X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=83034f4de42b57cdf7331f76ee399aa8cf664d20;hb=fd4699c26227714b63219850485e381be150f3dd;hp=4f6262ad3ff5091ae4beb2fd828dc566c9bc0eb6;hpb=57ee5429b201802b3890c3c775968f41af8353aa;p=xboard.git

diff --git a/backend.c b/backend.c
index 4f6262a..83034f4 100644
--- a/backend.c
+++ b/backend.c
@@ -9146,10 +9146,10 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h
     }
     if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
       ChessSquare piece = WhitePawn;
-      char *p=message+6, *q, *s = SUFFIXES, ID = *p;
-      if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
+      char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
+      if(*p == '+') promoted++, ID = *++p;
       if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
-      piece += CharToPiece(ID & 255) - WhitePawn;
+      piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
       if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
       /* always accept definition of  */       && piece != WhiteFalcon && piece != BlackFalcon
       /* wild-card pieces.            */       && piece != WhiteCobra  && piece != BlackCobra