A59 Benko Gambit Accepted: Yugoslav
A59 holds four named lines, all under the name Benko Gambit. It leaves A58 (Benko Gambit Accepted: Fully Accepted Variation) with 5...Bxa6 6.Nc3 d6 7.e4. Three captures are made along the reference line, the most of the 100 codes in volume A. Black’s pieces and pawns attack eight squares in White’s half, the most of the 100 codes in volume A. When the reference line ends, White is one pawn up on material.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | c5 |
| 3 | d5 | b5 |
| 4 | cxb5 | a6 |
| 5 | bxa6 | Bxa6 |
| 6 | Nc3 | d6 |
| 7 | e4 |
Moves only A59 plays
Same as A58 up to 5.bxa6, then:
- 5...Bxa6 The bishop on c8 takes the pawn on a6, opening a line for the queen on d8.
- 6.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
- 6...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the queen on d8.
- 7.e4 The e-pawn advances two squares to e4, covering d5 and f5, opening a line for the queen on d1 and the bishop on f1.
Lines filed under A59
All four share the start 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 and then split two ways at Black’s move 5.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Benko Gambit Accepted: Yugoslav | 5...Bxa6 6.Nc3 d6 7.e4 | 13 | White +1 |
| Benko Gambit | 5...g6 6.Nc3 Bxa6 7.e4 Bxf1 8.Kxf1 d6 9.g3 | 17 | White +1 |
| Benko Gambit Accepted: Yugoslav | 5...g6 6.Nc3 Bxa6 7.e4 Bxf1 8.Kxf1 d6 9.Nge2 | 17 | White +1 |
| Benko Gambit Accepted: King Walk Variation | 5...g6 6.Nc3 Bxa6 7.Nf3 d6 8.e4 Bxf1 9.Kxf1 Bg7 10.g3 O-O 11.Kg2 | 21 | White +1, Black castled |
Benko Gambit
- 5...g6 The g-pawn advances to g6, covering f5 and h5, opening a line for the bishop on f8.
- 6.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
- 6...Bxa6 The bishop on c8 takes the pawn on a6, opening a line for the queen on d8.
- 7.e4 The e-pawn advances two squares to e4, covering d5 and f5, opening a line for the queen on d1 and the bishop on f1.
- 7...Bxf1 The bishop on a6 takes the bishop on f1, opening a line for the rook on a8.
Benko Gambit Accepted: Yugoslav
- 5...g6 The g-pawn advances to g6, covering f5 and h5, opening a line for the bishop on f8.
- 6.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
- 6...Bxa6 The bishop on c8 takes the pawn on a6, opening a line for the queen on d8.
- 7.e4 The e-pawn advances two squares to e4, covering d5 and f5, opening a line for the queen on d1 and the bishop on f1.
- 7...Bxf1 The bishop on a6 takes the bishop on f1, opening a line for the rook on a8.
Benko Gambit Accepted: King Walk Variation
- 5...g6 The g-pawn advances to g6, covering f5 and h5, opening a line for the bishop on f8.
- 6.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
- 6...Bxa6 The bishop on c8 takes the pawn on a6, opening a line for the queen on d8.
- 7.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
- 7...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the queen on d8.
The road to A59
- 1.d4 … 4.cxb5five earlier stops: A40, A45, A50, A56, A57
- 4...a6A57 Benko Gambit Accepted
- 5.bxa6A58 Fully Accepted Variation
- 7.e4A59
The position after 7.e4
White has brought out the knight on c3; Black the knight on f6 and bishop on a6. White has a half-open c-file; Black a half-open a-file, b-file. Black could capture with Bxf1, Nxd5, Nxe4. Black is to move and has 30 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| A65 | Benoni Defense: King’s Pawn Line | five squares: a6, a7, b7, e7, c8 |
| B90 | Sicilian Defense: Najdorf Variation | eight squares: g1, c2, d4, c5, d5, a6, b7, c8 |
| A66 | Benoni Defense: Pawn Storm Variation | nine squares: f2, f4, a6, g6, a7, b7, e7, g7 … |
| A70 | Benoni Defense: Classical Variation | nine squares: g1, f3, a6, g6, a7, b7, e7, g7 … |
| B91 | Sicilian Defense: Najdorf Variation, Zagreb Variation | ten squares: g1, c2, g2, g3, d4, c5, d5, a6 … |
| B92 | Sicilian Defense: Najdorf Variation, Opocensky Variation | ten squares: f1, g1, c2, e2, d4, c5, d5, a6 … |
| B93 | Sicilian Defense: Najdorf Variation, Amsterdam Variation | ten squares: g1, c2, f2, d4, f4, c5, d5, a6 … |