C60 Ruy Lopez
C60 holds 19 named lines, all under the name Ruy Lopez. It leaves C44 (King’s Knight Opening: Normal Variation) with 3.Bb5. Lines of 39 other codes continue from its position, the widest spread of the 40 Ruy Lopez codes. With 19 named lines it is the largest code of the 40 Ruy Lopez codes. At five plies, its reference line is the shortest of the 40 Ruy Lopez codes.
| # | White | Black |
|---|---|---|
| 1 | e4 | e5 |
| 2 | Nf3 | Nc6 |
| 3 | Bb5 |
The move that completes C60
The reference line of C61 plays all of these moves and continues beyond them; C60 is the position reached at 3.Bb5.
- 3.Bb5 The bishop leaves f1 for b5, opening a line for the rook on h1, attacking the knight on c6.
Lines filed under C60
All 19 share their first five plies, the whole reference line and then split 12 ways at Black’s move 3.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Ruy Lopez | (the shared start itself) | 5 | |
| Ruy Lopez: Alapin Defense | 3...Bb4 | 6 | |
| Ruy Lopez: Brentano Gambit | 3...g5 | 6 | |
| Ruy Lopez: Bulgarian Variation | 3...a5 | 6 | |
| Ruy Lopez: Cozio Defense | 3...Nge7 | 6 | |
| Ruy Lopez: Fianchetto Defense | 3...g6 | 6 | |
| Ruy Lopez: Lucena Variation | 3...Be7 | 6 | |
| Ruy Lopez: Nürnberg Variation | 3...f6 | 6 | |
| Ruy Lopez: Pollock Defense | 3...Na5 | 6 | |
| Ruy Lopez: Retreat Variation | 3...Nb8 | 6 | |
| Ruy Lopez: Rotary-Albany Gambit | 3...b6 | 6 | |
| Ruy Lopez: Spanish Countergambit | 3...d5 | 6 | |
| Ruy Lopez: Vinogradov Variation | 3...Qe7 | 6 | |
| Ruy Lopez: Cozio Defense, Paulsen Variation | 3...Nge7 4.Nc3 g6 | 8 | |
| Ruy Lopez: Fianchetto Defense, Kevitz Gambit | 3...g6 4.c3 f5 | 8 | |
| Ruy Lopez: Spanish Countergambit, Harding Countergambit, Fricke Gambit | 3...d5 4.Nxe5 Qg5 5.O-O | 9 | White +1, White castled |
| Ruy Lopez: Spanish Countergambit, Harding Gambit | 3...d5 4.Nxe5 Qg5 5.Nxc6 | 9 | White +4 |
| Ruy Lopez: Alapin Defense, Alapin Gambit | 3...Bb4 4.c3 Ba5 5.Bxc6 dxc6 | 10 | |
| Ruy Lopez: Cozio Defense, Tartakower Gambit | 3...g6 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nge7 7.Nc3 O-O 8.Qd2 d5 | 16 | Black castled |
The road to C60
- 1.e4 … 1...e5two earlier stops: B00, C20
- 2.Nf3C40 King’s Knight Opening
- 2...Nc6C44 Normal Variation
- 3.Bb5C60
The position after 3.Bb5
White has brought out the knight on f3 and bishop on b5; Black the knight on c6. Black is to move and has 30 legal moves.
Codes that branch off from C60
The reference lines of seven other codes leave C60 from two of its named positions; “From” gives the last part of that position’s name.
| Code | From | Moves | Reference line |
|---|---|---|---|
| C61 | Ruy Lopez | 3...Nd4 | Ruy Lopez: Bird Variation |
| C62 | Ruy Lopez | 3...d6 | Ruy Lopez: Steinitz Defense |
| C63 | Ruy Lopez | 3...f5 | Ruy Lopez: Schliemann Defense |
| C64 | Ruy Lopez | 3...Bc5 | Ruy Lopez: Classical Variation |
| C65 | Ruy Lopez | 3...Nf6 | Ruy Lopez: Berlin Defense |
| C70 | Ruy Lopez | 3...a6 | Ruy Lopez: Morphy Defense |
| C76 | Fianchetto Defense | 4.c3 a6 5.Ba4 d6 6.d4 Bd7 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| C50 | Italian Game | two squares: c4, b5 |
| C40 | King’s Knight Opening | four squares: f1, b5, c6, b8 |
| C46 | Three Knights Opening | four squares: b1, f1, c3, b5 |
| C48 | Four Knights Game: Spanish Variation | four squares: b1, c3, f6, g8 |
| C55 | Italian Game: Two Knights Defense | four squares: c4, b5, f6, g8 |
| C68 | Ruy Lopez: Exchange Variation | four squares: b5, a6, c6, a7 |
| B30 | Sicilian Defense: Old Sicilian | six squares: f1, b5, c5, e5, c7, e7 |
Where lines continue from here
Besides the codes above, they belong to C66, C67, C68, C69, C71, C72, C73, C74, C75, C77, C78, C79, C80, C81, C82, C83, C84, C85, C86, C87, C88, C89, C90, C91, C92, C93, C94, C95, C96, C97, C98, C99.