Morphy Defence tactics
Black asks the bishop what it wants, White refuses to answer for another twenty moves, and everything tactical hangs off the knight in between.
- 120 positions in the course
- Difficulty 1040–2626
- Section: Ruy Lopez Lines
- 5 levels
What the Morphy Defence produces tactically
Playing ...a6 questions the bishop on b5 and starts the argument that the rest of the Ruy Lopez is about. If the bishop retreats to a4 it keeps the pressure on c6 and the b5 square remains contested for a long time. If it takes, the game becomes the Exchange. Either way the knight on c6 is the piece under discussion, and the pawn it defends on e5 is the thing that actually hangs.
That gives the opening a specific tactical signature. When the c6 knight is deflected, pinned or forced to move, e5 becomes loose, and a large share of Ruy Lopez shots are simply that observation executed a move before the defender expects it. The rest come from the slow kingside build-up: the knight tour through d2 and f1 to g3, a rook lift, and the moment a wing pawn advance opens a diagonal.
How to spot it
- Ask what happens to e5 every time the knight on c6 has to move. That one question finds most of the tactics in this opening.
- Watch the bishop's retreat squares. A queenside pawn advance can leave it with fewer than it looks, and a trapped bishop on the a2-g8 diagonal is a real Ruy Lopez pattern.
- The d5 break is the tactical moment for both sides. Calculate it specifically rather than waiting for it to become obvious.
- In the closed positions, the shots usually arrive the move after a wing pawn advance opens a line. Recheck the whole board after every one.
Three Morphy Defence positions
Three positions from the 120 in this skill, easiest first. The highlighted squares are the move your opponent has just played. Work it out before you open the answer.
Position 1
White to move. Find the best move.
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18...Bxe1 19.Ng6#
The line ends in checkmate. Main-line Ruy Lopez middlegames are built on the standing pressure against c6 and e5 and a long manoeuvring phase, and this is the kind of position that produces.
The position comes from the middlegame of a real game, rated 1495 for difficulty. The answer reaches checkmate.
Position 2
White to move. Find the best move.
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16...Bg5 17.d5 Qd7 18.Bxg5
The line wins a piece. Main-line Ruy Lopez middlegames are built on the standing pressure against c6 and e5 and a long manoeuvring phase, and this is the kind of position that produces.
The position comes from the middlegame of a real game, rated 1732 for difficulty. The answer reaches a clear advantage.
Position 3
White to move. Find the best move.
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18...Bf6 19.Qh3 g6 20.Qxd7
The line wins a piece. Main-line Ruy Lopez middlegames are built on the standing pressure against c6 and e5 and a long manoeuvring phase, and this is the kind of position that produces.
The position comes from the middlegame of a real game, rated 2077 for difficulty. The answer reaches a winning advantage.
The plans that make the tactics possible
White's standard method is slow and worth trusting: complete the kingside setup, get the knight to g3 or f5 by the long route, and only then break in the centre. The tactics arrive on their own once the pieces are on the right squares, and trying to force them earlier is how the c3 and d4 pawns end up weak.
Black's is the queenside expansion, and its risk is that it is easy to play on autopilot. Every one of those pawn moves is a move not spent on the kingside, where White's pieces are quietly assembling. The two plans race, and the tactics decide which one arrived first.
Questions people ask
Why is 3...a6 called the Morphy Defence?
Paul Morphy popularised it in the mid-nineteenth century. It is now so standard that most sources simply call the resulting positions the main-line Ruy Lopez, but the name for the move itself has stuck.
Does 3...a6 actually threaten to win the bishop?
Not immediately, and that is the well-known trick in the position: after the bishop takes on c6 and Black recaptures, White can often win the e5 pawn temporarily. The point of ...a6 is longer-term, forcing White to decide about the bishop and gaining the option of ...b5 later.
Nearby patterns
Morphy Defence sits in Ruy Lopez Lines. The rest of that section: