A summary statistics table of previous stages and seasons.
Draw rate, wins
Final draw rate was 53.6%.
The three most common game termination causes were:
38.4% - TCEC win rule
19.6% - SyzygyTB
19.6% - TCEC draw rule
Ginkgo crashed twice in the division, but it was reduced to 16 threads and survived.
Moves per game
There were 16 games longer than 100 moves, the
longest was 244 moves (Game 85, AllieStein - Fritz, draw).
Time per game (hours)
There were 8-ply book openings in this stage chosen by Cato. The first letter of the ECO codes was
distributed as follows:
engines did not have a lot of freedom to choose the opening variant. 78.6%
of the game pairs repeated the same ECO code twice, and 76.8%
repeated the same opening variant. Only in 1.8% of the game pairs (one game pair) the ECO
first letter was not repeated twice.
Reverse pairs, wins
Reverse pairs, same moves
Pairs of reverse games diverged very quickly, 37.5% diverged
out of book, 73.2% of the pairs diverged at most after 1 move. There were many long sequences of repeated moves, the
longest was 25 (!) plys (Ginkgo - rofChade,
games 58 and 86, QGD Chigorin defense, Ginkgo won as white).