D69 Queen’s Gambit Declined: Orthodox Defense, Classical Variation
D69 holds a single named line. It leaves D68, a position of the same name, with 13.dxe5 Nxe5 14.Nxe5 Qxe5. Ten captures are made along the reference line, the most of all 500 codes. At 28 plies, its reference line is the longest of all 500 codes. White, to move in that position, has 44 legal moves, the second-highest count of the 44 Queen’s Gambit codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | c4 | e6 |
| 3 | Nc3 | Nf6 |
| 4 | Bg5 | Be7 |
| 5 | e3 | O-O |
| 6 | Nf3 | Nbd7 |
| 7 | Rc1 | c6 |
| 8 | Bd3 | dxc4 |
| 9 | Bxc4 | Nd5 |
| 10 | Bxe7 | Qxe7 |
| 11 | O-O | Nxc3 |
| 12 | Rxc3 | e5 |
| 13 | dxe5 | Nxe5 |
| 14 | Nxe5 | Qxe5 |
Moves only D69 plays
Same as D68 up to 12...e5, then:
- 13.dxe5 The d-pawn takes the pawn on e5, covering d6 and f6, opening a line for the queen on d1.
- 13...Nxe5 The knight on d7 takes the pawn on e5, opening a line for the queen on e7 and the bishop on c8, attacking the knight on f3 and the bishop on c4.
- 14.Nxe5 The knight on f3 takes the knight on e5, opening a line for the queen on d1.
- 14...Qxe5 The queen on e7 takes the knight on e5, attacking the rook on c3.
The road to D69
Four of the 17 named positions on the way are reached by a move order other than their own.
The position after 14...Qxe5
White has brought out the bishop on c4; Black has not yet moved a knight or bishop. White has a half-open c-file; Black a half-open e-file. White could capture with Bxf7+. The d-file is fully open.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D88 | Grünfeld Defense: Exchange Variation, Spassky Variation | 13 squares: a1, b2, e2, c3, e3, d4, e4, e5 … |
| E54 | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | 13 squares: a1, c1, c3, f3, b4, d4, c5, e5 … |
| E55 | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation | 13 squares: a1, c1, c3, f3, b4, d4, c5, e5 … |
| E57 | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense | 13 squares: a1, c1, a2, a3, c3, f3, b4, d4 … |
| E59 | Nimzo-Indian Defense: Normal Variation, Bernstein Defense | 14 squares: a1, c1, a2, b2, a3, c3, f3, d4 … |
| D67 | Queen’s Gambit Declined: Orthodox Defense, Capablanca System | 15 squares: c1, e1, f1, g1, h1, c3, f3, d4 … |
| E56 | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense | 15 squares: a1, c1, c3, d3, f3, b4, c4, d4 … |