| 1 | p.boxed. |
| 2 | Kings are subject to check and checkmate by own as well as opponent's pieces. |
| 3 | |
| 4 | p. |
| 5 | Kings are attacked by all pieces, and can capture any piece. |
| 6 | For example, on the following diagram the king can escape check by |
| 7 | capturing a rook. |
| 8 | |
| 9 | figure.diagram-container |
| 10 | .diagram |
| 11 | | fen:8/8/8/8/8/4q4/8/3RKR2: |
| 12 | figcaption Not a checkmate: Kxf1 or Kxd1. |
| 13 | |
| 14 | p. |
| 15 | Here however, each capture of the queen would lead to a self-check: although |
| 16 | the queen appears vulnerable this is a checkmate. |
| 17 | |
| 18 | figure.diagram-container |
| 19 | .diagram |
| 20 | | fen:1r1nkbr1/1p2Qnp1/p2p1p1p/2p4P/P1P1P3/1P6/R2P1KP1/2B2BNR: |
| 21 | figcaption Checkmate. |
| 22 | |
| 23 | h3 Source |
| 24 | |
| 25 | p |
| 26 | a(href="https://www.jsbeasley.co.uk/encyc.htm") |
| 27 | | The Classified Encyclopedia of Chess Variants. |
| 28 | | by David B. Pritchard (2007). |
| 29 | |
| 30 | p Inventors: Gabriel Authier and Roméo Bédoni (1958) |