Chess problem details
 Chess problem diagram
Category: Helpmates
Type: h#n
Stipulation(s): h#4
b) bPf6-->f7 
c) wKh7-->d6 
d)=c) -bSg7  bPf6-->g7 
Magazine: Shachmatija No.2, 7/2019, Pr.4066
Year of Publishing: 2019
Conditions:
Solution:

a) diagram

  1.Sg7-h5 Bd8-e7
  2.Qe4-h4 Be7-f8
  3.Ra4-g4 e3-e4 +
  4.Kf5-g5 Bf8-h6 #

b) bPf6-->f7 

  1.Qe4-e6 Bd8-g5
  2.Ra4-f4 Bg5-h6
  3.Kf5-f6 e3*f4
  4.Sg7-f5 Bh6-g5 #

c) wKh7-->d6 

  1.Sg7-e6 Kd6-d7
  2.Kf5-e5 Bd8-e7
  3.Qe4-f5 Kd7-c6 
  4.Ra4-e4 Be7-d6 #

d)=c) -bSg7  bPf6-->g7 

  1.Qe4-f3 Kd6-c5
  2.Ra4-g4 e3-e4 +
  3.Kf5-f4 Kc5-d4
  4.g7-g5 Bd8-c7 #

Comments:
Tags:
Ideal mates, exchange of pieces' sqaures, royal cross
        

       

       

       
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