← Back | ♞ Chess Move Cipher · Step-by-Step Trace

Step-by-Step Trace

Watch every bit of your message become a chess move — step by step, with full explanations and board visualization.

Message max 40 chars

Secret Key

Encrypted PGN (.cpgn contents)

Secret Key

Step 1 / 1

intro

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All legal moves

Usable (2^k moves)

Selected / played

Speed

Bit Stream

Computing trace…
HMAC for all moves at each position