Rewrite syzygy in C++

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 19749b6413163e4e1966d513c0043db4d2090f50..9c3e17b6606bf257f3fa0b6de275bcfd3497599a 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -664,9 +664,10 @@ namespace {
             &&  pos.rule50_count() == 0
             && !pos.can_castle(ANY_CASTLING))
         {
-            int found, v = Tablebases::probe_wdl(pos, &found);
+            TB::ProbeState err;
+            TB::WDLScore v = Tablebases::probe_wdl(pos, &err);
 
-            if (found)
+            if (err != TB::ProbeState::FAIL)
             {
                 thisThread->tbHits++;