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Notes on opening preparation, backed by the data behind Ochess — which openings work at which ratings, and why.

18 Aug 2026·8 min read

The Martian Gambit: unsound, and still hard to meet

White gives up a knight for nothing and scores 64% anyway. What 16,000 games say about the bishop move that decides it — and why knowing the right move is not the same as surviving it.

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