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Subject: DTZ and DTR

Author: GuyHaworth

Date: 17:01:08 04/29/03

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DTZ = Depth To (move-count) Zeroing (move),

    i.e. to a Pawn-push, capture and/or mate


DTR = Depth by The Rule

    ... meaning the k-move drawing rule

    i.e. highest value of the move-count if players are minimaxing this


EGTs to DTM (= Edwards, Nalimov), DTC (Thompson, Wirth, Wu-Beal) and DTZ
(Thompson back in 1986) have been generated.

Generating DTR EGTs is by some way less efficient unfortunately, but certainly
feasible for 5-man endgames.


g



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