Critter 1.6a wins Aquarium New Engines Test 27.06.2025


This is another tournament of new versions of amateur chess engines. The benchmark engine is Critter 1.6a, a product that is already 11 years old!

And this time Critter was merciless, winning the tournament with a clear advantage, losing only one game.

In second place Aku 2025.22.5 JA and in third engine Meltdown 1.8 JA. More results soon on the website.

CEDR 664.406 games download (01.06.2025)

💾 Tournament download with 132 games
💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Aquarium
👍 @chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3" 

Pl Engines 1 2 3 4 5 6 7 8 9 10 11 12 Score SB
1 Critter 1.6a 1 = 1 1 = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 20.0 190.8
2 Aku 2025.22.5 JA 0 = = = 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 18.5 164.5
3 Meltdown 1.8 JA 0 0 = = 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 17.5 151.0
4 PZChessBot 2.0 JA = 1 0 = 0 = 1 0 0 = 1 1 1 1 1 1 1 1 1 1 1 1 16.0 136.8
5 Fridolin 4.00 JA 0 0 = 0 0 = 0 1 = 1 = 1 1 = 1 1 = 1 1 1 1 1 14.0 108.0
6 Razer 0.0 JA 0 0 0 0 0 0 1 = = 0 1 0 0 = 1 1 1 1 1 1 1 1 11.5 75.0
7 Kraken 2025-06-16 0 0 0 0 0 0 0 0 = 0 0 1 1 1 1 1 1 1 1 1 1 1 11.5 64.5
8 Freda 1.1 JA 0 0 0 0 0 = 0 0 0 = 1 = 0 0 1 0 1 1 = 1 1 1 9.0 53.0
9 Emerald 0.3.0 JA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 = = 1 1 1 1 6.0 21.0
10 Mister Queen 1.0 JA 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 = = = 0 1 1 4.0 15.0
11 Ironfang 1.0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 1 1 1 4.0 10.5
12 Lunar 0.2.1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0.0


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