Thread: White 20
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Old 2014-02-05, 16:05   #6
cheesehead
 
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"Richard B. Woods"
Aug 2002
Wisconsin USA

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It seems to me that [B]20 Ne4[/B] is our best move, and we might as well post it now.

- - -

[QUOTE=cheesehead;366180][B]20 Ne4[/B]

[B]20 ... bxc3 21 bxc3[/B]

Now, suppose [B]21 ... Rb3[/B].

< snip >
[B]22 Nd6+[/B]
< snip >
If 22 ... Kd7 23 Rxf7 (threatening 24 Bxc6+ Kxc6 25 Rxe7) ... Bf8 (or 23 ... Rb6 24 Rxg7) 24 Bxh6 Rxh6 25 Rxf8 and we're[/QUOTE]two pawns[quote]up but need to activate our QR and N/d1.[/quote]- - -

[QUOTE=cheesehead;366180][B]20 Ne4[/B]

[B]20 ... bxc3 21 bxc3[/B]

Now, suppose [B]21 ... Rb3[/B].

< snip >

[B]22 Nd6+[/B]
< snip >
If 22 ... Kf8 23 Rxf7+[/QUOTE]Stronger would be 23 Nxf7.
If 23 ... Rh7 24 Ng5+ Kg8 25 Nxh7 Kxh7 26 Bh3
If 23 ... Rg8 24 Nxh6+

- - -

[QUOTE=cheesehead;366180][B]20 Ne4[/B]
< snip >

What if we check on d6 before retaking on c3?
[B]20 ... bxc3 21 Nd6+[/B]
Black's responses are the same as above, [I]but[/I] if we don't check or take on c3 on move 22, Black has 22 ... cxb2 or 22 ... c2 [/QUOTE]After looking further, I see no advantage to 21 Nd6+ here. The tempo we save by not retaking on c3 immediately simply has to be used later to re-take on c3, lest we be worse off.

- - -

There remains the question:
[QUOTE=cheesehead;366180][B]20 Ne4[/B]

[B]20 ... bxc3 21 bxc3[/B]

< snip >

(Suppose Black makes a different move 21.
[B]21 ... ??? [/B])[/QUOTE]

Last fiddled with by cheesehead on 2014-02-05 at 16:38
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