Master Your
Chess Tactics
EloRun is a 100k+ handpicked high quality chess puzzle to train your brain, with exciting ways to level up like elo rank, global leaderboard, achievements to unlock.
Solve to Rank Up
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White to move. Drag or tap a piece to play.
3-Strike System
Every move counts. You get three attempts to solve the puzzle. One mistake, one strike. Lose them all, and the run is over.
Elo & Leaderboard
Track your rating dynamically as you solve puzzles. Compete with players worldwide and climb the global Eloboard rankings.
Multi-Profile
Share your device with family or friends. Individual Elo tracking and streaks for every profile with secure PIN access.