Diplomat chess same happens when both kings are the only remaining pieces on the board. The board consists of three concentric circles with 14 cells each and a center cell. The pieces are identical to those in orthodox chess with the following exceptions: An extra piece called the "diplomat" is added. The horse is the same as the knight in orthodox chess. There is no queen. White: Black: White moves first. In general, the pieces move as in orthodox chess, with the center (cell 4) being considered orthogonal "and" diagonal to every adjacent cell. Pawns move one step orthogonally forward and capture
Hostage Chess Hostage Chess Hostage Chess is a chess variant invented by John Leslie in 1997. pieces are not eliminated from the game but can reenter active play through drops, similar to shogi. Unlike shogi, the piece a player may drop is one of his own pieces previously captured by the opponent. In exchange, the player returns a previously captured enemy piece which the opponent may drop on a future turn. This is the characteristic feature of the game. Hostage Chess has tactical subtlety and "tends to favour the attacker". In 1999, David Pritchard called the game "the variant of the decade".