B81 Sicilian Defense: Scheveningen Variation, Keres Attack
B81 holds a single named line. It leaves B80 (Sicilian Defense: Scheveningen Variation) with 6.g4. That final move, by the g-pawn, covers f5 and h5 and opens a line for the bishop on f1. Of all other reference positions, the board of B82 (Scheveningen Variation, Matanovic Attack) comes closest, four squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | e6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | d6 |
| 6 | g4 |
The road to B81
- 1.e4 … 4.Nxd4five earlier stops: B00, B20, B27, B40
- 4...Nf6B40 Normal
- 5...d6B80 Scheveningen Variation
- 6.g4B81
The position after 6.g4
White has brought out the knight on c3 and knight on d4; Black the knight on f6. White has a half-open d-file; Black a half-open c-file. Black could capture with Nxe4, Nxg4. Black is to move and has 29 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B83 | Sicilian Defense: Scheveningen Variation, Classical Variation | four squares: f1, e2, g2, g4 |
| B86 | Sicilian Defense: Sozin Attack | four squares: f1, g2, c4, g4 |
| B56 | Sicilian Defense: Classical Variation | six squares: g2, g4, c6, e6, e7, b8 |
| B62 | Sicilian Defense: Richter-Rauzer Variation | six squares: c1, g2, g4, g5, c6, b8 |
| B70 | Sicilian Defense: Dragon Variation | six squares: g2, g4, e6, g6, e7, g7 |
| B84 | Sicilian Defense: Scheveningen Variation, Classical Variation | six squares: f1, e2, g2, g4, a6, a7 |
| B88 | Sicilian Defense: Sozin Attack, Leonhardt Variation | six squares: f1, g2, c4, g4, c6, b8 |