D84 Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted
D84 holds a single named line. It leaves D83 (Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit) with 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7. When the reference line ends, White is one pawn up on material. No other Grünfeld Defense code shares this. Black, to move in that position, has 46 legal moves, the most of the 20 Grünfeld Defense codes. Black’s pieces and pawns attack nine squares in White’s half, the most of the 20 Grünfeld Defense codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | g6 |
| 3 | Nc3 | d5 |
| 4 | Bf4 | Bg7 |
| 5 | e3 | O-O |
| 6 | cxd5 | Nxd5 |
| 7 | Nxd5 | Qxd5 |
| 8 | Bxc7 |
Moves only D84 plays
Same as D83 up to 5...O-O, then:
- 6.cxd5 The c-pawn takes the pawn on d5, covering c6 and e6, opening a line for the bishop on f1.
- 6...Nxd5 The knight on f6 takes the pawn on d5, opening a line for the bishop on g7, attacking the knight on c3 and the bishop on f4.
- 7.Nxd5 The knight on c3 takes the knight on d5.
- 7...Qxd5 The queen on d8 takes the knight on d5, opening a line for the rook on f8.
- 8.Bxc7 The bishop on f4 takes the pawn on c7, attacking the knight on b8.
The road to D84
- 1.d4 … 3...d5six earlier stops: A40, A45, A50, D80, E60, E61
- 4.Bf4D82 Brinckmann Attack
- 5...O-OD83 Grünfeld Gambit
- 8.Bxc7D84
The position after 8.Bxc7
White has brought out the bishop on c7; Black the bishop on g7. Black has a half-open d-file. Black could capture with Bxd4, Qxa2, Qxd4, Qxg2. The c-file is fully open.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D93 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | nine squares: g1, c3, f3, c4, f4, d5, f6, c7 … |
| D95 | Grünfeld Defense: Three Knights Variation, Vienna Variation | 11 squares: c1, d1, g1, b3, c3, f3, c4, d5 … |
| D57 | Queen’s Gambit Declined: Lasker Defense, Main Line | 12 squares: g1, b2, c3, f3, d5, e6, g6, h6 … |
| D85 | Grünfeld Defense: Exchange Variation | 12 squares: c1, e2, c3, e3, d5, c7, g7, d8 … |
| D97 | Grünfeld Defense: Russian Variation | 12 squares: c1, d1, g1, c3, e3, f3, c4, e4 … |
| E81 | King’s Indian Defense: Sämisch Variation, Normal Defense | 12 squares: c1, f2, c3, e3, f3, c4, e4, d5 … |
| A42 | Modern Defense: Averbakh System | 13 squares: c1, c3, e3, c4, e4, d5, d6, c7 … |