X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=fairymax.c;h=769da7f25c4d1d7ee0af79240ec5c5adf6a83a94;hb=0a8207c5bba7eac72a459e18be5cbd8df35b1704;hp=15a5ce542683134c30c6d6acc40f3c8fe21f0013;hpb=804ec8ebc971e4e92c96e7209df3f0743a36a70b;p=fairymax.git

diff --git a/fairymax.c b/fairymax.c
index 15a5ce5..769da7f 100644
--- a/fairymax.c
+++ b/fairymax.c
@@ -218,7 +218,7 @@ int k,q,l,e,E,z,n;      /* (q,l)=window, e=current eval. score, E=e.p. sqr.*/
         v+=e+i;V=m>q?m:q;                      /*** new eval & alpha    ****/
         if(z&S)V=m-margin>q?m-margin:q;        /* multiPV                  */
         C=d-1-(d>5&p>2&!t&!h);                 /* nw depth, reduce non-cpt.*/
-        C=R<EG|P-I|d<3||t&&p-3?C:d;            /* extend 1 ply if in-check */
+        C=R<EG|P-I|d<3||t&&w[p]>0?C:d;         /* extend 1 ply if in-check */
         do
          s=C>2|v>V?-D(16-k,-l,-V,-v,/*** futility, recursive eval. of reply */
                                      F,y&255,C):v;
@@ -231,8 +231,9 @@ int k,q,l,e,E,z,n;      /* (q,l)=window, e=current eval. score, E=e.p. sqr.*/
         if(z&S&&K-I)                           /* move pending: check legal*/
         {if(v+I&&x==K&y==L&gt==GT)             /*   if move found          */
          {Q=-e-i;O=F;LL=L;prom=gt;
-          if(b[y]-u&15)prom=b[y]-=PromPiece,   /* under-promotion, correct */
-                       Z+=PromPiece;           /*  piece & invalidate hash */
+          if(b[y]-u&15)prom=b[y]-=PromPiece,   /* (under-)promotion:       */
+           Q-=abs(w[prom&=15])-w[p]-6*S,       /*  correct piece & score & */
+                       Z+=PromPiece;           /*  invalidate hash         */
           a->D=99;a->V=0;                      /* lock game in hash as draw*/
           R-=i/FAC;                            /*** total captd material ***/
           Fifty = t|p<3?0:Fifty+1;
@@ -582,7 +583,7 @@ int main(int argc, char **argv)
                             printf("move ");
                             printf("%c%c%c%c",'a'+(K&15),'0'+BH-(K>>4),
                                           'a'+(L&15),'0'+BH-(L>>4));
-			    if(prom)printf("%c",piecename[prom&15]+'a'-1);
+			    if(prom)printf("%c",piecename[prom]+'a'-1);
                             printf("\n");
 
                             /* time-control accounting */