1.Alpha-Beta 2.History-heuristic 3.Hash Transportation table. 4.Open book 5.Queni search 6.check-extension 7.Fast move generation 8.Iterative deeping 9.Aspiration Windows 10.Killer Heuristic 11.Null-Move Forward Pruning 12.PV 13.Repetition Detection 14.Pondering(可能用到線程技術)