A summary statistics table of previous stages and seasons.
Draw rate, wins
Final draw rate was 42.9%.
Game termination
The three most common game termination causes were:
39.3% - SyzygyTB
33.0% - TCEC draw rule
23.2% - Mate
There were no crashes in the stage.
Moves per game
Median= 71.8
Average= 75.9
There were 14 games longer than 100 moves, the longest was 212 moves (Defenchess - Igel, game 68, draw).
Time per game (hours)
Median= 1:39
Average= 1:37
Openings
There were variable length book openings in this stage chosen by Bastiaan Braams. The first letter of the ECO codes was distributed as follows:
The engines had almost no freedom to choose the opening variant, all of the game pairs repeated the same ECO code twice, all but one repeated the same opening variant twice.
Reverse pairs, wins
Openings were heavily biased in favor of white, there were a lot more biased 1-1 results than usual.
Reverse pairs, same moves
Pairs of reverse games diverged very quickly, only 23.2% diverged immediately out of book, 69.6% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 17 plys (RubiChess - Xiphos, games 10 and 38, Sicilian dragon, Yugoslav attack, Rauser variation, two white wins)
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