Opening explorer

Click a move. See what it scores at your band.

Lemming Defense B00

A named line we have not measured. The statistics cover the 314 openings people actually play.

White to play0 moves in the catalogue

This is the end of the book as far as our catalogue goes. From here you are on your own, which at your rating is usually sooner than the theory suggests.

Moves come from the 3,810 lines we replayed and validated. Win rates exist for the 314 we sync statistics for, so the deeper you go the more often you will see a name without a number.