{
  "name": "国际象棋 - 集盒",
  "short_name": "国际象棋",
  "description": "人机对战国际象棋：12 比特棋盘（bitboard）+ Negamax/Alpha-Beta 迭代加深，支持王车易位、吃过路兵、兵升变、将军/将杀判定；难度绑定搜索深度（入门1/简单2/普通3/困难4）、约 7 秒限时；支持悔棋、保存/读取棋局。",
  "lang": "zh-CN",
  "dir": "ltr",
  "start_url": "/tool/chess",
  "scope": "/",
  "display": "standalone",
  "display_override": [
    "standalone",
    "minimal-ui"
  ],
  "orientation": "portrait",
  "background_color": "#007AFF",
  "theme_color": "#007AFF",
  "categories": [
    "utilities",
    "productivity"
  ],
  "icons": [
    {
      "src": "/icons/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}