Dataset Overview

Dataset Name

A Dataset of Sudoku Puzzles with Difficulty Metrics by Human Players

Dataset Purpose

To construct a dataset containing human‑experienced difficulty metrics for Sudoku puzzles, facilitating evaluation of Sudoku difficulty‑rating algorithms.

Dataset Characteristics

• Based on actual game records from human players.
• Includes two difficulty metrics:
  • $D_{TO}$: considers solving time only.
  • $D_{TR}$: considers both solving time and completion rate.

Data Collection Method

Data were collected via an Android application named Cloud Sudoku.

Related Publications

• Y.C. Lin, W.Y. Kuo, and S.W. Wang, “Cloud Sudoku: A Sudoku Application to Collect Game Records by Human Players,” in IEEE International Conference On Consumer Electronics – Taiwan (IEEE ICCE‑TW 2024), Taichung, Taiwan, July 9‑11, 2024.