B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation
B97 holds two named lines, all under the name Sicilian Defense. It leaves B96 (Sicilian Defense: Najdorf Variation) with 7...Qb6. That final move, by the queen, attacks the knight on d4. Of all other reference positions, the board of B95 (Najdorf Variation) comes closest, four squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | d6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | a6 |
| 6 | Bg5 | e6 |
| 7 | f4 | Qb6 |
Lines filed under B97
Both share their first 14 plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation | (the shared start itself) | 14 | |
| Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted | 8.Qd2 Qxb2 9.Rb1 Qa3 | 18 | Black +1 |
Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted
- 8.Qd2 The queen goes from d1 to d2, opening a line for the rook on a1.
- 8...Qxb2 The queen on b6 takes the pawn on b2, attacking the rook on a1 and the knight on c3.
- 9.Rb1 The rook goes from a1 to b1, attacking the queen on b2.
- 9...Qa3 The queen goes from b2 to a3, attacking the knight on c3.
The road to B97
- 1.e4 … 6.Bg5nine earlier stops: B00, B20, B27, B50, B54, B90, B94
- 6...e6B95 Najdorf Variation
- 7.f4B96 Najdorf Variation
- 7...Qb6B97
The position after 7...Qb6
White has brought out the knight on c3, knight on d4 and bishop on g5; Black the knight on f6. 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 44 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B98 | Sicilian Defense: Najdorf Variation | four squares: b6, e7, d8, f8 |
| B82 | Sicilian Defense: Scheveningen Variation, Matanovic Attack | six squares: c1, g5, a6, b6, a7, d8 |
| B93 | Sicilian Defense: Najdorf Variation, Amsterdam Variation | six squares: c1, g5, b6, e6, e7, d8 |
| B94 | Sicilian Defense: Najdorf Variation | six squares: f2, f4, b6, e6, e7, d8 |
| B62 | Sicilian Defense: Richter-Rauzer Variation | eight squares: f2, f4, a6, b6, c6, a7, b8, d8 |
| B66 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | eight squares: d1, d2, f2, f4, b6, c6, b8, d8 |
| B80 | Sicilian Defense: Scheveningen Variation | eight squares: c1, f2, f4, g5, a6, b6, a7, d8 |