X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=a7dbd90d522608b992679ec283d64c80bc197f40;hb=471f7a1b5c4da03a712da2ce079034de45b4c35b;hp=fd38671e3b0c53d8f653b446e3c1cf1c8f7158aa;hpb=34e47ca87d82a420043f2bc9a1960eb1fad5c4f4;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index fd38671e..a7dbd90d 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -2,7 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -875,7 +875,8 @@ moves_loop: // When in check search starts from here
       moveCountPruning =   depth < 16 * ONE_PLY
                         && moveCount >= FutilityMoveCounts[improving][depth / ONE_PLY];
 
-      // Step 12. Extend checks
+      // Step 12. Extensions
+      // Extend checks
       if (    givesCheck
           && !moveCountPruning
           &&  pos.see_ge(move, VALUE_ZERO))
@@ -901,7 +902,7 @@ moves_loop: // When in check search starts from here
               extension = ONE_PLY;
       }
 
-      // Update the current move (this must be done after singular extension search)
+      // Calculate new depth for this move
       newDepth = depth - ONE_PLY + extension;
 
       // Step 13. Pruning at shallow depth
@@ -953,6 +954,7 @@ moves_loop: // When in check search starts from here
           continue;
       }
 
+      // Update the current move (this must be done after singular extension search)
       ss->currentMove = move;
       ss->counterMoves = &thisThread->counterMoveHistory[moved_piece][to_sq(move)];