Chess problem details
 Chess problem diagram
Category: Fairy
Type: hs#n
Stipulation(s): HS#5
b)nKAg5-->h1
c)wDOd1-->h6
d)=c)wDOd2-->f4
royal pieces b8,g5
KA=Kangaroo,GN=Gnu,DO=Dolphin
Magazine: Shakhmatnaya kompozitsiya No.153, 9/2020, Pr.G28
Year of Publishing: 2020
Conditions:
Sentinelles
Solution:

a) diagram

1.GNd2-c5[+wPd2] rKAg5-b5[+bPg5]  
2.GNc5-b3[+wPc5] g5-g4  
3.rDOb8-b2 rKAb5-b1[+bPb5]  
4.d2-d4 b5-b4  
5.GNd1-c3 + b4*c3 #

b) brKAg5-->h1 

1.GNd2-f1[+wPd2] rKAh1-c1  
2.rDOb8-f4 + rKAc1-g5  
3.rDOf4-d6[+wPf4] + rKAg5-c1[+bPg5]  
4.rDOd6-g3[+wPd6] rKAc1-g1  
5.GNf1-g4 g5*f4 #

c) wGNd1-->h6 

1.GNh6-f5[+wPh6] rKAg5-d5[+bPg5]  
2.GNd2-e4[+wPd2] g5-g4 
3.GNe4-g3[+wPe4] + rKAd5-g5[+bPd5]  
4.rDOb8-h2 d5-d4  
5.rDOh2-c2[+wPh2] d4-d3 #

d)=c) wGNd2-->f4 

1.GNf4-d5[+wPf4] + rKAg5-c5[+bPg5]  
2.e5-e6 rKAc5-h5[+bPc5]  
3.rDOb8-g3 g5*f4 +  
4.GNd5*f4[+wPd5] + rKAh5-b5[+bPh5]  
5.GNf4*c5[+wPf4] h5-h4 #

Comments:
Tags:
Model mates, echo, switchback, selfblock, battery
        

       

       

       
© Jaroslav Stun, 2007, Voniak Chess dBase