Fix truncated PVs.

No functional change.
joergoster · Oct 27, 2018 · b9c2496 · b9c2496
1 parent 7a61368
commit b9c2496
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/search.cpp b/src/search.cpp
@@ -1140,6 +1140,10 @@ namespace {
                   break;
               }
           }
+          // We have a better move though it doesn't raise alpha. At a pv node
+          // and without a best move we must store this move as pv move.
+          else if (PvNode && !rootNode && !bestMove)
+              update_pv(ss->pv, move, (ss+1)->pv);
       }
 
       if (move != bestMove)