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[Event "Masterclass Arena"] [Site "http://chess-academy.net/LfxQg5Fe"] [Date "2022.03.01"] [Round "-"] [White "SofiaStangu"] [Black "Artemy_Denisenko"] [Result "0-1"] [UTCDate "2022.03.01"] [UTCTime "16:00:12"] [WhiteElo "1561"] [BlackElo "1935"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "420+1"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. g4? { (0.13 → -2.38) Mistake. Best move was Nc3. } (3. Nc3 Nc6 4. d3 Na5 5. Bb3 Bb4 6. Nf3 Bxc3+ 7. bxc3 d6) 3... h6? { (-2.38 → -0.82) Mistake. Best move was d5. } (3... d5 4. exd5 Bxg4 5. f3 Bf5 6. Nc3 c6 7. d4 Nxd5 8. Nge2 Be6 9. Qd2 Bb4 10. a3) 4. g5? { (-0.82 → -2.97) Mistake. Best move was Nc3. } (4. Nc3) 4... hxg5? { (-2.97 → -1.53) Mistake. Best move was Nxe4. } (4... Nxe4 5. g6 fxg6 6. Nc3 Nxc3 7. dxc3 Qf6 8. Qf3 Nc6 9. Bd5 Qxf3 10. Bxf3 d6 11. Be3) 5. h4? { (-1.53 → -3.59) Mistake. Best move was d4. } (5. d4 Nxe4 6. dxe5 Qe7 7. Qe2 f5 8. exf6 gxf6 9. Bd5 Nd6 10. h4 Qxe2+ 11. Nxe2 Rxh4) 5... gxh4? { (-3.59 → -2.27) Mistake. Best move was Rxh4. } (5... Rxh4 6. Rxh4 gxh4 7. Nc3 d6 8. d4 h3 9. Nf3 Nc6 10. dxe5 dxe5 11. Qxd8+ Nxd8 12. Be3) 6. Nh3? { (-2.27 → -4.46) Mistake. Best move was d4. } (6. d4 exd4) 6... Nxe4 7. Nf4?? { (-3.80 → -8.33) Blunder. Best move was Nc3. } (7. Nc3) 7... exf4 8. Rxh4? { (-7.77 → -21.98) Mistake. Best move was d3. } (8. d3 Ng5) 8... Qf6?? { (-21.98 → -0.09) Blunder. Best move was Qxh4. } (8... Qxh4) 9. Rxh8 g6 10. b4?? { (0.00 → -11.54) Blunder. Best move was Rh1. } (10. Rh1 Kd8 11. d4 Nc6 12. c3 Ng5 13. Rh4 d5 14. Bxd5 Nh3 15. Rh7 Ng5) 10... Qxh8 11. Ke2 Qxa1 12. Qh1 Qxb1 13. a3 a5 14. Kd1?! { (-12.14 → Mate in 10) Checkmate is now unavoidable. Best move was Qxe4+. } (14. Qxe4+ Be7 15. Qxf4 Kd8 16. Qd4 f6 17. Qb2 Qxb2 18. Bxb2 d6 19. d4 Bf5 20. Bd3 Bxd3+) 14... Nxf2+ 15. Ke2 Nxh1 16. Kd1?! { (-42.73 → Mate in 9) Checkmate is now unavoidable. Best move was Bb2. } (16. Bb2 Qxb2) 16... axb4 17. axb4 Ra1 18. Ke2 Qxc1 19. Kd3 Ra3+ 20. Ke4 Qxc2+ 21. Kxf4 Qxc4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qf5#. } (21... Qf5#) 22. Kg5 Rg3+ 23. Kf6 Be7+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qd4#. } (23... Qd4#) 24. Kg7 Qd4+ 25. Kg8 Rh3 26. b5 Qh8# { Black wins by checkmate. } 0-1