final move · Qh3#
Biggest upsetCheckmate

zacharek vs MrValkire

+252

beat a 2508

Elo
2256 vs 2508
Played
rapid · Jul 28, 2025
Opening
French Defense Winawer Advance Poisoned Pawn Variation
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Avg centipawn loss
51
Blunders
2
Moves
33
Color
Black
The game

How it swung

winninglosing
move 1zacharek’s evaluation, move by movemove 33
Not everything was clean

The one slip

30...♕e1+ cost 7.2 pawns. c3 would have held it.

The position went from winning to level.

Every move

The score

  1. 1. e4 e6
  2. 2. d4 d5
  3. 3. Nc3 Bb4
  4. 4. e5 c5
  5. 5. a3 Bxc3+
  6. 6. bxc3 Ne7
  7. 7. Qg4 Kf8
  8. 8. Bd3 Qa5
  9. 9. Bd2 Qa4
  10. 10. h4 c4
  11. 11. Be2 Qxc2
  12. 12. Nf3 Qf5
  13. 13. Qg3 Nbc6
  14. 14. h5 h6
  15. 15. Rh4 Qh7
  16. 16. Rf4 Nf5
  17. 17. Qh3 Na5
  18. 18. g4 Ne7
  19. 19. Nh4 Nb3
  20. 20. Rd1 Bd7
  21. 21. Qf3 Be8
  22. 22. Qg2 Qc2
  23. 23. g5 hxg5
  24. 24. Qxg5 Nxd2
  25. 25. Rxd2 Qxc3
  26. 26. Bg4 Rh6
  27. 27. Ng6+ Nxg6
  28. 28. hxg6 Qc1+
  29. 29. Ke2 Rh1
  30. 30. Bxe6 Qe1+
  31. 31. Kf3 Qxd2
  32. 32. Bxf7 Qd3+
  33. 33. Kg2 Qh3#

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