ToolAssay

Squares a knight, bishop, rook, queen, king or pawn reaches from a square on an

Squares a knight, bishop, rook, queen, king or pawn reaches from a square on an empty board, with the count.

Answeringour last check, 2026-10-21
1 of 1checks answered this week
306 msmedian answer time
$0.02listed price per call
$0.02price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://chess-notation.x402tookit.com/piece-moves

CategoryEverything else
Provider hostchess-notation.x402tookit.com
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-21 valid payment request 402$0.02 306 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "piece": "knight",
    "square": "d4"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "color": {
              "description": "white (default) or black, used for pawns only",
              "type": "string"
            },
            "piece": {
              "description": "knight, bishop, rook, queen, king or pawn (or n, b, r, q, k, p)",
              "type": "string"
            },
            "square": {
              "description": "Starting square such as d4",
              "type": "string"
            }
          },
          "required": [
            "piece",
            "square"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "asOf": {
              "type": [
                "null",
                "string"
              ]
            },
            "count": {
              "type": [
                "null",
                "number"
              ]
            },
            "degraded": {
              "type": [
                "boolean",
                "null"
              ]
            },
            "disclaimer": {
              "type": [
                "null",
                "string"
              ]
            },
            "from": {
              "type": [
                "null",
                "string"
              ]
            },
            "notChecked": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "reasons": {
              "type": [
                "array",
                "null"
              ]
            },
            "source": {
              "type": [
                "null",
                "string"
              ]
            },
            "squares": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "summary": {
              "type": [
                "null",
                "string"
              ]
            },
            "verdict": {
              "type": [
                "null",
                "string"
              ]
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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