[Event "2017 Summer Marathon"] [Site "https://lichess.org/N2M1Cvtq"] [Date "2017.08.13"] [White "Olga-Johanna"] [Black "Anakonda555"] [Result "0-1"] [UTCDate "2017.08.13"] [UTCTime "11:30:03"] [WhiteElo "956"] [BlackElo "1545"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. Nc3 Be7?! { (-0.14 → 0.47) Inaccuracy. d5 was best. } (3... d5 4. Bg5 Be7 5. e3 O-O 6. Be2 c5 7. O-O h6 8. Bh4 b6 9. a3 Bb7 10. Ne5) 4. Be3?! { (0.47 → -0.31) Inaccuracy. e4 was best. } (4. e4) 4... O-O 5. Qd2 Nc6 6. O-O-O d5 7. a3?! { (-0.42 → -1.13) Inaccuracy. Bg5 was best. } (7. Bg5 Ne4) 7... a6?! { (-1.13 → -0.56) Inaccuracy. b5 was best. } (7... b5 8. Bg5 b4 9. axb4 Nxb4 10. Kb1 c5 11. dxc5 Qa5 12. e3 Bb7 13. Bxf6 Bxf6 14. Nd4) 8. b4?? { (-0.56 → -3.87) Blunder. Bg5 was best. } (8. Bg5 b5 9. Bxf6 Bxf6 10. e4 Be7 11. exd5 exd5 12. Na2 Bg4 13. Re1 Qd6 14. Kb1 Rab8) 8... a5 9. bxa5?? { (-3.71 → -9.88) Blunder. b5 was best. } (9. b5 Bxa3+) 9... Bxa3+ 10. Kb1 Nxa5 11. Na2 Nc4 12. Qd3 Nxe3 13. fxe3 Qd6 14. c3? { (-7.39 → Mate in 12) Checkmate is now unavoidable. Qb3 was best. } (14. Qb3 Ne4) 14... Qb6+ 15. Nb4 Bxb4 16. cxb4?! { (-25.46 → Mate in 4) Checkmate is now unavoidable. Kc1 was best. } (16. Kc1 Ra1+) 16... Qxb4+ 17. Kc2 Ra2+ 18. Kc1 Qb2# { Black wins by checkmate. } 0-1