| ECO | Opening Name | Variant | ||
|---|---|---|---|---|
| A28 | English | Four knights system |  Browse | View Opening |
| A28 | English | Nenarokov variation | Browse | View Opening |
| A28 | English | Bradley Beach variation | Browse | View Opening |
| A28 | English | Four knights, Nimzovich variation | Browse | View Opening |
| A28 | English | Four knights, Marini variation | Browse | View Opening |
| A28 | English | Four knights, Capablanca variation | Browse | View Opening |
| A28 | English | Four knights, 4.e3 | Browse | View Opening |
| A28 | English | Four knights, Stean variation | Browse | View Opening |
| A28 | English | Four knights, Romanishin variation | Browse | View Opening |
