Dark SisTer 15.6 and SF-POLY 090626 wins Strong Engines Tournament, Tests by Jörn Gronemann, 2026.06.10

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Dark SisTer 15.6 and SF-POLY 090626 won the latest tournament of the strongest chess engines with identical results. CorChess 20260521 is holding up well, taking 3rd place.

CEDR 885.750 games download (01.06.2026)

🕒🕒Time 3'+3"   Tournament download with 612 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) +/-/=
1-2Dark SisTer 15.6 35.5 / 68 1202.50 (+3 -0 =65)
1-2SF-POLY 090626 35.5 / 68 1202.50 (+3 -0 =65)
3: CorChess 20260521 35.0 / 68 1188.00 (+2 -0 =66)
4: Artemis 31 TRPrO 34.5 / 68 1171.50 (+1 -0 =67)
5: SF-CorChess 080626 34.5 / 68 1171.25 (+2 -1 =65)
6: Sky SE 34.5 / 68 1170.75 (+2 -1 =65)
7: Stockfish dev-20260609 34.5 / 68 1170.00 (+2 -1 =65)
8: SpecTral 15.6 34.0 / 68 1156.00 (+0 -0 =68)
9: DarkSeid 11.8 SE 34.0 / 68 1156.00 (+0 -0 =68)
10: ShashChess 41.1 34.0 / 68 1156.00 (+0 -0 =68)
11: Stockfish 18 34.0 / 68 1156.00 (+0 -0 =68)
12: Private19sf 2.70_VICE 34.0 / 68 1155.50 (+1 -1 =66)
13: Hlamnick 230526 33.5 / 68 1139.00 (+1 -2 =65)
14: TACTICAL 090626 33.5 / 68 1138.50 (+1 -2 =65)
15: Kookaburra 3.11 33.0 / 68 1124.00 (+0 -2 =66)
16: Reckless 0.10.0 dev-7300f044 33.0 / 68 1123.50 (+0 -2 =66)
17: PlentyChess 7.0.66 33.0 / 68 1123.00 (+0 -2 =66)
18: Cool Iris 15 32.0 / 68 1090.00 (+0 -4 =64)


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