| Notation | Opening | % Correct |
|---|---|---|
| 1. e4 | King's Pawn | 92%
|
| 1. d4 | Queen's Pawn | 90%
|
| 1. c4 | English | 74%
|
| 1. Nf3 | Zukertort | Réti | 64%
|
| 1. b4 | Sokolsky | Orangutan | Polish | 54%
|
| 1. f4 | Bird's | 49%
|
| 1. g3 | King's Fianchetto | Benko's | Hungarian | Barcza | Bilek | 44%
|
| 1. b3 | Larsen's | Nimzo–Larsen | Queen's Fianchetto | Nimzowitsch–Larsen | 41%
|
| 1. Na3 | Durkin | Sodium | 36%
|
| 1. Nc3 | Dunst | Heinrichsen | Baltic | Van Geet | Sleipnir | Kotrč's | Meštrović | Romanian | Queen's Knight | Millard's | Knight on the Left | Linksspringer | 33%
|
| 1. e3 | Van 't Kruijs | 31%
|
| 1. a4 | Ware | Meadow Hay | 31%
|
| 1. f3 | Barnes | Gedult's | 28%
|
| 1. g4 | Grob's | Spike | Ahlhausen's | Genoa | San Pier D'Arena | Fric's | Kolibri's | 26%
|
| 1. h4 | Desprez | Kadas | Anti-Borg | Samurai | Harry's | 23%
|
| 1. c3 | Saragossa | 23%
|
| 1. Nh3 | Amar | Paris | Drunken Knight | Ammonia | 21%
|
| 1. d3 | Mieses | 21%
|
| 1. a3 | Anderssen's | 18%
|
| 1. h3 | Clemenz | 15%
|