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Ruy Lopez C60–C99

The Spanish Inquisition

Final position of the Ruy Lopez main line

Berlin Defense

One of the most enduring openings in chess. White attacks the Nc6 with 3.Bb5, putting indirect pressure on the e5 pawn. Played at every level from club to world championship.

The Ruy Lopez is one of the most deeply studied openings in chess history. It offers White a reliable, principled way to fight for an advantage with rich strategic play. Learning the Ruy Lopez builds fundamental understanding of pawn structures, piece coordination, and long-term planning.

Key strategic ideas

  • The bishop on b5 pins Black's knight to the king. If White trades bishop for knight (Bxc6), Black's pawns get doubled, creating a long-term weakness.
  • After Black plays ...a6, White retreats the bishop to a4 and keeps pressure on the centre. The plan is to build with c3 and d4, creating a strong pawn centre.
  • In the Berlin Defense, Black immediately attacks e4 with Nf6. The resulting endgame is very solid for Black and is used by world champions to draw with Black.

Common mistakes & traps

  • When White captures on c6, Black should recapture with the d-pawn (7...dxc6), not the b-pawn. Taking with b7 leaves the a-pawn stranded and the queenside weak.
  • In the Marshall Attack, White must not grab the pawn carelessly. Accepting with 9.exd5 Nxd5 10.Nxe5? gives Black a ferocious attack with 10...Nxe5 11.Rxe5 c6.

Pawn structure notes

The centre is defined by e4 against e5. White aims for a d4-e4 duo. Black often plays ...d6 to support e5. In the Exchange Variation, Black gets doubled c-pawns but gains the two bishops.

Name origin

Named after Ruy López de Segura, a 16th-century Spanish priest and chess player who analysed 3.Bb5 in his 1561 book, one of the first printed chess treatises.

Famous practitioners & games

Bobby Fischer, Magnus Carlsen, Anatoly Karpov, Garry Kasparov

Bobby Fischer vs Boris Spassky
World Championship Match (Game 3) · 1972 · 1-0

Fischer chose the Exchange Variation to neutralise Spassky's preparation, winning a famous endgame.
Magnus Carlsen vs Viswanathan Anand
World Championship Match (Game 1) · 2013 · 1-0

Carlsen ground down Anand in a marathon 58-move game from the Berlin Defense.

Lines

Berlin Defense intermediate
1. e4 e5
2. Nf3 Nc6
3. Bb5 Nf6
Black fights back immediately with 3...Nf6, attacking e4. The resulting endgame after 4.O-O Nxe4 is one of the most deeply analyzed in chess.
Practice
Morphy Defense beginner
1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
Black immediately challenges the bishop with 3...a6, forcing White to declare intentions. The starting point for most Ruy Lopez theory.
Practice
Closed Ruy Lopez intermediate
1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
4. Ba4 Nf6
5. O-O Be7
6. Re1
White castles and centralises the rook on e1, building slow but lasting pressure. The backbone of the Ruy Lopez system.
Practice
Exchange Variation intermediate
1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
4. Bxc6 dxc6
5. Nxe5
White trades bishop for knight, doubling Black's pawns, then snatches the e5 pawn. Black gets the bishop pair as long-term compensation.
Practice
Marshall Attack advanced
1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
4. Ba4 Nf6
5. O-O Be7
6. Re1 b5
7. Bb3 O-O
8. c3 d5
Black sacrifices a pawn with ...d5 to gain a powerful, long-lasting initiative. One of the most analysed gambit lines in all of chess - White has been trying to refute it for over a century.
Practice
Open Ruy Lopez advanced
1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
4. Ba4 Nf6
5. O-O Nxe4
6. d4 b5
7. Bb3 d5
Black captures the e4 pawn immediately. A sharp, double-edged line where both sides fight for the initiative from the start.
Practice