HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-19 16:46:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

Use less time on recaptures

Browse Source 
Credit for the idea goes to peregrine on discord.

Passed STC 10+0.1:
https://tests.stockfishchess.org/tests/view/662652623fe04ce4cefc48cf
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 75712 W: 19793 L: 19423 D: 36496
Ptnml(0-2): 258, 8487, 20023, 8803, 285

Passed LTC 60+0.6:
https://tests.stockfishchess.org/tests/view/6627495e3fe04ce4cefc59b6
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 49788 W: 12743 L: 12404 D: 24641
Ptnml(0-2): 29, 5141, 14215, 5480, 29

The code was updated slightly and tested for non-regression against the
original code at STC:

LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 41952 W: 10912 L: 10698 D: 20342
Ptnml(0-2): 133, 4825, 10835, 5061, 122
https://tests.stockfishchess.org/tests/view/662d84f56115ff6764c7e438

closes https://github.com/official-stockfish/Stockfish/pull/5189

Bench: 1836777
This commit is contained in:
xoto10
2024-04-28 16:27:40 +01:00
committed by Disservin
parent 49ef4c935a
commit 886ed90ec3
4 changed files with 23 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/engine.cpp
View File

@@ -53,6 +53,7 @@ Engine::Engine(std::string path) :
NN::NetworkBig({EvalFileDefaultNameBig, "None", ""}, NN::EmbeddedNNUEType::BIG),
NN::NetworkSmall({EvalFileDefaultNameSmall, "None", ""}, NN::EmbeddedNNUEType::SMALL))) {
pos.set(StartFEN, false, &states->back());
capSq = SQ_NONE;
}
std::uint64_t Engine::perft(const std::string& fen, Depth depth, bool isChess960) {
@@ -61,9 +62,10 @@ std::uint64_t Engine::perft(const std::string& fen, Depth depth, bool isChess960
return Benchmark::perft(fen, depth, isChess960);
}
void Engine::go(const Search::LimitsType& limits) {
void Engine::go(Search::LimitsType& limits) {
assert(limits.perft == 0);
verify_networks();
limits.capSq = capSq;
threads.start_thinking(options, pos, states, limits);
}
@@ -102,6 +104,7 @@ void Engine::set_position(const std::string& fen, const std::vector<std::string>
states = StateListPtr(new std::deque<StateInfo>(1));
pos.set(fen, options["UCI_Chess960"], &states->back());
capSq = SQ_NONE;
for (const auto& move : moves)
{
auto m = UCIEngine::to_move(pos, move);
@@ -111,6 +114,11 @@ void Engine::set_position(const std::string& fen, const std::vector<std::string>
states->emplace_back();
pos.do_move(m, states->back());
capSq = SQ_NONE;
DirtyPiece& dp = states->back().dirtyPiece;
if (dp.dirty_num > 1 && dp.to[1] == SQ_NONE)
capSq = m.to_sq();
}
}
@@ -172,4 +180,4 @@ std::string Engine::visualize() const {
return ss.str();
}
}
}