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Chess Opening Explorer

With our Opening Explorer you can browse our entire chess database move by move obtaining statistics about the results of each possible continuation.
The Opening Explorer is a great tool if you want to study chess openings.

C92 Ruy Lopez, closed, Keres (9...a5) variation

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Opening Explorer Database:    
Moves List:
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 a5 10. a4  
Next Move # of Games Last Played Winnings percentage
White / Draw / Black
Engine Eval.
10... b4  86 2023
24.4 % 48.8 % 26.7 %
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Played frequently by

As White  
Katerina Lahno2 games
Ralf Lau2 games
Laurent Fressinet2 games
As Black  
Ladislav Kotan8 games
Igor A Zaitsev4 games
Paul Keres4 games