Obsidian dev-16.08 wins Middle Class Engines Tournament (Tests by Jörn Gronemann, 2025.06.19)

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Another big Middle Class Engines Tournament. Obsidian dev-16.08 won, PlentyChess 6.0.0 JA in 2nd place and Alexandria-8.0.0 JA in 3rd. More results in a few days, after a short vacation.

GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs book,  6TBs.

🕒🕒Time 3'+3"  Tournament download with 910 games
💾 All games CEDR 664.406 games download (01.06.2025)  
@chessenginesdiary

P Engine Score (Tie) +/-/=
1: Obsidian dev-16.08 75.5 / 130 4803.00 (+21 -0 =109)
2: PlentyChess 6.0.0 JA 71.5 / 130 4560.25 (+15 -2 =113)
3: Alexandria-8.0.0 JA 70.0 / 130 4515.00 (+10 -0 =120)
4: Berserk 20250606 70.0 / 130 4491.50 (+13 -3 =114)
5: Integral 7.0.0-dev 69.5 / 130 4459.25 (+12 -3 =115)
6: Horsie 1.1.0 67.0 / 130 4265.25 (+15 -11 =104)
7: RubiChess 2025.06.06 JA 66.5 / 130 4261.25 (+9 -6 =115)
8: Caissa 1.22 JA 66.0 / 130 4244.50 (+8 -6 =116)
9: Motor 0.9.0 65.0 / 130 4182.25 (+10 -10 =110)
10: Stormphrax 62.5 / 130 4024.75 (+6 -11 =113)
11: Starzix 6.1 JA 61.5 / 130 3958.50 (+7 -14 =109)
12: Fritz 20 59.5 / 130 3855.50 (+6 -17 =107)
13: Clover 8.1.16 58.0 / 130 3760.50 (+2 -16 =112)
14: Fire 9.3 JA 47.5 / 130 3134.50 (+3 -38 =89)

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