Berlin Defence
| |||||||||||||||||||||||||||||||||||||||||||||
| Moves | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ECO | C65–C67 | ||||||||||||||||||||||||||||||||||||||||||||
| Parent | Ruy Lopez | ||||||||||||||||||||||||||||||||||||||||||||
The Berlin Defence is a chess opening that begins with the moves:
The opening is a variation of the Ruy Lopez and is assigned codes C65–C67 in the Encyclopaedia of Chess Openings. The code C65 covers White moves other than 4.0-0, such as 4.d3 (4.Nc3 is considered a variation of the Four Knights Game). The code C66 covers the variation 4.0-0 d6, and the code C67 covers the variation 4.0-0 Nxe4 (usually regarded as the main line of the Berlin Defence).