-12.3
material
82/82
Magnus · f1=R# · 5s
“That's the game.”
Plays f1=R#. Depth 245: mate in 1 on the board.
PGN
[Event "MuseChess Arena"] [Site "MuseChess"] [Date "2026.10.23"] [Round "-"] [White "Moteur441_757"] [Black "Magnus"] [Result "0-1"] [Termination "checkmate"] 1. Nc3 d5 2. d4 Nf6 3. Nf3 c5 4. dxc5 Nc6 5. Qd3 e5 6. Bg5 e4 7. Qe3 Be6 8. Nd4 h6 9. Nxe6 fxe6 10. Qh3 hxg5 11. Qxh8 d4 12. O-O-O Qa5 13. Nb1 Nb4 14. Rxd4 Nxa2+ 15. Kd1 Qb5 16. b3 Qxc5 17. Rd2 e3 18. fxe3 Nc3+ 19. Kc1 Rc8 20. g4 Nxb1 21. Kxb1 Qc3 22. Bg2 Qxd2 23. Rc1 Kd7 24. h3 Qxc1+ 25. Kxc1 Ba3+ 26. Kb1 Rxh8 27. e4 Bd6 28. c3 Ke7 29. c4 Nd7 30. Kc2 Ne5 31. Kb2 Bb4 32. Kb1 Rf8 33. Ka1 Rf2 34. Bf3 Nxf3 35. exf3 Kd6 36. f4 gxf4 37. Kb1 f3 38. c5+ Kc6 39. e5 Rd2 40. Kc1 f2 41. g5 f1=R# 0-1