Are there apps more difficult than others?

This page summarizes the projects mentioned and recommended in the original post on /r/sudoku
sudoku-explainer sukaku-explainer pencilmark-sudoku GUI sudoku-puzzles

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  • SukakuExplainer

    Modification to Sudoku Explainer (SE) by Nicolas Juillerat to accommodate Sukaku (Pencilmark) Sudoku puzzles

    • There are extreme differences between different apps. To compare difficulty, I will use the (well established) SE rating system as described here. It rates the hardest single step a sophisticated computer needed in order to solve a puzzle on a scale from 1.0 (easiest, only one empty cell left in a row/column/box) to 12.7 (basically impossible for humans, crazy chains within chains). The “Hard” puzzle of the New York Times is typically rated between 3.0 and 3.4.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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