Season 19 superfinal statistics

A summary statistics table of previous stages and seasons. 

Draw rate, wins

Final draw rate was 73%.

Game termination

The three most common game termination causes were:

62% - TCEC draw rule
26% - TCEC win rule
8% - SyzygyTB

There were no crashes in the stage.

Moves per game

 

Median= 55.5
Average= 69.1

There were 13 games longer than 100 moves, the longest was 213 moves (Stockfish - Leela, game 10, draw).

Time per game (hours)

 

 
Median= 3:51
Average= 3:45

Openings

There were variable length book openings in this stage chosen by Jeroen. The first letter of the ECO codes was distributed as follows:

 

The engines had almost no freedom to choose the opening variant, all games repeated the same ECO twice, 96% of the game pairs repeated the same opening variant.

Reverse pairs, wins

Reverse pairs, same moves  

Pairs of reverse games diverged much more slowly than usual, only 14% diverged immediately out of book, 42% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 21 plys (Leela - Stockfish games 21 and 22, Ruy Lopez Berlin defense - book was 2-ply 1.e4 e5, two draws)