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Ruy lopez

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John_Doe18

 

 

 

 

 

 

 

In the ruy lopez position above, why black should not play b5?

t-lo

He would get captured by the black pawn

John_Doe18

ok, but what after this?

Scottrf

Castle apparently, with the idea of opening the a file for the rook if you take the bishop.

Not sure if that is good enough compensation for the doubled pawn and bishop pair though, but white seems to have success.

azziralc
John_Doe18 wrote:

ok, but what after this?

 

This move loses a pawn and gains a open file for White. 

azziralc
Scottrf wrote:

Castle apparently, with the idea of opening the a file for the rook if you take the bishop.

Not sure if that is good enough compensation for the doubled pawn and bishop pair though, but white seems to have success.

White will capture the e5 pawn if Black moves ...Na5

azziralc
pfren wrote:

Black does not gain much from ...b5 THAT quickly. The bishop is well placed on b3, and sometimes the b5 pawn gives white a target for queenside play with a2-a4.

Playing ...b5 quickly will weakens the dark-squares for Black. And will give White an powerful d5 post for Bishop.

Scottrf
nyLsel wrote:
Scottrf wrote:

Castle apparently, with the idea of opening the a file for the rook if you take the bishop.

Not sure if that is good enough compensation for the doubled pawn and bishop pair though, but white seems to have success.

White will capture the e5 pawn if Black moves ...Na5


What about Qg5 after your diagram, forking knight and g2 pawn?

azziralc

6...Qg5 7.Bxf7+ Ke7 8.d4 Qxg2 9.Rf1 Qxh2 10.Bg5+ is better for White, with an exposed King.

azziralc

or 6...Qg5 7.Qf3! (7...Qxe5 8.Qxf7+ Kd8 9.Qxf8+ Qe8 10.Qxe8 Kxe8 is better for White) 7...Nxb3 8.Qxf7+ Kd8 9.Qxf8#

Scottrf

Thanks, I'll take a look through later.

azziralc
azziralc
azziralc

The point of ...a6, ...b5, ...Na5 doesn't helps Black to develop.