Display fail high/fail low in search log file.

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 17a1aeab984884b261c08bd858556bcdb8884614..78b85485d1efcf24ac9b53e11eb383c797f8ed05 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -971,7 +971,10 @@ namespace {
                 std::cout << std::endl;
 
                 if (UseLogFile)
-                    LogFile << pretty_pv(pos, current_search_time(), Iteration, nodes_searched(), value, ss[0].pv)
+                    LogFile << pretty_pv(pos, current_search_time(), Iteration, nodes_searched(), value, 
+                                         ((value >= beta)? VALUE_TYPE_LOWER
+                                          : ((value <= alpha)? VALUE_TYPE_UPPER : VALUE_TYPE_EXACT)),
+                                         ss[0].pv)
                             << std::endl;
 
                 if (value > alpha)