X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=69ab9774502b8a46f5734d7b9a311dc48c295b7f;hp=c6ee8c86b9c425ff7e55b618ce77070f9b618914;hb=de1dc4f2de7d22c9ea1b33b9caee276651ef7c6d;hpb=d4a02b135deade2f3273716ccedb6f8a97316263

diff --git a/src/search.cpp b/src/search.cpp
index c6ee8c86..69ab9774 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -416,8 +416,12 @@ namespace {
 
         if (Options["Use Search Log"])
         {
+            RootMove& rm = RootMoves[0];
+            if (skill.best != MOVE_NONE)
+                rm = *std::find(RootMoves.begin(), RootMoves.end(), skill.best);
+
             Log log(Options["Search Log Filename"]);
-            log << pretty_pv(pos, depth, bestValue, Time::now() - SearchTime, &RootMoves[0].pv[0])
+            log << pretty_pv(pos, depth, rm.score, Time::now() - SearchTime, rm.pv.data())
                 << std::endl;
         }
 
@@ -451,11 +455,11 @@ namespace {
                     || Time::now() - SearchTime > (TimeMgr.available_time() * 20) / 100))
             {
                 Value rBeta = bestValue - 2 * PawnValueMg;
-                (ss+1)->excludedMove = RootMoves[0].pv[0];
-                (ss+1)->skipNullMove = true;
-                Value v = search<NonPV>(pos, ss+1, rBeta - 1, rBeta, (depth - 3) * ONE_PLY);
-                (ss+1)->skipNullMove = false;
-                (ss+1)->excludedMove = MOVE_NONE;
+                ss->excludedMove = RootMoves[0].pv[0];
+                ss->skipNullMove = true;
+                Value v = search<NonPV>(pos, ss, rBeta - 1, rBeta, (depth - 3) * ONE_PLY);
+                ss->skipNullMove = false;
+                ss->excludedMove = MOVE_NONE;
 
                 if (v < rBeta)
                     stop = true;
@@ -712,7 +716,7 @@ namespace {
                 && (ss-1)->reduction
                 && threatMove != MOVE_NONE
                 && allows(pos, (ss-1)->currentMove, threatMove))
-                return beta - 1;
+                return alpha;
         }
     }
 
@@ -1463,15 +1467,15 @@ split_point_start: // At split points actual search starts from here
     {
         // Update occupancy as if the piece and the threat are moving
         Bitboard occ = pos.pieces() ^ m1from ^ m1to ^ m2from;
-        Piece piece = pos.piece_on(m1from);
+        Piece pc = pos.piece_on(m1from);
 
         // The moved piece attacks the square 'tto' ?
-        if (pos.attacks_from(piece, m1to, occ) & m2to)
+        if (pos.attacks_from(pc, m1to, occ) & m2to)
             return true;
 
         // Scan for possible X-ray attackers behind the moved piece
-        Bitboard xray =  (attacks_bb<  ROOK>(m2to, occ) & pos.pieces(color_of(piece), QUEEN, ROOK))
-                       | (attacks_bb<BISHOP>(m2to, occ) & pos.pieces(color_of(piece), QUEEN, BISHOP));
+        Bitboard xray =  (attacks_bb<  ROOK>(m2to, occ) & pos.pieces(color_of(pc), QUEEN, ROOK))
+                       | (attacks_bb<BISHOP>(m2to, occ) & pos.pieces(color_of(pc), QUEEN, BISHOP));
 
         // Verify attackers are triggered by our move and not already existing
         if (xray && (xray ^ (xray & pos.attacks_from<QUEEN>(m2to))))
@@ -1535,7 +1539,7 @@ split_point_start: // At split points actual search starts from here
   string uci_pv(const Position& pos, int depth, Value alpha, Value beta) {
 
     std::stringstream s;
-    Time::point elaspsed = Time::now() - SearchTime + 1;
+    Time::point elapsed = Time::now() - SearchTime + 1;
     size_t uciPVSize = std::min((size_t)Options["MultiPV"], RootMoves.size());
     int selDepth = 0;
 
@@ -1560,8 +1564,8 @@ split_point_start: // At split points actual search starts from here
           << " seldepth "  << selDepth
           << " score "     << (i == PVIdx ? score_to_uci(v, alpha, beta) : score_to_uci(v))
           << " nodes "     << pos.nodes_searched()
-          << " nps "       << pos.nodes_searched() * 1000 / elaspsed
-          << " time "      << elaspsed
+          << " nps "       << pos.nodes_searched() * 1000 / elapsed
+          << " time "      << elapsed
           << " multipv "   << i + 1
           << " pv";