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Questions - negamax

How to make a chess negamax algorithm prefer captures and other good moves found shallower in the decision tree?

Suppose we have the following position (FEN 8/1K6/8/4q2P/8/8/5k2/8 b - - 3 2): My chess engine produces the correct move of Qxh5 when the search depth is below 3. After that, it seems the problem is ...
test-img

K. Raivio

c++

chess

alpha-beta-pruning

negamax

Votes: 0

Answers: 1

Latest Answer

Handle mate score by defining a ply variable that is incremented in make() and decremented in unmake(), set it to 0 when starting the search. VALUE_MATED = your_value; // the worst score of mated play...
test-img

ferdy

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