ChordRush

Free piano chord trainer using MIDI keyboards in Chrome/Edge for speed-drill time trials and leaderboards.

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A free web app that runs in desktop Chrome or Edge and connects to a MIDI keyboard to train piano chord recognition and fingering. It provides practice and speed-drill time trials with leaderboards, supports major and minor triads plus common 7th chords in any root and inversion, and displays progress, timing, and simple race controls for short challenges.

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