C23Opening
Bishop's Opening
1. e4 e5 2. Bc4
Black to move
- Legal moves
- 29
- Games in the next 4 moves
- 897,302
- Different positions among them
- 295,834
- Named lines from here
- 37
One of the oldest openings, already found in Lucena’s book of 1497. White aims the bishop at f7 before committing the king’s knight.
It is reached after 3 moves: 1. e4 e5 2. Bc4.
Black is to move and has 29 legal moves. Over the next four moves — two for each side — the game can branch into 897,302 different games. Those games reach 295,834 different positions: most positions can be reached in more than one way, 3 on average.
The Lichess opening list names 37 further lines after this position, such as Berlin Defense (2... Nf6) and Boi Variation (2... Bc5).
No other order of these moves reaches this position: each move depends on the one before.

Move by move
- 1. e4King's Pawn Game
- 1... e5King's Pawn Game
- 2. Bc4Bishop's Opening
Named lines from here
- Berlin DefenseC242... Nf6
- Boi VariationC232... Bc5
- Calabrese CountergambitC232... f5
- Philidor CounterattackC232... c6
- Khan GambitC232... d5
- Anderssen GambitC232... b5 3. Bxb5 c6
- Thorold GambitC232... b5 3. Bxb5 f5
- Scholar's MateC232... Nc6 3. Qh5 Nf6 4. Qxf7#
Famous games through this position
Related openings
- King's Pawn GameB001. e4
- King's Knight OpeningC401. e4 e5 2. Nf3
- King's Pawn Game: Wayward Queen AttackC201. e4 e5 2. Qh5
- King's Pawn Game: Napoleon AttackC201. e4 e5 2. Qf3
- Bongcloud AttackC201. e4 e5 2. Ke2
- Vienna GameC251. e4 e5 2. Nc3
- King's GambitC301. e4 e5 2. f4
- Center GameC201. e4 e5 2. d4
- Sicilian DefenseB201. e4 c5
- French DefenseC001. e4 e6
FEN
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