Obsidian 16.01 wins Middle Class Engines Tournament (Tests by Jörn Gronemann, 2025.04.28)

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Tournament of the best chess engines that are not based on Stockfish code. Obsidian 16.01 won, Alexandria 8.0.0 JA in second place and Integral 7.0.0 JA in third. More test results soon.

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 468 games 
💾 All games CEDR 646.387 games download (01.05.2025)  
@chessenginesdiary

P Engine Score (Tie) +/-/=
1: Obsidian 16.01 84.0 / 140 5660.50 (+28 -0 =112)
2: Alexandria 8.0.0 JA 77.5 / 140 5232.50 (+19 -4 =117)
3: Integral 7.0.0 JA 74.0 / 140 5023.75 (+14 -6 =120)
4: Berserk 20250307b JA 73.0 / 140 4966.50 (+11 -5 =124)
5: Caissa 1.22 71.5 / 140 4901.50 (+10 -7 =123)
6: Horsie 1.1.0 67.5 / 140 4678.25 (+6 -11 =123)
7: Fritz 20 62.5 / 140 4422.25 (+2 -17 =121)
8: Koivisto 9.2 JA 50.0 / 140 3572.75 (+2 -42 =96)


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