Trainer · Sparring
Sparring
Play a real game from a random opening — you don't know which line you're facing. React to it, and the coach tells you where you are, whether you're still in book, and when the middlegame begins.
Opening
Pick a line to drill in a real game, or leave it random to practise reacting to anything.
You play
The bot will answer 1.e4/1.d4/… with a different defence each game.
Opponent
…or pick a fixed rating:
Mode