Passed pawns
Stockfish 16.1 · runs in your browserPlay d6. White's pawn reaches d6; no black pawn can block it or capture it from an adjacent file.
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Commentary
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Best move
A passed pawn has no opposing pawn ahead of it on its own or either adjacent file. It still needs a clear path and king safety to advance. Move the d-pawn here and follow its route toward promotion.
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Choose an example, play the suggested move, then reset to compare another legal move.
Rules and examples
The board positions are original teaching examples. Rule references and further practice are linked below.
Rules: FIDE Laws of Chess, effective 1 January 2023. https://handbook.fide.com/chapter/E012023
Rule replay: python-chess 1.11.2 (GPL-3.0-or-later). The shared browser engine retains its Stockfish GPL-3.0 notice. No engine score is claimed by these demonstrations.
See the referenceA move on the board
7k/8/8/3P4/8/8/8/K7 w - - 0 1
7k/8/3P4/8/8/8/8/K7 b - - 0 1
- d6White's pawn reaches d6; no black pawn can block it or capture it from an adjacent file.
White's pawn reaches d6; no black pawn can block it or capture it from an adjacent file.
Original teaching example replayed with python-chess 1.11.2, 2026-10-18.
Analysis runs on Stockfish 16.1 in your browser, compiled to WebAssembly by stockfish.js. Stockfish is free software under the GNU General Public License v3; its source code is on GitHub.