In Ruy Lopez, why doesn't knight take e5

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ScytheAR
Why doesn't white capture e5 after bishop takes the knight, pawn takes bishop?

 

Strangemover

6.Qd4

LouStule
Strangemover wrote:

6.Qd4

Then white castles. Or bishop e3.

mcris

And loses the kNight.

macer75
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