ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
35199	oste	1782
34454	oster603@googlemail.com	1787
19771	Ostertag	1800
37608	Ostrich	1752
7822	Osvalds	1800
20535	Oter_Teng	1800
32392	othoma	1797
32415	OtiliaBaciu	1797
4200	otisopse	1800
20108	oTq1kFrY')%20OR%20619=(SELECT%20619%20FROM%20PG_SLEEP(15))--	1800

last week

Highest Elo gains

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

Most active users

RIDHAM SHAH (75)
dessenne (31)
Ricardo Calvo Carbonell (28)

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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.

€9.90

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