B55 Sicilian Defense: Prins Variation, Venice Attack
B55 holds a single named line. It leaves B54 (Sicilian Defense: Prins Variation) with 5...e5 6.Bb5+. Black, to move in that position, has six legal moves, the third-lowest count of all 500 codes. The reference line ends with a check, 6.Bb5+. Only six of the 500 reference lines end this way.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | d6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | f3 | e5 |
| 6 | Bb5+ |
Moves only B55 plays
Same as B56 up to 4...Nf6, then:
- 5.f3 The f-pawn advances to f3, covering e4 and g4.
- 5...e5 The e-pawn advances two squares to e5, covering d4 and f4, opening a line for the queen on d8 and the bishop on f8, attacking the knight on d4.
- 6.Bb5+ The bishop leaves f1 for b5, opening a line for the rook on h1, giving check.
The road to B55
- 1.e4 … 4.Nxd4six earlier stops: B00, B20, B27, B50
- 4...Nf6B54 Main Line
- 5.f3B54 Prins Variation
- 6.Bb5+B55
The position after 6.Bb5+
White has brought out the knight on d4 and bishop on b5; Black the knight on f6. White has a half-open d-file; Black a half-open c-file.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B80 | Sicilian Defense: Scheveningen Variation | eight squares: b1, f1, f2, c3, f3, b5, e5, e6 |
| B82 | Sicilian Defense: Scheveningen Variation, Matanovic Attack | eight squares: b1, f1, c3, f3, f4, b5, e5, e6 |
| B83 | Sicilian Defense: Scheveningen Variation, Classical Variation | eight squares: b1, e2, f2, c3, f3, b5, e5, e6 |
| B86 | Sicilian Defense: Sozin Attack | eight squares: b1, f2, c3, f3, c4, b5, e5, e6 |
| C43 | Petrov’s Defense: Modern Attack | eight squares: f1, f2, f3, d4, b5, d6, c7, d7 |
| B07 | King’s Pawn Game: Maróczy Defense | nine squares: f1, g1, f2, f3, d4, b5, f6, c7 … |
| B51 | Sicilian Defense: Moscow Variation | nine squares: d2, f2, f3, d4, c5, e5, f6, e7 … |