final move · Qb8#
Checkmate

lo_s vs Bellerophon757

500 elo

mate on move 28

Elo
437 vs 500
Played
rapid · Jun 9, 2026
Opening
Queens Pawn Opening Accelerated London System
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Avg centipawn loss
190
Blunders
7
Moves
28
Colour
White
The game

How it swung

winninglosing
move 1lo_s’s evaluation, move by movemove 28
Not everything was clean

The one slip

24.♔d3 cost 9.1 pawns. ♔e5 would have held it.

That walks into 24...♕e2+: the rook on f2 gets a clear line, and the bishop on f4 sits at the end of it.

The point: 24...♕xf4+ 25.exf4 ♖e2+ 26.♔d4

Every move

The score

  1. 1. d4 d5
  2. 2. Bf4 Nc6
  3. 3. e3 Nf6
  4. 4. Nd2 Ne4
  5. 5. Nxe4 dxe4
  6. 6. f3 exf3
  7. 7. Nxf3 Bf5
  8. 8. Ne5 Nb4
  9. 9. g4 Nxc2+
  10. 10. Kf2 Nxa1
  11. 11. gxf5 Qd5
  12. 12. Bg2 Qxa2
  13. 13. Bxb7 Rb8
  14. 14. Bc6+ Kd8
  15. 15. Nd7 Rxb2+
  16. 16. Kf3 Rf2+
  17. 17. Ke4 Rc2
  18. 18. d5 Rc4+
  19. 19. Kf3 Rc2
  20. 20. h4 Rf2+
  21. 21. Ke4 Qc4+
  22. 22. Qd4 Qe2
  23. 23. Qxa7 Qf3+
  24. 24. Kd3 Qe2+
  25. 25. Ke4 Qc4+
  26. 26. Ke5 f6+
  27. 27. Ke6 Ra2
  28. 28. Qb8#

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