Plychess
Most Theoretical

Ruy Lopez

Also known as the Spanish Opening — one of the most important and theoretically rich openings in chess history.

ECO: C60-C99StrategicOpen Game
Main Line Moves
The Spanish Opening structure
1.e4

White claims the center.

1...e5

Black mirrors, controlling the center.

2.Nf3

White attacks e5 and develops.

2...Nc6

Black defends e5.

3.Bb5

The Ruy Lopez! White develops and pins the Knight to the King.

3...a6

Morphy Defense - Black questions the Bishop. The most popular response.

=Advanced
Morphy Defense (Main Line)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

The most popular and theoretically deepest variation. Both sides fight for every advantage.

Analyze
=Advanced
Berlin Defense
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6

The 'Berlin Wall' - solid and famously used by Kramnik against Kasparov. Leads to endgames.

Analyze
=/±Advanced
Closed Defense
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O

The classic Ruy Lopez structure. White builds slowly with d4 and maneuvering.

Analyze
=Intermediate
Open Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4

Black captures the pawn immediately. Leads to tactical play and active pieces.

Analyze
=/±Beginner
Exchange Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6

White doubles Black's pawns but gives up the Bishop pair. Simplifies to strategic play.

Analyze

Master the Ruy Lopez with Pro

Save Ruy Lopez variations to your repertoire and practice with spaced repetition.

Related Concepts & Tools

Related Openings

Understand the Ruy Lopez, not just the moves

Spanish priest Ruy López de Segura analyzed the opening in 1561. White indirectly pressures e5 while preserving options for c3 and d4.

Core plan

In closed lines White reroutes pieces toward the kingside and prepares d4; Black seeks queenside space with ...b5 and counterplay against e4.

Ask at the board: Should White maintain the bishop on a4 or exchange on c6 to damage the pawns?

Common mistake

Bxc6 does not automatically win e5 because Black can recapture with the d-pawn and defend tactically. Both sides often release the central tension too soon.

Interactive model line

Step through the position, drag pieces to test alternatives, then open the same line in Stockfish.

8br
bn
bb
bq
bk
bb
bn
br
7bp
bp
bp
bp
bp
bp
bp
bp
6
5
4
3
2wp
wp
wp
wp
wp
wp
wp
wp
1awr
bwn
cwb
dwq
ewk
fwb
gwn
hwr
Study path
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7Analyze this line with Stockfish