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Cwtch 5 wins New Engines Test, by Chess Engines Diary, 2026.04.08

Cwtch 5 has won another tournament featuring new chess engine versions. Fizbo 2 JA took second place, while Monolith 3 finished third. Disregard the large rating swings—they are simply due to new engines starting with a baseline rating of 2400.

CEDR 855.782 games download (01.04.2026)

💾 Tournament download with 336 games
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - LucasChess
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"

P Engine CEDR Score (Tie) Chg +/-/=
1: Cwtch 5 2400 53.5 / 84 2067.50 +378 (+24 -1 =59)
2: Fizbo 2 JA 3064 51.5 / 84 1921.25 -42 (+27 -8 =49)
3: Monolith 3 3103 50.0 / 84 1926.00 -84 (+20 -4 =60)
4: Vajolet2 3.1.0 3179 49.0 / 84 1881.25 -151 (+18 -4 =62)
5: Critter 1.6a 3230 46.0 / 84 1810.00  -210 (+16 -8 =60)
6: TomitankChess 6.0 2982 41.5 / 84 1534.75 -84 (+17 -18 =49)
7: AspireBot v2 2400 22.5 / 84 919.00 +67 (+6 -45 =33)
8: Vex 0.4.10 JA 2400 22.0 / 84 920.25 +59 (+3 -43 =38)





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