This tool analyzes your game for mistakes and shows the best alternative lines with evaluations—for free.

On Chess.com, full game review and multiple analyses are a paid feature. Here you get mistake detection and best-line comparison at no cost. Paste any PGN and go.

1. Paste your PGN

2. Summary

No analysis yet.

3. Mistakes

Click a mistake below to see the full analysis: best move, continuation, and evaluation graph.

App version: 4