Stockfish 17.1 wins Elite Engines Test by Chess Engines Diary, 12.09.2026

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Stockfish 17.1 has claimed victory in a recent tournament for top-tier chess engines. Surprised? Not really, as we don’t think it’s seen any major boost in playing strength since its release. Stockfish 20260825 Ivec came in second, with Halogen 16.8.0 securing third place.

CEDR 903.628 games download (until 30.06.2026)
All Games 85.078 CEDR from 01.09.2026 download.
💾 Tournament games: 684 download
💻 Dell G15 SE, i7-11800H RAM 16,0 GB  🖬 GUI - Myracle, book:avt-2026b
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"

P Engine Score (Tie) +/-/=
1: Stockfish 17.1 46.5 / 72 1527.25 (+22 -1 =49)
2: Stockfish 20260825 Ivec 45.5 / 72 1544.50 (+19 -0 =53)
3: Halogen 16.8.0 45.0 / 72 1487.25 (+19 -1 =52)
4: Stockfish 19 44.5 / 72 1495.50 (+17 -0 =55)
5: Cool Iris 18 44.5 / 72 1479.25 (+17 -0 =55)
6: Raid 7.5 44.0 / 72 1470.75 (+16 -0 =56)
7: Gaia 4.3.0 43.5 / 72 1457.50 (+15 -0 =57)
8: Reckless 0.10.0 dev-26.08.2026 43.5 / 72 1442.50 (+18 -3 =51)
9: Artemis 44TR_PrO 43.0 / 72 1460.75 (+14 -0 =58)
10: Quanticade Phoenix 4.0 dev-260810 41.5 / 72 1360.50 (+14 -3 =55)
11: Caissa 1.26 JA 38.0 / 72 1271.00 (+9 -5 =58)
12: Igel 3.7.0 JA 35.0 / 72 1167.50 (+7 -9 =56)
13: Tcheran 13.0 33.0 / 72 1059.50 (+9 -15 =48)
14: Arasan 26.0 30.0 / 72 969.75 (+6 -18 =48)
15: Thrawn 3.2 28.5 / 72 963.75 (+2 -17 =53)
16: Avalanche 4.0.0 24.5 / 72 788.25 (+4 -27 =41)
17: Rodent V 1.2 21.5 / 72 691.50 (+3 -32 =37)
18: Clockwork 20260826 17.5 / 72 582.25 (+2 -39 =31)
19: Tunguska 2.2 14.5 / 72 469.75 (+1 -44 =27)


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