此源代码仅供学习使用,严禁用作其它.用到的AI算法:NegamaxSearchEngineAlphaBetaSearchEngineFail-SoftAlpha-BetaSearchEngineAspirationSearchEnginePVSSearchEngineIterativeDeepeningAlphabetaSearchAlphaBeta+TTSearchEngineAlphabeta+HistoryHeuristicSearchMdt(f)SearchEngineNegaScout+TT+HH