{
 "id": "sk",
 "name": "そろばんキングダム標準",
 "note": "公開されている珠算検定の出題例を参考にした、このアプリ独自のめやす。20〜16級は入門の級。6級からの見取算は「口数×総字数」（桁を混ぜて総字数を合わせる）。段位は目安。2026-09-28 作りなおし",
 "subjects": {
  "mitori": {
   "name": "みとり算",
   "answer": "soroban",
   "N": 10,
   "per": 10,
   "pass": 70,
   "limit": 420
  },
  "kake": {
   "name": "かけ算",
   "answer": "soroban",
   "N": 15,
   "per": 10,
   "pass": 100,
   "limit": 420
  },
  "wari": {
   "name": "わり算",
   "answer": "soroban",
   "N": 15,
   "per": 10,
   "pass": 100,
   "limit": 420
  },
  "anzan": {
   "name": "あんざん",
   "answer": "input",
   "N": 10,
   "per": 10,
   "pass": 70,
   "limit": 180
  },
  "flash": {
   "name": "フラッシュ暗算",
   "answer": "flash"
  }
 },
 "exams": {
  "soroban": {
   "name": "珠算",
   "subjs": [
    "mitori",
    "kake",
    "wari"
   ]
  },
  "anzan": {
   "name": "暗算",
   "subjs": [
    "anzan"
   ]
  }
 },
 "grades": [
  {
   "key": "20級",
   "band": "kyu",
   "n": 20,
   "mitori": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMax": 5,
    "label": "こたえが5まで"
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMax": 5,
    "label": "こたえが5まで"
   },
   "flash": {
    "digits": 1,
    "terms": 2,
    "sec": 3,
    "pace": 1500
   }
  },
  {
   "key": "19級",
   "band": "kyu",
   "n": 19,
   "mitori": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMax": 9,
    "label": "こたえが9まで（くり上がりなし）"
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMax": 9,
    "label": "こたえが9まで（くり上がりなし）"
   },
   "flash": {
    "digits": 1,
    "terms": 2,
    "sec": 2.6,
    "pace": 1300
   }
  },
  {
   "key": "18級",
   "band": "kyu",
   "n": 18,
   "mitori": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMin": 6,
    "sumMax": 10,
    "label": "こたえが6〜10（五玉をつかう）"
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMin": 6,
    "sumMax": 10,
    "label": "こたえが6〜10（五玉をつかう）"
   },
   "flash": {
    "digits": 1,
    "terms": 3,
    "sec": 3.6,
    "pace": 1200
   }
  },
  {
   "key": "17級",
   "band": "kyu",
   "n": 17,
   "mitori": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMin": 11,
    "sumMax": 18,
    "label": "くり上がり（こたえ11〜18）"
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 2,
    "sub": false,
    "sumMin": 11,
    "sumMax": 18,
    "label": "くり上がり（こたえ11〜18）"
   },
   "flash": {
    "digits": 1,
    "terms": 3,
    "sec": 3,
    "pace": 1000
   }
  },
  {
   "key": "16級",
   "band": "kyu",
   "n": 16,
   "mitori": {
    "digits": 1,
    "terms": 3,
    "sub": false,
    "sumMax": 9,
    "label": "3口・くり上がりなし"
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 3,
    "sub": false,
    "sumMax": 9,
    "label": "3口・くり上がりなし"
   },
   "flash": {
    "digits": 1,
    "terms": 4,
    "sec": 3.6,
    "pace": 900
   }
  },
  {
   "key": "15級",
   "band": "kyu",
   "n": 15,
   "mitori": {
    "digits": 1,
    "terms": 5
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 3,
    "sub": false,
    "label": "3口"
   },
   "flash": {
    "digits": 1,
    "terms": 4,
    "sec": 3.2,
    "pace": 800
   }
  },
  {
   "key": "14級",
   "band": "kyu",
   "n": 14,
   "mitori": {
    "digits": 1,
    "terms": 7
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 4,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 5,
    "sec": 3.8,
    "pace": 750
   }
  },
  {
   "key": "13級",
   "band": "kyu",
   "n": 13,
   "mitori": {
    "digits": 2,
    "terms": 3
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 5,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 5,
    "sec": 3.5,
    "pace": 700
   }
  },
  {
   "key": "12級",
   "band": "kyu",
   "n": 12,
   "mitori": {
    "digits": 2,
    "terms": 4
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 6,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 6,
    "sec": 3.9,
    "pace": 650
   }
  },
  {
   "key": "11級",
   "band": "kyu",
   "n": 11,
   "mitori": {
    "digits": 2,
    "terms": 5
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 7,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 6,
    "sec": 3.6,
    "pace": 600
   }
  },
  {
   "key": "10級",
   "band": "kyu",
   "n": 10,
   "mitori": {
    "digits": 2,
    "terms": 5
   },
   "kake": null,
   "wari": null,
   "anzan": {
    "digits": 1,
    "terms": 8,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 7,
    "sec": 3.9,
    "pace": 550
   }
  },
  {
   "key": "9級",
   "band": "kyu",
   "n": 9,
   "mitori": {
    "digits": 2,
    "terms": 6
   },
   "kake": {
    "a": 2,
    "b": 1
   },
   "wari": null,
   "anzan": {
    "digits": 2,
    "terms": 4,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 8,
    "sec": 4,
    "pace": 500
   }
  },
  {
   "key": "8級",
   "band": "kyu",
   "n": 8,
   "mitori": {
    "digits": 2,
    "terms": 8
   },
   "kake": {
    "a": 3,
    "b": 1
   },
   "wari": null,
   "anzan": {
    "digits": 2,
    "terms": 5,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 10,
    "sec": 4.8,
    "pace": 480
   }
  },
  {
   "key": "7級",
   "band": "kyu",
   "n": 7,
   "mitori": {
    "digits": 2,
    "terms": 10
   },
   "kake": {
    "a": 2,
    "b": 2
   },
   "wari": {
    "D": 3,
    "dv": 1,
    "qd": 2
   },
   "anzan": {
    "digits": 2,
    "terms": 6,
    "sub": false
   },
   "flash": {
    "digits": 1,
    "terms": 12,
    "sec": 5.4,
    "pace": 450
   }
  },
  {
   "key": "6級",
   "band": "kyu",
   "n": 6,
   "mitori": {
    "digits": 3,
    "terms": 10,
    "chars": 30,
    "minDigits": 2,
    "maxDigits": 4
   },
   "kake": {
    "variants": [
     {
      "a": 3,
      "b": 2
     },
     {
      "a": 2,
      "b": 3
     }
    ]
   },
   "wari": {
    "D": 4,
    "dv": 1,
    "qd": 3
   },
   "anzan": {
    "digits": 2,
    "terms": 7
   },
   "flash": {
    "digits": 2,
    "terms": 6,
    "sec": 4.8,
    "pace": 800
   }
  },
  {
   "key": "5級",
   "band": "kyu",
   "n": 5,
   "mitori": {
    "digits": 4,
    "terms": 10,
    "chars": 40,
    "minDigits": 3,
    "maxDigits": 5
   },
   "kake": {
    "a": 3,
    "b": 3
   },
   "wari": {
    "D": 4,
    "dv": 2,
    "qd": 2
   },
   "anzan": {
    "digits": 2,
    "terms": 8
   },
   "flash": {
    "digits": 2,
    "terms": 7,
    "sec": 5.2,
    "pace": 750
   }
  },
  {
   "key": "4級",
   "band": "kyu",
   "n": 4,
   "mitori": {
    "digits": 4,
    "terms": 10,
    "chars": 45,
    "minDigits": 3,
    "maxDigits": 5
   },
   "kake": {
    "variants": [
     {
      "a": 4,
      "b": 3
     },
     {
      "a": 3,
      "b": 4
     }
    ]
   },
   "wari": {
    "D": 5,
    "dv": 2,
    "qd": 3
   },
   "anzan": {
    "digits": 2,
    "terms": 10
   },
   "flash": {
    "digits": 2,
    "terms": 8,
    "sec": 5.6,
    "pace": 700
   }
  },
  {
   "key": "3級",
   "band": "kyu",
   "n": 3,
   "mitori": {
    "digits": 5,
    "terms": 10,
    "chars": 50,
    "minDigits": 4,
    "maxDigits": 6
   },
   "kake": {
    "variants": [
     {
      "a": 4,
      "b": 3
     },
     {
      "a": 3,
      "b": 4
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 6,
    "dv": 3,
    "qd": 3,
    "dec": true
   },
   "anzan": {
    "digits": 3,
    "terms": 7
   },
   "flash": {
    "digits": 2,
    "terms": 10,
    "sec": 6.5,
    "pace": 650
   }
  },
  {
   "key": "2級",
   "band": "kyu",
   "n": 2,
   "mitori": {
    "digits": 5,
    "terms": 10,
    "chars": 55,
    "minDigits": 4,
    "maxDigits": 6
   },
   "kake": {
    "a": 4,
    "b": 4,
    "dec": true
   },
   "wari": {
    "D": 7,
    "dv": 3,
    "qd": 4,
    "dec": true
   },
   "anzan": {
    "digits": 3,
    "terms": 8
   },
   "flash": {
    "digits": 2,
    "terms": 12,
    "sec": 7.2,
    "pace": 600
   }
  },
  {
   "key": "1級",
   "band": "kyu",
   "n": 1,
   "mitori": {
    "digits": 6,
    "terms": 10,
    "chars": 60,
    "minDigits": 5,
    "maxDigits": 7
   },
   "kake": {
    "variants": [
     {
      "a": 5,
      "b": 4
     },
     {
      "a": 4,
      "b": 5
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 8,
    "dv": 4,
    "qd": 4,
    "dec": true
   },
   "anzan": {
    "digits": 3,
    "terms": 10
   },
   "flash": {
    "digits": 2,
    "terms": 15,
    "sec": 8.2,
    "pace": 550
   }
  },
  {
   "key": "初段",
   "band": "dan",
   "n": 1,
   "mitori": {
    "digits": 5,
    "terms": 15,
    "chars": 75,
    "minDigits": 4,
    "maxDigits": 6
   },
   "kake": {
    "variants": [
     {
      "a": 5,
      "b": 4
     },
     {
      "a": 4,
      "b": 5
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 8,
    "dv": 4,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 3,
    "terms": 12
   },
   "flash": {
    "digits": 3,
    "terms": 10,
    "sec": 8,
    "pace": 800
   }
  },
  {
   "key": "二段",
   "band": "dan",
   "n": 2,
   "mitori": {
    "digits": 5,
    "terms": 15,
    "chars": 80,
    "minDigits": 4,
    "maxDigits": 6
   },
   "kake": {
    "variants": [
     {
      "a": 5,
      "b": 4
     },
     {
      "a": 4,
      "b": 5
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 9,
    "dv": 4,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 3,
    "terms": 15
   },
   "flash": {
    "digits": 3,
    "terms": 10,
    "sec": 7,
    "pace": 700
   }
  },
  {
   "key": "三段",
   "band": "dan",
   "n": 3,
   "mitori": {
    "digits": 6,
    "terms": 15,
    "chars": 90,
    "minDigits": 5,
    "maxDigits": 7
   },
   "kake": {
    "variants": [
     {
      "a": 5,
      "b": 4
     },
     {
      "a": 4,
      "b": 5
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 9,
    "dv": 4,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 4,
    "terms": 12
   },
   "flash": {
    "digits": 3,
    "terms": 12,
    "sec": 7.8,
    "pace": 650
   }
  },
  {
   "key": "四段",
   "band": "dan",
   "n": 4,
   "mitori": {
    "digits": 6,
    "terms": 15,
    "chars": 90,
    "minDigits": 5,
    "maxDigits": 7
   },
   "kake": {
    "variants": [
     {
      "a": 6,
      "b": 4
     },
     {
      "a": 4,
      "b": 6
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 10,
    "dv": 4,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 4,
    "terms": 15
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 9,
    "pace": 600
   }
  },
  {
   "key": "五段",
   "band": "dan",
   "n": 5,
   "mitori": {
    "digits": 6,
    "terms": 15,
    "chars": 100,
    "minDigits": 6,
    "maxDigits": 8
   },
   "kake": {
    "variants": [
     {
      "a": 6,
      "b": 5
     },
     {
      "a": 5,
      "b": 6
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 10,
    "dv": 5,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 5,
    "terms": 12
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 8.2,
    "pace": 550
   }
  },
  {
   "key": "六段",
   "band": "dan",
   "n": 6,
   "mitori": {
    "digits": 7,
    "terms": 15,
    "chars": 100,
    "minDigits": 6,
    "maxDigits": 8
   },
   "kake": {
    "variants": [
     {
      "a": 6,
      "b": 5
     },
     {
      "a": 5,
      "b": 6
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 11,
    "dv": 5,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 5,
    "terms": 15
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 7.5,
    "pace": 500
   }
  },
  {
   "key": "七段",
   "band": "dan",
   "n": 7,
   "mitori": {
    "digits": 7,
    "terms": 15,
    "chars": 105,
    "minDigits": 6,
    "maxDigits": 8
   },
   "kake": {
    "variants": [
     {
      "a": 7,
      "b": 5
     },
     {
      "a": 5,
      "b": 7
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 11,
    "dv": 5,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 6,
    "terms": 13
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 6.8,
    "pace": 450
   }
  },
  {
   "key": "八段",
   "band": "dan",
   "n": 8,
   "mitori": {
    "digits": 7,
    "terms": 15,
    "chars": 105,
    "minDigits": 6,
    "maxDigits": 8
   },
   "kake": {
    "variants": [
     {
      "a": 7,
      "b": 5
     },
     {
      "a": 5,
      "b": 7
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 12,
    "dv": 5,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 6,
    "terms": 15
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 6,
    "pace": 400
   }
  },
  {
   "key": "九段",
   "band": "dan",
   "n": 9,
   "mitori": {
    "digits": 7,
    "terms": 15,
    "chars": 110,
    "minDigits": 6,
    "maxDigits": 8
   },
   "kake": {
    "variants": [
     {
      "a": 7,
      "b": 6
     },
     {
      "a": 6,
      "b": 7
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 12,
    "dv": 6,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 7,
    "terms": 13
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 5.2,
    "pace": 350
   }
  },
  {
   "key": "十段",
   "band": "dan",
   "n": 10,
   "mitori": {
    "digits": 8,
    "terms": 15,
    "chars": 120,
    "minDigits": 7,
    "maxDigits": 9
   },
   "kake": {
    "variants": [
     {
      "a": 8,
      "b": 6
     },
     {
      "a": 6,
      "b": 8
     }
    ],
    "dec": true
   },
   "wari": {
    "D": 13,
    "dv": 6,
    "qd": null,
    "dec": true
   },
   "anzan": {
    "digits": 7,
    "terms": 15
   },
   "flash": {
    "digits": 3,
    "terms": 15,
    "sec": 4.5,
    "pace": 300
   }
  }
 ]
}