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MatPlus.Net  Forum Threemovers symmetrical can be excellent |
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| | | (1) Posted by Marek Kwiatkowski [Tuesday, Feb 27, 2007 21:56] | symmetrical can be excellent
I would like to show a wonderful symmetrical problem.
Two systems of black correction launch a double masked black half-pin.
I very like it.
I. I. Antipin
4th C Olympic Tournament 1990
 (= 9+9 )
#3
Solution:
1.Qe8! ~ 2.Re1+ Kf3 3.Qh5#
1...Sh~ 2.Bf4+ Rf4 3.Sd5#
1...Sf6 2.Sf5+ ef5 3.Bf4#
1...Sb~ 2.Bd4+ Rd4 3.Sf5#
1...Sd6 2.Sd5+ ed5 3.Bd4#
cycle AB-BC-CD-DA
| | | (2) Posted by Darko Šaljić [Wednesday, Feb 28, 2007 09:31] |
Yes, I agre with You and this is wonderful problem.
In chess problems, harmony is all about analogy. I dont know why is symmetry, as "geometrical analogy" considered as a flaw, only becouse of hers visual character.
| | | (3) Posted by Hauke Reddmann [Wednesday, Feb 28, 2007 17:48] |
Because symmetry may be boring: almost by definition,
symmetry doesn't show anything new. In this case, of course,
*the complete* variants show a cycle and thus, something
additional is generated.
Hauke
| | | (4) Posted by Uri Avner [Wednesday, Feb 28, 2007 22:00] |
Symmetry by itself is boring and uninteresting. Why then do we feel something totally different here?
My explanation goes like this:
The two symmetrical parts actually complement each other to create a far from trivial 4-fold cycle. Consequently, what might have remained two disconnected, tedious parts is actually converted into a wonderful whole. The surprise created by the gap between expectation and actuality has its own special value as a paradox.
Vive la petite différence!
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