Season 23 league 1 statistics

A summary statistics table of previous stages and seasons.  

Draw rate, wins

Final draw rate was 58.0%. 

Game termination

The three most common game termination causes were:
43.9% - TCEC draw rule
32.6% - SyzygyTB
13.6% - Mate

There was one crash in the stage, ScorpioNN lost on time against Minic in a winning position.

Moves per game

Median= 72.0
Average= 80.9

There were 48 games longer than 100 moves, the longest was 231 moves (Ethereal - Arasan, game 148, draw; and RubiChess - Koivisto, game 222, draw). 

Time per game (hours)

Median= 1:04
Average= 1:03

Openings

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

The engines almost no freedom to choose the opening variant, 99.2% of the game pairs repeated the same ECO code and 98.5% repeated the opening variant twice. In all the game pairs the first letter of the ECO code was repeated.

Reverse pairs, wins

Reverse pairs, same moves

Pairs of reverse games diverged less quickly than usual, only 19.7% diverged immediately out of book, 53.8% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 16 plys (Fritz - Ethereal, games 22 and 88, Scandinavian defence, Ethereal won as white)