Stockfish and Naum share the lead at TCEC Stage 1b after six rounds. Both engines have 5,0/6, having drawn each other in round 2, and each drawing Spike.
The second seeded Fire 3.1, which was leading the competition at earlier rounds, lost its direct match against Stockfish. Fire remains at sole third position with 4,0/6, half a point ahead of Nightmare 7.8, and a full point ahead of Shredder, Tornado, and Spike.
The lowest rated engine in the field – Nebula 2 – continues to bring surprises. With ELO of only 2097, it defeated Jazz (2371) and drew with Tornado (2809). Its next opponents are Toga, Spike, Naum, and Exchess.