| Category: | Musical composition |
| Dated: | 1943 |
| Instrumentation: | Piano |
| Duration: | |
| Premiere and performer(s): | |
| Dedicated to: | |
| Choreography: | |
| Published: | --- |
| Manuscript: | Draft and sketches (holograph, signed in ink. May be incomplete - 13 p.) in New York Public Library |
| This is a composition, written on an 8 by 8 black and white piece of cardboard, resembling a chess-board. Cage made it for a show of works related to Marcel Duchamp's interest in chess, at the Julien Levy Gallery in New York City. |