Abstract
The note presents results of applying several Alpha-Beta search enhancements in the game of give-away checkers with a real-value state evaluation function. In particular, the MTD-bi (bisection) algorithm is tested and compared (1) with MTD(f) and (2) with Alpha-Beta search enhanced with transposition tables and the history heuristic. The results show that in the real-value domain the MTD(f) algorithm becomes impractical and loses its superiority over MTD-bi. Several remarks concerning possible implementations of different replacement schemes in transposition tables are presented and discussed.
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