B65 Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack
B65 holds two named lines, all under the name Sicilian Defense. It leaves B64 (Sicilian Defense: Richter-Rauzer Variation, Classical Variation) with 9...Nxd4. When the reference line ends, Black is three pawns up on material. Queenside castling appears in two of its lines, first in Sicilian Defense: Richter-Rauzer Variation, Classical Variation. Both kings have castled by the end of the reference line, White on move 8 and Black on move 8.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | d6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | Nc6 |
| 6 | Bg5 | e6 |
| 7 | Qd2 | Be7 |
| 8 | O-O-O | O-O |
| 9 | f4 | Nxd4 |
Moves only B65 plays
Same as B64 up to 9.f4, then:
- 9...Nxd4 The knight on c6 takes the knight on d4.
Lines filed under B65
Both share their first 18 plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack | (the shared start itself) | 18 | Black +3, both castled |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation | 10.Qxd4 | 19 | both castled |
Sicilian Defense: Richter-Rauzer Variation, Classical Variation
- 10.Qxd4 The queen on d2 takes the knight on d4, opening a line for the rook on d1, attacking the knight on f6.
The road to B65
The position after 9...Nxd4
White has brought out the knight on c3 and bishop on g5; Black the knight on d4, knight on f6 and bishop on e7. White has a half-open d-file; Black a half-open c-file. White could capture with Bxf6, Qxd4. Undefended and attacked: the knight on d4. White is to move and has 32 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B68 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | ten squares: d4, a6, c6, a7, d7, c8, e8, f8 … |
| B99 | Sicilian Defense: Najdorf Variation, Main Line | 12 squares: d2, f3, d4, a6, a7, c7, d7, d8 … |
| B63 | Sicilian Defense: Richter-Rauzer Variation, Traditional Variation | 13 squares: a1, c1, d1, e1, f2, d4, f4, c6 … |
| B67 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | 13 squares: f2, d4, f4, a6, c6, a7, d7, e7 … |
| B82 | Sicilian Defense: Scheveningen Variation, Matanovic Attack | 13 squares: a1, c1, d1, e1, d2, d4, g5, e7 … |
| B98 | Sicilian Defense: Najdorf Variation | 13 squares: a1, c1, d1, e1, d2, d4, a6, a7 … |
| B62 | Sicilian Defense: Richter-Rauzer Variation | 14 squares: a1, c1, d1, e1, d2, f2, d4, f4 … |