The qualifying rounds for the TOP-64 Chess Engine League have concluded. PZChessBot 6.1 took first place, followed by Expositor 5 JA in second and Monty 20260111 in third. These three engines have successfully promoted to League 4. While Arcanum 2.7 finished in fourth, its advancement depends on the upcoming ranking list, as it may still be replaced by another engine.
You can find more information about the CEDR Chess Engine League on the dedicated website - LEAGUE.
CEDR 820.396 games download (01.02.2026)
💾 Tournament download with 264 games
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI - Aquarium
#chessenginesdiary Country - Poland, City - Malbork 🕓 Time 3'+3"
| P | Engine | CEDR | Score | (Tie) | Chg | +/-/= |
|---|---|---|---|---|---|---|
| 1: | PZChessBot 6.1 | 2400 | 8.0 / 11 | 71.5 | +68 | (+5 -0 =6) |
| 2: | Expositor 5 JA | 3373 | 7.5 / 11 | 73.0 | -6 | (+5 -1 =5) |
| 3: | Monty 20260111 | 3426 | 7.5 / 11 | 72.0 | -6 | (+4 -0 =7) |
| 4: | Arcanum 2.7 | 3321 | 7.0 / 11 | 74.0 | +4 | (+3 -0 =8) |
| 5: | Odonata 1.1.0 | 3302 | 7.0 / 11 | 72.0 | +8 | (+3 -0 =8) |
| 6: | Stash 37.10 JA | 3419 | 7.0 / 11 | 68.5 | -10 | (+4 -1 =6) |
| 7: | Minke 4.0.0 | 2400 | 6.5 / 11 | 69.0 | +51 | (+4 -2 =5) |
| 8: | Mr Bob 1.3.0 | 3366 | 6.5 / 11 | 67.0 | -19 | (+4 -2 =5) |
| 9: | Cataphract 1.2 JA | 2400 | 6.5 / 11 | 66.5 | +48 | (+3 -1 =7) |
| 10: | Cheng 4.48 | 3449 | 6.5 / 11 | 66.5 | -23 | (+3 -1 =7) |
| 11: | Weiss 2.1 JA | 3443 | 6.5 / 11 | 65.5 | -20 | (+3 -1 =7) |
| 12: | Lynx 1.11.0 | 3276 | 6.5 / 11 | 62.5 | +1 | (+3 -1 =7) |
| 13: | Leorik 3.2 | 2993 | 6.5 / 11 | 61.5 | +36 | (+4 -2 =5) |
| 14: | Lozza 10 | 2847 | 6.5 / 11 | 61.5 | +46 | (+5 -3 =3) |
| 15: | Sapling 1.2.6 | 3100 | 6.0 / 11 | 74.0 | +22 | (+2 -1 =8) |
| 16: | Frozenight 7.0.0 JA | 3328 | 6.0 / 11 | 66.5 | -4 | (+3 -2 =6) |
| 17: | Maelstrom 3.3.0 | 3327 | 6.0 / 11 | 64.0 | -6 | (+4 -3 =4) |
| 18: | RukChess 4.2.0 JA | 3331 | 6.0 / 11 | 61.5 | -17 | (+3 -2 =6) |
| 19: | Pedantic 2.1.0 | 3369 | 6.0 / 11 | 61.5 | -14 | (+1 -0 =10) |
| 20: | Lambergar 1.3 | 3372 | 6.0 / 11 | 60.5 | -18 | (+3 -2 =6) |
| 21: | Defenchess 2.3 JA | 3306 | 6.0 / 11 | 59.5 | -8 | (+3 -2 =6) |
| 22: | Orion 1.1 | 3084 | 6.0 / 11 | 56.5 | +29 | (+3 -2 =6) |
| 23: | Jet 1.2 | 3244 | 5.5 / 11 | 65.0 | -2 | (+3 -3 =5) |
| 24: | Avalanche 2.1.0 | 3367 | 5.5 / 11 | 61.5 | -24 | (+3 -3 =5) |
| 25: | Clockwork dev-20260203 | 2400 | 5.5 / 11 | 61.5 | +41 | (+4 -4 =3) |
| 26: | Kuma 1.2 | 3289 | 5.5 / 11 | 60.0 | -20 | (+3 -3 =5) |
| 27: | Counter 5.5 | 3399 | 5.5 / 11 | 59.0 | -32 | (+1 -1 =9) |
| 28: | Zahak 10 JA | 3325 | 5.5 / 11 | 56.0 | -20 | (+3 -3 =5) |
| 29: | Yakka 1.5 | 2894 | 5.5 / 11 | 55.0 | +39 | (+3 -3 =5) |
| 30: | DanaSah 9.1 JA | 3249 | 5.5 / 11 | 54.5 | +1 | (+3 -3 =5) |
| 31: | ChessBrainVB 4.03 | 3205 | 5.5 / 11 | 54.0 | +15 | (+3 -3 =5) |
| 32: | Mittens 0.9 | 3178 | 5.5 / 11 | 50.0 | -13 | (+4 -4 =3) |
| 33: | Flounder 0.5.0.2 | 3218 | 5.5 / 11 | 48.0 | -19 | (+3 -3 =5) |
| 34: | Nalwald ab11891 | 3315 | 5.0 / 11 | 62.5 | -23 | (+2 -3 =6) |
| 35: | Prune 3.1.0 JA | 2400 | 5.0 / 11 | 62.0 | +37 | (+0 -1 =10) |
| 36: | Demolito 2025-12-16 | 3236 | 5.0 / 11 | 59.5 | -20 | (+3 -4 =4) |
| 37: | Xiphos 0.6.1 JA | 3356 | 5.0 / 11 | 58.0 | -24 | (+2 -3 =6) |
| 38: | Petrel 3.3 JA | 2400 | 5.0 / 11 | 55.5 | +37 | (+2 -3 =6) |
| 39: | Princhess 0.21.0 | 3186 | 5.0 / 11 | 46.5 | -19 | (+4 -5 =2) |
| 40: | Drofa 4.1.1 JA | 3285 | 4.5 / 11 | 63.0 | -26 | (+2 -4 =5) |
| 41: | Priessnitz 2.0.1 JA | 2400 | 4.5 / 11 | 59.5 | +33 | (+2 -4 =5) |
| 42: | Aku 2025.7.9 | 3179 | 4.5 / 11 | 55.5 | -8 | (+1 -3 =7) |
| 43: | Laser 1.8 beta JA | 3292 | 4.5 / 11 | 52.5 | -34 | (+3 -5 =3) |
| 44: | Svart 6 b2c7255 JA | 3270 | 4.5 / 11 | 50.0 | -40 | (+2 -4 =5) |
| 45: | Wahoo 4.0.0 | 3137 | 4.0 / 11 | 51.0 | -14 | (+3 -6 =2) |
| 46: | Senpai 3.0.2 | 3162 | 2.0 / 11 | 51.5 | -33 | (+2 -9 =0) |
| 47: | MIDA 2.3.1 JA | 3036 | 1.0 / 11 | 50.0 | -26 | (+1 -10 =0) |
| 48: | Polaris 1.8.1 | 3067 | 0.0 / 11 | 47.5 | -36 | (+0 -11 =0) |
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