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Cool Iris 15 wins Strong Engines Tournament, Tests by Jörn Gronemann, 2026.05.07

 


Cool Iris 15 once again won the tournament for strong chess engines. DarkSeid 11.1 SE took second place and SpecTral 15 took third.

CEDR 871.259 games download (01.05.2026)

🕒🕒Time 3'+3"   Tournament download with 720 games 
#chessenginesdiary
GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs, book,  6TBs. 

P Engine Score (Tie) +/-/=
1: Cool Iris 15 48.5 / 90 2172.25 (+8 -1 =81)
2: DarkSeid 11.1 SE 47.5 / 90 2124.25 (+7 -2 =81)
3: SpecTral 15 47.0 / 90 2107.00 (+4 -0 =86)
4: Dark SisTer 15 46.5 / 90 2085.50 (+5 -2 =83)
5: CorChess 20260419 45.5 / 90 2039.00 (+4 -3 =83)
6: YuliGM Pro 20 45.0 / 90 2024.00 (+1 -1 =88)
7: ShashChess 41 45.0 / 90 2023.25 (+3 -3 =84)
8: JigSaw 8.1 45.0 / 90 2022.75 (+4 -4 =82)
9: Artemis 30.2TR PrO 45.0 / 90 2022.00 (+4 -4 =82)
10: Reckless 0.10.0 dev-7300f044 44.5 / 90 2002.25 (+3 -4 =83)
11: Sky II 44.0 / 90 1984.00 (+1 -3 =86)
12: SF TACTICAL 050526 44.0 / 90 1979.00 (+3 -5 =82)
13: YuliGM 2026 43.5 / 90 1956.75 (+2 -5 =83)
14: Stockfish dev-20260504 43.0 / 90 1939.75 (+0 -4 =86)
15: Stockfish 18 JA 43.0 / 90 1938.75 (+2 -6 =82)
16: PlentyChess 7.0.66 43.0 / 90 1938.00 (+2 -6 =82)


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