Reti: Chess Puzzle Trainer is a board game by Reti Chess Puzzles with 5+ downloads (about 6 estimated). Released Nov 1, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Reti is the tactical training app for chess players who want to improve for real. Every session brings puzzles calibrated to your level, delivered at exactly the right moment — no mechanical repetition, no artificial difficulty. ♟ TRAIN LIKE A MASTER • Adaptive puzzles: the FSRS system learns from you and presents…”