Did I Blunder
Your Free Chess Analysis Companion
Did I Blunder launched on December 29, 2024 with 10 votes, #1,989 of 5,365 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Did I Blunder is an open-source chess analysis web app. Analyze your chess games for free by entering your PGN or importing directly from chess.com or lichess.org. Generate detailed reports and classify all your moves.
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Blunderchess.net – blunder for your opponent every five moves2025 · blunderchess.net · ▲126blunderchess.net is an open source, peer-to-peer chess app where every five moves, players each get to make one blunder-move for their opponent
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