B59 Sicilian Defense: Boleslavsky Variation
B59 holds a single named line. It leaves B58, a position of the same name, with 7.Nb3. That final move, by the knight, opens a line for the queen on d1 and guards the rook on a1. Of all other reference positions, the board of B56 (Classical Variation) comes closest, six squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | Nc6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | d6 |
| 6 | Be2 | e5 |
| 7 | Nb3 |
Moves only B59 plays
Same as B61 up to 5...d6, then:
- 6.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
- 6...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.
- 7.Nb3 The knight goes from d4 to b3, opening a line for the queen on d1, guarding the rook on a1.
The road to B59
Three of the 11 named positions on the way are reached by a move order other than their own.
- 1.e4 … 5...d6nine earlier stops: B00, B20, B27, B30, B32, B33, B56
- 6.Be2B58 Classical Variation by another order
- 6...e5B58 Boleslavsky Variation by another order
- 7.Nb3B59
The position after 7.Nb3
White has brought out the knight on b3, knight on c3 and bishop on e2; Black the knight on c6 and knight on f6. White has a half-open d-file; Black a half-open c-file. Black could capture with Nxe4. Black is to move and has 35 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B57 | Sicilian Defense: Classical Variation, Sozin Attack | six squares: e2, b3, c4, d4, e5, e7 |
| B83 | Sicilian Defense: Scheveningen Variation, Classical Variation | six squares: b3, d4, e5, c6, e6, b8 |
| B88 | Sicilian Defense: Sozin Attack, Leonhardt Variation | six squares: e2, b3, c4, d4, e5, e6 |
| B60 | Sicilian Defense: Richter-Rauzer Variation | eight squares: c1, f1, e2, b3, d4, e5, g5, e7 |
| B62 | Sicilian Defense: Richter-Rauzer Variation | eight squares: c1, f1, e2, b3, d4, e5, g5, e6 |
| B80 | Sicilian Defense: Scheveningen Variation | eight squares: f1, e2, b3, d4, e5, c6, e6, b8 |
| B84 | Sicilian Defense: Scheveningen Variation, Classical Variation | eight squares: b3, d4, e5, a6, c6, e6, a7, b8 |