MadChess 2.0 Beta Build 044 (Late Move Pruning)
I added late move pruning to MadChess 2.0 Beta. Moves are sorted according to the history heuristic. If a quiet move qualifies for the largest late move reduction, but is less than or equal to four moves from the search horizon, it is skipped. The move is very unlikely to cause a beta cutoff and no time is wasted searching it. This added 39 Elo to the playing strength of MadChess 2.0 Beta. MadChess 2.0 Beta is now stronger than MadChess 1.4. MadChess 2.0 2154 : 800 (+347,=162,-291), 53.5 % vs. : games ( +, =, -), (%) : Diff,… Continue Reading