This is not a secret – computer chess is undergoing an explosive advancement. Just recently Stockfish crossed the 3700 ELO mark, while even 4KiB (4096 bytes) size engines are playing with strength 3100+ (see it to believe it)
Top Chess Engine Championship (TCEC), the world’s premier championship for computer chess, launched its new season with the highly anticipated TCEC Swiss 8 tournament on May 16, 2025, at 19:00 CEST. Featuring 44 of the world’s most advanced chess engines, this event is poised to surpass the record set by last season’s Swiss 7, cementing its status as the strongest chess championship ever. With a lineup of elite engines, cutting-edge hardware, and a global audience of chess enthusiasts, TCEC Swiss 8 promises to deliver a unique show 24/7 over the next months. Follow TCEC Swiss 8 live: Official website / TCEC Chess TV / Lichess / Chessdom live
After 4 double rounds (8 games) there is a surprising leader at TCEC Swiss 8. KomodoDragon leads with 5,5/8, ahead of Lc0, Stockfish, Obsidian, Horsie, Berserk, PlentyChess, Caissa, Stoofvless, Ceres, and Ethereal, all with 5,0/8.
Standings after 4 double rounds
| Rank | Engine Name | Points | Win % | Wins [W/B] | Draws [W/B] | Losses [W/B] |
| 1 | KomodoDragon | 5.5 | 68.75% | 3 [3/0] | 5 [1/4] | 0 [0/0] |
| 2 | Stockfish | 5 | 62.50% | 2 [2/0] | 6 [2/4] | 0 [0/0] |
| 3 | Obsidian | 5 | 62.50% | 2 [2/0] | 6 [2/4] | 0 [0/0] |
| 4 | LCZero | 5 | 62.50% | 2 [2/0] | 6 [2/4] | 0 [0/0] |
| 5 | Horsie | 5 | 62.50% | 3 [3/0] | 4 [1/3] | 1 [0/1] |
| 6 | Berserk | 5 | 62.50% | 2 [2/0] | 6 [2/4] | 0 [0/0] |
| 7 | PlentyChess | 5 | 62.50% | 2 [2/0] | 6 [2/4] | 0 [0/0] |
| 8 | Caissa | 5 | 62.50% | 3 [2/1] | 4 [2/2] | 1 [0/1] |
| 9 | Stoofvlees | 5 | 62.50% | 3 [3/0] | 4 [1/3] | 1 [0/1] |
| 10 | Ceres | 5 | 62.50% | 3 [3/0] | 4 [1/3] | 1 [0/1] |
| 11 | Ethereal | 5 | 62.50% | 3 [3/0] | 4 [1/3] | 1 [0/1] |
| 12 | Booot | 4.5 | 56.25% | 3 [3/0] | 3 [1/2] | 2 [0/2] |
| 13 | Reckless | 4.5 | 56.25% | 3 [3/0] | 3 [1/2] | 2 [0/2] |
| 14 | Starzix | 4.5 | 56.25% | 3 [3/0] | 3 [1/2] | 2 [0/2] |
| 15 | rofChade | 4.5 | 56.25% | 3 [3/0] | 3 [1/2] | 2 [0/2] |
| 16 | Renegade | 4.5 | 56.25% | 1 [1/0] | 7 [3/4] | 0 [0/0] |
| 17 | RubiChess | 4.5 | 56.25% | 3 [3/0] | 3 [1/2] | 2 [0/2] |
| 18 | Texel | 4.5 | 56.25% | 2 [2/0] | 5 [2/3] | 1 [0/1] |
| 19 | Integral | 4.5 | 56.25% | 2 [2/0] | 5 [2/3] | 1 [0/1] |
| 20 | BlackMarlin | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 21 | Uralochka | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 22 | Viridithas | 4 | 50.00% | 1 [1/0] | 6 [3/3] | 1 [0/1] |
| 23 | Clover | 4 | 50.00% | 1 [1/0] | 6 [3/3] | 1 [0/1] |
| 24 | Ginkgo | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 25 | Seer | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 26 | Stormphrax | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 27 | Velvet | 4 | 50.00% | 2 [2/0] | 4 [2/2] | 2 [0/2] |
| 28 | Stash | 3.5 | 43.75% | 1 [1/0] | 5 [3/2] | 2 [0/2] |
| 29 | ScorpioNN | 3.5 | 43.75% | 2 [2/0] | 3 [2/1] | 3 [0/3] |
| 30 | Igel | 3.5 | 43.75% | 2 [2/0] | 3 [2/1] | 3 [0/3] |
| 31 | Arasan | 3.5 | 35.00% | 1 [1/0] | 5 [4/1] | 4 [0/4] |
| 32 | sirius | 3.5 | 43.75% | 1 [1/0] | 5 [3/2] | 2 [0/2] |
| 33 | Minic | 3.5 | 43.75% | 1 [1/0] | 5 [3/2] | 2 [0/2] |
| 34 | Patricia | 3.5 | 43.75% | 1 [1/0] | 5 [3/2] | 2 [0/2] |
| 35 | Altair | 3.5 | 38.89% | 1 [1/0] | 5 [4/1] | 3 [0/3] |
| 36 | ChessFighter | 3.5 | 43.75% | 2 [2/0] | 3 [1/2] | 3 [1/2] |
| 37 | Revenge | 3.5 | 43.75% | 2 [2/0] | 3 [2/1] | 3 [0/3] |
| 38 | Tucano | 3.5 | 43.75% | 1 [1/0] | 5 [3/2] | 2 [0/2] |
| 39 | Lynx | 4 | 40.00% | 1 [1/0] | 6 [4/2] | 3 [0/3] |
| 40 | DeepSjeng | 3 | 37.50% | 1 [1/0] | 4 [3/1] | 3 [0/3] |
| 41 | Weiss | 3 | 37.50% | 1 [1/0] | 4 [3/1] | 3 [0/3] |
| 42 | Princhess | 3 | 30.00% | 0 [0/0] | 6 [5/1] | 4 [0/4] |
| 43 | STRO4K | 3 | 30.00% | 1 [1/0] | 4 [4/0] | 5 [0/5] |
| 44 | ice4 | 3 | 33.33% | 1 [1/0] | 4 [3/1] | 4 [0/4] |
