BoardSense

Your opening repertoire, scored by your actual results — see which openings are working and where you keep going wrong.

Chess.com username

Your openings

Based on your recent games, grouped by opening. Click one to see where your mistakes are concentrated (analyzes your 5 most recent games in that opening).

Opening

How deep should this analysis go?

Analyzing…

Flagged moves

Opening is determined by matching your game's moves against a public opening book — games that leave known theory very early may show as "Unclassified."