/alternate_chess_games

Chess, but different!

Alternate Chess Games

Table of Contents

Tank Chess

  • Dec 5, 2020, E and T

  1. If any piece lands on the center square comprised of spaces 4d 4e 5d 5e, then the tank clears all pieces currently on rows 4 and 5, including the just-placed piece

  2. The tank does not affect regular turn-taking

Tower Chess

  • Dec 5, 2020, O and T

  1. A tower stands where it is built

  2. A tower cannot move

  3. A tower can be built by moving a piece into the space of a piece/tower of the same color:

Tower Type Straight Range Diagonal Range Can Attack Through (Jump) Own Pieces Once Attacked
rook-rook-queen infinite infinite no rook-queen-2
rook-rook-rook infinite 0 no rook-rook-2
rook-rook-bishop 4 4 no rook-rook-2 or rook-bishop-2
rook-rook-knight 4 0 yes rook-rook-2 or rook-knight-2
rook-rook-pawn 4 1 (forward only) no rook-rook-2 or rook-pawn
rook-queen-2 4 4 no rook-queen
rook-rook-2 4 0 no rook-rook
rook-bishop-2 2 2 no rook-bishop
rook-knight-2 3 0 yes rook-knight
rook-queen 2 2 no falls
rook-rook 2 0 no falls
rook-bishop 1 1 no falls
rook-knight 2 0 yes falls
rook-pawn 2 1 (forward only) no falls

  1. When a tower attacks a piece, the piece is removed from the board

  2. When a tower attacks a tower, the attacked tower drops a level

  3. When a piece attacks a tower:

    • the piece takes the place of the fallen tower
      OR
    • the tower drops a level
      • if non-knight, the piece lands in the space in front of the tower
      • else, the knight can choose to land in one of two spaces
        • if both spaces are occupied, the knight does not move

Poison Tower Chess

  • Dec 5, 2020, E and O

Same as Tower Chess but with the following changes:

  1. When the king is in one of the 8 squares around a tower (of his making) he can poison an empty square within range of the tower.

  2. Each tower can launch one poison bomb per game.

  3. The poison bomb stays in that particular square for the REST of the game.

  4. If any piece lands/walks on/over the poison square it is removed from the board.

Good and Evil Chess

  • Dec 12, 2020, E and T

  1. Each player may mark one unoccupied square as either good or evil

  2. It takes a turn to mark a square as good or evil

  3. Both good and evil squares last throughout the game

  4. Good squares

    • If any piece lands on a good square, that player restores one removed piece
      • The restored piece must be placed on one of its original unoccupied spaces (queen on queen space, knight on either knight space, etc.)
    • A king is in check behind/through a good square

  5. Evil squares

    • If any piece lands/walks on/over an evil square, that piece is removed from the board
    • A king is not in check behind/through an evil square

Tunnel Chess

  • Dec 20, 2020, E and O and T

  1. Two ends of the tunnel can be dug on the board, one by each player

  2. An end may be dug at any time during the game

  3. It takes a turn to dig an end of the tunnel

  4. When only a single end of the tunnel has been dug

    • If any piece lands/walks on/over the end, that piece is removed from the board

  5. Once both ends of the tunnel have been dug

    • If any piece lands/walks on/over either end, that piece is placed at the other end of the tunnel
    • If a piece can attack an end of the tunnel, a king on the other end is in check.
    • The tunnel is bidirectional, pieces can enter and exit either end
    • The tunnel is usable by both players

  6. The tunnel is blocked if the other end of the tunnel is occupied by a piece of the same color

    • If the tunnel is blocked, a king is in check behind/through the open end of the tunnel

King Archer Chess

  • Dec 20, 2020, E and O and T

  1. Each king carries a bow and can shoot arrows straight and diagonal

  2. A king is in check if he is within range of the other king's arrow

Game Element Default Alternate Values
Number of Arrows 3 1-infinite
Arrow Range 4 1-infinite
Over Other Pieces yes no
Arrow Protection/Shield pawns other pieces / none

King Pawn Chess

  • Dec 4, 2021, E and O and T
  1. Every pawn can move (and attack) like a king, in addition to its regular initial two-square advance
Game Element Default Alternate Values
Pawn Protection/Shield none other pieces

Spy Chess

  • Dec 4-5, 2021, E and O and T

  1. Copy the following tables onto two pieces of paper, one for each player

    • White (marking Black)

      a b c d e f g h
      8 rook knight bishop queen X bishop knight rook
      7 pawn-a pawn-b pawn-c pawn-d pawn-e pawn-f pawn-g pawn-h

    • Black (marking White)

      h g f e d c b a
      rook knight bishop X queen bishop knight rook 1
      pawn-h pawn-g pawn-f pawn-e pawn-d pawn-c pawn-b pawn-a 2

  2. Each player privately marks/circles one opposing non-king piece as their spy

  3. A spy can refuse to carry out any move

    • Upon doing so, the spy is immediately removed from the board
    • This ends the turn for the player who made the move

  4. Instead of a move, a player can interrogate one of their pieces, suspected to be a spy

    • The other player reveals only the space on their paper representing the interrogated piece
      • If the interrogated piece is a spy, it remains on the board, but is no longer a spy
      • If the interrogated piece is not a spy, it is immediately removed from the board
Game Element Default Alternate Values
Number of Interrogations 1 2-15