Wednesday, May 1, 2019

Season 15 premier division statistics

A summary statistics table of previous stages and seasons. 

Draw rate, wins

Final draw rate was 75%.

Game termination

The three most common game termination causes were:
38.7% - TCEC draw rule
24.4% - TCEC win rule
20.2% - SyzygyTB

KomodoMCTS crashed once in the division.

Moves per game

Median= 69.8
Average= 80.8

There were 38 games longer than 100 moves, the longest was 217 moves (Game 112, Komodo - Leela, draw).

Time per game (hours)

Median= 2:59
Average= 2:51


There were 16-ply book openings in this stage chosen by Cato. The first letter of the ECO codes was distributed as follows:

The engines had almost no freedom to choose the opening variant. Indeed, all of the game pairs repeated the same ECO code twice, and repeated the same opening variant.

Reverse pairs, wins

Reverse pairs, same moves   

Pairs of reverse games diverged very quickly, 40.5% diverged immediately out of book, 75% of the pairs diverged at most after 1 move. The longest repeated sequence was 11 plys (Komodo - Houdini, games 134 and 162, Sicilian Kan variation, two draws).

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