Openings by other first moves

Lines that do not start with 1. e4, 1. d4, 1. c4, 1. Nf3, 1. g3, 1. b3, 1. f4, or 1. Nc3.

1. a3 (5)

1. a4 (7)

1. b4 (27)

1. c3 (1)

1. d3 (5)

1. e3 (6)

1. f3 (6)

1. g4 (20)

1. h3 (4)

1. h4 (9)

1. Na3 (4)

1. Nh3 (3)