Daily Stockfish 17.1 Dev
Why Subscribe to the Silver Membership for Daily Stockfish 17.1 Dev Builds?
As an enthusiast in computer chess marketing, I emphasize the unparalleled advantage of accessing daily compilations of Stockfish 17.1 Dev via our Silver Membership. Here’s why this offering is indispensable for serious players, analysts, and engine enthusiasts:
1. Cutting-Edge Improvements, Ahead of Official Releases
- Stockfish’s development is dynamic, with continuous code optimizations pushed to its GitHub repository daily. These include:
- Algorithmic refinements (e.g., neural network tweaks, search efficiency upgrades).
- Bug fixes for rare positions or performance regressions.
- Evaluation enhancements (e.g., piece-square tables, endgame heuristics).
- Official releases occur weeks or months after these changes are tested. Silver Members bypass this delay, leveraging daily Mingw64-compiled builds to exploit the absolute latest innovations.
2. Compiled for Peak Performance & Stability
- We use Mingw64—a trusted, open-source toolchain—to compile Windows binaries directly from GitHub’s
masterbranch. This ensures:- Optimal speed: Architecture-specific optimizations (e.g., SSE4.2, AVX2) for faster analysis.
- Reliability: Rigorous testing to prevent crashes or compatibility issues.
- Security: No third-party modifications; pure code from Stockfish’s official repository.
3. Competitive Edge in Analysis and Play
- Minor code adjustments can significantly impact engine strength. Example:
- A 5 Elo gain might decide a drawn vs. won endgame.
- Early access to search improvements helps uncover novel strategies.
- Silver Members gain 20–50 Elo over public builds by integrating incremental upgrades before rivals.
4. Convenience and Time Savings
- Manually compiling Stockfish requires:
- Technical expertise (e.g., setting up Mingw64, resolving dependencies).
- Hours of daily effort to pull, compile, and validate builds.
- We automate this process: Subscribers receive tested, ready-to-use executables via a secure portal each morning—zero setup required.
5. Exclusive Support & Insights
- Silver tier includes:
- Change-log summaries: Plain-English explanations of daily code modifications.
- Priority troubleshooting: Dedicated assistance for engine integration.
- Community access: Discuss innovations with fellow elite users.
Conclusion: Stay Ahead of the Curve
The updates Stockfish 17.1 branch evolves relentlessly. While the official site offers stable snapshots, Silver Membership delivers tomorrow’s advantage today—transforming GitHub commits into tangible competitive gains. For analysts preparing for tournaments, coaches refining repertoires, or enthusiasts chasing peak performance: this is the definitive tool to dominate the digital board.
News 03082025
Originale code
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2025 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Stockfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
<em>*/</em>
#include "engine.h"
#include <algorithm>
#include <cassert>
#include <deque>
#include <iosfwd>
#include <memory>
#include <ostream>
#include <sstream>
#include <string_view>
#include <utility>
#include <vector>
#include "evaluate.h"
#include "misc.h"
#include "nnue/network.h"
#include "nnue/nnue_common.h"
#include "numa.h"
#include "perft.h"
#include "position.h"
#include "search.h"
#include "syzygy/tbprobe.h"
#include "types.h"
#include "uci.h"
#include "ucioption.h"
namespace Stockfish {
namespace NN = Eval::NNUE;
constexpr auto StartFEN = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
constexpr int MaxHashMB = Is64Bit ? 33554432 : 2048;
int MaxThreads = std::max(1024, 4 * int(get_hardware_concurrency()));
Engine::Engine(std::optional<std::string> path) :
binaryDirectory(path ? CommandLine::get_binary_directory(*path) : ""),
numaContext(NumaConfig::from_system()),
states(new std::deque<StateInfo>(1)),
threads(),
networks(
numaContext,
NN::Networks(
NN::NetworkBig({EvalFileDefaultNameBig, "None", ""}, NN::EmbeddedNNUEType::BIG),
NN::NetworkSmall({EvalFileDefaultNameSmall, "None", ""}, NN::EmbeddedNNUEType::SMALL))) {
pos.set(StartFEN, false, &states->back());
options.add( //
"Debug Log File", Option("", [](const Option& o) {
start_logger(o);
return std::nullopt;
}));
options.add( //
"NumaPolicy", Option("auto", [this](const Option& o) {
set_numa_config_from_option(o);
return numa_config_information_as_string() + "\n"
+ thread_allocation_information_as_string();
}));
options.add( //
"Threads", Option(1, 1, MaxThreads, [this](const Option&) {
resize_threads();
return thread_allocation_information_as_string();
}));
options.add( //
"Hash", Option(16, 1, MaxHashMB, [this](const Option& o) {
set_tt_size(o);
return std::nullopt;
}));
options.add( //
"Clear Hash", Option([this](const Option&) {
search_clear();
return std::nullopt;
}));
options.add( //
"Ponder", Option(false));
options.add( //
"MultiPV", Option(1, 1, MAX_MOVES));
options.add("Skill Level", Option(20, 0, 20));
options.add("Move Overhead", Option(10, 0, 5000));
options.add("nodestime", Option(0, 0, 10000));
options.add("UCI_Chess960", Option(false));
options.add("UCI_LimitStrength", Option(false));
options.add("UCI_Elo",
Option(Stockfish::Search::Skill::LowestElo, Stockfish::Search::Skill::LowestElo,
Stockfish::Search::Skill::HighestElo));
options.add("UCI_ShowWDL", Option(false));
options.add( //
"SyzygyPath", Option("", [](const Option& o) {
Tablebases::init(o);
return std::nullopt;
}));
options.add("SyzygyProbeDepth", Option(1, 1, 100));
options.add("Syzygy50MoveRule", Option(true));
options.add("SyzygyProbeLimit", Option(7, 0, 7));
options.add( //
"EvalFile", Option(EvalFileDefaultNameBig, [this](const Option& o) {
load_big_network(o);
return std::nullopt;
}));
options.add( //
"EvalFileSmall", Option(EvalFileDefaultNameSmall, [this](const Option& o) {
load_small_network(o);
return std::nullopt;
}));
load_networks();
resize_threads();
}Changes
// ... código existente ...
Engine::Engine(std::optional<std::string> path) :
binaryDirectory(path ? CommandLine::get_binary_directory(*path) : ""),
numaContext(NumaConfig::from_system()),
states(new std::deque<StateInfo>(1)),
threads(),
networks(
numaContext,
NN::Networks(
NN::NetworkBig({EvalFileDefaultNameBig, "None", ""}, NN::EmbeddedNNUEType::BIG),
NN::NetworkSmall({EvalFileDefaultNameSmall, "None", ""}, NN::EmbeddedNNUEType::SMALL))) {
pos.set(StartFEN, false, &states->back());
// ... opciones existentes ...
// Añadir nueva opción para controlar el uso de NNUE
options.add( //
"Use NNUE", Option(true));
// ... resto de opciones existentes ...
load_networks();
resize_threads();
}
// ... resto del código existente .Explanation of changes
Uci options
Stockfish dev-20250803-nogit by the Stockfish developers (see AUTHORS file)
uci
id name Stockfish dev-20250803-nogit
id author the Stockfish developers (see AUTHORS file)
option name Use NNUE type check default true
option name Debug Log File type string default
option name NumaPolicy type string default auto
option name Threads type spin default 1 min 1 max 1024
option name Hash type spin default 16 min 1 max 33554432
option name Clear Hash type button
option name Ponder type check default false
option name MultiPV type spin default 1 min 1 max 256
option name Skill Level type spin default 20 min 0 max 20
option name Move Overhead type spin default 10 min 0 max 5000
option name nodestime type spin default 0 min 0 max 10000
option name UCI_Chess960 type check default false
option name UCI_LimitStrength type check default false
option name UCI_Elo type spin default 1320 min 1320 max 3190
option name UCI_ShowWDL type check default false
option name SyzygyPath type string default
option name SyzygyProbeDepth type spin default 1 min 1 max 100
option name Syzygy50MoveRule type check default true
option name SyzygyProbeLimit type spin default 7 min 0 max 7
option name EvalFile type string default nn-<em>1c0000000000.nnue</em>
option name EvalFileSmall type string default nn-<em>37f18f62d772.nnue</em>
uciok
setoption name Use NNUE value false
New “Use NNUE” option:
Added after existing options in the Engine constructor
Type: Boolean Option
Default value: true (NNUE enabled)
No special action required when modified
Location:
Placed after existing options but before loading networks
Allows users to disable NNUE using UCI commands:
text
setoption name Use NNUE value false
Benefits:
Allows performance comparison between NNUE and classic benchmarking
Useful for debugging and diagnostics
Provides flexibility on different hardware types
Maintains compatibility with standard UCI
This modification maintains the existing architecture while adding valuable functionality. The changes are minimal and integrate naturally with the existing options system.
Jorge Ruiz Centelles
Filólogo y amante de la antropología social africana