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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Cannon Chess | 带炮国象</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
flex-direction: column;
align-items: center;
background: linear-gradient(145deg, #648884, #746c94);;
margin: 0;
padding: 20px;
min-height: 100vh;
box-sizing: border-box;
}
#header {
background-color: rgba(255, 255, 255, 0.4);
padding: 1px;
border-radius: 20px;
width: 100%;
max-width: 900px;
text-align: center;
margin-bottom: 20px;
box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.2);
text-shadow: 1px 0 15px rgba(255, 255, 255, 0.8);
}
h1 {
color: #333;
margin-bottom: 10px;
font-size: 1.8rem;
}
/* 主容器 */
#main-container {
display: flex;
flex-direction: row;
justify-content: center;
align-items: flex-start;
gap: 30px;
width: 100%;
max-width: 900px;
}
#status {
font-size: 1.2em;
margin-bottom: 15px;
font-weight: bold;
color: #d32f2f;
}
/* 棋盘样式 */
#board {
display: grid;
grid-template-columns: repeat(8, 1fr);
grid-template-rows: repeat(8, 1fr);
width: min(70vw, 70vh, 600px);
height: min(70vw, 70vh, 600px);
border: 6px solid #64636b;
box-shadow: 0 0 8px 8px rgba(0, 0, 0, 0.5);
flex-shrink: 0;
}
.square {
display: flex;
justify-content: center;
align-items: center;
font-size: min(4.5vw, 4.5vh);
cursor: pointer;
position: relative;
}
.light {
background-color: #93b19d;
}
.dark {
background-color: #739485;
}
/* 棋子样式 */
.piece {
width: 75%;
height: 75%;
border-radius: 50%;
display: flex;
justify-content: center;
align-items: center;
font-size: inherit;
font-weight: bold;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
transition: transform 0.2s ease;
}
.piece:hover {
transform: scale(1.05);
}
.piece.white {
background: linear-gradient(145deg, #f0f0f0, #b3b3b3);
color: #555;
}
.piece.black {
background: linear-gradient(145deg, #4b4b4b, #161616);
color: #aaa;
}
.piece.advanced {
box-shadow: 0 0 10px 2px rgba(255, 215, 0, 0.8);
}
.piece.white.advanced {
background: linear-gradient(145deg, #fff8dc, #fff7c7);
}
.piece.black.advanced {
background: linear-gradient(145deg, #4b4b1a, #2e2e01);
}
/* 走子动画 */
.piece.moving {
transition: all 0.3s ease-in-out;
z-index: 1000;
position: relative;
}
/* 上一步走子标记 */
.last-move-from {
background-color: rgba(255, 255, 0, 0.3) !important;
}
.last-move-to {
background-color: rgba(255, 255, 0, 0.5) !important;
}
.selected {
box-shadow: inset 0 0 0 3px rgba(178, 190, 0, 0.74);
}
.legal-move::after {
content: "";
position: absolute;
width: 30%;
height: 30%;
border-radius: 50%;
background-color: rgba(164, 235, 72, 0.5);
}
/* 被将军格子提示 */
.square.in-check {
animation: pulse 0.8s infinite alternate !important;
box-shadow: inset 0 0 0 3px rgba(255, 0, 0, 0.5);
}
@keyframes pulse {
from { box-shadow: inset 0 0 0 4px rgba(255, 0, 0, 0.5); }
to { box-shadow: inset 0 0 0 4px rgba(255, 84, 84, 0.7); }
}
/* 侧栏 */
#side-bar {
display: flex;
flex-direction: column;
background-color: rgba(255, 255, 255, 0.2);
padding: 20px;
border-radius: 15px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
min-width: 200px;
}
.controls {
display: flex;
flex-direction: column;
margin-top: 0;
gap: 15px;
}
#buttons {
display: flex;
justify-content: center;
}
button {
padding: 8px 15px;
margin: 0 5px;
font-size: 1em;
cursor: pointer;
background-color: #4c6faf;
color: rgb(189, 189, 189);
border: none;
border-radius: 4px;
}
button:hover {
background-color: #45a09b;
}
/* 切换开关样式 */
.toggle-container {
display: flex;
align-items: center;
margin: 0 10px;
}
.toggle-label {
margin: 0 10px;
color: #f0f0f0;
font-weight: bold;
}
.toggle-switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
}
.toggle-switch input {
opacity: 0;
width: 0;
height: 0;
}
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
transition: .4s;
border-radius: 34px;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
transition: .4s;
border-radius: 50%;
}
input:checked + .slider {
background-color: #4c6faf;
}
input:checked + .slider:before {
transform: translateX(26px);
}
/* 移动端响应式设计 */
@media screen and (max-width: 768px) {
#main-container {
display: flex;
flex-direction: column;
align-items: center;
gap: 20px;
width: 100%;
max-width: 900px;
margin: 0 auto;
}
#board {
width: 90vw;
height: 90vw;
max-width: 400px;
max-height: 400px;
margin-bottom: 0;
}
#side-bar {
width: 90%;
max-width: 400px;
box-sizing: border-box;
}
.controls {
flex-direction: column;
align-items: center;
}
h1 {
font-size: 1.5rem;
}
.toggle-container {
flex-direction: row;
justify-content: center;
}
}
</style>
</head>
<body>
<div id="header">
<h1>Cannon Chess | 带炮国象</h1>
<div id="status">白方回合</div>
</div>
<div id="main-container">
<div id="board"></div>
<div id="side-bar">
<div class="controls">
<div id="buttons">
<button id="restart">重新开始</button>
<button id="undo">悔棋</button>
</div>
<div class="toggle-container">
<span class="toggle-label">双人</span>
<label class="toggle-switch">
<input type="checkbox" id="aiMode">
<span class="slider"></span>
</label>
<span class="toggle-label">人机</span>
</div>
</div>
<div id="notes">
<h4>说明</h4>
<ol>
<li>原主教Bishop变为炮Cannon,移动同后Queen,吃子同中国象棋的"炮"</li>
<li>取消王车易位(Castling)和吃过路兵(En Passent)的特殊规则</li>
<li>兵Pawn至对方底线升变为高级兵Advanced Pawn, 走法同王King</li>
<li>其它规则同国际象棋</li>
</ol>
</div>
</div>
</div>
<script>
// 游戏常量
const BOARD_SIZE = 8;
const START_FEN = "rncqkcnr/pppppppp/8/8/8/8/PPPPPPPP/RNCQKCNR w KQkq - 0 1";
// 棋子符号
const PIECE_SYMBOLS = {
'P': '♙', 'N': '♘', 'C': '♗', 'R': '♖', 'Q': '♕', 'K': '♔', 'A': '♟',
'p': '♙', 'n': '♘', 'c': '♗', 'r': '♖', 'q': '♕', 'k': '♔', 'a': '♟'
};
// 游戏状态
let board = [];
let turn = 'w';
let selectedSquare = null;
let legalMoves = [];
let history = [];
let isCheck = false;
let MAX_DEPTH = 3; // AI搜索深度
let isAIMode = true; // 是否为AI模式
let positionHistory = []; // 历史棋盘状态
let gameOver = false;
let gemeResult = '';
// 初始化游戏
function initGame() {
parseFEN(START_FEN);
// 重置选择状态
selectedSquare = null;
legalMoves = [];
isCheck = false;
positionHistory = []; // 清空局面历史
let gameOver = false;
let gemeResult = '';
renderBoard();
updateStatus();
}
// 解析FEN字符串
function parseFEN(fen) {
const parts = fen.split(' ');
const rows = parts[0].split('/');
board = Array(BOARD_SIZE).fill().map(() => Array(BOARD_SIZE).fill(null));
turn = parts[1];
for (let r = 0; r < BOARD_SIZE; r++) {
let c = 0;
for (const ch of rows[r]) {
if (/\d/.test(ch)) {
c += parseInt(ch);
} else {
board[r][c] = ch;
c++;
}
}
}
history = [];
isCheck = false;
}
// 强制重绘函数
function forceRedraw(element) {
void element.offsetHeight; // 触发重绘
}
// 渲染棋盘
function renderBoard() {
const boardElement = document.getElementById('board');
boardElement.innerHTML = '';
// 获取当前走棋方的王的位置
const currentKingPos = findKing(turn);
const isCurrentKingInCheck = isKingInCheck(turn);
// 获取上一步的移动
const lastMove = history.length > 0 ? history[history.length - 1] : null;
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
const square = document.createElement('div');
square.className = `square ${(r + c) % 2 === 0 ? 'light' : 'dark'}`;
square.dataset.row = r;
square.dataset.col = c;
// 标记上一步的起始位置
if (lastMove && lastMove.from.row === r && lastMove.from.col === c) {
square.classList.add('last-move-from');
}
// 标记上一步的目标位置
if (lastMove && lastMove.to.row === r && lastMove.to.col === c) {
square.classList.add('last-move-to');
}
// 高亮选中的棋子
if (selectedSquare && selectedSquare.row === r && selectedSquare.col === c) {
square.classList.add('selected');
}
// 标记合法移动
if (legalMoves.some(move => move.row === r && move.col === c)) {
square.classList.add('legal-move');
}
square.classList.remove('in-check');
// 标记被将军的王（当前走棋方的王）
if (isCurrentKingInCheck && currentKingPos &&
r === currentKingPos.row && c === currentKingPos.col) {
square.classList.add('in-check');
}
// 添加棋子
const piece = board[r][c];
if (piece) {
const pieceElement = document.createElement('div');
const isAdvanced = piece.toLowerCase() === 'a';
pieceElement.className = `piece ${(piece === piece.toUpperCase()) ? 'white' : 'black'}${isAdvanced ? ' advanced' : ''}`;
pieceElement.textContent = PIECE_SYMBOLS[piece];
square.appendChild(pieceElement);
}
square.addEventListener('click', () => handleSquareClick(r, c));
boardElement.appendChild(square);
}
}
// 重绘棋盘
forceRedraw(boardElement);
}
// 处理棋盘点击
function handleSquareClick(row, col) {
const piece = board[row][col];
// 如果是AI模式且轮到黑方，不允许人类玩家操作
if (isAIMode && turn === 'b') {
return;
}
// 如果没有选中棋子，且点击的是当前方的棋子，则选中它
if (!selectedSquare) {
if (piece && (piece === piece.toUpperCase()) === (turn === 'w')) {
selectedSquare = { row, col };
legalMoves = calculateLegalMoves(row, col);
renderBoard();
}
return;
}
// 如果点击的是已选中的棋子，取消选择
if (selectedSquare.row === row && selectedSquare.col === col) {
selectedSquare = null;
legalMoves = [];
renderBoard();
return;
}
// 检查是否是合法移动
const isLegal = legalMoves.some(move => move.row === row && move.col === col);
if (isLegal) {
// 执行移动
const move = {
from: { ...selectedSquare },
to: { row, col },
piece: board[selectedSquare.row][selectedSquare.col],
captured: board[row][col]
};
// 获取移动的棋子元素
const fromSquare = document.querySelector(`[data-row="${selectedSquare.row}"][data-col="${selectedSquare.col}"]`);
const toSquare = document.querySelector(`[data-row="${row}"][data-col="${col}"]`);
const pieceElement = fromSquare.querySelector('.piece');
// 添加移动动画
if (pieceElement) {
pieceElement.classList.add('moving');
// 计算目标位置
const fromRect = fromSquare.getBoundingClientRect();
const toRect = toSquare.getBoundingClientRect();
const deltaX = toRect.left - fromRect.left;
const deltaY = toRect.top - fromRect.top;
// 设置动画
pieceElement.style.transform = `translate(${deltaX}px, ${deltaY}px)`;
// 动画结束后更新棋盘
setTimeout(() => {
history.push(move);
board[row][col] = board[selectedSquare.row][selectedSquare.col];
board[selectedSquare.row][selectedSquare.col] = null;
// 检查升变
if (move.piece.toLowerCase() === 'p') {
const isWhite = move.piece === move.piece.toUpperCase();
if ((isWhite && row === 0) || (!isWhite && row === 7)) {
board[row][col] = isWhite ? 'A' : 'a';
}
}
// 记录当前局面
const currentPosition = getPositionFingerprint();
positionHistory.push(currentPosition);
// 检查是否形成三次重复
if (isThreefoldRepetition()) {
gameOver = true;
gameResult = "Three Fold Repetition（三次重复局面），和棋";
updateStatus();
return;
}
// 切换回合
turn = turn === 'w' ? 'b' : 'w';
// 检查新回合方是否有合法移动
const opponentColor = turn === 'w' ? 'b' : 'w';
const hasLegalMove = hasAnyLegalMove();
if (!hasLegalMove) {
isCheck = isKingInCheck(turn);
gameOver = true;
if (isCheck) {
gameResult = `Checkmate！${opponentColor === 'w' ? '白方' : '黑方'}获胜！`;
} else {
gameResult = "Stalemate（无子可动），和棋";
}
updateStatus();
return;
}
// 检查对方是否被将军
isCheck = isKingInCheck(turn === 'w' ? 'b' : 'w');
selectedSquare = null;
legalMoves = [];
// 重置动画样式
pieceElement.classList.remove('moving');
pieceElement.style.transform = '';
renderBoard();
updateStatus();
// 如果是AI模式且轮到黑方，让AI移动
if (isAIMode && turn === 'b') {
setTimeout(() => {
makeAIMove();
}, 500);
}
}, 300); // 与CSS动画时间相匹配
}
} else if (piece && (piece === piece.toUpperCase()) === (turn === 'w')) {
// 选择另一个己方棋子
selectedSquare = { row, col };
legalMoves = calculateLegalMoves(row, col);
renderBoard();
}
}
// 检查当前回合方是否有任何合法移动
function hasAnyLegalMove() {
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
const piece = board[r][c];
if (piece && (piece === piece.toUpperCase()) === (turn === 'w')) {
if (calculateLegalMoves(r, c).length > 0) {
return true;
}
}
}
}
return false;
}
// 计算所有合法移动
function calculateLegalMoves(row, col) {
const piece = board[row][col];
if (!piece) return [];
const color = piece === piece.toUpperCase() ? 'w' : 'b';
const rawMoves = calculateRawMoves(row, col);
const legal = [];
// 过滤会导致被将军的走法
for (const move of rawMoves) {
// 临时移动
const captured = board[move.row][move.col];
board[move.row][move.col] = piece;
board[row][col] = null;
if (!isKingInCheck(color)) {
legal.push(move);
}
// 恢复
board[row][col] = piece;
board[move.row][move.col] = captured;
}
return legal;
}
// 计算原始移动（不考虑将军）
function calculateRawMoves(row, col) {
const piece = board[row][col];
if (!piece) return [];
const isWhite = piece === piece.toUpperCase();
const type = piece.toLowerCase();
const moves = [];
switch (type) {
case 'p': // 兵
const direction = isWhite ? -1 : 1;
// 前进一步
if (isValidSquare(row + direction, col) && !board[row + direction][col]) {
moves.push({ row: row + direction, col });
// 初始位置可前进两步
const startRow = isWhite ? 6 : 1;
if (row === startRow && !board[row + 2 * direction][col]) {
moves.push({ row: row + 2 * direction, col });
}
}
// 斜吃
for (const dc of [-1, 1]) {
const newCol = col + dc;
if (isValidSquare(row + direction, newCol)) {
const target = board[row + direction][newCol];
if (target && (target === target.toUpperCase()) !== isWhite) {
moves.push({ row: row + direction, col: newCol });
}
}
}
break;
case 'a': // 高级兵（走法与王相同）
for (const [dr, dc] of [[1,0],[-1,0],[0,1],[0,-1],[1,1],[1,-1],[-1,1],[-1,-1]]) {
const newRow = row + dr;
const newCol = col + dc;
if (isValidSquare(newRow, newCol)) {
const target = board[newRow][newCol];
if (!target || (target === target.toUpperCase()) !== isWhite) {
moves.push({ row: newRow, col: newCol });
}
}
}
break;
case 'n': // 马
for (const [dr, dc] of [[2,1],[2,-1],[-2,1],[-2,-1],[1,2],[1,-2],[-1,2],[-1,-2]]) {
const newRow = row + dr;
const newCol = col + dc;
if (isValidSquare(newRow, newCol)) {
const target = board[newRow][newCol];
if (!target || (target === target.toUpperCase()) !== isWhite) {
moves.push({ row: newRow, col: newCol });
}
}
}
break;
case 'c': // 炮
// 移动部分（直线不限距离，不能越子）
for (const [dr, dc] of [[1,0],[-1,0],[0,1],[0,-1],[1,1],[1,-1],[-1,1],[-1,-1]]) {
let newRow = row + dr;
let newCol = col + dc;
while (isValidSquare(newRow, newCol)) {
if (!board[newRow][newCol]) {
moves.push({ row: newRow, col: newCol });
} else {
break;
}
newRow += dr;
newCol += dc;
}
}
// 吃子部分（必须隔一个炮架）
for (const [dr, dc] of [[1,0],[-1,0],[0,1],[0,-1]]) {
let foundScreen = false;
let newRow = row + dr;
let newCol = col + dc;
while (isValidSquare(newRow, newCol)) {
if (board[newRow][newCol]) {
if (!foundScreen) {
foundScreen = true;
} else {
const target = board[newRow][newCol];
if ((target === target.toUpperCase()) !== isWhite) {
moves.push({ row: newRow, col: newCol });
}
break;
}
}
newRow += dr;
newCol += dc;
}
}
break;
case 'r': // 车
case 'q': // 后
const directions = type === 'r'
? [[1,0],[-1,0],[0,1],[0,-1]]
: [[1,0],[-1,0],[0,1],[0,-1],[1,1],[1,-1],[-1,1],[-1,-1]];
for (const [dr, dc] of directions) {
let newRow = row + dr;
let newCol = col + dc;
while (isValidSquare(newRow, newCol)) {
const target = board[newRow][newCol];
if (!target) {
moves.push({ row: newRow, col: newCol });
} else {
if ((target === target.toUpperCase()) !== isWhite) {
moves.push({ row: newRow, col: newCol });
}
break;
}
newRow += dr;
newCol += dc;
}
}
break;
case 'k': // 王
for (const [dr, dc] of [[1,0],[-1,0],[0,1],[0,-1],[1,1],[1,-1],[-1,1],[-1,-1]]) {
const newRow = row + dr;
const newCol = col + dc;
if (isValidSquare(newRow, newCol)) {
const target = board[newRow][newCol];
if (!target || (target === target.toUpperCase()) !== isWhite) {
moves.push({ row: newRow, col: newCol });
}
}
}
break;
}
return moves;
}
// 获取局面指纹
function getPositionFingerprint() {
// 简化的局面表示：棋子位置+回合方
let fingerprint = turn + "|";
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
fingerprint += board[r][c] || "-";
}
fingerprint += "/";
}
return fingerprint;
}
// 是否形成三次重复局面
function isThreefoldRepetition() {
if (positionHistory.length < 3) return false;
const currentPosition = positionHistory[positionHistory.length - 1];
let count = 0;
// 统计当前局面出现的次数
for (let i = 0; i < positionHistory.length; i++) {
if (positionHistory[i] === currentPosition) {
count++;
if (count >= 3) {
return true;
}
}
}
return false;
}
// 检查坐标是否有效
function isValidSquare(row, col) {
return row >= 0 && row < BOARD_SIZE && col >= 0 && col < BOARD_SIZE;
}
// 检查指定颜色的王是否被将军
function isKingInCheck(color) {
const kingPos = findKing(color);
if (!kingPos) return false;
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
const piece = board[r][c];
if (piece && (piece === piece.toUpperCase() ? 'w' : 'b') !== color) {
const moves = calculateRawMoves(r, c);
if (moves.some(move => move.row === kingPos.row && move.col === kingPos.col)) {
return true;
}
}
}
}
return false;
}
// 查找指定颜色的王
function findKing(color) {
const king = color === 'w' ? 'K' : 'k';
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
if (board[r][c] === king) {
return { row: r, col: c };
}
}
}
return null;
}
// 更新状态显示
function updateStatus() {
const statusElement = document.getElementById('status');
let status = '';
if (gameOver) {
status = gameResult;
statusElement.style.color = '#d32f2f'; // 红色文字显示结果
} else {
status = `${turn === 'w' ? '白方' : '黑方'}回合`;
// 检查当前走棋方是否被将军
if (isKingInCheck(turn)) {
status += " (CHECK！)";
statusElement.style.color = '#d32f2f'; // 红色文字
} else {
statusElement.style.color = '#333'; // 黑色文字
}
}
statusElement.textContent = status;
}
// 悔棋
function undoMove() {
if (history.length === 0) return;
const lastMove = history.pop();
board[lastMove.from.row][lastMove.from.col] = lastMove.piece;
board[lastMove.to.row][lastMove.to.col] = lastMove.captured;
turn = turn === 'w' ? 'b' : 'w';
// 更新将军状态
const opponentColor = turn === 'w' ? 'b' : 'w';
isCheck = isKingInCheck(opponentColor);
selectedSquare = null;
legalMoves = [];
renderBoard();
updateStatus();
}
// AI部分
// 棋子基础价值
const PIECE_VALUES = {
'p': 10, 'n': 35, 'c': 35, 'r': 55, 'q': 90, 'k': 1000,
'a': 30 // 高级兵的价值
};
// 动态棋子价值
function getDynamicPieceValue(pieceType, gamePhase) {
// 根据游戏阶段调整棋子价值
const phaseMultiplier = {
'p': 1, // 兵价值保持不变
'n': 0.8 + gamePhase * 0.3, // 马在残局价值更高
'c': 1.2 - gamePhase * 0.4, // 炮在开局价值更高
'r': 1, // 车价值保持不变
'q': 1, // 后价值保持不变
'k': 1, // 王价值保持不变
'a': 1 // 高级兵价值保持不变
};
return PIECE_VALUES[pieceType] * phaseMultiplier[pieceType];
}
// 计算游戏阶段（基于剩余棋子数量）
function calculateGamePhase() {
let totalPieces = 0;
for (let r = 0; r < BOARD_SIZE; r++) {
for (let c = 0; c < BOARD_SIZE; c++) {
if (board[r][c]) {
totalPieces++;
}
}
}
// 初始32个棋子，当棋子数量减少时，gamePhase从0增加到1，28个以上为0，8个以下为1
return Math.max(0, Math.min(1, (28 - totalPieces) / 24));
}
// 位置价值表（用于评估棋子位置）
const POSITION_VALUES = {
'p': [ // 兵
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[2, 3, 3, 4, 4, 3, 3, 2],
[3, 4, 4, 5, 5, 4, 4, 3],
[5, 5, 5, 6, 6, 5, 5, 4],
[6, 6, 6, 6, 6, 6, 6, 6],
[7, 7, 7, 7, 7, 7, 7, 7],
[9, 9, 9, 9, 9, 9, 9, 9]
],
'a': [ // 高级兵
[-2, -2, -2, -2, -2, -2, -2, -2],
[-2, -2, -2, -2, -2, -2, -2, -2],
[-2, -2, -2, -2, -2, -2, -2, -2],
[-2, -2, -2, -2, -2, -2, -2, -2],
[-1, -1, -1, -1, -1, -1, -1, -1],
[ 1, 1, 2, 2, 2, 2, 1, 1],
[ 2, 3, 3, 4, 4, 3, 3, 2],
[ 3, 4, 4, 5, 5, 4, 4, 3]
],
'n': [ // 马
[-5, -4, -3, -3, -3, -3, -4, -5],
[-4, -2, 0, 0, 0, 0, -2, -4],
[-3, 0, 1, 2, 2, 1, 0, -3],
[-3, 0, 2, 3, 3, 2, 0, -3],
[-3, 0, 2, 3, 3, 2, 0, -3],
[-3, 0, 1, 2, 2, 1, 0, -3],
[-4, -2, 0, 0, 0, 0, -2, -4],
[-5, -4, -3, -3, -3, -3, -4, -5]
],
'c': [ // 炮
[ 0, 0, 0, 0, 0, 0, 0, 0],
[ 1, 1, 1, 1, 1, 1, 1, 1],
[ 2, 2, 2, 3, 3, 2, 2, 2],
[ 3, 3, 3, 4, 4, 3, 3, 3],
[ 2, 2, 2, 3, 3, 2, 2, 2],
[ 1, 1, 1, 1, 1, 1, 1, 1],
[ 0, 0, 0, 0, 0, 0, 0, 0],
[-1, -1, -1, -1, -1, -1, -1, -1]
],
'r': [ // 车
[ 0, 0, 1, 2, 2, 1, 0, 0],
[ 0, 1, 2, 3, 3, 2, 1, 0],
[ 1, 2, 3, 4, 4, 3, 2, 1],
[ 2, 3, 4, 5, 5, 4, 3, 2],
[ 2, 3, 4, 5, 5, 4, 3, 2],
[ 1, 2, 3, 4, 4, 3, 2, 1],
[ 0, 1, 2, 3, 3, 2, 1, 0],
[ 0, 0, 1, 2, 2, 1, 0, 0]
],
'q': [ // 后
[-2, -1, -1, -1, -1, -1, -1, -2],
[-1, 0, 0, 0, 0, 0, 0, -1],
[-1, 0, 1, 1, 1, 1, 0, -1],
[-1, 0, 1, 2, 2, 1, 0, -1],
[-1, 0, 1, 2, 2, 1, 0, -1],
[-1, 0, 1, 1, 1, 1, 0, -1],
[-1, 0, 0, 0, 0, 0, 0, -1],
[-2, -1, -1, -1, -1, -1, -1, -2]
],
'k': [ // 王
[ 4, 5, 4, 3, 3, 4, 5, 4],
[ 4, 4, 4, 3, 3, 4, 4, 4],
[ 3, 3, 3, 2, 2, 3, 3, 3],
[ 2, 2, 2, 1, 1, 2, 2, 2],
[ 1, 1, 1, 0, 0, 1, 1, 1],
[ 0, 0, 0, -1, -1, 0, 0, 0],
[-1, -1, -1, -2, -2, -1, -1, -1],
[-2, -2, -2, -3, -3, -2, -2, -2]
]
};
// 评估局面分数
function evaluateBoard() {
let score = 0;
const gamePhase = calculateGamePhase();
// 中心控制评估
const centerControl = {
'w': 0,
'b': 0
};
//遍历棋盘