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‎README.md‎

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Cinnamon
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==========
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### UCI Chess Engine
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Cinnamon is a chess program for Windows, Linux, Mac OS, Android and Raspberry Pi, is a console-based chess engine for use with [xboard][4], [Arena][5], [Tarrasch][6], [Chess for Android][7] or any UCI-compatible GUI. Cinnamon is also a javascript library to play with [chessboardjs][8] or any js GUI.
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Cinnamon is a chess program for Windows, Linux, Mac OS, Android and Raspberry Pi, is a console-based chess engine for use with [xboard][4], [Arena][5], [Tarrasch][6], [Droidfish][7] or any UCI-compatible GUI. Cinnamon is also a javascript library to play with [chessboardjs][8] or any js GUI.
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Version
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----------
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2.2a
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2.3
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News
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----------
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- Bug fixed using Gaviota Tablebases in Windows
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- Bugs fixed in Uci protocol
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- Improved eval function
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- Improved null moves
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- Chess 960
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- Killer heuristics
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- Improved move ordering
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- Improved Gaviota Tablebase search
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- Syzygy Tablebases
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- BMI2 Instructions
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- Bug fix in enpassant
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- Bug fix parallel perft
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Features
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- Available for both Unix, Windows, Mac, Android, ARM and Javascript
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- UCI protocol
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- GPL 3 License
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- Chess 960
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- C++11 source
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- PVS
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- Rotated bitboards
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- Null moves
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- Futility pruning
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- Delta pruning
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- Razoring
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- Interruptible multithread Perft test
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- Interruptible multithread Perft test [standard][9] [chess960][10]
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- 32/64 bit architectures
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- Iterative deeping
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- History heuristics
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- Killer heuristics
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- Lazy evaluation
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- Mvv/Lva
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- Transposition Table
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- MVV/LVA
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- Two-tier Transposition Table
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- Aspiration Windows
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- Late Move Reduction
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- Ponder
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- Available with Tarrasch GUI for Windows
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- Open Book (Polyglot)
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- Gaviota Tablebases
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- Syzygy Tablebases
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- [Elo ratings][3]
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Binaries
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Command line tools
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----------
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#### Perft
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`cinnamon -perft [-d depth] [-c nCpu] [-h hash size (mb) [-F dump file]] [-f "fen position"] `
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`cinnamon -perft [-d depth] [-c nCpu] [-h hash size (mb) [-F dump file]] [-Chess960] [-f "fen position"] `
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Setting dump file (-F) you can stop and start the perft process.
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Setting `-F` and `-h` you can stop (Ctrl-c) and restart the perft process.
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#### Gaviota distance to mate
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#### Gaviota DTM (distance to mate)
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`cinnamon -dtm-gtb -f "fen position" -p path`
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#### EPD generation
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`cinnamon -puzzle_epd -t K..K..`
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#### Gaviota WDL (win/draw/loss)
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`cinnamon -wdl-gtb -f "fen position" -p path`
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#### SYZYFY DTZ (distance to zero)
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`cinnamon -dtz-syzygy -f "fen position" -p path`
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#### SYZYFY WDL (win/draw/loss)
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`cinnamon -wdl-syzygy -f "fen position" -p path`
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#### EPD generator
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`cinnamon -puzzle_epd -t K?K?`
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example: `cinnamon -puzzle_epd -t KRKP`
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Compiling
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$ make
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Makefile for cross-compile Linux/Windows/OSX/Raspberry
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Makefile for cross-compile Linux/Windows/OSX/ARM/Javascript
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make cinnamon64-modern-INTEL > 64-bit optimized for modern Intel cpu
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make cinnamon64-BMI2 > 64-bit optimized for Haswell Intel cpu
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make cinnamon64-modern-AMD > 64-bit optimized for modern Amd cpu
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make cinnamon64-modern > 64-bit with popcnt bsf sse3 support
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make cinnamon64-generic > Unspecified 64-bit
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make cinnamon32-generic > Unspecified 32-bit
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make cinnamon32-ARM > Optimized for ARM cpu
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make cinnamon-js > Javascript build
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add:
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COMP=compiler > Use another compiler
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FULL_TEST=yes > Unit test (googletest)
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g++ is the default compiler, add COMP=yourcompiler to use another compiler
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example: make cinnamon64-modern-INTEL COMP=clang++
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[4]: http://www.gnu.org/software/xboard
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[5]: http://www.playwitharena.com
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[6]: http://triplehappy.com
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[7]: https://play.google.com/store/apps/details?id=com.google.android.chess
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[8]: http://chessboardjs.com
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[7]: https://play.google.com/store/apps/details?hl=it&id=org.petero.droidfish
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[8]: http://chessboardjs.com
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[9]: http://cinnamonchess.altervista.org/perft.html
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[10]: https://www.chessprogramming.org/Chess960_Perft_Results

‎regression_test.html‎

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‎src/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.5)
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project(debug)
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project(cinnamon_debug)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -pthread -pedantic -std=c++11 -DDLOG_LEVEL=_TRACE -DFULL_TEST -DDEBUG_MODE ")
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# debug
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -Wno-braced-scalar-init -mbmi2 -DUSE_BMI2 -DBENCH_MODE -fno-omit-frame-pointer -g -pthread -pedantic -std=c++11 -DDLOG_LEVEL=_TRACE -DDEBUG_MODE -fsigned-char -fno-exceptions -fno-rtti -funroll-loops -msse4.2 -DHAS_POPCNT -mpopcnt -msse3 -DHAS_BSF -DHAS_64BIT -m64 ")
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set(SOURCE_FILES
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# bench
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#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-braced-scalar-init -mbmi2 -DUSE_BMI2 -pthread -pedantic -DBENCH_MODE -std=c++11 -DDLOG_LEVEL=_FATAL -Wall -Ofast -DNDEBUG -fsigned-char -fno-exceptions -fno-rtti -funroll-loops -msse4.2 -DHAS_POPCNT -mpopcnt -msse3 -DHAS_BSF -DHAS_64BIT -m64 ")
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# unit test
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#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-braced-scalar-init -fsanitize=address -fno-omit-frame-pointer -g -pthread -pedantic -std=c++11 -DDLOG_LEVEL=_TRACE -DFULL_TEST -DDEBUG_MODE -fsigned-char -fno-exceptions -fno-rtti -funroll-loops -msse4.2 -DHAS_POPCNT -mpopcnt -msse3 -DHAS_BSF -DHAS_64BIT -m64 ")
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set(SOURCE_FILES
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lib/gtb-probe.h
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namespaces/board.h
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namespaces/constants.h
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namespaces/debug.h
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namespaces/def.h
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namespaces/bits.h
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namespaces/random.h
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namespaces/board.h
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namespaces/board.cpp
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perft/_TPerftRes.h
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perft/Perft.cpp
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perft/Perft.h
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db/OpenBook.cpp
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db/OpenBook.h
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db/GTB.h
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db/GTB.cpp
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db/syzygy/SYZYGY.h
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db/syzygy/SYZYGY.cpp
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db/syzygy/tbprobe.c
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db/gaviota/GTB.h
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db/gaviota/GTB.cpp
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perft/PerftThread.cpp
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perft/PerftThread.h
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test/test.cpp
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util/Bitboard.cpp
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util/Bitboard.h
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util/FileUtil.h
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util/GetOpt.h
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GetOpt.h
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util/IniFile.cpp
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util/IniFile.h
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util/logger.h
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util/Random.h
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util/Singleton.h
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util/String.cpp
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util/String.h
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util/Time.h
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util/bench/Time.h
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util/Timer.cpp
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util/Timer.h
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ChessBoard.cpp
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SearchManager.cpp
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SearchManager.h
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Uci.cpp
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Uci.h
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WrapperCinnamon.cpp
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WrapperCinnamon.h)
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Uci.h)
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set(CMAKE_CXX_COMPILER "g++")
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add_executable(debug ${SOURCE_FILES})
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target_link_libraries(debug ${CMAKE_SOURCE_DIR}/lib/Linux/64/libgtb.a /usr/lib/x86_64-linux-gnu/libgtest.a)
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set(CMAKE_CXX_COMPILER "clang++")
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add_executable(cinnamon_debug ${SOURCE_FILES})
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target_link_libraries(cinnamon_debug ${CMAKE_SOURCE_DIR}/lib/Linux/64/libgtb.a /usr/lib/libgtest.a)

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