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Problem 887. Petko Petkov - Fairy (Disparate, Kangaroo-Lion, Nightrider, Zebra, neutral pieces)
petko.petkov(25.02.2018) The first fairy original for 2018 is here. New problem with rich thematic content and detail explanations by the top bulgarian composer Petko Petkov.
 
 
 
 
 
 
 
 
 
 
887
 C+ Py 4.79
 
a) 1.Nf6! nZa8! 2.nPb8=nN! nNxc6 3.nZc5+ nNxc5#!
Thematic tries: 1.nPb8=nN? nNxc6? and 2.Nf6 is impossible because Ne8 is paralyzed! Here is not good also 1...nZa8+? 2.Nf6? and 2...nNxc6 is impossible because nNb8 is paralyzed!
 
b) 1.Zb6! nBa4! 2.nPb8=nZ! nZxe6 3.nBb3+ nZxb3#!
Thematic tries: 1.nPb8=nZ? nZxe6? and 2.Zb6 is impossible because Ze8 is paralyzed! Here is not good also 1...nBa4+? 2.Zf6? and 2...nZxe6 is impossible because nZb8 is paralyzed!
 
c) 1.Bg6! nNc5! 2.nPb8=nB! nBxd6 3.nNe4+ nBxe4#!
Thematic tries: 1.nPb8=nB? nBxe6? and 2.Bg6 is impossible because Be8 is paralyzed! Here is not good also 1...nNc5+? 2.Bg6? and 2...nBxd6 is impossible because nBb8 is paralyzed!
                        
       Thematic complex:
 
     1.The initial special half-battery (created with three forward neutral pieces: nB, nZ, nN and one rear-piece - Kangaroo-Lion a6)  must be transformed by two non-standard methods:
     a)  Annihilation - captures of each of these three neutral figures with idea "to improve the structure" of half-battery.
     b) Move on the thematic line of a new - fourth white figure (N, Z and B), which temporarily masks the initial half-battery.
 
     2. Cyclic Neutral "Zilahi", combined with a three-time promotion of nPb7.
 
     3. Thematic tries that do not lead to the goal due to the specific paralysis of the fairy condition "Disparate". In this aspect, a very interesting effect is the fact that in the starting position all three neutral figures: nB, nZ, nN are pinned for the white!
 
     4. Super-unusual matte - finals in which three (!) pieces: one white and two neutral, are found under "Disparate - paralysis": wNf6, nNc6, nNc5 in position a), wZb6, nZe6, nZb3 in position b) and wBg6, nBd6, nBe4 in position c). Forsberg twins.
 
     5. The complex is presented here for the first time.
     (Author)
 

Comments  

 
0 #1 Diyan Kostadinov 2018-02-28 03:10
From this year the fairy originals will be published without the definitions on each publication. If you want to see some of the definitions of the used fairy pieces and/or conditions (or theme) you can find it on the website “Definitions” button upside of the screen.
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