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Stockfish 17.1 examines challenger engines (Tests by Jörn Gronemann, 2025.05.18)

In another interesting tournament, Stockfish 17.1 put the best aspiring elite chess engines to the test. Obsidian dev-15.22 JA emerged as the top performer, with Integral 7.0.0-dev also showing strong results. These tests are highly reliable, as each engine played 180 games. More results will be available soon on the website.

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 900 games 
💾 All games CEDR 646.387 games download (01.05.2025)  
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P Engine Score (Tie) +/-/=
1: Stockfish 17.1 113.5/180 9228.00 (+47 -0 =133)
2: Obsidian dev-15.22 JA 106.5/180 8572.50 (+38 -5 =137)
3: Integral 7.0.0-dev 106.0/180 8479.00 (+38 -6 =136)
4: Caissa 1.22 103.5/180 8296.75 (+35 -8 =137)
5: Alexandria-8.0.0 JA 103.0/180 8264.75 (+31 -5 =144)
6: PlentyChess 5.0.0 102.5/180 8180.25 (+32 -7 =141)
7: Horsie 1.1.0 91.5/180 7193.00 (+22 -19 =139)
8: Motor 0.8.0 JA 88.0/180 6835.00 (+25 -29 =126)
9: Revenge 4.0 avx2 82.5/180 6420.00 (+21 -36 =123)
10: Spaghet BologNNese 1.1.3 JA 3.0/180 311.25 (+0 -174 =6)

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