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Revert "Improve multiPV mode"

This reverts commit a8de07c.
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joergoster authored and snicolet committed Jul 4, 2019
1 parent 8152a74 commit fcee0ce6a39a28ffdfa4b1ed438b353a895edb6b
Showing with 2 additions and 8 deletions.
  1. +1 −7 src/search.cpp
  2. +1 −1 src/thread.h
@@ -341,7 +341,7 @@ void Thread::search() {
bestValue = delta = alpha = -VALUE_INFINITE;
beta = VALUE_INFINITE;

multiPV = Options["MultiPV"];
size_t multiPV = Options["MultiPV"];

// Pick integer skill levels, but non-deterministically round up or down
// such that the average integer skill corresponds to the input floating point one.
@@ -934,12 +934,6 @@ namespace {
sync_cout << "info depth " << depth / ONE_PLY
<< " currmove " << UCI::move(move, pos.is_chess960())
<< " currmovenumber " << moveCount + thisThread->pvIdx << sync_endl;

// In MultiPV mode also skip moves which will be searched later as PV moves
if (rootNode && std::count(thisThread->rootMoves.begin() + thisThread->pvIdx + 1,
thisThread->rootMoves.begin() + thisThread->multiPV, move))
continue;

if (PvNode)
(ss+1)->pv = nullptr;

@@ -59,7 +59,7 @@ class Thread {

Pawns::Table pawnsTable;
Material::Table materialTable;
size_t pvIdx, multiPV, pvLast, shuffleExts;
size_t pvIdx, pvLast, shuffleExts;
int selDepth, nmpMinPly;
Color nmpColor;
std::atomic<uint64_t> nodes, tbHits, bestMoveChanges;

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