A summary statistics table of previous stages and seasons.
Draw rate, wins
Final draw rate was 52%.
Game termination
The three most common game termination causes were:
48% - TCEC draw rule21% - Mate
Moves per game
Median= 79
Average= 83.7
There were 24 games longer than 100 moves, the longest was 167 moves (Stockfish - Leela, game 100, draw).
Time per game (hours)
Median= 4:21
Average= 4:16
Openings
There were variable length book openings in this stage chosen by Jeroen Noomen. The first letter of the ECO codes was distributed as follows:
The engines had almost no freedom to choose the opening variant, all the game pairs repeated the same ECO and the same opening variant twice.
Reverse pairs, wins
Reverse pairs, same moves
Pairs of reverse games diverged slower than usual, 12% diverged immediately out of book, 54% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 25 plys (Leela - Stockfish games 85 and 86, English opening, two white wins).
Intresting to plot if these statistics show any changes over the last few sessons or if tcec, the opening book selecter and the engines too keep thing stable.
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