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Stockfish 17.1 vs Mid-range Chess Engines (Tests by Jörn Gronemann, 2025.10.01)


This time, Stockfish 17.1 was ruthless and decisively defeated the mid-range engines. Reckless 0.8.0 performed best of the tested chess engines, and PlentyChess 7.0.0 JA also performed quite well.

GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs book,  6TBs.

🕒🕒Time 3'+3"   Tournament download with 728 games 
💾 All games CEDR 760.349 games download (01.10.2025)  
#chessenginesdiary

P Engine Score (Tie) +/-/=
1: Stockfish 17.1 66.5 / 104 3307.25 (+29 -0 =75)
2: Reckless 0.8.0 58.5 / 104 2938.25 (+14 -1 =89)
3: PlentyChess 7.0.0 JA 58.0 / 104 2912.50 (+14 -2 =88)
4: Obsidian dev-16.14 55.5 / 104 2785.00 (+11 -4 =89)
5: Integral 7.0.0 JA 54.5 / 104 2774.75 (+6 -1 =97)
6: Alexandria 8.1.2 JA 54.5 / 104 2742.75 (+9 -4 =91)
7: Clover 9.1 JA 53.5 / 104 2704.25 (+10 -7 =87)
8: Berserk 20250622 53.0 / 104 2703.50 (+7 -5 =92)
9: Caissa 1.23 JA 52.5 / 104 2660.25 (+6 -5 =93)
10: Stormphrax 7.0.0 JA 50.0 / 104 2562.75 (+6 -10 =88)
11: Motor 0.9.0 49.5 / 104 2531.25 (+5 -10 =89)
12: Horsie 1.1.0 48.5 / 104 2480.50 (+6 -13 =85)
13: Halogen 15.4.2 46.5 / 104 2342.25 (+6 -17 =81)
14: Carp 3.0.1 JA 27.0 / 104 1416.25 (+1 -51 =52)


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