D05 Queen’s Pawn Game: Colle System
Also filed here: Rubinstein Opening.
D05 holds 15 named lines from two openings, most of them (nine) under Queen’s Pawn Game. It leaves D04, a position of the same name, with 3...e6. White, to move in that position, has 31 legal moves, the most of the 7 Queen’s Pawn Game codes. At six plies, its reference line is the longest of the 7 Queen’s Pawn Game codes. Black’s pieces and pawns attack five squares in White’s half, the most of the 7 Queen’s Pawn Game codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | Nf3 | Nf6 |
| 3 | e3 | e6 |
Moves only D05 plays
Same as D04 up to 3.e3, then:
- 3...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 D05
All 15 share the start 1.d4 and then split two ways at Black’s move 1.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 | 6 | |
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 | 7 | |
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 4.b3 | 7 | |
| Queen’s Pawn Game: Colle System, Traditional Colle | 1...Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.c3 | 9 | |
| Queen’s Pawn Game: Zukertort Variation | 1...d5 2.Nf3 c5 3.e3 Nf6 4.Nbd2 e6 5.b3 | 9 | |
| Rubinstein Opening | 1...Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.b3 | 9 | |
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 4.b3 c5 5.Bb2 Nc6 | 10 | |
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 4.b3 c5 5.Bb2 Nc6 6.Bd3 | 11 | |
| Queen’s Pawn Game: Colle System | 1...d5 2.Nf3 Nf6 3.e3 e6 4.b3 c5 5.Bb2 Nc6 6.Nbd2 | 11 | |
| Rubinstein Opening: Semi-Slav Defense | 1...d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 Bd6 5.O-O O-O 6.b3 Nbd7 7.Bb2 | 13 | both castled |
| Rubinstein Opening: Bogoljubow Defense | 1...Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.b3 Nc6 6.O-O Bd6 7.Bb2 O-O | 14 | both castled |
| Rubinstein Opening: Classical Defense | 1...Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.b3 Nc6 6.O-O Be7 7.Bb2 O-O | 14 | both castled |
| Rubinstein Opening: Semi-Slav Defense | 1...d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 Bd6 5.O-O O-O 6.b3 Nbd7 7.Bb2 c6 | 14 | both castled |
| Rubinstein Opening: Semi-Slav Defense | 1...d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 Bd6 5.O-O O-O 6.b3 Nbd7 7.Bb2 c6 8.Nbd2 | 15 | both castled |
| Queen’s Pawn Game: Colle System | 1...Nf6 2.Nf3 e6 3.e3 b6 4.Bd3 Bb7 5.O-O c5 6.b3 Be7 7.Bb2 O-O 8.Nbd2 d5 | 16 | both castled |
The road to D05
- 1.d4 … 2.Nf3three earlier stops: A40, D00, D02
- 2...Nf6D02 Symmetrical Variation
- 3.e3D04 Colle System
- 3...e6D05
The position after 3...e6
White has brought out the knight on f3; Black the knight on f6.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D26 | Queen’s Gambit Accepted: Normal Variation, Traditional System | three squares: c2, c4, d5 |
| D25 | Queen’s Gambit Accepted: Normal Variation | five squares: c2, c4, d5, e6, e7 |
| A46 | Indian Defense: Knights Variation | six squares: e2, e3, d5, e6, d7, e7 |
| C01 | French Defense: Exchange Variation | six squares: g1, e3, f3, d5, f6, g8 |
| C02 | French Defense: Advance Variation | six squares: g1, e3, f3, e5, f6, g8 |
| C04 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | six squares: b1, d2, e3, e4, c6, b8 |
| C05 | French Defense: Tarrasch Variation, Closed Variation | six squares: b1, g1, d2, e3, f3, e4 |