Nxd4 Rae8 17. Bf4+ Kc8 18. Rc1 g5 19. Be3 a6 20. f3 f5 21. h4 g4) 15... Rad8 16. Rd1 Nf7?! { (-0.46 → 0.18) Inaccuracy. Rhe8 was best. } (16... Rhe8 17. Bc1 Nf7 18. d4 Nd6 19. dxe5 Nxe4 20. Rxd8 Rxd8 21. exf6 gxf6 22. O-O Nc3 23. Bb2) 17. O-O g5?? { (-0.16 → 2.00) Blunder. Rd7 was best. } (17... Rd7 18. Nh4) 18. d4?? { (2.00 → -0.75) Blunder. Be7 was best. } (18. Be7 g4) 18... g4 19. hxg4?! { (-0.75 → -1.46) Inaccuracy. Nh4 was best. } (19. Nh4 gxh3) 19... hxg4 20. Nh2?? { (-1.13 → -3.58) Blunder. Ne1 was best. } (20. Ne1 Rxd4 21. Rxd4 exd4 22. Be7 Rh6 23. Nc2 d3 24. Nb4 d2 25. Rd1 Ng5 26. e5 Ne4) 20... exd4?? { (-3.58 → 0.52) Blunder. Rh5 was best. } (20... Rh5) 21. g3?? { (0.52 → -5.36) Blunder. Be7 was best. } (21. Be7) 21... b6?? { (-5.36 → -0.18) Blunder. Rh3 was best. } (21... Rh3 22. f4 Rxg3+ 23. Kf2 Rh3 24. Kg2 f5 25. Nxg4 fxg4 26. Rh1 Re3 27. Rhe1 Rxe1 28. Rxe1) 22. f4?? { (-0.18 → -3.53) Blunder. Be7 was best. } (22. Be7 Rd7) 22... c5? { (-3.53 → -1.77) Mistake. f5 was best. } (22... f5) 23. f5 Bc8 24. Rf4?? { (-1.70 → -4.52) Blunder. Nxg4 was best. } (24. Nxg4) 24... Ne5 25. Nxg4?! { (-4.41 → -5.78) Inaccuracy. b4 was best. } (25. b4 c4 26. b5 Rd7 27. Nxg4 Rg8 28. Nxf6 Rxg3+ 29. Kf1 Rxa3 30. Nxd7 Bxd7 31. f6 Bh3+) 25... Nxg4?? { (-5.78 → -1.66) Blunder. Rdg8 was best. } (25... Rdg8 26. Nxe5 fxe5 27. Rf2 Rxg3+ 28. Rg2 Rxg2+ 29. Kxg2 Bb7 30. Kg3 Bxe4 31. Re1 Rg8+ 32. Kh2) 26. Rxg4 Rhg8? { (-1.51 → -0.32) Mistake. Bb7 was best. } (26... Bb7 27. Re1 Rde8 28. Bc1 Kd8 29. Kg2 Rh5 30. Rf4 Kd7 31. Kf3 Reh8 32. b4 Rh1 33. Bd2) 27. Rxg8 Rxg8 28. Kf2 Bb7 29. Kf3 Kd6?? { (-0.19 → 3.47) Blunder. a5 was best. } (29... a5 30. Bc1 b5 31. g4 Kb6 32. Rh1 Re8 33. Re1 c4 34. bxc4 bxc4 35. g5 fxg5 36. f6) 30. b4?? { (3.47 → -0.01) Blunder. Rxd4+ was best. } (30. Rxd4+ Kc7) 30... Ke5 31. bxc5?! { (0.00 → -0.86) Inaccuracy. Re1 was best. } (31. Re1 c4 32. Bc1 Kd6 33. Rd1 d3 34. Bd2 Rh8 35. g4 Rh3+ 36. Kg2 Rh8) 31... Bxe4+ 32. Kf2 bxc5?! { (-1.06 → -0.26) Inaccuracy. Rc8 was best. } (32... Rc8 33. cxb6) 33. Bxc5 d3 34. Bxa7 Kxf5 35. Be3 Rc8 36. Bf4 Rc2+ 37. Rd2 Rc4 38. Ke3 Kg4 39. Rb2 f5?? { (0.00 → Mate in 2) Checkmate is now unavoidable. Bg6 was best. } (39... Bg6 40. Kf2 Re4 41. Be3 Kf5 42. Rb5+ Ke6 43. Ra5 Rc4 44. Bd2 Re4) 40. Rh2 Rc2 41. Rh4# { White wins by checkmate. } 1-0