D39 Queen’s Gambit Declined: Ragozin Defense, Vienna Variation
D39 holds a single named line. It leaves D38 (Queen’s Gambit Declined: Ragozin Defense) with 5.Bg5 dxc4. When the reference line ends, Black is one pawn up on material. That final move, by the d-pawn, covers b3 and d3 and opens a line for the queen on d8.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | e6 |
| 3 | Nf3 | d5 |
| 4 | Nc3 | Bb4 |
| 5 | Bg5 | dxc4 |
Moves only D39 plays
Same as D38 up to 4...Bb4, then:
- 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...dxc4 The d-pawn takes the pawn on c4, covering b3 and d3, opening a line for the queen on d8.
The road to D39
- 1.d4 … 3...d5four earlier stops: A40, A45, A50, E10
- 4.Nc3D37 Three Knights Variation
- 4...Bb4D38 Ragozin Defense
- 5...dxc4D39
The position after 5...dxc4
White has brought out the knight on c3, knight on f3 and bishop on g5; Black the knight on f6 and bishop on b4. White has a half-open c-file; Black a half-open d-file. White could capture with Bxf6. White is to move and has 32 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D44 | Semi-Slav Defense Accepted | four squares: b4, c6, c7, f8 |
| E21 | Nimzo-Indian Defense: Three Knights Variation | four squares: c1, c4, g5, d7 |
| E30 | Nimzo-Indian Defense: Leningrad Variation | four squares: g1, f3, c4, d7 |
| D24 | Queen’s Gambit Accepted: Showalter Variation | six squares: c1, b4, g5, e6, e7, f8 |
| D37 | Queen’s Gambit Declined: Three Knights Variation | six squares: c1, b4, c4, d5, g5, f8 |
| D50 | Queen’s Gambit Declined: Modern Variation | six squares: g1, f3, b4, c4, d5, f8 |
| D53 | Queen’s Gambit Declined | six squares: g1, f3, b4, c4, d5, e7 |