Chess problem details
 Chess problem diagram
Category: Fairy
Type: sh#n
Stipulation(s): SH#18
b)wPb3-->d4
Magazine: Best Problems 94, 2/2020-April, Pr.4358
Year of Publishing: 2020
Conditions:
AntiAndernach + Contra ParrainCirce
Solution:

a)diagram

1.Kb2*b3   2.Kb3-b4[+wPb2]   3.Kb4-b3  
4.Kb3*b2   5.Kb2-b3[+wPb1]   6.Kb3-b4  
7.a2*b1=B   8.Kb4-c3[+wPa2]   9.Bb1*a2 
10.Kc3-b2[+wPb3]  11.Ba2-b1=w  12.Kb2*b3 
13.Kb3-c4[+wPa2]  14.Kc4-c3  15.Kc3-b2 
16.Kb2*b1  17.d3-d2=w[+wBb2] 
18.Kb1*a2 Kd1-c2[+wPb1] #

b) wPb3-->d4 

1.Kb2-c3   2.Kc3*d4   3.Kd4-c3[+wPe5]  
4.Kc3-d4   5.Kd4*e5   6.Ke5-d4[+wPf6]  
7.Kd4-e5   8.Ke5*f6   9.Kf6-e5[+wPg7] 
10.Ke5-f6  11.Kf6*g7  12.a2-a1=R=w[+wPg8=B] 
13.Kg7-f6  14.Kf6-e5  15.Ke5-d4  16.Kd4-c3 
17.Kc3-b2  18.Kb2*a1 Kd1-c1[+wRb1] #

Comments:
Tags:
royal march, circuit, switchback, promotion, exchange of places
        

       

       

       
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