A57-A59

 
A57
1.d4 Nf6 2.c4 c5 3.d5 b5 Benko Gambit:
4.cxb5 a6 Benko Gambit: Half-Accepted
4.cxb5 a6 5.Nc3 Benko Gambit: Half-Accepted (Zaitsev)
4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6 8.Bc4 Benko Gambit: Half-Accepted (Nescafé Frappe)
 
A58
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Benko Gambit: Accepted
5…Bxa6 6.Nc3 d6 7.Nf3 g6 8.g3 Benko Gambit: Accepted (Fianchetto)
 
A59
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Benko Gambit: Yugoslav
7…Bxf1 8.Kxf1 g6 9.g3 Bg7 10.Kg2 0-0 11.Nf3 Benko Gambit: Yugoslav (King Walk)