Stockfish dev-20250809 recently won a major tournament for new chess engine versions. Spirit 040825 secured second place, and ShashChess 39 finished in third. To provide a benchmark for how these new engines perform, we also included Critter 1.6a in the tests.
CEDR 705.417 games download (01.08.2025)
💾 Tournament download with 960 games
💻HP ENVY i5-8250U 8GB RAM 🖬 GUI-Lucas Chess
👍 #chessenginesdiary Country - Poland, City - Malbork 🕓 Time 3'+3"
| P | Engine | CEDR | Score | (Tie) | Chg | +/-/= |
|---|---|---|---|---|---|---|
| 1: | Stockfish dev-20250809 | 3759 | 85.5 / 120 | 4381.25 | -36 | (+51 -0 =69) |
| 2: | Spirit 040825 | 3750 | 85.0 / 120 | 4357.50 | -24 | (+50 -0 =70) |
| 3: | ShashChess 39 | 3754 | 85.0 / 120 | 4344.25 | -24 | (+50 -0 =70) |
| 4: | YuliGM Pro 20 | 3756 | 82.0 / 120 | 4172.25 | -60 | (+44 -0 =76) |
| 5: | Omega 10 | 3751 | 81.0 / 120 | 4272.50 | -60 | (+42 -0 =78) |
| 6: | PlentyChess 6.0.15 | 3721 | 80.0 / 120 | 4055.50 | -36 | (+43 -3 =74) |
| 7: | Omega 8-M | 3751 | 79.5 / 120 | 4004.00 | -84 | (+42 -3 =75) |
| 8: | Astra 6.1.1 | 2400 | 76.5 / 120 | 3784.50 | +636 | (+40 -7 =73) |
| 9: | Clover 8.2.5 | 3668 | 75.5 / 120 | 3747.00 | -24 | (+38 -7 =75) |
| 10: | Fire 10 mingw | 3583 | 55.5 / 120 | 2510.50 | -120 | (+26 -35 =59) |
| 11: | Pawn 4.0.4 JA | 3539 | 51.5 / 120 | 2187.00 | -72 | (+29 -46 =45) |
| 12: | Patricia 5.0 | 3435 | 41.5 / 120 | 1674.25 | +0 | (+24 -61 =35) |
| 13: | Mr Bob 1.3.0 JA | 3319 | 32.0 / 120 | 1249.50 | +12 | (+15 -71 =34) |
| 14: | Laser 1.8 beta JA | 3293 | 21.5 / 120 | 778.00 | -72 | (+8 -85 =27) |
| 15: | Critter 1.6a | 3230 | 20.0 / 120 | 672.25 | -48 | (+9 -89 =22) |
| 16: | Yakka 1.3 | 3121 | 8.0 / 120 | 286.75 | -132 | (+2 -106 =12) |
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