Your next move is part of the score.
Play against the bot or explore a recorded match. Follow the board while the music responds to the game.
Open ChessJammer →A chessboard you can hear. Play a match or follow a recorded game as its moves become a changing musical performance.
Playable in your browser. No account required. Sound starts when you choose Listen or Play.
In active development
Play against the bot or explore a recorded match. Follow the board while the music responds to the game.
Open ChessJammer →Explore techno and trigger the deck and voice pads. Chess provides the unfolding material; you join the performance. Party rooms and generated speech are reserved for a future paid version; prerecorded voice pads are available in this demo.
Learn the controls →Sonata combines sampled grand piano, two-handed writing and orchestral responses. Recurring piece identities give the arrangement continuity.
Meet the Sonata engine →Classical replay, a dark-techno performance, and a fast game against the bot. These are recordings of ChessJammer in action.
Recordings of named players do not imply endorsement. Videos are hosted on YouTube.
Pieces carry recurring musical identities. Captures, threats and sustained king danger shape the arrangement, while piano and orchestral parts make space for one another.
Read the technical overview →We are studying how initiative, defensive obligations and changes in piece relationships can guide musical development.
Research findings and tuning experiments are distinct from features available in the current public demo.
ChessJammer is a playable chess-and-music game developed by TriunaLabs. It is in active development; visuals, features and arrangements may change.
No embargo. Press may discuss ChessJammer publicly and publish screenshots or recordings of their own gameplay, including music generated by the game. These permissions cover original ChessJammer content, not third-party recordings, commentary or likenesses in demonstration material. Featuring a recorded chess game does not imply endorsement by its players.
IGF jurors: use the designated build link in your submission portal. This public site is maintained separately.