Serious chess · private circle
A private chess club for committed players
Deep analysis, opening prep files, tournament preparation, and a community that helps you grow — without the noise.
Community
Recent analysis
Mamba training
Upload any PGN — games, openings, studies — and turn it into an engine-aware active recall session. Fast Test, Timed Challenge, Adaptive Mastery, and more. Powered by the Lichess Cloud Eval engine.
Deep game analysis
Share tournament games with annotations and get serious feedback on plans, ideas, and critical moments.
Position discussions
Post critical positions from real games and discuss evaluations, plans, and candidate moves.
Endgame lab
Unusual endgames: fortresses, drawing techniques, winning plans. Discuss with strong players.
Go to Endgame lab →Tournament preparation
Prepare for events with opening ideas, structure advice, and opponent preparation.
Go to Prep →Opening file marketplace
Buy, sell, and share opening preparation files with the community.
Browse marketplace →Prep Help
Request Prep Help before your next event — message players who are open to assisting.
Open Prep Help →