Master your openings.
Free forever.

Build unlimited repertoires with 500,000+ move capacity. No subscriptions. No limits. Just chess.

No credit card. No trial period. Just free.

500K+
Moves capacity
∞
Repertoires
$0
Forever

Everything you need.

Built by chess players who got tired of paying for basics.

♔

Opening Trainer

Spaced repetition, random positions, systematic coverage. Train until your openings are second nature.

📂

PGN Import

Load any PGN file as a repertoire. Import full Chessable-length books. White or black.

📊

Progress Tracking

Detailed statistics on every variation. See your accuracy improve over time with charts.

Why ZenChess?

Other platforms

  • ❌ Limited variations
  • ❌ Minimal storage
  • ❌ Monthly subscriptions
  • ❌ Paywalled analysis

ZenChess

  • ✅ 500,000+ moves
  • ✅ Unlimited repertoires
  • ✅ Free forever
  • ✅ No subscriptions ever

Built different

No Venture Capital

No investors to appease. No rug pulls.

Your Data

Export your repertoires anytime. You own your chess knowledge.

Open Development

Built transparently by chess players, for chess players.