Ruy López: Berlin Defense

The Ruy López: Berlin Defense (ECO code C65) is a chess opening that begins with 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6. The 'Berlin Wall' — Kramnik used it to dethrone Kasparov in 2000. After 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8, the resulting endgame is surprisingly complex.

The main line of the Ruy López: Berlin Defense is 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6. It is classified under ECO code C65 and falls in the Open Game family of chess openings. From this starting position, both sides have well-established plans — White typically continues with natural developing moves while Black follows the response patterns described above.

The Ruy López: Berlin Defense is a reasonable choice for beginners who want exposure to open game positions. The main line (1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6) is easy to remember, and the resulting middlegame patterns are well-documented. Focus on understanding the typical pawn structure rather than memorizing 15 moves of theory — engine review of your own games at chess.rodeo is more useful than theory study at the club level.

The Ruy López: Berlin Defense is classified as ECO code C65. ECO (Encyclopaedia of Chess Openings) is the standard five-letter classification system developed by Chess Informant in the 1970s — A-codes cover flank openings, B-codes 1.e4 replies that aren't 1...e5, C-codes 1.e4 e5 openings, D-codes 1.d4 d5 systems, and E-codes Indian Defenses. You can browse all openings by ECO code in our free opening database.

Use chess.rodeo for full Stockfish analysis of your Ruy López: Berlin Defense games — no account required, no daily cap, no paywall. Paste your PGN and get instant engine evaluation on every move, including the opening phase. For move-by-move replay without engine output, use our free PGN viewer. Both are completely free with no signup.