of the two forward orthogonal cells (11 or 1 o'clock). As a consequence, it may run out of room to move, and will thus be required to promote so that it can move further, although it is always advantageous to promote a pawn. As a pawn can get stuck between the two promotion zones, it is unclear whether it's forced to promote, or simply stuck there until captured, since the former is true in shogi, and the latter is true in some of its variants. A promoted pawn (+p; "dollar") moves like a gold general. Capture Capturing is done by displacement as in standard shogi. The one exception is the power of "illumination" of the promoted king. A piece may be captured regardless of any alliance the mover may have with its owner. A castling king may capture as any other moving piece does. Drops Captured pieces are truly captured in sannin shogi. They are retained "in hand", and can be brought back into play under the capturing player's control. On any turn, instead of moving a piece across the board, a player can take a piece he has previously captured and place it on any empty cell, facing away from himself. The piece is now part of the forces controlled by that player. This is termed dropping the piece, or just a drop. However, unlike in standard shogi, there being no proper files on a hexagonal board, there is no limit on the number of pawns per file. The restriction against dropping on the far rank (row a in the case of Middle) applies only to pawns and lances, as all other pieces can move from that position. Castling On its first move only, a king may jump to any vacant or enemy-occupied cell within its territory. There are two limitations to castling: The king must not be, or ever have been, in check. Once an alliance is formed, kings may no longer castle. Promotion Promotion rules are similar to standard shogi, except for the larger number of promotion zones and the restriction against allied players promoting. There are three promotion zones: Both of the opposing player's territories, plus the Pleasure Garden (the central cell of the board). In the case of the latter, only moves into or out of the Pleasure Garden are promotable moves: Passing through the cell does not count. Unlike standard shogi, the sannin shogi