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interests / rec.games.chess.misc / blocking

SubjectAuthor
* blockingElvenverb
`* Re: blockingWilliam Hyde
 `- Re: blockingEli Kesef

1
blocking

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Subject: blocking
From: jfwal...@gmail.com (Elvenverb)
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 by: Elvenverb - Fri, 23 Sep 2022 22:30 UTC

Sometimes you can put a bishop or a knight in the way of another
piece to block their activity. It's fairly common to block the queen's
diagonal attack with a rook. Is there a name for this move? The
piece does not threaten the aggressor, but obstructs the path of a
threat.

Re: blocking

<f7d966d8-2f1b-4f4c-bc22-64c23e894447n@googlegroups.com>

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Subject: Re: blocking
From: wthyde1...@gmail.com (William Hyde)
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 by: William Hyde - Sun, 25 Sep 2022 00:09 UTC

On Friday, September 23, 2022 at 6:30:30 PM UTC-4, Elvenverb wrote:
> Sometimes you can put a bishop or a knight in the way of another
> piece to block their activity. It's fairly common to block the queen's
> diagonal attack with a rook. Is there a name for this move? The
> piece does not threaten the aggressor, but obstructs the path of a
> threat.

I've never heard this called anything but blocking.

But a more complex maneuver, in which you put a piece on a square where the paths of two opposing
pieces intersect (e.g. d3 if the white queen and KB are on their original squares) is called a Grimshaw.

It's very rare in games, Tarrasch pulled one off once, but it is common in problems. The idea being that whichever piece captures blocks the other one. So a triple block, first you block two of his pieces, then he blocks one.

William Hyde

Re: blocking

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Subject: Re: blocking
From: nastyhor...@gmail.com (Eli Kesef)
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 by: Eli Kesef - Thu, 6 Oct 2022 19:05 UTC

On Sunday, September 25, 2022 at 3:09:29 AM UTC+3, William Hyde wrote:
> On Friday, September 23, 2022 at 6:30:30 PM UTC-4, Elvenverb wrote:
> > Sometimes you can put a bishop or a knight in the way of another
> > piece to block their activity. It's fairly common to block the queen's
> > diagonal attack with a rook. Is there a name for this move? The
> > piece does not threaten the aggressor, but obstructs the path of a
> > threat.
> I've never heard this called anything but blocking.

Bs"d

What about "interference"?

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