djib/Sushi
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Version 1.0.3

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=============
Corrected a bug in the principal variation first search
This commit is contained in:
Jean-Baptiste Hétier
2006-07-18 16:43:27 +00:00
parent 9c4916fb1b
commit f9ff33b2b3
5 changed files with 95 additions and 29 deletions
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23
src/suicideChess/SuicideChess.java
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@ -28,16 +28,16 @@ public class SuicideChess {
/**
* does BitBoard.class removePiece function checks if removing piece is legal ?
*/
public static final boolean BITBOARD_REMOVEPIECE_CHECK_REMOVE = true;
public static final boolean BITBOARD_REMOVEPIECE_CHECK_REMOVE = false;
/**
* does Square.class checks if the strings are valid (is "z9" a valid square ?)
*/
public static final boolean SQUARE_CHECK_INVALID = true;
public static final boolean SQUARE_CHECK_INVALID = false;
/**
* Use mobility in evaluation function (slows the program down a lot)
*/
public static final boolean USE_MOBILITY = true;
public static final boolean USE_MOBILITY = false;
/**
* do move ordering in Alpha-Beta pruning ?
@ -94,12 +94,12 @@ public class SuicideChess {
/**
* Try the primary variation from the earliest iteration first
*/
public static final boolean PRINCIPAL_VARIATION_FIRST = false;
public static final boolean PRINCIPAL_VARIATION_FIRST = true;
/**
* The name to be displayed
*/
public static final String NAME = "djib's SuShi v1.0.2";
public static final String NAME = "djib's SuShi v1.0.3";
/**
* Displays informations in the console.
@ -178,11 +178,11 @@ public class SuicideChess {
private static void displayPlayer(Board bitboard) {
if(bitboard.getCurrentPlayer()==Piece.BLACK) {
System.out.println("Black: ");
System.out.println("-> Black: ");
} else {
System.out.println("White: ");
System.out.println("-> White: ");
}
//bitboard.debug();
}
//this variable is used to decide whether or not the computer should use it's opening book
@ -398,6 +398,8 @@ public class SuicideChess {
theMove = new Move(whatMove, bitboard);
}
//theMove.display();
if (testAndDisplayIfWinningOrDrawPosition(bitboard)) {
//if board was set in an illegal position
System.out.println("Illegal move: "+theMove.toString());
@ -430,6 +432,9 @@ public class SuicideChess {
if (asciiGame)
System.out.println("Capturing is mandatory.");
}
//bitboard.debug();
for (int moveIndex = 0; moveIndex < allLegalMoves.size(); moveIndex++)
System.out.println(allLegalMoves.get(moveIndex));
System.out.println("Illegal move: "+theMove.toString());
} else {
bitboard.doMove(allLegalMoves.get(foundMoveIndex));
@ -493,6 +498,8 @@ public class SuicideChess {
bitboard.display();
displayPlayer(bitboard);
}
computerMove.display();
bitboard.debug();
}
if (testAndDisplayIfWinningOrDrawPosition(bitboard)) {