Stockfish in the room
Four opponent strengths. A coach that only talks to you. A bookmark that floats on chess.com — no plugin.
C60 · 01 / 05
1.e4 e5 2.Nf3 Nc6 3.Bb5
Pin the knight. The oldest fight for the center.
Scroll — five openings
Live Coach
Other sites
Drag the chip to your bookmarks bar. On chess.com or Lichess, click it. A panel sits on top of the page — drag it anywhere. Full-strength Stockfish, and it only coaches you.
On other sites the engine is always maxed. Here, Club → Engine is how hard it plays against you (Club / Expert / Master / Engine).