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Chess variant where that player loses, who does not have at least one piece of each type. In other words, a player loses if any of the following happens with his/her pieces:

• the king is captured,
• the queen is captured,
• both rooks are captured,
• both bishops are captured,
• both knights are captured,
• all pawns are captured,
• or the last pawn is promoted (except when it, at the same time, captures the opponents last piece of a particular type).

Otherwise the rules of chess apply, with the following differences:

• There is no check or checkmate, the king is only subject to the rules described above.
• Pawns can also promote to king (and if there are multiple kings, one can be let captured without losing the game).

Note: if that rare condition occurs when the player on turn has pieces of each type but no legal moves, the game ends in a draw (stalemate).

Inventor

R. Wayne Schmittberger, 1985^[ChV.com]

Similar variants

• Coregal Chess
• Capture all!

External links

• Wikipedia: Extinction chess
• ChessVariants.com: Extinction Chess