Stockfish dev-20260625 won another elite chess engine tournament. Cool Iris 16 took second place, and Pawnocchio 2.0.1 took third (perhaps unexpectedly).
The Stockfish dev-20260625 build looks very successful, we wonder if it should replace Strockfish 18 in the next edition of the Chess Engine League?
CEDR 903.628 games download (01.07.2026)
💾 Tournament download with 612 games
💻 HP ENVY i5-8250U 8GB RAM 🖬 GUI - Fritz 17
#chessenginesdiary Country - Poland, City - Malbork 🕓 Time 3'+3"
| P | Engine | Score | (Tie) | +/-/= |
|---|---|---|---|---|
| 1: | Stockfish dev-20260625 | 47.5 / 68 | 1430.75 | (+27 -0 =41) |
| 2: | Cool Iris 16 | 44.5 / 68 | 1344.00 | (+21 -0 =47) |
| 3: | Pawnocchio 2.0.1 | 44.0 / 68 | 1325.75 | (+20 -0 =48) |
| 4: | Halogen 16.7.2 | 43.0 / 68 | 1281.25 | (+19 -1 =48) |
| 5: | Viridithas 20.0.0 | 42.5 / 68 | 1258.25 | (+18 -1 =49) |
| 6: | Viridithas 20.0.0 JA | 42.5 / 68 | 1240.50 | (+19 -2 =47) |
| 7: | PlentyChess 8.0.0 | 41.5 / 68 | 1268.50 | (+15 -0 =53) |
| 8: | Triumviratus 5.0 | 41.5 / 68 | 1232.50 | (+17 -2 =49) |
| 9: | Raphael 4.2.0 | 39.5 / 68 | 1143.50 | (+18 -7 =43) |
| 10: | Renegade 1.3.0 JA | 38.0 / 68 | 1114.50 | (+13 -5 =50) |
| 11: | Heimdall 1.5.0 | 37.5 / 68 | 1097.00 | (+13 -6 =49) |
| 12: | Chess System Tal 2.07 E1019 | 37.5 / 68 | 1095.50 | (+13 -6 =49) |
| 13: | PZChessBot 7.1 | 37.0 / 68 | 1089.75 | (+11 -5 =52) |
| 14: | Rose 1.0.0 | 26.0 / 68 | 698.25 | (+8 -24 =36) |
| 15: | Sapling 1.2.7 | 22.0 / 68 | 571.50 | (+6 -30 =32) |
| 16: | Avalanche 3.0.0 | 19.0 / 68 | 471.50 | (+5 -35 =28) |
| 17: | JustBot 0.2.0 | 5.5 / 68 | 50.00 | (+3 -60 =5) |
| 18: | Prune HCE 4.0.0 | 3.0 / 68 | 78.50 | (+0 -62 =6) |
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