Hash Move

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Home * Chess * Moves * Hash Move

The Hash Move is a Move Ordering related issue.

The Hash Move is a move probed from the transposition table, either a best move of a stored PV-node - a PV-move, or a good enough refutation move to cause a cutoff. This move should most importantly searched first [1] [2]. One may save the move generation at all, if the hash move actually fails high. To guard against rare TT key collisions, one may apply a legality test of the hash move [3].

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