D65 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
D65 holds two named lines, all under the name Queen’s Gambit. It leaves D64, a position of the same name, with 9.cxd5. When the reference line ends, White is one pawn up on material. White’s pieces and pawns attack 13 squares in Black’s half, level for the most of the 44 Queen’s Gambit codes. At 17 plies, its reference line is the fifth-longest of the 44 Queen’s Gambit codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | Nf3 | Nf6 |
| 3 | c4 | e6 |
| 4 | Nc3 | Be7 |
| 5 | Bg5 | O-O |
| 6 | e3 | Nbd7 |
| 7 | Rc1 | c6 |
| 8 | Qc2 | a6 |
| 9 | cxd5 |
Moves only D65 plays
Same as D03 up to 2...Nf6, then:
- 3.c4 The c-pawn advances two squares to c4, covering b5 and d5, opening a line for the queen on d1.
- 3...e6 The e-pawn advances to e6, covering d5 and f5, opening a line for the queen on d8 and the bishop on f8.
- 4.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
- 4...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.
- 5.Bg5 The bishop leaves c1 for g5, opening a line for the rook on a1 and the queen on d1, attacking the knight on f6.
- 5...O-O Black castles kingside, opening a line for the queen on d8, guarding the pawn on g7.
- 6.e3 The e-pawn advances to e3, covering d4 and f4, opening a line for the queen on d1 and the bishop on f1.
- 6...Nbd7 The knight leaves b8 for d7, opening a line for the rook on a8.
- 7.Rc1 The rook goes from a1 to c1.
- 7...c6 The c-pawn advances to c6, covering b5 and d5, opening a line for the queen on d8.
- 8.Qc2 The queen goes from d1 to c2, guarding the pawn on b2.
- 8...a6 The a-pawn advances to a6, covering b5, opening a line for the rook on a8.
- 9.cxd5 The c-pawn takes the pawn on d5, covering c6 and e6, opening a line for the bishop on f1.
Lines filed under D65
Both share their first 17 plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | (the shared start itself) | 17 | White +1, Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | 9...exd5 10.Bd3 | 19 | Black castled |
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
- 9...exd5 The e-pawn takes the pawn on d5, covering c4 and e4.
- 10.Bd3 The bishop leaves f1 for d3, opening a line for the rook on h1.
The road to D65
Eight of the 12 named positions on the way are reached by a move order other than their own.
- 1.d4 … 7...c6ten earlier stops: A40, D00, D02, D37, D53, D55, D60, D63
- 8.Qc2D64 Rubinstein Attack by another order
- 8...a6D64 Rubinstein Attack by another order
- 9.cxd5D65
The position after 9.cxd5
White has brought out the knight on c3, knight on f3 and bishop on g5; Black the knight on d7, knight on f6 and bishop on e7. White has a half-open c-file; Black a half-open d-file. Black could capture with Nxd5, cxd5, exd5. Black is to move and has 31 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D62 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line | six squares: a1, c1, c5, a6, c6, a7 |
| D61 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | eight squares: a1, c1, c4, d5, a6, c6, a7, c7 |
| D63 | Queen’s Gambit Declined: Orthodox Defense, Main Line | eight squares: d1, c2, c4, d5, a6, c6, a7, c7 |
| D66 | Queen’s Gambit Declined: Orthodox Defense, Bd3 Line | eight squares: d1, f1, c2, d3, c4, d5, a6, a7 |
| D67 | Queen’s Gambit Declined: Orthodox Defense, Capablanca System | eight squares: d1, f1, c2, c4, d5, a6, f6, a7 |
| D60 | Queen’s Gambit Declined: Orthodox Defense | ten squares: a1, c1, d1, c2, c4, d5, a6, c6 … |
| D54 | Queen’s Gambit Declined: Neo-Orthodox Variation | 12 squares: d1, g1, c2, f3, c4, d5, a6, c6 … |