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Stockfish vs Mid-range Chess Engines (Tests by Jörn Gronemann, 2025.09.17)

on

Another tournament where Stockfish 17.1 "tests" mid-range chess engines. The best performers were Integral 7.0.0 JA, Obsidian dev-16.14, and PlentyChess 6.0.18.

 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 612 games 
💾 All games CEDR 736.088 games download (01.09.2025)  
#chessenginesdiary


P Engine Score (Tie) +/-/=
1: Stockfish 17.1 39.0 / 68 1309.50 (+10 -0 =58)
2: Integral 7.0.0 JA 38.0 / 68 1272.50 (+9 -1 =58)
3: Obsidian dev-16.14 37.0 / 68 1243.25 (+7 -1 =60)
4: PlentyChess 6.0.18 37.0 / 68 1236.00 (+8 -2 =58)
5: Dragon 3.3 36.0 / 68 1211.75 (+5 -1 =62)
6: Viridithas 18.0.0 35.5 / 68 1197.50 (+4 -1 =63)
7: Reckless 0.8.0 35.0 / 68 1184.25 (+3 -1 =64)
8: Alexandria 8.1.0 JA 35.0 / 68 1179.25 (+4 -2 =62)
9: Berserk 20250622 34.5 / 68 1170.00 (+2 -1 =65)
10: Caissa 1.23 34.5 / 68 1167.50 (+4 -3 =61)
11: Clover 9.1 33.0 / 68 1117.75 (+1 -3 =64)
12: Motor 0.9.0 33.0 / 68 1113.25 (+4 -6 =58)
13: Uralochka 3.42a JA 32.5 / 68 1095.00 (+3 -6 =59)
14: Horsie 1.1.0 32.0 / 68 1086.25 (+2 -6 =60)
15: Stormphrax 7.0.0 JA 31.0 / 68 1053.25 (+0 -6 =62)
16: Halogen 15.0.0 31.0 / 68 1051.00 (+3 -9 =56)
17: Astra 6.1.1 30.0 / 68 1023.75 (+0 -8 =60)
18: Pawnocchio 1.8 28.0 / 68 950.25 (+0 -12 =56)




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