X-Git-Url: http://winboard.nl/cgi-bin?p=fairymax.git;a=blobdiff_plain;f=fairymax.c;h=769da7f25c4d1d7ee0af79240ec5c5adf6a83a94;hp=6f420ae8969c7fb5d4e1ec4d9a46219a082d72b7;hb=0a8207c5bba7eac72a459e18be5cbd8df35b1704;hpb=b170de109dfcfa9db25c93006f9e1ef417243aa9

diff --git a/fairymax.c b/fairymax.c
index 6f420ae..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;