C67 Ruy Lopez: Berlin Defense, Rio Gambit Accepted
C67 holds 16 named lines, all under the name Ruy Lopez. It leaves C65 (Ruy Lopez: Berlin Defense) with 4...Nxe4. When the reference line ends, Black is one pawn up on material. Both queens have left the board by the end of Ruy Lopez: Berlin Defense, Berlin Wall and one more of its lines. With 16 named lines it is the third-largest code of the 40 Ruy Lopez codes.
| # | White | Black |
|---|---|---|
| 1 | e4 | e5 |
| 2 | Nf3 | Nc6 |
| 3 | Bb5 | Nf6 |
| 4 | O-O | Nxe4 |
Moves only C67 plays
Same as C66 up to 4.O-O, then:
- 4...Nxe4 The knight on f6 takes the pawn on e4, opening a line for the queen on d8.
Lines filed under C67
All 16 share their first eight plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Ruy Lopez: Berlin Defense, Rio Gambit Accepted | (the shared start itself) | 8 | Black +1, White castled |
| Ruy Lopez: Berlin Defense, Rio de Janeiro Variation | 5.d4 Be7 | 10 | Black +1, White castled |
| Ruy Lopez: Berlin Defense, Rosenthal Variation | 5.d4 a6 | 10 | Black +1, White castled |
| Ruy Lopez: Berlin Defense, l’Hermet Variation | 5.d4 Nd6 | 10 | Black +1, White castled |
| Ruy Lopez: Berlin Defense, Minckwitz Variation | 5.d4 Be7 6.dxe5 | 11 | White castled |
| Ruy Lopez: Open Berlin Defense, Showalter Variation | 5.d4 Nd6 6.Ba4 | 11 | Black +1, White castled |
| Ruy Lopez: Open Berlin Defense, l’Hermet Variation | 5.d4 Nd6 6.dxe5 | 11 | White castled |
| Ruy Lopez: Berlin Defense, Trifunovic Variation | 5.d4 Be7 6.Qe2 d5 | 12 | Black +1, White castled |
| Ruy Lopez: Berlin Defense, l’Hermet Variation, Westerinen Line | 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Ne4 | 14 | White castled |
| Ruy Lopez: Berlin Defense, Cordel Variation | 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nf5 | 16 | White castled |
| Ruy Lopez: Berlin Defense, l’Hermet Variation, Berlin Wall Defense | 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 | 16 | White castled, queens off |
| Ruy Lopez: Berlin Defense, Pillsbury Variation | 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.b3 | 17 | White castled |
| Ruy Lopez: Berlin Defense, Winawer Attack | 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nd4 | 17 | White castled |
| Ruy Lopez: Berlin Defense, Zukertort Variation | 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.c4 | 17 | White castled |
| Ruy Lopez: Berlin Defense, Berlin Wall | 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 Bd7 | 18 | White castled, queens off |
| Ruy Lopez: Berlin Defense, Rio de Janeiro Variation | 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3 O-O 10.Re1 Nc5 11.Nd4 Ne6 12.Be3 Nxd4 13.Bxd4 c5 | 26 | both castled |
The road to C67
- 1.e4 … 3.Bb5five earlier stops: B00, C20, C40, C44, C60
- 3...Nf6C65 Berlin Defense
- 4.O-OC65 Berlin Defense
- 4...Nxe4C67
The position after 4...Nxe4
White has brought out the knight on f3 and bishop on b5; Black the knight on c6 and knight on e4. White has a half-open e-file. White could capture with Bxc6, Nxe5. White is to move and has 29 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| C80 | Ruy Lopez: Open | four squares: a4, b5, a6, a7 |
| C60 | Ruy Lopez | six squares: e1, f1, g1, h1, e4, g8 |
| C78 | Ruy Lopez: Morphy Defense | six squares: a4, e4, b5, a6, f6, a7 |
| C44 | King’s Knight Opening: Normal Variation | seven squares: e1, f1, g1, h1, e4, b5, g8 |
| C69 | Ruy Lopez: Exchange Variation, Normal Variation | seven squares: e4, b5, a6, c6, a7, d7, g8 |
| C48 | Four Knights Game: Spanish Variation | eight squares: b1, e1, f1, g1, h1, c3, e4, f6 |
| C50 | Italian Game | eight squares: e1, f1, g1, h1, c4, e4, b5, g8 |