Season 23 league 2 statistics

A summary statistics table of previous stages and seasons.  

Draw rate, wins

Final draw rate was 65.9%. 

Game termination

The three most common game termination causes were:

50.0% - TCEC draw rule
25.4% - SyzygyTB
12.5% - Mate

There were two crashes in the stage, Wasp crashed in both cases, once in a winning position and once in a losing position.

Moves per game

Median= 63.0
Average= 66.8

There were 29 games longer than 100 moves, the longest was 158 moves (BlackMarlin - Marvin, game 21, draw). 

Time per game (hours)

Median= 1:01
Average= 0:59

Openings

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

The engines had some freedom to choose the opening variant, 88.6% of the game pairs repeated the same ECO code and 81.1% repeated the opening variant twice. Only in 1.5% of the game pairs the first letter of the ECO code was not repeated.

Reverse pairs, wins

Reverse pairs, same moves

Pairs of reverse games diverged quickly, 25.8% diverged immediately out of book, 59.1% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 10 plys (Nemorino - Velvet, games 189 and 255, QGD Stonewall variation, two draws)