ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
36814	properistol	1766
16616	Proton X	1800
3351	PRPCHESS102014	1804
20172	pruhpdLm'))%20OR%20428=(SELECT%20428%20FROM%20PG_SLEEP(15))--	1800
4407	pruina	1800
12410	Pruss	1800
32524	Przewoznik	1796
31481	Ps_God08	1800
397	psampat	1896
25669	PSBoChess	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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YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.

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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.

€9.90

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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