The opening trainer that actually makes you better. Drill every variation, crush Chaos Mode, and track every mistake — completely free, forever.
Not just memorization — each mode builds a different chess muscle. From drilling moves to pure instinct training.
Browse the opening library and pick what you want to learn — Scotch, Sicilian, Caro-Kann, French, Nimzo-Indian, and more added regularly.
The trainer plays the opponent's moves. You play yours. Wrong move? Restart. Correct? The explanation appears. Repeat until it's in your bones.
Once you've drilled the lines, Chaos Mode fires random positions at you. Score points for correct moves, lose lives for wrong ones. Pure opening instinct.
Your Chess Report shows every mistake you've ever made — which lines trip you up, which openings need work, and your accuracy over time. No login required.
Each opening features multiple lines, verified against chess databases. New packs added regularly.
Chess is not about memorizing moves. It's about understanding ideas. Every opening has a plan. Learn the plan and the moves follow naturally.
— The ChessVault training philosophy
No signup. No download. Open the trainer and play your first move in 10 seconds.
♟ Open the Trainer