B69 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack
B69 holds a single named line. It leaves B68 (Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation) with 10.Nf3 b5 11.Bxf6. When the reference line ends, White is three pawns up on material. At 21 plies, its reference line is the second-longest of the 80 Sicilian Defense codes.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | Nc6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | d6 |
| 6 | Bg5 | e6 |
| 7 | Qd2 | a6 |
| 8 | O-O-O | Bd7 |
| 9 | f4 | Be7 |
| 10 | Nf3 | b5 |
| 11 | Bxf6 |
Moves only B69 plays
Same as B68 up to 9...Be7, then:
- 10.Nf3 The knight goes from d4 to f3, opening a line for the queen on d2.
- 10...b5 The b-pawn advances two squares to b5, covering a4 and c4.
- 11.Bxf6 The bishop on g5 takes the knight on f6, attacking the bishop on e7.
The road to B69
Five of the 15 named positions on the way are reached by a move order other than their own.
The position after 11.Bxf6
White has brought out the knight on c3, knight on f3 and bishop on f6; Black the knight on c6, bishop on d7 and bishop on e7. White has a half-open d-file; Black a half-open c-file. Black could capture with Bxf6, gxf6. Undefended and attacked: the bishop on f6. Black is to move and has 30 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B67 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | ten squares: f2, f3, d4, f4, b5, g5, f6, b7 … |
| B99 | Sicilian Defense: Najdorf Variation, Main Line | 12 squares: d2, f3, d4, b5, g5, c6, f6, b7 … |
| B64 | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | 14 squares: f3, d4, b5, g5, a6, f6, a7, b7 … |
| B65 | Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack | 15 squares: f3, d4, b5, g5, a6, c6, f6, a7 … |
| B98 | Sicilian Defense: Najdorf Variation | 15 squares: a1, c1, d1, e1, d2, f3, d4, b5 … |
| B66 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | 16 squares: a1, c1, d1, e1, f2, f3, d4, f4 … |
| B61 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | 17 squares: a1, c1, d1, e1, f2, f3, d4, f4 … |