Season 20 superfinal statistics

A summary statistics table of previous stages and seasons. 

Draw rate, wins

 

Final draw rate was 78%.

Game termination

The three most common game termination causes were:

64% - TCEC draw rule
22% - SyzygyT

11% - Mate

There were no crashes in the stage.

Moves per game

Median= 64
Average= 72.5

There were 17 games longer than 100 moves, the longest was 203 moves (Leela - Stockfish, game 86, draw).

Time per game (hours)

 

Median= 4:01
Average= 3:48

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, 92% of the games repeated the same ECO and the same opening variant twice. Only 2% of the game pairs (one game pair) did not repeat the first letter of the ECO code.

Reverse pairs, wins 

 

Reverse pairs, same moves  

Pairs of reverse games diverged more slowly than usual, 32% diverged immediately out of book, 56% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 19 plys (Stockfish - Leela games 93 and 94, Sicilian dragon, Yugoslav attack, two draws)