Chess Engines Diary

Chess engine: Amelia  Author: Joey Bednar Amelia 0.15 what's new? Added UCI functionality and various search/evaluation improvements. Added late move reduction Added support for UCI stop command Added evaluation bonus to bishop pair Fixed bug in repetition detection Refactored floating point to integer math v0.15 vs v0.14: 110 wins, 42 draws, 33 losses (0.708) Elo increase: 154.0 +/- 47.3 Amelia 0.15 vs. other engines: Nectar 0.1.7 2/10 -6 10 Games StoneChess 2024-09-13 0/10 -10 10 Games 4ku 5.1 0/10 -10 10 Games Heimdall 1.0.0 JA 0/10 -10 10 Games Purple Panda 18 4.5/8 +1 8 Games Sentinel 1.01 JA 0.5/8 -7 8 Games Yakka 1.1 0/8 -8 8 Games Sapling 1.1.1 0/8 -8 8 Games Dirty 0/8 -8 8 Games EveAnn 1.73 0/8 -8 8 Games Sapling 1.0.0 0/8 -8 8 Games Integral v4 0/8 -8 8 Games Seawall 20240926 0/8 -8 8 Games Neuromancer 1.5 2/5 -1 5 Games Fidelio 17 0/4 -4 4 Games Roc 2024Aug24 0/2 -2 2 Games RubiChess 20240817 0/2 -2 2 Games Schoenemann 0.2.0 0/2 -2 2 Games SF PB 100924 0/2 -2 2 Games Rem...

Rhetoric 1.4.3 , an "old" 9-year-old engine tested new versions of amateur chess engines. The best were the 4ku 5.1 and Heimdall 1.1.1 engines, which won 9 games with one draw. More tests soon, we invite you to our website. Chess Engines Diary Team All CEDR games 449.407 download   💾   80 games from the tournament download @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Arena Rank Engine CEDR Score +- Rh 1 Rhetoric 1.4.3 2631 40.5/80 ˇ ˇˇ ˇˇ 2 4ku 5.1 3086 9.5/10 +6 9-0-1 2 Heimdall 1.1.1 2400 9.5/10 +75 9-0-1 4 Perseus 0.9-alpha 2400 8.5/10 +65 7-0-3 5 Myrddin 0.91 2629 6.0/10 +11 5-3-2 6 Eveann 2.1 2215 5.5/10 +44 4-3-3 7 Toad 1.0.0 2400 0.5/10 -15 0-9-1 8 Freda 1.0 2400 0.0/10 -20 0-10-0 8 Amelia 0.15 2400 0.0/10 -20 0-10-0 #chessenginesdiary

Chess engine: Amelia  Author: Joey Bednar Name change and search/hashing improvements. Changed name to Amelia and added styling to README.md Added principal variation search Added castling permissions and en passant square to Zobrist hash If only 1 legal move, plays move instantly Added simple testing bash script Fixed bug in transposition table replacement v0.12 vs v0.11: 1372 wins, 860 draws, 1159 losses (0.531) Elo increase: 22.3 +/- 10.0 Amelia 0.12 download