The section of Pritchard's Classified Encyclopedia of Chess Variants for Boards based on hexagons mentions that the 9-rank board with Pawns on the 3rd and 7th ranks is a revision of the original variant. So, this should probably be called De Vasa's Hexagonal Chess II.
The section of Pritchard's Classified Encyclopedia of Chess Variants for Boards based on hexagons mentions that the 9-rank board with Pawns on the 3rd and 7th ranks is a revision of the original variant. So, this should probably be called De Vasa's Hexagonal Chess II.