No.386 (DN)

a)

I. 1.Kg4-h4 Kd3-c2 2.RKd7-h3 (Jump over wKc2) 2…RKf2-h6 (Jump over bRKc6; root 9 + root 16 = root 25) 3.RKc6-d3 (Jump over wRKh6; root 25 = root 9 + root 16) 3…RKh6-h2# (Jump over bKh4)

In this mate position a1) wRKh2 double mates over bRKh3 and bRKd3; bKh4-h5? – wRKf3+! over bRKh3; bKh4-g5,g4,g3? – Isardam illegal – Madrasi-type paralyzed wRKf3 and bRKh3

II. 1.RKd7-b5 (Jump over wRKf3) 1…RKf3-h5 (Jump over bKg4) 2.Kg4-f4 RKf2-d4 (Jump over bKf4) 3.RKc6-f5 (Jump over wRKd4) 3…RKd4-f6# (Jump over bKf4)

In this mate position a2) wRKf6 double mates over bRKf5 and bRKb5; kKf4-e5? – wRKf6+! over bRKf5; bKf4-f3? – wRKh5+! over bRKf5; bKf4-g5,g4,g3?? – Isardam illegal – Madrasi-type paralyzed wRKh5 and bRKf5

b) 

I. 1.Kg4-f4 RKf2-f6 (Jump over bKf4) 2.RKd6-g3 (Jump over wKd3) 2…RKf3-g2 (Jump over bRKg3) 3.RKd7-g8 (Jump over wRKf6) 3…RKf6-h4# (Jump over bKf4)

In this mate position b1) wRKh4 double mates over bRKg3 and bRKg8; bKf4-f3? – wRKg2+! over bRKg3; bKf4-e5,f5,g5?? – Isardam illegal – Madrasi-type paralyzed wRKg2 and bRKg8; bKf4-g4?? – Isardam illegal – Madrasi-type paralyzed wRKh4 and bRKg3

II. 1.Kg4-h3 Kd3-d2 2.RKd6-h2+ (Jump over wKd2) 2…Kd2-d1 3.RKd7-b1! (Jump over wRKf3) 3…RKf3-h1# (Jump over bKh3)

In this mate position b2) wRKh1 mates over bRKh2; bRKh2-d2? – wRKh1+!; kRKh2-g1?? – Isardam illegal – Madrasi-type paralyzed wRKf2 and bRKg1 over bKh3; bKh3-h4? wRKf2+! over bRKh2; bKh3-g4,g3,g2?? – Isardam illegal – Madrasi-type paralyzed wRKf2 and bRKh2; bRKh2-f4?? – Isardam illegal – Madrasi-type paralyzed wRKf2 and bRKf4 over bKh3; bRKh2-e5?? – Isardam illegal – Madrasi-type paralyzed wRKh1 and bRKg1 over bRKe5; bRKk2-c5?? – Isardam illegal – Madrasi-type paralyzed wRKf2 and bRKc5 over bRKb1

c) 

I. 1.Kd1-e1 Kd3-e4 2.RKd7-d1+ (Jump over wKe4) 2…Ke4-e3 3.RKc6-h5 (Jump over wKe3) 3…RKf2-d2# (Jump over bKe1)

In this mate position c1) wRKd2 mates over bRKd1 and bRKh5; bKe1-f1?? – Isardam illegal – Madrasi-type paralyzed wRKd1 and bRKf3

II. 1.RKc6-e6 (Jump over wKd3) 1…Kd3-c3 2.RKd7-a4 (Jump over wRKf2) 2…RKf3-d3 (Jump over bRKe6) 3.RKa4-e2 (Jump over wKc3; capture wRKd3xbKd1?? over bRKe2 is Isardam illegal – Madrasi-type paralyzed wRKd1 and bRKe2 over hurdle wKc3) 3…Kc3-b2#

In this mate position c2) wRKd3 mates over bRKe2 (Isardam O.K.); bKd1-d2,e1? – wRKf2+!; bRKe2-c4?? – Isardam illegal – Madrasi-type paralyzed wRKd3 and bRKc4 over wKb2; bRKe2-e4?? – Isardam illegal – Madrasi-type paralyzed wRKd3 and bRKe4 over wRKf2

(Computer tested C+ Popeye v.4.63)

(Author)