intermediateRuy Lopez♚ Black to play+35 XP

Mortimer Trap

A positional trap where Black equalizes quickly and pins the knight for lasting pressure.

Move Sequence

1.e4e52.Nf3Nf63.Nxe5d64.Nf3Nxe45.d3Nf66.d4d57.Bd3Bd68.O-OO-O9.Nc3Bg4

Step-by-Step Explanation

1

Black counter-attacks with Nf6 in the Petrov Defense

2

After Nxe4 and d3, Black retreats and builds a solid position

3

Bg4 pins the f3 knight, creating lasting pressure

4

Black achieves a comfortable, active position

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