| Related Openings |
| Durkin's attack |
Na3 |
| Anti-Borg (Desprez) Opening |
h4 |
| Hammerschlag (Fried fox/Pork chop Opening) |
f3, e5, Kf2 |
| Gedult's Opening |
f3 |
| Amsterdam attack |
e3, e5, c4, d6, Nc3, Nc6, b3, Nf6 |
| Van't Kruijs Opening |
e3 |
| Venezolana Opening |
d3, c5, Nc3, Nc6, g3 |
| Valencia Opening |
d3, e5, Nd2 |
| Saragossa Opening |
c3 |
| Crab Opening |
a4, e5, h4 |
| Ware (Meadow Hay) Opening |
a4 |
| Anderssen's Opening |
a3 |
| Novosibirsk Opening |
Nc3, c5, d4, cxd4, Qxd4, Nc6, Qh4 |
| Battambang Opening |
Nc3, e5, a3 |
| Dunst (Sleipner,Heinrichsen) Opening |
Nc3, e5 |
| Amar gambit |
Nh3, d5, g3, e5, f4, Bxh3, Bxh3, exf4 |
| Amar (Paris) Opening |
Nh3 |
| Global Opening |
h3, e5, a3 |
| Clemenz (Mead's, Basman's or de Klerk's) Opening |
h3 |
| Grob - Romford counter-gambit |
g4, d5, Bg2, Bxg4, c4, d4 |
| Grob - Fritz gambit |
g4, d5, Bg2, Bxg4, c4 |
| Grob - Spike attack |
g4, d5, Bg2, c6, g5 |
| Grob's attack |
g4 |
| Benko's Opening - reversed Alekhine |
g3, e5, Nf3 |
| Lasker simul special |
g3, h5 |
| Benko's Opening |
g3 |
| Polish - Outflank Variation |
b4, c6 |
| Polish - Tuebingen Variation |
b4, Nh6 |
| Polish (Sokolsky) opening |
b4 |