PostMortem ChessFind the mistakes you keep repeating.
Chess.com and Lichess can tell you a move was bad. PostMortem Chess studies dozens of your real games, finds the mistakes you make again and again, and explains why they keep happening. Then it turns those exact positions into a personalized training plan built for you, free. They give you a score. This gives you a reason.
No account needed for either. Just pick one and go.
Every move, actually explained.
Connect Lichess or Chess.com and pick any game. We check every move with Stockfish, the same engine serious players trust, so you get real analysis of your blunders, brilliancies, and everything between. No paywall. No move limit.
See the pattern, not just the mistake.
One blunder is a moment. Six of the same blunder is who you are as a player right now. We scan across your games to find the habits that are actually costing you rating, then explain them in plain language, not engine notation.
Train the exact position that beat you.
Every recurring mistake becomes a practice position. Not a generic puzzle: the actual moment from your own game. Solve it, then play it out against the engine to prove you've got it.
vs. tal_wannabe_88 · Move 24: find the move that saves the piece.
Watch the mistakes disappear.
Track accuracy over time, see which openings are actually winning you games, and confirm the patterns you fixed stay fixed.
See exactly why you keep losing.
Analyze one of your games free. No account required. When you're ready for patterns, coaching, and progress tracking across every game, create a free account and pick up right where you left off.