Chess.PhD
Where Strategy Meets Intelligence
AI that transforms how you experience chess
Chess.PhD: Puzzles & Tactics
Master chess tactics the smart way. Train with 5M+ puzzles perfectly matched to your skill level.
Personalized training — Dynamic ELO rating adapts to your skill
5,000,000+ puzzles — From beginner to grandmaster, never run out
Learn from mistakes — AI shows you why wrong moves fail
Track your growth — Beautiful stats, streaks, and progress charts
64 tactical themes — Master every pattern from forks to sacrifices
100% free — No paywalls, no limits, no ads
Start improving today →
Personalized training — Dynamic ELO rating adapts to your skill
5,000,000+ puzzles — From beginner to grandmaster, never run out
Learn from mistakes — AI shows you why wrong moves fail
Track your growth — Beautiful stats, streaks, and progress charts
64 tactical themes — Master every pattern from forks to sacrifices
100% free — No paywalls, no limits, no ads
Start improving today →
