Draw rate, wins
Final draw rate was 56.3%.
Game termination
The three most common game termination causes were:
34.2% - TCEC win rule
30% - TCEC draw rule
21.7% - SyzygyTB
There were 6 crashes in the stage: Wasp crashed 3 times and was disqualified, Minic, Pirarucu and Pedone each crashed once.
Moves per game
Median= 58.8
Average= 63.8
There were 23 games longer than 100 moves, the longest was 141 moves (PeSTO - Igel, game 87, and Minic - RubiChess, game 201, both draws).
Time per game (hours)
Median= 1:01
Average= 1:01
Openings
There were 6-move book openings in this stage chosen by Cato. The first letter of the ECO codes was distributed as follows:
The engines had less freedom to choose the opening variant, 84.2% of the game pairs repeated the same ECO code twice, and 76.7% repeated the same opening variant. In all but one of the game pairs the ECO first letter was repeated twice.
Reverse pairs, wins
Reverse pairs, same moves
Pairs of reverse games diverged very quickly, 39.2% diverged immediately out of book, 73.3% of the pairs diverged at most after 1 move. The longest repeated sequence of moves was 14 plys (Igel - iCE games 90 and 210, Two knights defence, two draws)
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