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Release Igel 3.3.0 (#271)
Igel 3.3.0 ------------- 15-Jan-2023 - new network architecture - new network ign-2-51ba2968 http://chess.grantnet.us/test/30539/ ELO | 27.44 +- 9.35 (95%) SPRT | 3.0+0.03s Threads=1 Hash=8MB LLR | 2.97 (-2.94, 2.94) [0.00, 3.00] GAMES | N: 3312 W: 1161 L: 900 D: 1251 http://chess.grantnet.us/test/30542/ ELO | 34.07 +- 10.32 (95%) SPRT | 10.0+0.10s Threads=1 Hash=8MB LLR | 2.96 (-2.94, 2.94) [0.00, 3.00] GAMES | N: 2568 W: 878 L: 627 D: 1063 http://chess.grantnet.us/test/30543/ ELO | 41.87 +- 11.13 (95%) SPRT | 60.0+0.60s Threads=1 Hash=64MB LLR | 2.95 (-2.94, 2.94) [0.00, 3.00] GAMES | N: 1976 W: 637 L: 400 D: 939 BENCH: 2703171
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‎CMakeLists.txt‎

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@@ -11,22 +11,12 @@ FILE(GLOB HDRFILES ${PROJECT_SOURCE_DIR}/src/*.h)
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FILE(GLOB FATHOM_SRCFILES ${PROJECT_SOURCE_DIR}/src/fathom/*.cpp)
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FILE(GLOB FATHOM_HDRFILES ${PROJECT_SOURCE_DIR}/src/fathom/*.h)
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IF (DEFINED EVAL_NNUE)
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ADD_DEFINITIONS(-DEVAL_NNUE=${EVAL_NNUE})
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FILE(GLOB_RECURSE NNUE_SRCFILES ${PROJECT_SOURCE_DIR}/src/nnue/*.cpp)
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FILE(GLOB_RECURSE NNUE_HDRFILES ${PROJECT_SOURCE_DIR}/src/nnue/*.h)
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FILE(GLOB INCBIN_HDRFILES ${PROJECT_SOURCE_DIR}/src/incbin/*.h)
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ENDIF()
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FILE(GLOB INCBIN_HDRFILES ${PROJECT_SOURCE_DIR}/src/incbin/*.h)
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IF (DEFINED EVALFILE)
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ADD_DEFINITIONS(-DEVALFILE=\"${EVALFILE}\")
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ENDIF()
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IF (DEFINED USE_NEON)
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ADD_DEFINITIONS(-DUSE_NEON=${USE_NEON})
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ENDIF()
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IF (DEFINED USE_PEXT)
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ADD_DEFINITIONS(-DUSE_PEXT=${USE_PEXT})
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ENDIF()
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ADD_DEFINITIONS(-DUSE_AVX2=${USE_AVX2})
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ENDIF()
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IF (DEFINED USE_AVX512)
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ADD_DEFINITIONS(-DUSE_AVX512=${USE_AVX512})
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ENDIF()
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IF (DEFINED _BTYPE)
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ADD_DEFINITIONS(-D_BTYPE=${_BTYPE})
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IF (UNIX)
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ELSE()
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IF (UNIX)
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ADD_DEFINITIONS(-DNDEBUG)
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -O3 -march=native -flto -pthread")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -O3 -march=native -flto -pthread -mavx2")
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ENDIF (UNIX)
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ADD_EXECUTABLE(igel ${SRCFILES} ${HDRFILES} ${FATHOM_SRCFILES} ${FATHOM_HDRFILES} ${NNUE_SRCFILES} ${NNUE_HDRFILES} ${INCBIN_HDRFILES})
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ADD_EXECUTABLE(igel ${SRCFILES} ${HDRFILES} ${FATHOM_SRCFILES} ${FATHOM_HDRFILES} ${INCBIN_HDRFILES})
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ENDIF()

‎README.md‎

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@@ -22,6 +22,8 @@ In June 2020 Igel was invited by Andrew Grant to participate in OpenBench testin
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In October 2020 first Igel Generation Networks were introduced seeing participation of Igel in TCEC Cup7 and TCEC Season 20 and released later with Igel 2.9.0.
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In January 2023 last bits of HCE code were removed from Igel and the evaluation is mostly based on NNUE as of Igel 3.3.0.
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### Igel Generation Networks (IGN)
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In late 2020 there have been a lot of discussions in the chess community about NNUE techology in general and NNUE networks in particular raising important questions about authenticity of networks.
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5. Each generation of network must contain information (on github page) on training parameters for clarity of the source of data
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6. Complete source data of network may be given to tournament organizers for validation purposes and it must be possible for external parties to train the network from scratch using the provided data to the same strength as submitted network (margin of +-10 elo)
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**Technical details**
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| Generation | Architecture | Source of data | Quantity | Type | Best network |
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| ------------- | ------------------ | ---------------------------------- | ----------------- | -------------- | -------------- |
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| ign-0 | halfkp_256x2-32-32 | Igel 2.6.0 | 2.3b d8, 500m d12 | HCE | ign-0-9b1937cc |
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| ign-1 | halfkp_256x2-32-32 | Igel 2.6.0, Igel 2.9.0, Igel 3.0.0 | 12b d8, 1b d12 | HCE, NNUE | ign-1-3e998e78 |
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| Generation | Architecture | Source of data | Quantity | Type | Best network |
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| ------------- | ---------------------| ---------------------------------- | ----------------- | -------------- | -------------- |
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| ign-0 | halfkp_256x2-32-32 | Igel 2.6.0 | 2.3b d8, 500m d12 | HCE | ign-0-9b1937cc |
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| ign-1 | halfkp_256x2-32-32 | Igel 2.6.0, Igel 2.9.0, Igel 3.0.0 | 12b d8, 1b d12 | HCE, NNUE | ign-1-9a48854b |
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| ign-2 | halfkav2_512x2-16-32 | Igels as of 2.9.0 | d5+d8+d16 >30b | NNUE | ign-2-51ba2968 |
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### Acknowledgements
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git clone https://github.com/vshcherbyna/igel.git ./igel
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cd igel
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git submodule update --init --recursive
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cmake -DEVAL_NNUE=1 -DUSE_AVX2=1 -D_BTYPE=1 -DSYZYGY_SUPPORT=TRUE -G "Visual Studio 17 2022" -A x64 .
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cmake -DUSE_AVX2=1 -D_BTYPE=1 -DSYZYGY_SUPPORT=TRUE -G "Visual Studio 17 2022" -A x64 .
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```
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Using cmake/gcc:
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git clone https://github.com/vshcherbyna/igel.git ./igel
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cd igel
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git submodule update --init --recursive
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wget https://github.com/vshcherbyna/igel/releases/download/3.2.0/ign-1-9a48854b -O ./network_file
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cmake -DEVALFILE=network_file -DEVAL_NNUE=1 -DUSE_PEXT=1 -DUSE_AVX2=1 -D_BTYPE=1 -DSYZYGY_SUPPORT=TRUE .
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wget https://github.com/vshcherbyna/igel/releases/download/3.3.0/ign-2-51ba2968 -O ./network_file
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cmake -DEVALFILE=network_file -DUSE_PEXT=1 -DUSE_AVX2=1 -D_BTYPE=1 -DSYZYGY_SUPPORT=TRUE .
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make -j
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```
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### Donation
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Thank you so much for supporting Igel's development and training via [PayPal](https://www.paypal.com/donate/?hosted_button_id=37NPEAY9XLRJE).
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Thank you so much for supporting Igel's development and training via [![Paypal](https://raw.githubusercontent.com/vshcherbyna/igel/master/paypal3.jpg)](https://www.paypal.com/donate/?hosted_button_id=37NPEAY9XLRJE).

‎appveyor.yml‎

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- git submodule update --init --recursive
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build_script:
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- cmake -D_BTYPE=1 -G "Visual Studio 17 2022" .
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- cmake -DUSE_AVX2=1 -D_BTYPE=1 -G "Visual Studio 17 2022" .
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- cmake --build . --target ALL_BUILD --config %CONFIGURATION%
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- cmake -D_MAKE_UNIT_TEST=UNIT_TEST -D_BTYPE=1 -G "Visual Studio 17 2022" .
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- cmake -D_MAKE_UNIT_TEST=UNIT_TEST -D_BTYPE=1 -DUSE_AVX2=1 -G "Visual Studio 17 2022" .
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- cmake --build . --target ALL_BUILD --config %CONFIGURATION%
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- .\%CONFIGURATION%\unit.exe

‎history.txt‎

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(c) 2002-2018 Vladimir Medvedev <vrm@bk.ru> (GreKo author)
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(c) 2018-2023 Volodymyr Shcherbyna <volodymyr@shcherbyna.com>
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Igel 3.3.0
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-------------
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15-Jan-2023
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- new network architecture
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- new network ign-2-51ba2968
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Igel 3.2.0
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-------------
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17-Dec-2022

‎paypal3.jpg‎

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