p.boxed. Each capture results in an "explosion" through which all surrounding pieces other than pawns are removed from the board. p. When a piece P captures an opponent figure on some square S, all pieces sitting on a square reachable by a king move from S are removed, including P itself. The pawns, however, remain: they have to be taken directly to disappear. p. Suicide is forbidden. Thus a king can touch the opponent king and become immune to checks, like on the following diagrams: 1.Rxf5 is impossible. figure.diagram-container .diagram.diag12 | fen:rnb5/pp4pp/2p5/N4pK1/3P2k1/8/PP4PP/5R2 a5,b7: .diagram.diag22 | fen:8/p5pp/2p5/5pK1/3P2k1/8/PP4PP/5R2: figcaption Left: before 1.Nxb7. Right: after capture. h3 End of the game p There are two ways to win, by decreasing strength order: ol li Explode opponent king li Checkmate opponent king p Explosions have priority: a checkmate followed by a king explosion loses. figure.diagram-container .diagram | fen:r3kbnr/pp3ppp/3p4/4p3/8/8/PPPPPPPP/R1BQKBNR: figcaption. After the moves 1.Nc3 d6?? 2.Nd5 e5 (forced to avoid king explosion) 3.Nxc7 h3 More information p. Many resources can be found on the web (this variation is played on lichess and FICS, among others). This game was played first in 1995 at the German Internet Chess Server (GICS) according to Wikipedia.