2 x 1. Introduction (3.00 avg depth)
9 x 2. The tricky 5. Nf5 (12.67 avg depth)
19 x 3. 5. Nc6 bc 6. Bd3 (15.26 avg depth)
5 x 4. 5. Nc6 bc 6. Nc3 (12.00 avg depth)
14 x 5. 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 (17.71 avg depth)
4 x 6. 5. Nb3 Bb6 6. Nc3 Nf6 7. Other moves (15.50 avg depth)
5 x 7. 5. Be3 - The tricky 6. Nb5 (14.20 avg depth)
2 x 8. 5. Be3 Qf6 6. c3 Nge7 7. Be2 (13.50 avg depth)
7 x 9. 5. Be3 Qf6 6. c3 Nge7 7. g3 (14.43 avg depth)
8 x 10. 5. Be3 Qf6 6. c3 Nge7 7. Bc4 (16.25 avg depth)
5 x Addendum Jan 2023: 5. Nb3 Bb6 6. a4 (11.80 avg depth)