Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Nf6/3. f3/3...d5
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Bishop's Opening: Walkerling[edit | edit source]
3...d5![edit | edit source]
| Bishop's Opening: Berlin Defence, Walkerling | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Position in Forsyth-Edwards Notation (FEN) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Moves: 1. e4 e5 2. Bc4 Nf6 3. f3 d5 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This move is an aggressive response to white's passive 3. f3!? as it strikes in the center and opens up more lines for black's pieces.
White's main options are:
- 4. exd5 is the most popular and best option as it is an equal trade after 4...Nxd5 5. Bxd5 Qxd5.
- 4. Bxd5 usually transposes to the 4. exd5 line, after 4...Nxd5 5. exd5 Qxd5.
- 4. Bb3 is a dubious option as it does not accept an important pawn trade as 4...dxe4 5. fxe4 and white's kingside is very weak, but this might have something with because after 5. fxe4, white still has a pawn in the center and it opens up f3 for the king's knight.
- 4. Bb5 checks the black king, and its purpose is almost the same as 4. Bb3.
1. e4 e5 2. Bc4 Nf6 3. f3!? d5!