X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=c15cd7537e6a8589160842f596a735b1f377317a;hb=61381372ec896ae6b0f139555e6e3f816d8aa570;hp=c676bd6d62ca05d46f5851ca5211f661f6a50f7b;hpb=a0afe32d16554ff3b5c74f34ae56400f35759edf;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index c676bd6d..c15cd753 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1861,12 +1861,15 @@ string UCI::pv(const Position& pos, Depth depth, Value alpha, Value beta) {
   {
       bool updated = rootMoves[i].score != -VALUE_INFINITE;
 
-      if (depth == 1 && !updated)
+      if (depth == 1 && !updated && i > 0)
           continue;
 
-      Depth d = updated ? depth : depth - 1;
+      Depth d = updated ? depth : std::max(1, depth - 1);
       Value v = updated ? rootMoves[i].score : rootMoves[i].previousScore;
 
+      if (v == -VALUE_INFINITE)
+          v = VALUE_ZERO;
+
       bool tb = TB::RootInTB && abs(v) < VALUE_MATE_IN_MAX_PLY;
       v = tb ? rootMoves[i].tbScore : v;