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Obsidian dev-15.01 SE wins Middle Class Engines Tournament (Tests by Jörn Gronemann, 2025.02.05)

Another big Middle Class Engines tournament - 1140 games. The Obsidian dev-15.01 SE engine won, Dragon 3.3 in second place and PlentyChess 4.0.1 in third place. More tests are underway, results soon on the website.

Chess Engines Diary Team


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"  1140 tournaments games download  
💾 All games CEDR 576.727 games download (01.02.2025)  
@chessenginesdiary

P Engine Score (Tie) +/-/=
1: Obsidian dev-15.01 SE 73.5 / 114 4020.75 (+35 -2 =77)
2: Dragon 3.3 71.0 / 114 3857.25 (+29 -1 =84)
3: PlentyChess 4.0.1 67.5 / 114 3654.50 (+23 -2 =89)
4: Caissa 1.21 67.5 / 114 3653.75 (+23 -2 =89)
5: Integral v6 64.0 / 114 3401.75 (+19 -5 =90)
6: Lizard 11.2.0 63.5 / 114 3441.00 (+19 -6 =89)
7: Stormphrax 6.0.0 63.0 / 114 3334.50 (+21 -9 =84)
8: Viridithas 16.0.0 62.5 / 114 3361.25 (+19 -8 =87)
9: Horsie 1.0.6 JA 62.0 / 114 3326.00 (+16 -6 =92)
10: Alexandria-7.0.14 JA 61.5 / 114 3301.50 (+14 -5 =95)
11: Motor 0.8.0 JA 60.5 / 114 3243.75 (+17 -10 =87)
12: Ethereal 14.25 59.5 / 114 3216.50 (+13 -8 =93)
13: Clover 8.1 JA 59.5 / 114 3193.25 (+14 -9 =91)
14: Velvet 8.1.1 JA 54.0 / 114 2832.75 (+12 -18 =84)
15: Revenge 4.0 53.0 / 114 2846.25 (+11 -19 =84)
16: Chess-System-Tal-2 53.0 / 114 2842.00 (+7 -15 =92)
17: Starzix 6.0 52.5 / 114 2824.75 (+12 -21 =81)
18: Igel 3.6.0 50.5 / 114 2631.75 (+10 -23 =81)
19: Heimdall 1.3.0 27.0 / 114 1453.00 (+3 -63 =48)
20: Deep HIARCS 15.4u 14.5 / 114 817.75 (+1 -86 =27)


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