[testcross]

https://en.wikipedia.org/wiki/TCEC_Season_19

stockfish finished +9 over 100 games.

I don't have any stock in those 2 engines, so I don't care which one is better than the other. At the end as a poor chess player it won't change anything :) It's actually interesting to compare how those two software are evolving and how they got here.

Stockfish is much older. And it took it a lot of hand tuning to reach its current level. It is (or was) full of carefully tested heuristic to give a direction to the computation. It would be very difficult to build an engine like stockfish in a short span.

Leela got there very very quickly. Even if it was not able to win in October, the fact that it got competitive and forced the field to adopt drastic changes in such a short period of time is impressive. It seems to be a good example of how sometimes no using the "best" solution could still be a win. Getting good results after a few months against something that required 10 years of work.

[strenholme]

Thank you for getting back to me with a source. I agree Stockfish had a significant edge over Leela in that contest from a year ago.

Right now, Stockfish is winning in the current TETC, but only by one point (one more win than Leela). https://www.chess.com/events/2021-tcec-20-superfinal Stockfish 12 27.5 - Leela 26.5