| ECO | Opening Name | Variant | ||
|---|---|---|---|---|
| D50 | QGD | Canal (Venice) variation |  Browse | View Opening |
| D51 | QGD | 4.Bg5 Nbd7 | Browse | View Opening |
| D51 | QGD | Rochlin variation | Browse | View Opening |
| D51 | QGD | Alekhine variation | Browse | View Opening |
| D51 | QGD | Browse | View Opening | |
| D51 | QGD | Manhattan variation | Browse | View Opening |
| D51 | QGD | 5...c6 | Browse | View Opening |
| D51 | QGD | Capablanca anti-Cambridge Springs variation | Browse | View Opening |
| D52 | QGD | Browse | View Opening | |
| D52 | QGD | Cambridge Springs defence | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, Bogoljubow variation | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, Argentine variation | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, Rubinstein variation | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, Capablanca variation | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, 7.cd | Browse | View Opening |
| D52 | QGD | Cambridge Springs defence, Yugoslav variation | Browse | View Opening |
| D53 | QGD | 4.Bg5 Be7 | Browse | View Opening |
| D53 | QGD | Lasker variation | Browse | View Opening |
| D53 | QGD | 4.Bg5 Be7, 5.e3 O-O | Browse | View Opening |
| D54 | QGD | Anti-neo-Orthodox variation | Browse | View Opening |
| D55 | QGD | 6.Nf3 | Browse | View Opening |
| D55 | QGD | Pillsbury attack | Browse | View Opening |
| D55 | QGD | Neo-Orthodox variation | Browse | View Opening |
| D55 | QGD | Neo-Orthodox variation, 7.Bxf6 | Browse | View Opening |
| D55 | QGD | Petrosian variation | Browse | View Opening |
| D55 | QGD | Neo-Orthodox variation, 7.Bh4 | Browse | View Opening |
| D56 | QGD | Lasker defence | Browse | View Opening |
| D56 | QGD | Lasker defence, Teichmann variation | Browse | View Opening |
| D56 | QGD | Lasker defence, Russian variation | Browse | View Opening |
| D57 | QGD | Lasker defence, Main line | Browse | View Opening |
