A69 Benoni Defense: Four Pawns Attack, Main Line
A69 holds four named lines, all under the name Benoni Defense. It leaves A68 (Benoni Defense: Four Pawns Attack) with 9...Re8. White, to move in that position, has 39 legal moves, the second-highest count of the 23 Benoni Defense codes. Its deepest line, Benoni Defense: Four Pawns Attack, Main Line, runs to 11.Nd2, the second-longest of the 23 Benoni Defense codes. With four named lines it is the fourth-largest code of the 23 Benoni Defense codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | c5 |
| 3 | d5 | e6 |
| 4 | Nc3 | exd5 |
| 5 | cxd5 | d6 |
| 6 | e4 | g6 |
| 7 | f4 | Bg7 |
| 8 | Nf3 | O-O |
| 9 | Be2 | Re8 |
Moves only A69 plays
Same as A68 up to 8...O-O, then:
- 9.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
- 9...Re8 The rook goes from f8 to e8.
Lines filed under A69
All four share the start 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Be2 and then split three ways at Black’s move 9.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Benoni Defense: Four Pawns Attack, Main Line | 9...Re8 | 18 | Black castled |
| Benoni Defense: Four Pawns Attack, Main Line | 9...Nbd7 10.O-O Re8 | 20 | both castled |
| Benoni Defense: Four Pawns Attack, Main Line | 9...Nbd7 10.O-O Re8 11.Nd2 | 21 | both castled |
| Benoni Defense: Four Pawns Attack, Main Line | 9...a6 10.a4 Re8 11.Nd2 | 21 | Black castled |
Benoni Defense: Four Pawns Attack, Main Line
- 9...Nbd7 The knight leaves b8 for d7, opening a line for the rook on a8.
- 10.O-O White castles kingside, opening a line for the queen on d1, guarding the pawn on g2.
- 10...Re8 The rook goes from f8 to e8.
Benoni Defense: Four Pawns Attack, Main Line
- 9...Nbd7 The knight leaves b8 for d7, opening a line for the rook on a8.
- 10.O-O White castles kingside, opening a line for the queen on d1, guarding the pawn on g2.
- 10...Re8 The rook goes from f8 to e8.
- 11.Nd2 The knight goes from f3 to d2, opening a line for the rook on f1 and the bishop on e2.
Benoni Defense: Four Pawns Attack, Main Line
- 9...a6 The a-pawn advances to a6, covering b5, opening a line for the rook on a8.
- 10.a4 The a-pawn advances two squares to a4, covering b5, opening a line for the rook on a1.
- 10...Re8 The rook goes from f8 to e8.
- 11.Nd2 The knight goes from f3 to d2, opening a line for the bishop on e2.
The road to A69
- 1.d4 … 8.Nf3seven earlier stops: A40, A45, A50, A56, A60, A65, A66
- 8...O-OA68 Four Pawns Attack
- 9.Be2A68 Four Pawns Attack
- 9...Re8A69
The position after 9...Re8
White has brought out the knight on c3, knight on f3 and bishop on e2; Black the knight on f6 and bishop on g7. White has a half-open c-file; Black a half-open e-file.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| A72 | Benoni Defense: Classical Variation | four squares: f2, f4, e8, f8 |
| A76 | Benoni Defense: Classical Variation, Czerniak Defense | six squares: e1, f1, g1, h1, f2, f4 |
| E78 | King’s Indian Defense: Four Pawns Attack, Fluid Attack | six squares: c4, d4, d5, e7, e8, f8 |
| A67 | Benoni Defense: Taimanov Variation | seven squares: g1, e2, f3, b5, e8, g8, h8 |
| A62 | Benoni Defense: Fianchetto Variation | eight squares: e2, f2, g2, g3, e4, f4, e8, f8 |
| A73 | Benoni Defense: Classical Variation, Main Line | eight squares: e1, f1, g1, h1, f2, f4, e8, f8 |
| A77 | Benoni Defense: Classical Variation, Czerniak Defense, Tal Line | eight squares: e1, f1, g1, h1, d2, f2, f3, f4 |