B99 Sicilian Defense: Najdorf Variation, Main Line
B99 holds a single named line. It leaves B98 (Sicilian Defense: Najdorf Variation, Traditional Line) with 9.O-O-O Nbd7. That final move, by the knight, opens a line for the rook on a8. Of all other reference positions, the board of B68 (Richter-Rauzer Variation, Neo-Modern Variation) comes closest, seven squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | d6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | a6 |
| 6 | Bg5 | e6 |
| 7 | f4 | Be7 |
| 8 | Qf3 | Qc7 |
| 9 | O-O-O | Nbd7 |
Moves only B99 plays
Same as B98 up to 7...Be7, then:
- 8.Qf3 The queen goes from d1 to f3, opening a line for the rook on a1.
- 8...Qc7 The queen goes from d8 to c7, attacking the knight on c3.
- 9.O-O-O White castles queenside, guarding the pawn on b2.
- 9...Nbd7 The knight leaves b8 for d7, opening a line for the rook on a8.
The road to B99
The position after 9...Nbd7
White has brought out the knight on c3, knight on d4 and bishop on g5; Black the knight on d7, knight on f6 and bishop on e7. White has a half-open d-file; Black a half-open c-file. White could capture with Bxa6, Bxf6, Nxe6. White is to move and has 43 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B67 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | 11 squares: d2, f2, f3, f4, c6, c7, d7, e7 … |
| B96 | Sicilian Defense: Najdorf Variation | 11 squares: a1, c1, d1, e1, f3, c7, d7, e7 … |
| B97 | Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation | 11 squares: a1, c1, d1, e1, f3, b6, c7, d7 … |
| B64 | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | 12 squares: d2, f3, a6, c6, a7, c7, d7, d8 … |
| B65 | Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack | 12 squares: d2, f3, d4, a6, a7, c7, d7, d8 … |
| B69 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack | 12 squares: d2, f3, d4, b5, g5, c6, f6, b7 … |
| B85 | Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation | 13 squares: a1, c1, d1, f1, g1, h1, e2, f3 … |