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Cool Iris 15 wins Strong Engines Tournament, (Tests by Jörn Gronemann, 2026.05.04)

 


Cool Iris 15 once again won the tournament of powerful chess engines. Sky II took second place and YuliGM Pro 20 took third.

CEDR 871.259 games download (01.05.2026)

🕒🕒Time 3'+3"   Tournament download with 960 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 62.0 / 120 3709.50 (+6 -2 =112)
2: Sky II 62.0 / 120 3707.50 (+7 -3 =110)
3: YuliGM Pro 20 61.5 / 120 3684.50 (+9 -6 =105)
4: Stockfish 18 JA 61.0 / 120 3657.50 (+4 -2 =114)
5: DarkSeid 11 SE 61.0 / 120 3652.50 (+5 -3 =112)
6: Artemis 30.2TR PrO 60.5 / 120 3629.00 (+5 -4 =111)
7: Private 19sf 2.63 VICE 60.0 / 120 3601.25 (+2 -2 =116)
8: SF TACTICAL 270426 60.0 / 120 3596.50 (+2 -2 =116)
9: SpecTral 15 60.0 / 120 3595.25 (+5 -5 =110)
10: CorChess 20260419 59.5 / 120 3572.00 (+2 -3 =115)
11: Stockfish dev-20260426 59.5 / 120 3570.75 (+4 -5 =111)
12: JigSaw 8.1 59.0 / 120 3543.75 (+2 -4 =114)
13: SF-PRO2 30.03.2026 59.0 / 120 3542.75 (+1 -3 =116)
14: Hlamnick 260426 59.0 / 120 3542.50 (+3 -5 =112)
15: ShashChess 41 58.5 / 120 3512.75 (+2 -5 =113)
16: YuliGM 2026 57.5 / 120 3457.50 (+3 -8 =109)


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