ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
17864	@@80JUz	1800
20139	@@0Ro7U	1800
17814	(select(0)from(select(sleep(15)))v)/'%2B(select(0)from(select(sleep(15)))v)%2B'"%2B(select(0)from(select(sleep(15)))v)%2B"/	1800

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Highest Elo gains

dessenne (+109.6)
Rafael de Sousa Assis (+34.7)
RIDHAM SHAH (+27.0)

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RIDHAM SHAH (75)
dessenne (31)
Macelowsky (24)

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Petroff Defence Powerbook 2026

The major part of the material on which the Petroff Defence Powerbook 2026 is based comes from the engine room of playchess.com: 357 000 games. This imposing number is supplemented by another 17 000 from Mega and from correspondence chess.

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Petroff Defence Powerbase 2026

Petroff Defence Powerbase 2026 is a database which contains 6475 high class games from Mega 2026 and the Correspondence Database 2026, of which 682 annotated.

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