| ECO | Opening Name | Variant | ||
|---|---|---|---|---|
| C25 | Vienna | Zhuravlev countergambit |  Browse | View Opening |
| C25 | Vienna | Paulsen variation | Browse | View Opening |
| C25 | Vienna | Fyfe gambit | Browse | View Opening |
| C25 | Vienna | Steinitz gambit | Browse | View Opening |
| C25 | Vienna | Steinitz gambit, Zukertort defence | Browse | View Opening |
| C25 | Vienna | Steinitz gambit, Fraser-Minckwitz variation | Browse | View Opening |
| C25 | Vienna | Hamppe-Allgaier gambit | Browse | View Opening |
| C25 | Vienna | Hamppe-Allgaier gambit, Alapin variation | Browse | View Opening |
| C25 | Vienna | Hamppe-Muzio gambit | Browse | View Opening |
| C25 | Vienna | Hamppe-Muzio, Dubois variation | Browse | View Opening |
| C25 | Vienna | Pierce gambit | Browse | View Opening |
| C25 | Vienna | Pierce gambit, Rushmere attack | Browse | View Opening |
| C25 | Vienna gambit | Browse | View Opening | |
| C25 | Vienna gambit | Browse | View Opening | |
| C25 | Vienna game | Browse | View Opening | |
| C25 | Vienna game, Max Lange defence | Browse | View Opening |
