From: mstembera <MissingEmail@email>
Date: Mon, 7 Dec 2015 21:51:43 +0000 (-0800)
Subject: Fix MultiPv and Skill in SMP.
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=7904a7d930d4979fcd0bf13d48a6504f97f39a54;hp=8315620522dd268755f32be792802abb62f7366f

Fix MultiPv and Skill in SMP.

7 threads, 5+0.1:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 55460 W: 9665 L: 9601 D: 36194

No functional change in normal playing mode
---

diff --git a/src/search.cpp b/src/search.cpp
index 1e9c5010..3c34f185 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -327,10 +327,11 @@ void MainThread::search() {
 
   // Check if there are threads with a better score than main thread.
   Thread* bestThread = this;
-  for (Thread* th : Threads)
-      if (   th->completedDepth > bestThread->completedDepth
-          && th->rootMoves[0].score > bestThread->rootMoves[0].score)
-        bestThread = th;
+  if (Options["MultiPV"] == 1 && !Skill(Options["Skill Level"]).enabled())
+      for (Thread* th : Threads)
+          if (   th->completedDepth > bestThread->completedDepth
+              && th->rootMoves[0].score > bestThread->rootMoves[0].score)
+            bestThread = th;
 
   // Send new PV when needed.
   // FIXME: Breaks multiPV, and skill levels