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Fix ranking of root moves by TB

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This commit is contained in:
fsmosca
2021-04-13 18:54:19 +08:00
parent 8748fd49b3
commit 44f4d6f617
1 changed files with 9 additions and 14 deletions
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src/search.cpp
+9 -14
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@@ -309,6 +309,9 @@ void Thread::search() {
bestValue = delta = alpha = -VALUE_INFINITE; bestValue = delta = alpha = -VALUE_INFINITE;
beta = VALUE_INFINITE; beta = VALUE_INFINITE;
if (!this->rootMoves.empty())
Tablebases::rank_root_moves(this->rootPos, this->rootMoves);
if (mainThread) if (mainThread)
{ {
if (mainThread->bestPreviousScore == VALUE_INFINITE) if (mainThread->bestPreviousScore == VALUE_INFINITE)
@@ -1934,10 +1937,14 @@ bool RootMove::extract_ponder_from_tt(Position& pos) {
void Tablebases::rank_root_moves(Position& pos, Search::RootMoves& rootMoves) { void Tablebases::rank_root_moves(Position& pos, Search::RootMoves& rootMoves) {
auto& rootInTB = pos.this_thread()->rootInTB; pos.this_thread()->Cardinality = int(Options["SyzygyProbeLimit"]);
pos.this_thread()->ProbeDepth = int(Options["SyzygyProbeDepth"]);
pos.this_thread()->UseRule50 = bool(Options["Syzygy50MoveRule"]);
pos.this_thread()->rootInTB = false;
auto& cardinality = pos.this_thread()->Cardinality; auto& cardinality = pos.this_thread()->Cardinality;
auto& probeDepth = pos.this_thread()->ProbeDepth; auto& probeDepth = pos.this_thread()->ProbeDepth;
rootInTB = false; auto& rootInTB = pos.this_thread()->rootInTB;
bool dtz_available = true; bool dtz_available = true;
// Tables with fewer pieces than SyzygyProbeLimit are searched with // Tables with fewer pieces than SyzygyProbeLimit are searched with
@@ -2044,18 +2051,6 @@ namespace Search
if (rootMoves.empty()) if (rootMoves.empty())
return false; return false;
th->UseRule50 = bool(Options["Syzygy50MoveRule"]);
th->ProbeDepth = int(Options["SyzygyProbeDepth"]);
th->Cardinality = int(Options["SyzygyProbeLimit"]);
// Tables with fewer pieces than SyzygyProbeLimit are searched with
// ProbeDepth == DEPTH_ZERO
if (th->Cardinality > Tablebases::MaxCardinality)
{
th->Cardinality = Tablebases::MaxCardinality;
th->ProbeDepth = 0;
}
Tablebases::rank_root_moves(pos, rootMoves); Tablebases::rank_root_moves(pos, rootMoves);
} }