Here are the results of a tournament featuring 10 chess engines that held the top 10 spots on the CEDR ranking list as of July 1, 2025. Stockfish dev-20250629 won the tournament, with Obsidian dev-16.14 placing second and Dragon 3.3 coming in third. The tests were conducted using Lucas Chess.
CEDR 680.485 games download (01.07.2025)
💾 Tournament download with 360 games
💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Lucas Chess
👍 @chessenginesdiary Country - Poland, City - Malbork 🕓 Time 3'+3"
| P | Engine | CEDR | Score | (Tie) | Chg | +/-/= |
|---|---|---|---|---|---|---|
| 1: | Stockfish dev-20250629 | 3763 | 41.0 / 72 | 1450.00 | +0 | (+10 -0 =62) |
| 2: | Obsidian dev-16.14 | 3740 | 37.5 / 72 | 1342.00 | -7 | (+3 -0 =69) |
| 3: | Dragon 3.3 | 3719 | 37.5 / 72 | 1341.50 | +22 | (+5 -2 =65) |
| 4: | Alexandria 8.0.0 | 3722 | 37.0 / 72 | 1321.75 | +7 | (+4 -2 =66) |
| 5: | Lc0 0.32.0-dev+git.3ca8bc2 | 3704 | 36.5 / 72 | 1305.25 | +29 | (+4 -3 =65) |
| 6: | PlentyChess 6.0.5 JA | 3721 | 36.0 / 72 | 1285.75 | +7 | (+3 -3 =66) |
| 7: | Berserk 20250622 | 3721 | 34.5 / 72 | 1239.50 | -7 | (+2 -5 =65) |
| 8: | Caissa 1.22.1 | 3715 | 34.0 / 72 | 1229.50 | -7 | (+0 -4 =68) |
| 9: | RubiChess 20250606 JA | 3704 | 33.5 / 72 | 1207.00 | +0 | (+2 -7 =63) |
| 10: | Integral 7.0.0 | 3714 | 32.5 / 72 | 1182.25 | -22 | (+0 -7 =65) |
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