[Event "Mar 3rd Week Challenge - 2023"] [Site "https://lichess.org/IHYO7bGT"] [Date "2023.03.18"] [White "hellochess6874"] [Black "pallavi1985"] [Result "1-0"] [UTCDate "2023.03.18"] [UTCTime "18:32:00"] [WhiteElo "1777"] [BlackElo "1178"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C42"] [Opening "Petrov's Defense: Three Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 3. Nc3 { C42 Petrov's Defense: Three Knights Game } d6 4. Be2 Be6?! { (0.19 → 0.96) Inaccuracy. c5 was best. } (4... c5 5. Bc4 Be7 6. d3 O-O 7. Bg5 Ne8 8. Bxe7 Qxe7 9. Nd5) 5. O-O?! { (0.96 → 0.31) Inaccuracy. d4 was best. } (5. d4 exd4 6. Nxd4 Nc6 7. Nxe6 fxe6 8. Qd3 a6 9. Be3 Qe7) 5... Qe7?! { (0.31 → 1.27) Inaccuracy. c5 was best. } (5... c5 6. Bb5+ Nc6 7. Ng5 Be7 8. Bxc6+ bxc6 9. Nxe6 fxe6 10. Qf3) 6. d3?! { (1.27 → 0.57) Inaccuracy. d4 was best. } (6. d4 Bg4 7. a4 c6 8. a5 Qc7 9. h3 Bxf3 10. Bxf3 Be7 11. d5 a6 12. Be3 Nbd7) 6... Nc6?! { (0.57 → 1.42) Inaccuracy. c5 was best. } (6... c5 7. Ng5) 7. b3?! { (1.42 → 0.31) Inaccuracy. d4 was best. } (7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Qd8 10. Rd1 a6 11. Qe3 Be7) 7... O-O-O 8. Ba3 a5? { (-0.09 → 1.48) Mistake. Qe8 was best. } (8... Qe8 9. Bb2 Kb8 10. d4 d5 11. Bb5 Bg4 12. exd5 Bxf3 13. Qxf3 Nxd4 14. Bxe8 Nxf3+ 15. gxf3) 9. d4 exd4 10. Nxd4 Kd7?? { (1.40 → 4.36) Blunder. Qe8 was best. } (10... Qe8 11. Bb5 Bd7 12. Bxc6 Bxc6 13. Re1 Qe5 14. Rb1 Bd7 15. Qd2 Re8 16. b4 Qh5 17. bxa5) 11. Ndb5? { (4.36 → 2.66) Mistake. Bb5 was best. } (11. Bb5 Ng4 12. h3 Ne5 13. f4 Kc8 14. fxe5 Nb4 15. Qe2 Qg5 16. Nxe6 fxe6 17. Na4 dxe5) 11... Bd5?? { (2.66 → 7.13) Blunder. Kc8 was best. } (11... Kc8 12. Re1 Bd7 13. Nd5 Qxe4 14. Ndxc7 Bf5 15. c4 Qc2 16. Qxc2 Bxc2 17. Nd5 Kb8 18. Nxf6) 12. Nxd5 Qxe4 13. Bf3 Qe5 14. Bg4+ Nxg4 15. Qxg4+ f5 16. Qc4 Qe4 17. Rfe1 Qxc2?? { (5.34 → Mate in 2) Checkmate is now unavoidable. Qxc4 was best. } (17... Qxc4 18. bxc4 Ne5 19. Ndxc7 Nxc4 20. Nd5 b6 21. Rad1 Re8 22. Rxe8 Kxe8 23. Bc1 Kd7 24. Nd4) 18. Qxc2 Re8 19. Qxf5+ Kd8 20. Red1?! { (Mate in 6 → 10.60) Lost forced checkmate sequence. Rxe8+ was best. } (20. Rxe8+ Kxe8 21. Re1+ Kd8 22. Na7 Nxa7 23. Qf7 Be7 24. Qxe7+ Kc8 25. Qxc7#) 20... g6 21. Qf6+ Be7?! { (12.97 → Mate in 8) Checkmate is now unavoidable. Kc8 was best. } (21... Kc8 22. Qxh8 Rd8 23. Nbxc7 Bh6 24. Qxh7 Be3 25. Nxe3 Rd7 26. Qxd7+ Kxd7 27. Nb5 Kd8 28. Rxd6+) 22. Qf7?! { (Mate in 8 → 10.82) Lost forced checkmate sequence. Nxe7 was best. } (22. Nxe7 Rxe7 23. Bxd6 Kc8 24. Bxe7 Rd8 25. Bxd8 Nd4 26. Bxc7 Ne2+ 27. Kh1 Ng3+ 28. Bxg3 b6) 22... Rhf8 23. Qxh7 Rf3 24. gxf3 Nd4?! { (13.51 → Mate in 9) Checkmate is now unavoidable. Kc8 was best. } (24... Kc8 25. Nbxc7 Rf8 26. Nxe7+ Kxc7 27. Nxg6+ Kb8 28. Nxf8 Ne7 29. Ne6 Ka8 30. Qxe7) 25. Rxd4 c6 26. Nbc7 cxd5 27. Nxe8 Kxe8 28. Re1 b5 29. Qxe7# { White wins by checkmate. } 1-0