[Event "TreeHacks 2021 Arena"] [Site "https://lichess.org/08g8ceaQ"] [Date "2021.02.14"] [White "jchao01"] [Black "hyperburn777"] [Result "0-1"] [UTCDate "2021.02.14"] [UTCTime "00:57:12"] [WhiteElo "1158"] [BlackElo "1599"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "240+1"] [ECO "D05"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 { D05 Queen's Pawn Game: Colle System } Be7 5. Qe2 O-O 6. O-O c5 7. dxc5 Bxc5 8. e4 dxe4 9. Bxe4 Nxe4 10. Qxe4 Nc6 11. b4 Qf6 12. bxc5 Qxa1 13. Nfd2 Qxa2 14. Nc3 Qa5 15. Nb3 Qxc3 16. Nd4 Nxd4 17. Rd1 Ne2+ 18. Kf1 Nxc1 19. Rxc1 b6 20. Qxa8 Ba6+ 21. Kg1 Rxa8 22. g3 bxc5 23. Kg2 Rd8 24. h3 Bb7+ 25. f3 Qd2+ 26. Kf1 Bxf3 27. Re1 Qg2# { Black wins by checkmate. } 0-1