Named after the first king of the Franks and the paleoamerican mammoth slayers, Clovis is a powerful UCI chess engine written in C++. It is a successor to Hopper Chess in that it follows standard convention more closely.
Clovis requires make and a compiler with C++20 support.
git clone https://github.com/jonathanmcdermid/Clovis
cd Clovis
cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
cmake --build build --parallel --config Release
./build/bin/Release/Clovis
Commands for the engine can be issued using the standard UCI format
Clovis is currently estimated to have an Elo rating of ~2880
- CCRL 40/15 Clovis III 2860 Elo
- CCRL Blitz Clovis III 2852 Elo
- Negamax
- Principal Variation Search
- Quiescence Search
- Iterative Deepening
- Transposition Table
- Pawn Hash Table
- Aspiration Windows
- Internal Iterative Deepening
- Reverse Futility Pruning
- Null Move Pruning
- Static Exchange Evaluation
- Late Move Reductions
- Killer Heuristic
- Countermove Heuristic
- Piece Square Tables
- Tapered Evaluation
- Texel's Tuning Method
- King Safety
- Outposts
- Pawn Structure
- Mobility
This engine uses ideas from various sources
Special thanks to the engine testers!