ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
6269	R3-D3	1800
36120	R3G3NT	1774
25172	R4HuL1101	1800
27866	r4nzk	1800
17820	r5VUcdqX')%20OR%2078=(SELECT%2078%20FROM%20PG_SLEEP(15))--	1800
19057	raafeltalent	1800
1205	Raaghav29	1834
34262	RabbitBoss	1788
4839	rabbitovich	1800
11582	Rabi	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.

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