Esox II wins Best Engines Test, 2026.01.18-23

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Esox II wins another tournament of top chess engines by a wide margin. Artemis 23TR PrO came in second, and Revolution 4.50 came in third. Reckless 0.9.0 dev-2a847427, the best engine without Stockfish code, achieved a good result.

CEDR 804.617 games download (01.01.2026)

💾 Tournament download with 612 games
💻 HP ENVY i5-8250U 8GB RAM  🖬 GUI - Fritz 17
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"

P Engine Score (Tie) +/-/=
1: Esox II 41.0 / 68 1295.00 (+14 -0 =54)
2: Artemis 23TR PrO 38.5 / 68 1235.75 (+9 -0 =59)
3: Revolution 4.50 38.0 / 68 1225.00 (+8 -0 =60)
4: Wordfish 3.80 37.5 / 68 1209.75 (+7 -0 =61)
5: DarkSeid 7.7 EE 37.5 / 68 1204.25 (+7 -0 =61)
6: HypnoS 1.00 37.5 / 68 1202.00 (+7 -0 =61)
7: Stockfish dev-20260118 37.0 / 68 1199.75 (+6 -0 =62)
8: Stockfish dev-20260101 36.5 / 68 1179.00 (+5 -0 =63)
9: SF-POLY 181225 36.5 / 68 1176.00 (+5 -0 =63)
10: Steel Fighter III 36.5 / 68 1173.25 (+6 -1 =61)
11: DON dev-20260107 36.0 / 68 1173.75 (+4 -0 =64)
12: JudaS 1.0.1 36.0 / 68 1166.75 (+5 -1 =62)
13: Reckless 0.9.0 dev-2a847427 35.5 / 68 1174.50 (+3 -0 =65)
14: Viridithas 19.0.1 35.5 / 68 1143.00 (+6 -3 =59)
15: Caissa 1.24 JA 32.0 / 68 1043.75 (+3 -7 =58)
16: Uralochka 3.42a 30.0 / 68 948.00 (+5 -13 =50)
17: Pawnocchio 1.9.1 24.0 / 68 823.00 (+2 -22 =44)
18: RukChess 4.2.0 JA 6.5 / 68 197.00 (+2 -57 =9)


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