[Event "Тетяна Костак проти своїх учнів simul"] [Site "https://lichess.org/X1GGVE8E"] [Date "2021.12.24"] [White "Tatiana_Kostak"] [Black "Nikita_Klivadenko1"] [Result "1-0"] [UTCDate "2021.12.24"] [UTCTime "17:10:01"] [WhiteElo "1181"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "C02"] [Opening "French Defense: Advance Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e6 2. d4 d5 3. e5 { C02 French Defense: Advance Variation } Bb4+? { (0.00 → 1.23) Mistake. c5 was best. } (3... c5 4. c3 Ne7 5. Nf3 Nbc6 6. Na3 Bd7 7. Nc2 Qa5 8. Bd2) 4. c3 Nc6?? { (1.19 → 4.97) Blunder. Bf8 was best. } (4... Bf8 5. Bd3 c5 6. Ne2 Nc6 7. Nd2 cxd4 8. cxd4 f6 9. f4) 5. Bd3?? { (4.97 → 1.62) Blunder. cxb4 was best. } (5. cxb4 Nxb4 6. Nf3 Ne7 7. Be2 c5 8. dxc5 b6 9. a3 Nbc6 10. cxb6 O-O 11. O-O Ng6) 5... Nxd4?? { (1.62 → 3.98) Blunder. Bf8 was best. } (5... Bf8 6. a4 b6 7. Na3 Nb8 8. b4 c5 9. b5 Nd7 10. Nh3 cxd4 11. cxd4 Bb4+ 12. Bd2) 6. cxb4 Nc6 7. a3?! { (3.94 → 2.66) Inaccuracy. Nf3 was best. } (7. Nf3 Nxb4 8. Qa4+ Nc6 9. O-O Ne7 10. Qg4 Ng6 11. Qg3 O-O 12. Bd2 a5 13. Nc3 Nb4) 7... Nxe5 8. Bc2 Ng4?? { (2.55 → 5.77) Blunder. Ng6 was best. } (8... Ng6 9. Nc3 c6 10. f4 N8e7 11. Nge2 O-O 12. O-O b6 13. Rf2 Nh4 14. Ng3 c5 15. bxc5) 9. Qxg4 f5 10. Qxg7 Qe7 11. Qxh8 Kd7 12. Qxg8 b5 13. Bg5 Qd6 14. Qxh7+ Kc6 15. Ne2 Qe5 16. Nc3 d4 17. Bf4 Qd5?! { (11.05 → Mate in 1) Checkmate is now unavoidable. Qxf4 was best. } (17... Qxf4 18. Nxf4 dxc3 19. bxc3 Rb8 20. Qg8 Kb7 21. a4 bxa4 22. Qe8 Ka8 23. O-O c6 24. Qxc6+) 18. Nxd5 exd5 19. Nxd4+ Kb7 20. Qxc7+ Ka6 21. Qc6# { White wins by checkmate. } 1-0