Related Openings
Czech Benoni - King's Indian system	d4, Nf6, c4, c5, d5, e5, Nc3, d6, e4, g6
Czech Benoni defense	d4, Nf6, c4, c5, d5, e5
Benoni defense, Hromodka system	d4, Nf6, c4, c5, d5, d6