Notes about queens puzzles, logic, strategy design, and what we are building.
- How Chess.com Puzzle Rating Works: A Beginner's Guide
Confused why your Chess.com puzzle rating jumps around? Learn how it's calculated, why Puzzle Rush is separate, and what counts as a good…
- Does Dual N-Back Training Really Work? The Evidence
Does dual n-back training boost working memory or IQ? Here's what randomized controlled trials actually show, and what to realistically…
- How to Solve LinkedIn Tango: Step-by-Step Guide
Learn Tango's rules and solve your first puzzle with pure logic. This guide covers sun/moon constraints, equals and cross clues, and a full…
- How to Solve Nonogram Puzzles: A Beginner's Guide
Learn how to solve nonogram puzzles step by step. This beginner's guide covers picross rules, the overlap technique, edge-anchoring, and a…
- Is the Queens Puzzle Accessible for Colorblind Players?
Is the Queens puzzle accessible for colorblind players? Learn how color vision deficiency affects region-based puzzles and what…
- Constraint Propagation and Arc Consistency in N-Queens
Learn how constraint propagation and arc consistency prune impossible moves in N-Queens and Sudoku, cutting wasted backtracking before…