lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/VjM6nsuG"] [Date "2020.11.28"] [Round "-"] [White "bugariugeorge"] [Black "David13"] [Result "0-1"] [UTCDate "2020.11.28"] [UTCTime "09:37:23"] [WhiteElo "1180"] [BlackElo "1091"] [WhiteRatingDiff "-64"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: King's Head Opening #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. f3? { (0.30 → -1.26) Mistake. Best move was Nf3. } { C20 King's Pawn Game: King's Head Opening #2 } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... d6? { (-1.26 → 0.40) Mistake. Best move was Nc6. } (2... Nc6 3. Nc3) 3. Bb5+? { (0.40 → -0.85) Mistake. Best move was Nc3. } (3. Nc3 c6 4. d4 Nd7 5. Nge2 Ngf6 6. Be3 Qb6 7. b3 d5 8. Qd2 Qc7 9. O-O-O Bb4) 3... Bd7? { (-0.85 → 0.39) Mistake. Best move was c6. } (3... c6 4. Be2) 4. Bc4?! { (0.39 → -0.26) Inaccuracy. Best move was Bxd7+. } (4. Bxd7+ Nxd7 5. Nc3 Ngf6 6. d4 d5 7. exd5 exd4 8. Qxd4 Bc5 9. Qh4 O-O 10. Nge2 Be7) 4... Nc6 5. Bd3? { (0.22 → -1.86) Mistake. Best move was Nc3. } (5. Nc3 a6 6. Nge2 Na5 7. Bb3 Nxb3 8. axb3 Qh4+ 9. g3 Qh3 10. d4 Qg2 11. Rf1 O-O-O) 5... Nb4? { (-1.86 → -0.50) Mistake. Best move was f5. } (5... f5 6. Nc3 Qh4+ 7. g3 Qh5 8. Bb5 O-O-O 9. Bxc6 Bxc6 10. d4 fxe4 11. d5 Bd7 12. Nxe4) 6. Bc4? { (-0.50 → -1.60) Mistake. Best move was Bf1. } (6. Bf1 Nc6 7. Nc3 Nf6 8. Bc4 Nd4 9. Nge2 c6 10. Nxd4 exd4 11. Ne2 d5 12. exd5 cxd5) 6... Nc6? { (-1.60 → -0.16) Mistake. Best move was d5. } (6... d5 7. Bb3) 7. d3 Qh4+?! { (-0.50 → 0.30) Inaccuracy. Best move was Na5. } (7... Na5 8. Nc3) 8. Ke2? { (0.30 → -1.48) Mistake. Best move was g3. } (8. g3) 8... O-O-O? { (-1.48 → -0.09) Mistake. Best move was b5. } (8... b5 9. Bb3 a5 10. Kf1 a4 11. Bd5 Ra6 12. Bxc6 Bxc6 13. Qe1 Qxe1+ 14. Kxe1 d5 15. exd5) 9. h3? { (-0.09 → -1.74) Mistake. Best move was Bxf7. } (9. Bxf7) 9... Re8? { (-1.74 → 0.52) Mistake. Best move was d5. } (9... d5 10. Bxd5) 10. Qd2? { (0.52 → -1.90) Mistake. Best move was Bxf7. } (10. Bxf7 Rd8) 10... b6? { (-1.90 → 0.87) Mistake. Best move was g6. } (10... g6) 11. b4?? { (0.87 → -2.16) Blunder. Best move was Bxf7. } (11. Bxf7 Rd8 12. Kf1 Be7 13. Qf2 Nd4 14. Bb3 Rf8 15. Qxh4 Bxh4 16. Be3 Ne7 17. Bxd4 exd4) 11... Nd4+? { (-2.16 → -0.58) Mistake. Best move was d5. } (11... d5 12. Ba6+) 12. Ke3?? { (-0.58 → Mate in 5) Checkmate is now unavoidable. Best move was Kf1. } (12. Kf1 Nf6) 12... Qg5+?? { (Mate in 5 → -1.72) Lost forced checkmate sequence. Best move was g6. } (12... g6 13. Ba6+ Kb8 14. g4 Bh6+ 15. g5 Bxg5+ 16. f4 Bxf4#) 13. Kf2 Qh4+? { (-1.80 → -0.56) Mistake. Best move was Qxd2+. } (13... Qxd2+ 14. Nxd2 Nxc2 15. Rb1 d5 16. Bxd5 Nxb4 17. Bxf7 Nxd3+ 18. Kg3 Rd8 19. Ne2 Nf6 20. Rd1) 14. Ke3?? { (-0.56 → Mate in 5) Checkmate is now unavoidable. Best move was g3. } (14. g3) 14... Be7?! { (Mate in 5 → -14.90) Lost forced checkmate sequence. Best move was g6. } (14... g6 15. Ba6+ Kb8 16. g4 Bh6+ 17. g5 Bxg5+ 18. f4 Bxf4#) 15. Rh2?! { (-14.90 → Mate in 2) Checkmate is now unavoidable. Best move was g3. } (15. g3 Qxg3 16. h4 Bxh4 17. Rxh4 Qxg1+ 18. Qf2 Qxc1+ 19. Qd2 Qg1+ 20. Qf2 Nxc2+ 21. Ke2 Qc1) 15... Bg5+ 16. f4 exf4+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qxf4#. } (16... Qxf4#) 17. Kxd4 Bf6+ 18. Kd5 Re5+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Ne7#. } (18... Ne7#) 19. Kd4 c5+?? { (Mate in 2 → -4.66) Lost forced checkmate sequence. Best move was Rd5+. } (19... Rd5+ 20. Kxd5 Ne7#) 20. Kc3 Ba4?? { (-4.82 → 1.88) Blunder. Best move was b5. } (20... b5 21. Kb2 bxc4 22. Nf3 Qh5 23. b5 cxd3 24. Nxe5 Qxe5+ 25. Nc3 Qd4 26. cxd3 Bxb5 27. Kc2) 21. Bxf7?? { (1.88 → -17.96) Blunder. Best move was Kb2. } (21. Kb2) 21... Rg5+?? { (-17.96 → -5.94) Blunder. Best move was Rxe4+. } (21... Rxe4+) 22. Kc4?? { (-5.94 → Mate in 1) Checkmate is now unavoidable. Best move was d4. } (22. d4 Bxd4+) 22... Qg3?? { (Mate in 1 → -1.91) Lost forced checkmate sequence. Best move was b5#. } (22... b5#) 23. Rh1?? { (-1.91 → Mate in 1) Checkmate is now unavoidable. Best move was Nc3. } (23. Nc3 Qxh2 24. Nf3 Qxg2 25. Nxg5 Qxg5 26. d4 Bxd4 27. Nxa4 Qe7 28. Bxg8 Rxg8 29. c3 Qe6+) 23... b5# { Black wins by checkmate. } 0-1