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Chess Olympiad 2026

Upset of the Round

The decisive game with the biggest rating gap won by the lower-rated player.

Ties: board order.

Updated 28 Sept 2026, 16:38 CEST

Record

432rating points

Giants and killers

Every decisive game of the event so far, the winner’s rating across and the loser’s up. The grey diagonal is an even game on paper; above it the lower-rated player won, and past the dark line, 200 points up, it is an upset: 104 of 2,524, each a dot. The shaded field is the rest, darker where more games fell. In red, each round’s Upset of the Round.

even+200150015002000200025002500winner’s rating →↑ loser’s ratingChong 2024 beat 2424Wilson 1835 beat 2267Wu 1573 beat 1961

Point at a dot to name the game; click to open it on Lichess.Tap a dot to name the game; tap it again to open it on Lichess.

Round by round