Attrition Chess . Played on an 11x10 board, each player starts with 33 pieces. By Nathan James. Entry in the 32-Turn Challenge . Augmented Chess .
Players give standard chess pieces small additional movement possibilities from predescribed set.
By Ralph Betza. Augmented Half chess . Pieces can go half as far, but then are augmented with additional movement possibilities. By Ralph Betza. Avalanche chess .