B83 Sicilian Defense: Scheveningen Variation, Classical Variation
B83 holds four named lines, all under the name Sicilian Defense. It leaves B80 (Sicilian Defense: Scheveningen Variation) with 6.Be2. That final move, by the bishop, opens a line for the rook on h1. Of all other reference positions, the board of B84 (Scheveningen Variation, Classical Variation) comes closest, two squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | e6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | d6 |
| 6 | Be2 |
Lines filed under B83
All four share the start 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 and then split two ways at Black’s move 4.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Sicilian Defense: Scheveningen Variation, Classical Variation | 4...Nf6 5.Nc3 d6 6.Be2 | 11 | |
| Sicilian Defense: Scheveningen Variation, Modern Variation | 4...Nc6 5.Nc3 d6 6.Be2 Nf6 | 12 | |
| Sicilian Defense: Scheveningen Variation, Modern Variation | 4...Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.f4 Nc6 9.Be3 | 17 | both castled |
| Sicilian Defense: Scheveningen Variation, Modern Variation | 4...Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.f4 Nc6 9.Be3 Bd7 10.Nb3 | 19 | both castled |
Sicilian Defense: Scheveningen Variation, Modern Variation
- 4...Nc6 The knight leaves b8 for c6, opening a line for the rook on a8, attacking the knight on d4.
- 5.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1, guarding the pawn on e4.
- 5...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the bishop on c8 and the queen on d8.
- 6.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
- 6...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
Sicilian Defense: Scheveningen Variation, Modern Variation
- 4...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
- 5.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1, guarding the pawn on e4.
- 5...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the bishop on c8 and the queen on d8.
- 6.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
- 6...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.
Sicilian Defense: Scheveningen Variation, Modern Variation
- 4...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
- 5.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1, guarding the pawn on e4.
- 5...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the bishop on c8 and the queen on d8.
- 6.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
- 6...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.
The road to B83
- 1.e4 … 4.Nxd4five earlier stops: B00, B20, B27, B40
- 4...Nf6B40 Normal
- 5...d6B80 Scheveningen Variation
- 6.Be2B83
The position after 6.Be2
White has brought out the knight on c3, knight on d4 and bishop on e2; Black the 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 29 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B86 | Sicilian Defense: Sozin Attack | two squares: e2, c4 |
| B58 | Sicilian Defense: Classical Variation | four squares: c6, e6, e7, b8 |
| B81 | Sicilian Defense: Scheveningen Variation, Keres Attack | four squares: f1, e2, g2, g4 |
| B82 | Sicilian Defense: Scheveningen Variation, Matanovic Attack | four squares: f1, e2, f2, f4 |
| B88 | Sicilian Defense: Sozin Attack, Leonhardt Variation | four squares: e2, c4, c6, b8 |
| B92 | Sicilian Defense: Najdorf Variation, Opocensky Variation | four squares: a6, e6, a7, e7 |
| B56 | Sicilian Defense: Classical Variation | six squares: f1, e2, c6, e6, e7, b8 |