ChessBase - Chess Quiz

Highscores

Rank	Name	Quiz Elo
20109	9UxxH2G9'))%20OR%20602=(SELECT%20602%20FROM%20PG_SLEEP(15))--	1800
9005	a_134	1800
36983	a_menstein	1762
139	A_Milla64	1965
7177	A_Thot_69	1800
2089	a_z	1816
37370	A0105	1756
10236	A109072	1800
38308	a-1234	1730
17563	A12345	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)
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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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