C++ chess engine
- Negamax Framework
- Alpha-Beta Pruning
- Aspiration window
- Late move reduction
- Three-fold repetition
- Transposition tables
- Piece-square tables
- AlphaZero average piece values
- Endgame heuristics
| Rank | Name | Elo | +/- | Games | Score | Draw |
|---|---|---|---|---|---|---|
| 1 | radiance_3.3 | 370 | 19 | 2878 | 89.4% | 5.6% |
| 2 | radiance_3.2 | 349 | 18 | 2881 | 88.2% | 5.6% |
| 3 | radiance_3.1.1 | 242 | 15 | 2881 | 80.1% | 6.3% |
| 4 | radiance_2.4 | 79 | 12 | 2882 | 61.2% | 9.6% |
| 5 | radiance_3.0.1 | 71 | 12 | 2881 | 60.1% | 7.7% |
| 6 | radiance_2.3 | 54 | 12 | 2880 | 57.8% | 9.7% |
| 7 | radiance_2.2 | -83 | 13 | 2880 | 38.2% | 7.1% |
| 8 | radiance_2.1 | -115 | 13 | 2882 | 34.1% | 6.7% |
| 9 | radiance_2.0 | -141 | 13 | 2884 | 30.8% | 5.4% |
| 10 | radiance_1.5 | -390 | 22 | 2884 | 9.6% | 0.1% |
| 11 | radiance_1.4 | -846 | 77 | 2887 | 0.8% | 0.0% |
export CXX=g++-12
export CC=gcc-12
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
./radiance
| Name | Type | Default value | Valid values | Description |
|---|---|---|---|---|
Hash |
spin | 256 | [1, 131072] | Memory allocated to the transposition table (in MB). |
Threads |
spin | 1 | [1, 1] | Number of threads used to search. |
Evaluation |
combo | "PSQTuned" | ["PSQTuned", "PSQ", "Shannon", "ShannonHeuristics"] | Type of evaluation function. |
Search |
combo | "abNegamax" | ["abNegamax", "Minimax", "Random"] | Type of search function. |
I'm radiant!