B88 Sicilian Defense: Sozin Attack, Leonhardt Variation
B88 holds two named lines, all under the name Sicilian Defense. It leaves B57 (Sicilian Defense: Classical Variation, Sozin Attack) with 6...e6. White, to move in that position, has 49 legal moves, the second-highest count of all 500 codes. Lines filed under B89 reach one of its named positions by a different move order.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | Nc6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | d6 |
| 6 | Bc4 | e6 |
The move that completes B88
The reference line of B89 plays all of these moves and continues beyond them; B88 is the position reached at 6...e6.
- 6...e6 The e-pawn advances to e6, covering d5 and f5, opening a line for the queen on d8 and the bishop on f8.
Lines filed under B88
Both share their first 12 plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Sicilian Defense: Sozin Attack, Leonhardt Variation | (the shared start itself) | 12 | |
| Sicilian Defense: Sozin Attack, Fischer Variation | 7.Bb3 Be7 8.Be3 O-O 9.f4 | 17 | Black castled |
Sicilian Defense: Sozin Attack, Fischer Variation
- 7.Bb3 The bishop goes from c4 to b3.
- 7...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.
- 8.Be3 The bishop leaves c1 for e3, opening a line for the rook on a1 and the queen on d1.
- 8...O-O Black castles kingside, opening a line for the queen on d8, guarding the pawn on g7.
- 9.f4 The f-pawn advances two squares to f4, covering e5 and g5.
The road to B88
Two of the ten named positions on the way are reached by a move order other than their own.
- 1.e4 … 5.Nc3eight earlier stops: B00, B20, B27, B30, B32, B33
- 5...d6B56 Classical Variation by another order
- 6.Bc4B57 Sozin Attack by another order
- 6...e6B88
The position after 6...e6
White has brought out the knight on c3, knight on d4 and bishop on c4; Black the knight on c6 and knight on f6. White has a half-open d-file; Black a half-open c-file. White could capture with Bxe6, Nxc6, Nxe6.
Codes that branch off from B88
The reference lines of one other code leave B88 from the position after 6...e6, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| B89 | 7.Be3 | Sicilian Defense: Sozin Attack, Main Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B86 | Sicilian Defense: Sozin Attack | two squares: c6, b8 |
| B56 | Sicilian Defense: Classical Variation | four squares: f1, c4, e6, e7 |
| B58 | Sicilian Defense: Classical Variation | four squares: e2, c4, e6, e7 |
| B62 | Sicilian Defense: Richter-Rauzer Variation | four squares: c1, f1, c4, g5 |
| B80 | Sicilian Defense: Scheveningen Variation | four squares: f1, c4, c6, b8 |
| B83 | Sicilian Defense: Scheveningen Variation, Classical Variation | four squares: e2, c4, c6, b8 |
| B45 | Sicilian Defense: Taimanov Variation | six squares: f1, c4, d6, f6, d7, g8 |
Where lines continue from here
Three named lines filed under other codes pass through the position after 6...e6. All of them belong to the codes listed above.
Other move orders
- Sicilian Defense: Sozin Attack, Leonhardt Variation is also reached inside B89 Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation, whose order is 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6.