Rules of Renniassance Chess

Renniassance Chess was invented by Eric V. Greenwood. It is played on a 10x12 board, with many new and powerful pieces. The initial setup is shown below.

      a   b   c   d   e   f   g   h   i   j   k   l
    +---+---+---+---+---+---+---+---+---+---+---+---+   
 10 |*G*|:::|*Q*|:::|*V*|*E*|*S*|*D*|   |*I*|   |*G*| 10
    +---+---+---+---+---+---+---+---+---+---+---+---+    
  9 |*R*|*H*|*C*|*B*|*N*|*K*|*U*|*A*|*B*|*C*|*H*|*R*|  9
    +---+---+---+---+---+---+---+---+---+---+---+---+
  8 |*P*|*P*|*P*|*P*|*P*|*P*|*P*|*P*|*P*|*P*|*P*|*P*|  8
    +---+---+---+---+---+---+---+---+---+---+---+---+
  7 |:::|   |:::|   |:::|*F*|*F*|   |:::|   |:::|   |  7
    +---+---+---+---+---+---+---+---+---+---+---+---+
  6 |   |:::|   |:::|   |:::|   |:::|   |:::|   |:::|  6
    +---+---+---+---+---+---+---+---+---+---+---+---+
  5 |:::|   |:::|   |:::|   |:::|   |:::|   |:::|   |  5
    +---+---+---+---+---+---+---+---+---+---+---+---+
  4 |   |:::|   |:::|   |:F:| F |:::|   |:::|   |:::|  4
    +---+---+---+---+---+---+---+---+---+---+---+---+
  3 |:P:| P |:P:| P |:P:| P |:P:| P |:P:| P |:P:| P |  3
    +---+---+---+---+---+---+---+---+---+---+---+---+
  2 | R |:H:| C |:B:| A |:U:| K |:N:| B |:C:| H |:R:|  2
    +---+---+---+---+---+---+---+---+---+---+---+---+    
  1 |:G:|   |:I:|   |:D:| S |:E:| V |:::| Q |:::| G |  1
    +---+---+---+---+---+---+---+---+---+---+---+---+    
      a   b   c   d   e   f   g   h   i   j   k   l

The movements of the pieces are described below:

    x x x
    x K x     King          One square in any direction.
    x x x                   Win by checkmating the opponent's King.

    \ | /
   -- Q --    Queen         Any number of squares in any direction.
    / | \ 

      |
   -- R --    Rook          Any number of squares horizontally or vertically.
      |

    \   /
      B       Bishop        Any number of squares diagonally.
    /   \

    x   x
  x       x
      H       Horse         As a Chess Knight.
  x       x
    x   x

    c m c                   As a Chess pawn, including longmoves, 
      P       Pawn          enpassant and promotion.  May also promote 
                            to a Fox on the second to last rank. 

      x
    x F x     Fox           One square horizontally or vertically.
      x                     Promotes to Guard on the last rank. 

    x x x
    x U x     GUard         One square in any direction.
    x x x

    x   x
  x x x x x
    x E x     PagE          As a Horse or Guard.
  x x x x x
    x   x 

  x   x   x
    x x x
  x x S x x   Squire        Jumps one or two squares in any direction.
    x x x
  x   x   x

  x x x x x
  x       x
  x   C   x   Castle       Jumps as a Horse or jumps to the second 
  x       x                square in any direction.
  x x x x x

    x   x
      .
x     .     x
  . . G . .   General      Jumps two squares straight and one diagonally,
x     .     x              like an elongated Knight move.
      .
    x   x

    x   x
  x \   / x
      A       Archbishop   As a Bishop or a Horse.
  x /   \ x
    x   x 

    x   x
  x   |   x
   -- N --    Nobleman     As a Rook or a Horse.
  x   |   x
    x   x

    x   x
  x \ | / x
   -- I --    PrInce       As a Queen or a Horse.
  x / | \ x
    x   x

    \   /
  \   .   /                Moves either one square straight and any number
    . D .     Duke         diagonal, or any number diagonal and one square
  /   .   \                straight.  May not move to an adjacent square.
    /   \                  

    |   |
 -- .   . --               Moves either one square diagonal and any number
      V       CaValier     straight, or any number straight and one square
 -- .   . --               diagonal.  May not move to an adjacent square.
    |   |

Miscellaneous Notes:

• Beware the 3 move fools-mate with the General: Gk4 ... Gh5 ... Ge6#
• Remember that the Pawn and Fox have unusual promoting abilities.
• The Squire and Page are effective in tight spaces and good for defence.
• The Castle and General can do some nasty forks.
• The Archbishop and Nobleman should be familiar from GrandChess and Capablanca where they have different names.
• The Prince is probably the most power piece on the board.
• The Duke and Cavalier may take a little getting used to, but can be quite powerful. They are very effective against the Prince, since they can attack it from squares which the Prince cannot reach.

Links:
Renniassance Chess from the Chess Variants Pages