D64 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
D64 holds four named lines, all under the name Queen’s Gambit. It leaves D63 (Queen’s Gambit Declined: Orthodox Defense, Main Line) with 8.Qc2. Lines filed under D65 reach one of its named positions by a different move order. None of its four lines contains a capture.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | e6 |
| 3 | Nf3 | d5 |
| 4 | Nc3 | Be7 |
| 5 | Bg5 | O-O |
| 6 | e3 | Nbd7 |
| 7 | Rc1 | c6 |
| 8 | Qc2 |
Moves only D64 plays
Same as D63 up to 7.Rc1, then:
- 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.
Lines filed under D64
They begin with two different first moves.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Qc2 | 15 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Qc2 a6 | 16 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | 1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Qc2 Ne4 | 16 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.a3 a6 9.Qc2 | 17 | Black castled |
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
- 1.d4 The d-pawn advances two squares to d4, covering c5 and e5, opening a line for the bishop on c1 and the queen on d1.
- 1...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
- 2.c4 The c-pawn advances two squares to c4, covering b5 and d5, opening a line for the queen on d1.
- 2...e6 The e-pawn advances to e6, covering d5 and f5, opening a line for the queen on d8 and the bishop on f8.
- 3.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
- 1.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
- 1...d5 The d-pawn advances two squares to d5, covering c4 and e4, opening a line for the bishop on c8 and the queen on d8.
- 2.d4 The d-pawn advances two squares to d4, covering c5 and e5, opening a line for the bishop on c1 and the queen on d1.
- 2...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
- 3.c4 The c-pawn advances two squares to c4, covering b5 and d5, opening a line for the queen on d1.
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack
- 1.d4 The d-pawn advances two squares to d4, covering c5 and e5, opening a line for the bishop on c1 and the queen on d1.
- 1...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.
- 2.c4 The c-pawn advances two squares to c4, covering b5 and d5, opening a line for the queen on d1.
- 2...e6 The e-pawn advances to e6, covering d5 and f5, opening a line for the queen on d8 and the bishop on f8.
- 3.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
The road to D64
One of the ten named positions on the way are reached by a move order other than their own.
- 1.d4 … 6...Nbd7eight earlier stops: A40, A45, A50, D37, D53, D55, D60, E10
- 7.Rc1D63 Main Line
- 7...c6D63 Main Line
- 8.Qc2D64
The position after 8.Qc2
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. Black could capture with dxc4. Black is to move and has 29 legal moves.
Codes that branch off from D64
The reference lines of one other code leave D64 from the position after 8...a6, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| D65 | 9.cxd5 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D61 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | four squares: a1, c1, c6, c7 |
| D66 | Queen’s Gambit Declined: Orthodox Defense, Bd3 Line | four squares: d1, f1, c2, d3 |
| D60 | Queen’s Gambit Declined: Orthodox Defense | six squares: a1, c1, d1, c2, c6, c7 |
| D62 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line | six squares: a1, c1, c4, c5, d5, c6 |
| D67 | Queen’s Gambit Declined: Orthodox Defense, Capablanca System | six squares: d1, f1, c2, c4, d5, f6 |
| D54 | Queen’s Gambit Declined: Neo-Orthodox Variation | eight squares: d1, g1, c2, f3, c6, c7, d7, b8 |
| D55 | Queen’s Gambit Declined: Modern Variation, Normal Line | eight squares: a1, c1, d1, c2, c6, c7, d7, b8 |
Where lines continue from here
Two named lines filed under other codes pass through the position after 8.Qc2. All of them belong to the codes listed above.
Other move orders
- Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack is also reached inside D65 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack, whose order is 1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Qc2.
- Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack is also reached inside D65 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack, whose order is 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.