首先需要检查是否存在计算错误的代码,比如将棋盘状态数量乘以错误的常数的问题。如果代码正确,可以尝试增加棋盘状态数量的上限或降低搜索深度。还可以考虑使用剪枝算法来排除一些无效的搜索分支,从而减少需要考虑的棋盘状态数量。下面是一个使用alpha-beta剪枝算法的示例代码:
function alphabeta(depth, alpha, beta) {
if (depth == 0) {
return evaluate();
}
var moves = generateMoves();
for (var i = 0; i < moves.length; i++) {
makeMove(moves[i]);
var val = -alphabeta(depth - 1, -beta, -alpha);
undoMove(moves[i]);
if (val >= beta) {
return beta;
}
if (val > alpha) {
alpha = val;
}
}
return alpha;
}
var bestMove;
var maxVal = -Infinity;
var moves = generateMoves();
for (var i = 0; i < moves.length; i++) {
makeMove(moves[i]);
var val = -alphabeta(depth - 1, -Infinity, Infinity);
undoMove(moves[i]);
if (val > maxVal) {
maxVal = val;
bestMove = moves[i];
}
}
return bestMove;