final move · Qxe3#
Biggest upsetCheckmate

cesmer07 vs PETERTENA070674

+323

beat a 838

Elo
515 vs 838
Played
rapid · 21 Jun 2026
Opening
Sicilian Defense Smith Morra Gambit
See the game on Chess.com
Avg centipawn loss
56
Blunders
1
Moves
18
Colour
Black
The game

How it swung

winninglosing
move 1cesmer07's evaluation, move by movemove 18
Not everything was clean

The one slip

Nxd5 on move 4 cost 3.5 pawnsNa6 held it.

Every move

The score

  1. 1. d4 c5
  2. 2. e4 Nc6
  3. 3. d5 Nb4
  4. 4. a3 Nxd5
  5. 5. exd5 Nf6
  6. 6. c4 e5
  7. 7. dxe6 Qa5+
  8. 8. Bd2 Qc7
  9. 9. exf7+ Kxf7
  10. 10. Nc3 d5
  11. 11. Nxd5 Bg4
  12. 12. f3 Nxd5
  13. 13. cxd5 Be7
  14. 14. fxg4 Bh4+
  15. 15. g3 Bxg3+
  16. 16. hxg3 Qxg3+
  17. 17. Ke2 Rhe8+
  18. 18. Be3 Qxe3#

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