Season 11 premier division bookless opening summary

The games of first two RRs of the premier division are played without book. Below are a few statistics of the bookless part of the premier division. It is interesting to compare these with the bookless part of division 1.

First move
26/56 (46.4%) start with d4
26/56 46.4%) start with e4
4/56 (7.1%) start with Nf3

By engine:
Andscacs: 1 d4 5 e4 1 Nf3
Chiron: 2 d4 3 e4 2 Nf3
Fire: 7 e4
Fizbo: 4 d4 3 e4
Ginkgo: 5 d4 2 e4
Houdini: 6 d4 1 e4
Komodo: 5 d4 2 e4
Stockfish: 3 d4 3 e4 1 Nf3

Opening by first ECO letter

A - 3 (5.4%), 2 Indian
B - 6 (10.7%), 5 Caro-Kann
C - 20 (35.7%), 16 French variations, only 4 French Exchange.
D - 18 (32.1%), 11 QGD variations
E - 9 (16.1%), 7 Queen's Indian

Decisive games openings

A35 English: Symmetrical, Four Knights
A45 Indian (win in black)
A47 Neo-Queen's Indian (win in black)
B15 Caro-Kann: Tartakower (2 white wins)
C06 French: Tarrasch, Closed  
C07 French: Tarrasch, Open
C11 French: Steinitz, Boleslavsky Variation
C14 French: Classical, Steinitz
C70 Spanish (win in black)
C96 Spanish: Closed, Chigorin, Keres Variation
D02 Queen's Pawn (win in black)
D06 QGD
D24 QGA
D30 QGD
D31 QGD: Janowski Variation
D32 QGD Tarrasch: von Hennig-Schara Gambit
D35 QGD: Exchange 
D37 QGD: Classical (1 white, 1 black)
D44 Semi-Slav: Botvinnik, Lilienthal Variation
E11 Bogo-Indian