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Bishop's Opening C23–C24

An aggressive flank development of the king's bishop

Final position of the Bishop's Opening main line

Urusov Gambit

The Bishop's Opening is one of the oldest openings in chess, dating back to the 16th century. By developing the bishop to c4 before committing the knight, White keeps flexible options including transpositions to the Italian Game, Vienna Game, or sharp gambit lines.

It's a flexible alternative to the Italian Game that keeps more options open. The Bishop's Opening can lead to sharp gambit play or quiet positional games, making it suitable for players who want to avoid heavy theory while still getting active piece play.

Key strategic ideas

  • White develops the bishop to c4 to control the d5 square and target f7
  • White often follows up with Nf3 and c3 to build a pawn center with d4
  • The Urusov Gambit (3.d4) is a direct way to open the center for attacking chances

Common mistakes & traps

  • The Lewis Countergambit (2...Bc5 3.c3 d5) can catch unprepared players - White should capture on d5 rather than advance
  • Black's ...Qg5 in the del Rio Variation attacks the g2 pawn and can create early counterplay if White is careless

Pawn structure notes

White typically has a pawn on e4 with a flexible setup. In quiet lines Black often plays ...d6, keeping tension in the center. The Urusov Gambit leads to open positions with an extra pawn for Black but strong piece play for White.

Name origin

The opening is simply named after the early development of the king's bishop to c4. Historically it was also called the "Berlin Defense" before that name became associated with the Ruy Lopez variation.

Famous practitioners & games

Adolf Anderssen, John Cochrane, Boris Spassky, Hikaru Nakamura, Levy Rozman

Adolf Anderssen vs Jean Dufresne
Berlin · 1851 · 1-0

The famous "Evergreen Game" featuring a stunning queen sacrifice and mating attack.
Boris Spassky vs David Bronstein
USSR Championship · 1960 · 1-0

Spassky uses the Bishop's Opening to defeat Bronstein in a positional masterclass.
Jakob Rosanes vs Adolf Anderssen
Breslau · 1863 · 1-0

A brilliant attacking game featuring the Urusov Gambit and a classic mating pattern.

Lines

Urusov Gambit intermediate
1. e4 e5
2. Bc4 Nf6
3. d4 exd4
4. Nf3 d5
5. exd5 Bb4+
6. c3 Qe7+
7. Be2 Nxd5
8. O-O Qf6
9. cxd4 Ne7
10. Nc3 O-O
The Urusov Gambit is White's sharpest response, sacrificing a pawn for rapid development and attacking chances.
Practice
Berlin Defense beginner
1. e4 e5
2. Bc4 Nf6
3. d3 c6
4. Nf3 d5
5. exd5 cxd5
6. Bb5+ Bd7
7. Bxd7+ Nfxd7
8. O-O Be7
9. Re1 O-O
The Berlin Defense leads to a solid but passive position for Black. White gets the bishop pair and a slight edge.
Practice
Classical Defense intermediate
1. e4 e5
2. Bc4 Bc5
3. Nf3 Nf6
4. Nc3 Nc6
5. d3 d6
6. O-O O-O
7. Bg5 Be6
8. Bd5 h6
9. Bxf6 Qxf6
10. Bxe6 fxe6
11. Qd2 Qe7
The Lewis Countergambit is Black's sharpest try against the Bishop's Opening, sacrificing a pawn for quick development.
Practice
Vienna Hybrid beginner
1. e4 e5
2. Bc4 Nf6
3. d3 Nc6
4. Nc3 Bc5
5. Nge2 d6
6. O-O O-O
7. Bg5 Be6
8. Bxe6 fxe6
9. Qd2 Qe8
The Vienna Hybrid transposes between the Bishop's Opening and Vienna Game setups, giving White a solid, flexible position.
Practice
Four Pawns Gambit advanced
1. e4 e5
2. Bc4 Bc5
3. b4 Bxb4
4. f4 exf4
5. Nf3 Be7
6. d4 Bh4+
7. g3 fxg3
8. O-O gxh2+
9. Kh1 h5
A wild, romantic-era gambit where White sacrifices several pawns for a crushing attack. Not entirely sound but incredibly fun.
Practice