lichess dev

[Event "2024 Lichess Anniversary"] [Site "http://chess-academy.net/G9wRuCee"] [Date "2024.06.20"] [Round "-"] [White "A8888888888888888888"] [Black "Donetsk"] [Result "0-1"] [UTCDate "2024.06.20"] [UTCTime "15:59:58"] [WhiteElo "800"] [BlackElo "1591"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Clemenz Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. h3 { A00 Clemenz Opening } a5?! { (-0.02 → 0.71) Inaccuracy. Best move was e5. } (1... e5 2. e3 d5 3. d4 e4 4. c4 c6 5. Nc3 Nf6 6. Nge2) 2. Rh2? { (0.71 → -1.41) Mistake. Best move was e4. } (2. e4 e5) 2... a4?! { (-1.41 → -0.57) Inaccuracy. Best move was e5. } (2... e5 3. e4 Nf6 4. d3 d5 5. g4 h6 6. Nc3 Bb4 7. exd5 Nxd5 8. Ne2 O-O 9. Bg2) 3. Rh1?! { (-0.57 → -1.41) Inaccuracy. Best move was d4. } (3. d4) 3... a3? { (-1.41 → 0.00) Mistake. Best move was Nf6. } (3... Nf6 4. Nf3) 4. Rh2? { (0.00 → -1.60) Mistake. Best move was Nxa3. } (4. Nxa3) 4... axb2?! { (-1.60 → -0.94) Inaccuracy. Best move was e5. } (4... e5 5. Nxa3 d5 6. d3 Nf6 7. g4 Bxa3 8. bxa3 O-O 9. Nf3 Nc6 10. Bb2 Re8 11. e4) 5. Rh1?? { (-0.94 → -20.88) Blunder. Best move was Bxb2. } (5. Bxb2 d5) 5... bxa1=Q 6. Rh2 Qxb1 7. Rh1 Rxa2 8. Rh2 Ra1 9. Rh1?! { (-31.40 → Mate in 9) Checkmate is now unavoidable. Best move was e3. } (9. e3 Qxc1) 9... Qxc1 10. Rh2 Qxc2?! { (Mate in 1 → -32.72) Lost forced checkmate sequence. Best move was Qxd1#. } (10... Qxd1#) 11. Qxa1 Nf6 12. Nf3 Ne4 13. g3 g6 14. Bg2 Bg7 15. Qd1 Qc5 16. e3 O-O 17. Kf1 Qxe3 18. h4?! { (-12.70 → Mate in 1) Checkmate is now unavoidable. Best move was dxe3. } (18. dxe3) 18... Qxf2# { Black wins by checkmate. } 0-1