Koivisto is back to pole position in the TCEC S21 Qualification League. After twelve rounds Koivisto collected 10,0/12 (eight wins and four draws) and remains the only undefeated engine in the field.
Koivisto is closely followed by the star newcomer ClassicAra with 9,5/12. ClassicAra lost its first game in the event against the rating favorite Booot.
Replay: Booot – CassicAra (Slav Defence) 1-0
A real fight is forming up for the qualification positions. A total of eight engines will advance to L4 with as many as ten engines having a shot at advancing.

Standings after round 12
- Koivisto 10,0/12
2. ClassicAra 9,5/12
3-4. Booot, Stash 8,0/12
5. Cheng 7,5/12
6-8. Nirvana, Amoeba, Invictus 7,0/12
9. Berserk 6,5/12
10. Drofa 5,5/12
11. Bagatur 3,0/12
12. Cheese 2,5/12
13. TomitankChess 1,0/12
14. Francesca 0,5/12
