[Event "Hemelvaart Groningen"] [Site "?"] [Date "2017.05.28"] [Round "6"] [White "van der Graaf, Jaap"] [Black "Dekker, Derk"] [Result "0-1"] [WhiteElo "1699"] [BlackElo "1922"] [Variant "Standard"] [TimeControl "-"] [ECO "A27"] [Opening "English Opening: King's English Variation, Three Knights System"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e5 2. Nc3 Nc6 3. Nf3 { A27 English Opening: King's English Variation, Three Knights System } f5 4. e4?! { (0.33 → -0.27) Inaccuracy. d4 was best. } (4. d4 e4 5. Ne5 Nf6 6. Bf4 Bb4 7. e3 O-O 8. Nxc6 bxc6 9. Be2 Rb8 10. Rb1 h6) 4... Nf6?! { (-0.27 → 0.37) Inaccuracy. fxe4 was best. } (4... fxe4 5. Nxe4 Nf6 6. Nc3 Bc5 7. Be2 O-O 8. O-O d6 9. d3 a6 10. a3 Be6 11. b4) 5. exf5 Bc5 6. h3 e4?! { (0.18 → 0.98) Inaccuracy. d6 was best. } (6... d6 7. g4 g6 8. g5 Nh5 9. f6 Bf5 10. Nd5 Qd7 11. a3 h6 12. d3 hxg5 13. Bxg5) 7. Ng5 Qe7 8. Be2 O-O?! { (-0.17 → 0.64) Inaccuracy. d6 was best. } (8... d6 9. d3 Bxf5 10. dxe4 Nxe4 11. Ngxe4 Bxe4 12. O-O O-O 13. Nxe4 Qxe4 14. Bf3 Qg6 15. Be3) 9. d3 exd3 10. Qxd3 Ne5 11. Qc2 h6 12. Nge4 Nxe4 13. Qxe4 d6 14. Nd5 Qd8 15. g4 Re8 16. Be3 c6 17. Nf4?? { (0.99 → -1.83) Blunder. Bxc5 was best. } (17. Bxc5 dxc5 18. Ne3 Nf7 19. Qc2 b6 20. Rd1 Qh4 21. Kf1 Qe7 22. h4 Bb7 23. Ng2 Qe5) 17... Nxg4 18. Ne6 Nxe3 19. fxe3 Qf6 20. Bd3?! { (-1.39 → -2.08) Inaccuracy. O-O-O was best. } (20. O-O-O Bxe6 21. fxe6 Qxe6 22. Qxe6+ Rxe6 23. Bg4 Rxe3 24. Rde1 Rae8 25. Rxe3 Bxe3+ 26. Kc2 Bc5) 20... Bb4+?! { (-2.08 → -0.95) Inaccuracy. Bxe3 was best. } (20... Bxe3 21. Rh2 Bxe6 22. fxe6 Rxe6 23. Qh7+ Kf7 24. Kd1 Rae8 25. Qf5 Qxf5 26. Bxf5 Rf6 27. Bd3) 21. Ke2 Qxb2+?! { (-0.95 → -0.16) Inaccuracy. Bc5 was best. } (21... Bc5 22. Rab1 Bxe3 23. Kd1 Bb6 24. Re1 a5 25. Re2 Re7 26. Kc2 a4 27. a3 Ra5 28. Rf1) 22. Bc2 d5 23. cxd5 cxd5 24. Qd3 Bxe6 25. fxe6 Rac8 26. Qh7+ Kf8 27. Rhf1+ Ke7 28. Rf7+ Kd6 29. Rd7+ Kc5 30. Qf5?? { (0.00 → -4.22) Blunder. Rb1 was best. } (30. Rb1 Qe5 31. Qd3 Qh2+ 32. Kd1 Qg1+ 33. Ke2 Qh2+) 30... Kb6 31. Qxd5?? { (-4.03 → -21.90) Blunder. Rd6+ was best. } (31. Rd6+ Ka5) 31... Rxc2+ 32. Kf3?! { (-17.61 → Mate in 8) Checkmate is now unavoidable. Kd1 was best. } (32. Kd1 Rd2+) 32... Qf6+ 33. Kg4 h5+ 34. Qxh5 Rg2# { Black wins by checkmate. } 0-1