E08 Catalan Opening: Closed
E08 holds seven named lines, all under the name Catalan Opening. It leaves E07, a position of the same name, with 7.Qc2. With seven named lines it is the largest code of the 10 Catalan Opening codes. Black, to move in that position, has 28 legal moves, level for the fewest of the 10 Catalan Opening codes. At 13 plies, its reference line is the second-longest of the 10 Catalan Opening codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | e6 |
| 3 | g3 | d5 |
| 4 | Bg2 | Be7 |
| 5 | Nf3 | O-O |
| 6 | O-O | Nbd7 |
| 7 | Qc2 |
Moves only E08 plays
Same as E07 up to 6...Nbd7, then:
- 7.Qc2 The queen goes from d1 to c2, opening a line for the rook on f1, guarding the pawn on c4.
Lines filed under E08
All seven share the start 1.d4 and then split two ways at Black’s move 1.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Catalan Opening: Closed | 1...Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 | 13 | both castled |
| Catalan Opening: Closed | 1...Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 | 15 | both castled |
| Catalan Opening: Closed | 1...Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 b6 | 16 | both castled |
| Catalan Opening: Closed | 1...Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 8.Rd1 Nbd7 9.Bf4 | 17 | both castled |
| Catalan Opening: Closed, Zagoryansky Variation | 1...e6 2.c4 Nf6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Qc2 c6 8.Rd1 b6 9.a4 | 17 | both castled |
| Catalan Opening: Closed | 1...Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4 | 19 | both castled |
| Catalan Opening: Closed, Spassky Gambit | 1...Nf6 2.c4 e6 3.g3 Be7 4.Bg2 d5 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 b5 | 20 | both castled |
The road to E08
- 1.d4 … 4...Be7six earlier stops: A40, A45, A50, E00, E01
- 5.Nf3E06 Closed
- 6...Nbd7E07 Closed
- 7.Qc2E08
The position after 7.Qc2
White has brought out the knight on f3 and bishop on g2; Black the knight on d7, knight on f6 and bishop on e7. Black could capture with dxc4.
Codes that branch off from E08
The reference lines of one other code leave E08 from the position after 7.Qc2, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| E09 | 7...c6 8.Nbd2 | Catalan Opening: Closed, Main Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| A93 | Dutch Defense: Stonewall Variation, Botvinnik Variation | eight squares: d1, b2, c2, b3, f5, d7, f7, b8 |
| A96 | Dutch Defense: Classical Variation | eight squares: d1, c2, d5, f5, d6, d7, f7, b8 |
| D77 | Neo-Grünfeld Defense: Classical Variation | eight squares: d1, c2, e6, g6, d7, e7, g7, b8 |
| A14 | English Opening: Agincourt Defense, Neo-Catalan Declined | ten squares: d1, c2, d2, d4, d7, b8, e8, f8 … |
| A95 | Dutch Defense: Stonewall Variation | ten squares: b1, d1, c2, c3, f5, c6, c7, d7 … |
| A98 | Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line | ten squares: b1, c3, d5, f5, d6, d7, f7, b8 … |
| D78 | Neo-Grünfeld Defense: Classical Variation, Original Defense | ten squares: d1, c2, c6, e6, g6, c7, d7, e7 … |
Where lines continue from here
Four named lines filed under other codes pass through the position after 7.Qc2. All of them belong to the codes listed above.
Other move orders
- Catalan Opening: Closed is also reached inside E09 Catalan Opening: Closed Variation, Traditional Variation, whose order is 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Qc2.
- Catalan Opening: Closed is also reached inside E09 Catalan Opening: Closed, Main Line, whose order is 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4.