B75 Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations
B75 holds three named lines, all under the name Sicilian Defense. It leaves B72 (Sicilian Defense: Dragon Variation) with 6...Bg7 7.f3. That final move, by the f-pawn, covers e4 and g4 and opens a line for the bishop on e3. Of all other reference positions, the board of B76 (Dragon Variation, Yugoslav Attack) comes closest, four squares apart.
| # | White | Black |
|---|---|---|
| 1 | e4 | c5 |
| 2 | Nf3 | d6 |
| 3 | d4 | cxd4 |
| 4 | Nxd4 | Nf6 |
| 5 | Nc3 | g6 |
| 6 | Be3 | Bg7 |
| 7 | f3 |
Lines filed under B75
All three share the start 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 and then split two ways at Black’s move 6.
| Name | After the shared start | Plies |
|---|---|---|
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | 6...Bg7 7.f3 | 13 |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | 6...Bg7 7.f3 Nc6 | 14 |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Hungarian Dragon | 6...Nc6 7.f3 h5 | 14 |
Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line
- 6...Bg7 The bishop leaves f8 for g7, opening a line for the rook on h8, guarding the rook on h8.
- 7.f3 The f-pawn advances to f3, covering e4 and g4, opening a line for the bishop on e3.
- 7...Nc6 The knight leaves b8 for c6, opening a line for the rook on a8, attacking the knight on d4.
Sicilian Defense: Dragon Variation, Yugoslav Attack, Hungarian Dragon
- 6...Nc6 The knight leaves b8 for c6, opening a line for the rook on a8, attacking the knight on d4.
- 7.f3 The f-pawn advances to f3, covering e4 and g4, opening a line for the bishop on e3.
- 7...h5 The h-pawn advances two squares to h5, covering g4, opening a line for the rook on h8.
The road to B75
- 1.e4 … 5.Nc3seven earlier stops: B00, B20, B27, B50, B54
- 5...g6B70 Dragon Variation
- 6.Be3B72 Dragon Variation
- 7.f3B75
The position after 7.f3
White has brought out the knight on c3, knight on d4 and bishop on e3; Black the knight on f6 and bishop on g7. White has a half-open d-file; Black a half-open c-file. Black could capture with Nxe4. Black is to move and has 35 legal moves.
Codes that branch off from B75
The reference lines of one other code leave B75 from the position after 7.f3, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| B76 | 7...O-O | Sicilian Defense: Dragon Variation, Yugoslav Attack |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| B70 | Sicilian Defense: Dragon Variation | six squares: c1, f2, e3, f3, g7, f8 |
| B71 | Sicilian Defense: Dragon Variation, Levenfish Variation | six squares: c1, e3, f3, f4, g7, f8 |
| E80 | King’s Indian Defense: Sämisch Variation | seven squares: c1, g1, c2, e3, c4, d4, c7 |
| B08 | Pirc Defense: Classical Variation | eight squares: c1, f2, e3, f3, d4, c7, g7, f8 |
| B35 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | eight squares: f1, f2, f3, c4, c6, d6, d7, b8 |
| E90 | King’s Indian Defense: Normal Variation, Rare Defenses | eight squares: c1, c2, f2, e3, f3, c4, d4, c7 |
| A71 | Benoni Defense: Classical Variation, Averbakh-Grivas Attack | nine squares: c2, f2, e3, f3, d4, c5, d5, g5 … |
Where lines continue from here
Seventeen named lines filed under other codes pass through the position after 7.f3. Besides the codes above, they belong to B77, B78, B79.