Chessmate — Chess Opening Trainer

Stop guessing in the opening.

Chessmate helps beginner and intermediate players learn chess openings one move at a time. Expect practical lines, common mistakes, and clear explanations of why each move works, starting with the Queen’s Gambit.

Build a repertoire you can remember, reach better positions, and gain a few hundred rating points through smarter opening preparation. New lessons and opening guides coming soon.