[Event "Boron simul"] [Site "https://lichess.org/t2NBgSHu"] [Date "2017.02.06"] [White "RichardChen5064"] [Black "Dorothy6616"] [Result "1-0"] [UTCDate "2017.02.06"] [UTCTime "01:23:07"] [WhiteElo "1311"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "300+5"] [ECO "D02"] [Opening "Queen's Pawn Game: Zukertort Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 { D02 Queen's Pawn Game: Zukertort Variation } c6 3. Nc3 e6 4. Bf4 Nf6 5. g3 a6 6. Bg2 Nbd7 7. O-O g6 8. Ne5 a5?! { (0.30 → 0.96) Inaccuracy. Nh5 was best. } (8... Nh5 9. Bc1 f5 10. f4 Be7 11. b3 O-O 12. Na4 Qc7 13. c4 b5 14. Nb2 Bb7 15. Be3) 9. Nxd7 Qxd7 10. Re1 Ra6?! { (0.43 → 1.08) Inaccuracy. Nh5 was best. } (10... Nh5) 11. e4 dxe4? { (1.14 → 2.39) Mistake. Qd8 was best. } (11... Qd8 12. Bg5 Be7 13. exd5 cxd5 14. Bxf6 Bxf6 15. Nxd5 Bg7 16. c3 O-O 17. Nf4 Rd6 18. Nd3) 12. Nxe4? { (2.39 → 0.89) Mistake. Be5 was best. } (12. Be5 Be7 13. Nxe4 Qd8 14. Qf3 Nxe4 15. Bxh8 Nd6 16. Qe2 Nf5 17. Be4 Kf8 18. Be5 f6) 12... Nxe4 13. Bxe4 Bc5?? { (0.90 → 5.74) Blunder. Bg7 was best. } (13... Bg7 14. c3 a4 15. h4 O-O 16. Qe2 Re8 17. Rad1 Ra5 18. Bg2 b6 19. Be5 Bb7 20. c4) 14. dxc5 O-O 15. Qxd7 Bxd7 16. Bd3 Be8?! { (5.60 → 10.08) Inaccuracy. Raa8 was best. } (16... Raa8 17. a4 Rfd8 18. Bg5 Rdb8 19. Rad1 Be8 20. Bf6 b6 21. cxb6 Rxb6 22. b3 c5 23. Be2) 17. Bxa6 e5 18. Bxe5 b6 19. cxb6 c5 20. b7 Bd7 21. b8=Q Bc6?! { (17.46 → Mate in 6) Checkmate is now unavoidable. Rxb8 was best. } (21... Rxb8 22. Bxb8 Be6 23. Re5 c4 24. Rxa5 h5 25. Be5 Kh7 26. Rc5 g5 27. Rd1 h4 28. gxh4) 22. Qc7 Be8 23. Qxc5 Bd7 24. Qc3 Be8 25. Bh8 a4 26. Qg7# { White wins by checkmate. } 1-0