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Seirawan Chess A game information page

. invented by GM Yasser Seirawan, a conservative drop chess (zrf available).[All Comments] [Add Comment or Rating]

H. G. Muller wrote on Thu, Nov 3, 2011 07:13 PM UTC:

> and an incidental programmer can never keep up since it takes him an
> hour minimum to alter/add the right code to fit

Not really. In Fairy-Max, for instance, the only thing you would have to do is permute the Queen, Hawk and Elephant definitions in the ini file:

// Seirawan Chess (with Archbishop and Chancellor gated in during game)
Game: seirawan
8x8
5 3 4 7 6 4 3 5
5 3 4 7 6 4 3 5
p:74 -16,24 -16,6 -15,5 -17,5 
p:74  16,24 16,6 15,5 17,5
n:259 14,7 31,7 33,7 18,7 -14,7 -31,7 -33,7 -18,7
b:296 15,3 17,3 -15,3 -17,3
R:444 1,3 16,3 -1,3 -16,3
Q:851 1,3 16,3 15,3 17,3 -1,3 -16,3 -15,3 -17,3
k:-1  1,34 -1,34 1,7 16,7 15,7 17,7 -1,7 -16,7 -15,7 -17,7
h:780 15,3 17,3 -15,3 -17,3 14,7 31,7 33,7 18,7 -14,7 -31,7 -33,7 -18,7
E:814 1,3 16,3 -1,3 -16,3 14,7 31,7 33,7 18,7 -14,7 -31,7 -33,7 -18,7

The last two pieces mentioned (those after King) are those that start off-board, and you could move the definition of any of the pieces there. Of course you would have to start from a set-up position to tell which array you wanted on the board. But it would not take more than a minute...