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Openings, evaluated

Each opening analysed at depth 24 with Stockfish 17 and refreshed monthly. Click through for the board, the best move and the line, plus the API call that produced it.

• London SystemA45 · +0.18
• Caro-Kann Defense: Advance VariationB12 · +0.28
• Sicilian Defense: Alapin VariationB22 · +0.22
• Sicilian Defense: Sveshnikov VariationB33 · +0.42
• Sicilian Defense: Najdorf VariationB90 · +0.38
• French Defense: Advance VariationC02 · +0.20
• Petrov DefenseC42 · +0.30
• Ruy Lopez: Berlin DefenseC65 · +0.26
• Ruy Lopez: Closed, Anti-MarshallC88 · +0.24
• Queen's Gambit Declined: Three KnightsD37 · +0.34
• Grünfeld Defense: Exchange VariationD85 · +0.36
• King's Indian DefenseE60 · +0.44

This index seeds with 12 openings; the full ECO set (~500) is generated by the same template from a batch job.