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// MTD_f.h: interface for the CMTD_fEngine class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_MTD_F_H__CFE83D8F_087F_496F_88E5_92C11F448F22__INCLUDED_) 
#define AFX_MTD_F_H__CFE83D8F_087F_496F_88E5_92C11F448F22__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include "SearchEngine.h" 
#include "TranspositionTable.h" 
#include "HistoryHeuristic.h" 
 
//MTD(f)搜索引擎 
class CMTD_fEngine:public CSearchEngine,public CHistoryHeuristic,public CTranspositionTable   
{ 
public: 
	CMTD_fEngine(); 
	virtual ~CMTD_fEngine(); 
 
public: 
	virtual SearchAGoodMove(BYTE position[10][9]); 
 
protected: 
	int FAlphaBeta(int nDepth,int alpha,int beta);//带有置换表的fail-softalpha-beta搜索函数 
	int Mtdf(int firstguess,int nDepth);		  //MTD(f)搜索函数 
 
protected: 
	CHESSMOVE m_cmBackupBM;//用以保存最佳走法的变量 
}; 
 
#endif // !defined(AFX_MTD_F_H__CFE83D8F_087F_496F_88E5_92C11F448F22__INCLUDED_)