D61 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation
D61 holds six named lines, all under the name Queen’s Gambit. It leaves D60 (Queen’s Gambit Declined: Orthodox Defense) with 7.Qc2. Lines filed under D62 reach one of its named positions by a different move order. That final move, by the queen, opens a line for the rook on a1 and guards the pawn on b2.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | c4 | e6 |
| 3 | Nc3 | Nf6 |
| 4 | Bg5 | Be7 |
| 5 | e3 | O-O |
| 6 | Nf3 | Nbd7 |
| 7 | Qc2 |
Lines filed under D61
All six share their first 13 plies, the whole reference line and then split three ways at Black’s move 7.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | (the shared start itself) | 13 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | 7...c5 | 14 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | 7...c6 | 14 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | 7...c6 8.a3 | 15 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | 7...c6 8.Rd1 a6 | 16 | Black castled |
| Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation | 7...a6 8.cxd5 exd5 9.Bd3 Re8 | 18 | Black castled |
The road to D61
Two of the ten named positions on the way are reached by a move order other than their own.
- 1.d4 … 5...O-Oeight earlier stops: A40, D00, D06, D30, D31, D35, D50, D53
- 6.Nf3D55 Normal Line by another order
- 6...Nbd7D60 Orthodox Defense by another order
- 7.Qc2D61
The position after 7.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 27 legal moves.
Codes that branch off from D61
The reference lines of one other code leave D61 from the position after 7...c5, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| D62 | 8.cxd5 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D55 | Queen’s Gambit Declined: Modern Variation, Normal Line | four squares: d1, c2, d7, b8 |
| D63 | Queen’s Gambit Declined: Orthodox Defense, Main Line | four squares: a1, c1, d1, c2 |
| D64 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | four squares: a1, c1, c6, c7 |
| D54 | Queen’s Gambit Declined: Neo-Orthodox Variation | eight squares: a1, c1, d1, g1, c2, f3, d7, b8 |
| D65 | Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack | eight squares: a1, c1, c4, d5, a6, c6, a7, c7 |
| E51 | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | eight squares: c1, d1, c2, b4, g5, d7, e7, b8 |
| D52 | Queen’s Gambit Declined | nine squares: d1, c2, c6, c7, e7, e8, f8, g8 … |
Where lines continue from here
One named line filed under other codes passes through the position after 7.Qc2. It belongs to the code listed above.
Other move orders
- Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation is also reached inside D62 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line, whose order is 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Qc2.
- Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation is also reached inside D62 Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line, whose order is 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Qc2 c5.