Passed pawn - Wikipedia
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History of chess - Wikipedia

Game Crafter, chinese Wikipedia, Pawn, rook, Chess piece, chess, encyclopedia, wikimedia Foundation, Jack, Wikimedia Commons
What is the meaning of “passed pawn must be pushed” in a chess game? - Quora

How to Play Chess: Setup, Rules, & Gameplay
Computer chess - Wikipedia

Pinning en passant : r/chess

Glossary of chess - Wikipedia

Backward Pawn - Chessprogramming wiki

Holy hell he did it : r/AnarchyChess
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