Season 19 qualification league statistics

 A summary statistics table of previous stages and seasons. 

Draw rate, wins

Final draw rate was 47.7%.

Game termination

The three most common game termination causes were:

29.5% - TCEC win rule
28.0% - SyzygyTB
23.5% - TCEC draw rule

There were no crashes in the stage.

Moves per game

Median= 60.8
Average= 69.3

There were 18 games longer than 100 moves, the longest was 232 moves (Asymptote - Combusken, game 84, draw).

Time per game (hours) 

Median= 1:05
Average= 1:05

Openings

There were 2-move book openings in this stage chosen by Cato. The first letter of the ECO codes was distributed as follows:

 

The engines had a lot of freedom to choose the opening variant. Only 56.1% of the game pairs repeated the same ECO code twice, and only 53.0% repeated the same opening variant. However, only in 6.1% of the game pairs the ECO first letter was not repeated twice.

Reverse pairs, wins

Reverse pairs, same moves 

Pairs of reverse games diverged very quickly, 39.4% diverged immediately out of book, 69.7% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 14 plys (Bagatur - Tucano, games 42 and 108, Budapest opening, Rubinstein variation, Tucano won as white and drew as black)