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Initial Position, (Initial Setup, Array)
the position where the game of chess starts. Pieces and king occupy their first rank, the pawns their second. White and black men are mirrored vertically. In orthodox classical chess, the kings occupy the e-file, the queen the d-file. bishop files are c and f, knight has b and g, and rooks a and h files respectively. In Fischer Random Chess or Chess960, there are 960 starting positions randomly determined and set up.


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In the context of search, the initial position might also refer the root of the search tree, which is not necessarily the initial position of the game of chess.


Movepath enumerations (perft) generated by Symbolic for the Initial Position [1].

See also


  1. ^ Perft FEN data by Steven Edwards, CCC, Nov 18, 2012

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