ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
4740	Kruk	1800
4741	Yotta	1800
4742	andrewico35	1800
4743	okan16	1800
4744	mifsud	1800
4745	coolcolors	1800
4746	s909	1800
4747	Akureyri	1800
4748	Sleazy Rider	1800
4749	Saxifragus	1800

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Highest Elo gains

dessenne (+109.6)
IMCG (+105.5)
Rafael de Sousa Assis (+34.7)

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RIDHAM SHAH (75)
Flamer (63)
IMCG (55)

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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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