2 Kings are subject to check and checkmate by own as well as opponent's pieces.
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
9 figure.diagram-container
11 | fen:8/8/8/8/8/4q4/8/3RKR2:
12 figcaption Not a checkmate: Kxf1 or Kxd1.
15 Here however, each capture of the queen would lead to a self-check: although
16 the queen appears vulnerable this is a checkmate.
18 figure.diagram-container
20 | fen:1r1nkbr1/1p2Qnp1/p2p1p1p/2p4P/P1P1P3/1P6/R2P1KP1/2B2BNR:
26 a(href="https://www.jsbeasley.co.uk/encyc.htm")
27 | The Classified Encyclopedia of Chess Variants.
28 | by David B. Pritchard (2007).
30 p Inventors: Gabriel Authier and Roméo Bédoni (1958)