Stockfish 17.1 vs Mid-range Chess Engines (Tests by Jörn Gronemann, 2025.10.28)

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This is another tournament where Stockfish 17.1 tests a mid-range chess engine. This time, Integral 7.0.0-dev JA came out on top, followed by Obsidian dev-16.15 SE and Reckless 0.9.0 dev-162f5682.

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 450 games 
💾 All games CEDR 760.349 games download (01.10.2025)  
#chessenginesdiary  #Stockfish17.1

P Engine Score (Tie) +/-/=
1: Stockfish 17.1 49.5 / 90 2192.25 (+9 -0 =81)
2: Integral 7.0.0-dev JA 48.5 / 90 2150.25 (+7 -0 =83)
3: Obsidian dev-16.15 SE 47.5 / 90 2111.00 (+5 -0 =85)
4: Reckless 0.9.0 dev-162f5682 47.0 / 90 2100.00 (+5 -1 =84)
5: PlentyChess 7.0.12 JA 46.0 / 90 2058.00 (+4 -2 =84)
6: Alexandria 8.1.2 JA 45.5 / 90 2034.00 (+5 -4 =81)
7: Berserk 20250622 44.5 / 90 1986.75 (+6 -7 =77)
8: Clover 9.1 JA 43.0 / 90 1937.75 (+2 -6 =82)
9: Viridithas 18.0.0 40.0 / 90 1809.75 (+4 -14 =72)
10: Stormphrax 7.0.0 JA 38.5 / 90 1754.75 (+0 -13 =77)



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