ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
5739	USER_O1Wg29vp09	1800
5740	USER_nhpX1IE33m	1800
5741	USER_ra7aBIdgXr	1800
5742	USER_4t0UvyO1By	1800
5743	USER_49nbH050mP	1800
5744	USER_qmQ0oC3Lc8	1800
5745	USER_lsMngRF2JY	1800
5746	USER_2249WlnD1H	1800
5747	USER_1HpBNGQ3sX	1800
5748	Sangharsh	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)
Macelowsky (24)

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€69.90

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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