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MatPlus.Net Magazine General 13 years ago... or: better late than never
 
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(1) Posted by Uri Avner [Saturday, Apr 28, 2007 13:09]; edited by Uri Avner [07-04-28]

13 years ago... or: better late than never


Referring to Miodrag Mladenović's excellent article "Reciprocally Changed Variations in Threemovers (1)" published 13 years ago on the very first (Spring 1994) issue of Mat Plus, I would like to comment (after a long wait) about an inaccuracy regarding example no.11.

On page 24 Misha writes about Rudenko's no.10 (p.25): "... it is the only (one) of three examples with complete block in set position." This is wrong, as no.11 (p.25) is a complete block in set as well. Moreover, it shows the "right" order of phases where the primitive captures occur in set and the more sophisticated non-captures appear in solution. Of course Rudenko's problem should be appreciated for its amazing economy and the valuable threat in solution.

By the way, while composing no.11 I had no idea of no.10.

Here are the 2 problems:

No.10
Valentin Rudenko
1st Prize Suomen Shakki 1957
(= 7+5 )

#3*

1...Sc1/Sf4/Sd4/Sg1
2.Sf4/Sc1/Sg1/Sd4

1.Bf4! ~ 2.Bxg3
1...Sc1/Sxf4/Sd4/Sg1
2.Sxc1/Sxf4/Sxd4/Sxg1

No.11
Uri Avner
1st Place Match Israel-Switzerland 1959
(= 8+6 )

#3*

1...Sc1/Sf4/Sd4/Sg1
2.Sxc1/Sxf4/Sxd4/Sxg1
1...b3 2.bxc3 ~ 3.Sd2#

1.b3! waiting
1...Sc1/Sf4/Sd4/Sg1
2.Sf4/Sc1/Sg1/Sd4
 
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MatPlus.Net Magazine General 13 years ago... or: better late than never