KayChess is a focused chess training platform with drills, and tools designed to build real improvement. Import easily and drill your opening repertoir.

Configure sessions by rating range, themes, time controls, and goals. Train your visualiastion with puzzles where you should visualise a number of moves before solving. Save presets for your favorite training setups. Warm up with easier puzzles before the real work begins. Create fixed sets ot puzzles to practice over and over again similar to the "Woodpecker" method.

A unique drill: given a position, find all checks, captures, and threats. Builds the habit of scanning for forcing moves before calculating — the single most impactful tactical skill building board vision.

You see a position and a candidate move. Is it a blunder or the best move? Train your defensive awareness and learn to spot what your opponent is hoping you'll miss.

Build and train your opening repertoire. Import PGN, organize by chapter, annotate, and drill lines until they're second nature using modern UI and science proven spaced repetition.

Review every session and every puzzle. See your rating progression, accuracy trends, and which themes give you trouble. Revisit past mistakes and turn them into strengths. Improvement graphs, replay wrong puzzles mode and more.