Forbid promotion to pieces with value ending in 3

[fairymax.git] / data / fmax.ini

diff --git a/data/fmax.ini b/data/fmax.ini
index ca697be..a68c328 100644 (file)
--- a/data/fmax.ini
+++ b/data/fmax.ini
@@ -200,6 +200,13 @@ value assumed for them will be the absolute value of what you defined.
 With a value -1, however, loss of the first piece of that type loses the game.\r
 For royal piece types larger than 7 there is the special rule that it is not\r
 allowed to leave more than one of them under attack ('duple check').\r
+A royal value of -2 is currently used as a kludge to enable an alternative\r
+winning condition, namely when the royal piece reaches (and survives in)\r
+one of the four central squares.\r
+\r
+NOTE: Any piece value that (in decimal notation) ends in '3' will not be \r
+accepted as promotion choice. (And neither will be absolute royalty,\r
+i.e. piece value -1).\r
 \r
 The individual bits in the move-mode descriptor have the following meaning:\r
 In the last hexadecimal digit:\r