lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/tNZlbiXF"] [Date "2021.02.03"] [Round "-"] [White "TibiMat"] [Black "Stefansah"] [Result "1-0"] [UTCDate "2021.02.03"] [UTCTime "16:18:34"] [WhiteElo "1501"] [BlackElo "1163"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "600+4"] [ECO "B07"] [Opening "Pirc Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d6?! { (0.12 → 0.73) Inaccuracy. Best move was e6. } { B07 Pirc Defense #4 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Qf3? { (0.73 → -0.29) Mistake. Best move was d4. } (2. d4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. e5 dxe5) 2... Qd7? { (-0.29 → 0.87) Mistake. Best move was e5. } (2... e5 3. Bc4 Nf6 4. Nc3 c6 5. Bb3 Be7 6. Nge2 O-O 7. h3 c5 8. O-O Be6 9. d3) 3. Bc4?! { (0.87 → 0.01) Inaccuracy. Best move was d4. } (3. d4) 3... Kd8? { (0.01 → 1.71) Mistake. Best move was f5. } (3... f5 4. Ne2 Nc6 5. d4 Nf6 6. exf5 Qxf5 7. Qb3 Na5 8. Bf7+ Kd8 9. Qa3 Nc6 10. O-O) 4. Qxf7 Nh6? { (1.23 → 2.46) Mistake. Best move was Nf6. } (4... Nf6) 5. Qh5 Ng8?! { (2.03 → 2.96) Inaccuracy. Best move was Qg4. } (5... Qg4 6. Qxg4 Nxg4 7. Ne2 Nc6 8. d4 e5 9. f3 Nf6 10. Be3 Na5 11. Bd3 exd4 12. Nxd4) 6. d3?! { (2.96 → 2.27) Inaccuracy. Best move was Qe2. } (6. Qe2 Nc6) 6... Qa4? { (2.27 → 3.72) Mistake. Best move was Nf6. } (6... Nf6 7. Qd1) 7. Qf7? { (3.72 → 2.54) Mistake. Best move was Bxg8. } (7. Bxg8 Qxc2) 7... Nh6?! { (2.54 → 3.15) Inaccuracy. Best move was Qe8. } (7... Qe8 8. Qxe8+ Kxe8 9. Nc3 Nf6 10. a4 Nc6 11. h3 Nd4 12. Kd1 Kd8 13. Be3 e5 14. Bxd4) 8. Bxh6? { (3.15 → 2.08) Mistake. Best move was Qf3. } (8. Qf3) 8... gxh6 9. b3? { (2.66 → 1.33) Mistake. Best move was Nc3. } (9. Nc3 Qe8 10. Qf4 Qg6 11. g3 Bg7 12. Qd2 Nc6 13. O-O-O a5 14. Kb1 Bxc3 15. Qxc3 e5) 9... Qd7?! { (1.33 → 1.94) Inaccuracy. Best move was Qa5+. } (9... Qa5+ 10. Nd2) 10. a4 Qe6?? { (1.48 → 15.67) Blunder. Best move was Qg4. } (10... Qg4) 11. Bxe6 Bxe6 12. Qxe6 Bg7 13. h4 Nd7 14. Rh3 Bf6 15. Rf3 Rf8 16. g4 Re8 17. g5 Bxg5 18. hxg5 h5 19. g6 hxg6 20. Qxg6 Nf8 21. Qxh5 Kd7 22. Qh3+ Kd8 23. Ne2 c5 24. Na3 b6 25. Nf4 a5?! { (22.53 → Mate in 12) Checkmate is now unavoidable. Best move was c4. } (25... c4 26. Nxc4) 26. Ne6+ Kc8 27. Nxf8+ Kb7 28. Qd7+ Kb8 29. Ne6?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Rf7. } (29. Rf7 Ra7 30. Qxe8+ Kb7 31. Rxe7+ Ka6 32. Qb5#) 29... Rh8 30. Qc7# { White wins by checkmate. } 1-0