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MatPlus.Net Forum General Bristol theme revisited
 
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(21) Posted by Zalmen Kornin [Monday, Aug 7, 2023 20:30]

Ok Viktoras... it's not a Version, just a sketch

Voilà, Jacques...

(= 13+11 )
#4
 
   
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(22) Posted by Jacques Rotenberg [Monday, Aug 7, 2023 21:19]

Another development worth noting:

Milan Vukcevich
Die Schwalbe 1971
1st Pr.
(= 11+11 )
3#

1…Bc2 2.R×c2 [3.Qg1‡]
1...Bxd3 2.e3#
1...e5 2.Bg1#
1...Bxb4 2.Qxb2+
1...cxb4 2.Rh1!

1.Rd1? blocus
1…Bc2!

1.Rh1? blocus
1…c×b4!

1.Rf1!! blocus
1…Bc2 2.Qe1! [3.Qf2‡]
1…c×b4 2.Rh1! Bc2 3.Qg1‡

complete block, two Bristols with "Bristol hesitation"
 
   
(Read Only)pid=25037
(23) Posted by Jacques Rotenberg [Tuesday, Aug 8, 2023 02:08]

Here is the content of the two 4# of Brunner:

In the 1911 version

Erich Brunner
Deutsches Wochenschach 1911
Dedicated to E. Delpy

(= 11+11 )
4#

1.Rb1? [2.Qf2‡] f×g3!
1.Rb1 is a self-block! (2.Qb1?? would solve and if 2.Qc1? Sb4! 3.Rxb4 Rxa7+!)

1.Rh1? fxg3! 2.Qb1 h6! and white has no waiting move!

Thus :
1.Ra1!!

1...fxg3 2.Qb1 h6 3.Ra2!
1...h6 2.Rh1!!
2...fxg3 3.Qb1!
2...f3 3.Rb1! [3.Qf2#]

in the 1953 version, you have the additional try 1.Qb1? h3! but the lack of the try 1.Rh1? is a big loss
 
   
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(24) Posted by Zalmen Kornin [Wednesday, Aug 9, 2023 00:02]

@Jacques: Many thanks for the excellent examples of mates in 4 with clearance combinations! (Brunner's I can't find here on my Breuer's 1800... Particularly inspiring (!) the 1911... getting those extreme to extreme movements was remarkable...

@Marcos: Muito obrigado for starting this thread with this reverent alternative setting to the Healey classic... Does the (let's say) dehydrated setting - paradoxically!? - raise some (as A C White would say) flights of fancy...

@Viktoras: Loyd and Turton appears in the story only because they were contemporaries of Francis Healey, equally interested in clearances...

@Arno: Thanks for the examples, particularly for the 1957 Zhabrov

* ... Well, anyway - maybe it's not simple to define what it is in words, but nobody can say it's nothing . Or call it

THE ALBATROSS BRISTOL (= 13+11 )
#4
 
 
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MatPlus.Net Forum General Bristol theme revisited