Fairy chess composition

# No.815,816 (AA)

 No.815, 816Alberto Armeni (Italy) Original Problems, Julia’s Fairies – 2015 (I): January – June    →Previous ; →Next ; →List 2015(I) Please send your original fairy problems to: julia@juliasfairies.com

No.815, 816 by Alberto Armeni – Two twomovers where the main role play white fairy promotions. (JV)

Definitions:

Lion(LI): Moves along Queen lines over another unit of either color to any square beyond that unit. A capture may be made on arrival, but the hurdle is not affected.

Nightrider(N): Operates along straight lines with squares lying a Knight`s move away from each other.

Zebra(ZE): (2,3) Leaper.

Giraffe(GI): (1,4) Leaper.

Gnu(GN): Knight+Camel. Can move like a (1,2) Leaper and like (1,3) Leaper.

Grasshopper(G): Moves along Q-lines over another unit of either color to the square immediately beyond that unit. A capture may be made on arrival, but the hurdle is not affected.

Camel(CA): (1,3) Leaper.

Berolina-Pawn(BP): Walk and capture are swapped relative to the orthodox Pawn. The Berolina-Pawn moves without capturing diagonally (possibly two squares if it is on the second row of its side) and captures vertically.

 No.815 Alberto ArmeniItalyoriginal – 30.05.2015 Solution: (click to show/hide) White GIH1 Ka6 Ba3 LIH3 Sd2 Pf7 Pe5 Pe4 Pe3 Black NH6 GNF3 Zd5 Kc6 LIG4 LIH5 Se8 Sg8 Pg6 Pg5 Pd6 Pd7 Pc7 Pg3 #2                                      (9+14)Giraffe h1Lion h3, g4, h5Nightrider h6Zebra d5Gnu f3 1.Sd2-c4 ? threat: 2.Sc4-a5 # 1...GNf3-d4 2.GIh1-d2 # 1...GNf3*c4 2.GIh1*g5 # 1...LIg4*c4 2.LIh3-c8 # 1...LIh5*e5 2.f7*e8=LI # 1...Nh6-b3 2.f7*g8=N # but 1...Zd5*a3 ! 1.Sd2-b3 ! threat: 2.Sb3-a5 # 1...GNf3-d4 2.GIh1-d2 # 1...GNf3-c4 2.GIh1*g5 # 1...LIg4-a4 2.LIh3-c8 # 1...LIg4-b4 2.LIh3-c8 # 1...Zd5*a3 2.f7-f8=Z # 1...LIh5*e5 2.f7*e8=LI # 1...Nh6*b3 2.f7*g8=N # { (C+ by Popeye 4.69)} Three under-promotions of the same wP to different fairy pieces, on different squares. NB: wP e3 necessary to avoid dual in the try 1) S c4?, GN d4. (Author) No.816 Alberto ArmeniItalyoriginal – 30.05.2015 Solution: (click to show/hide) White BPd7 Kb5 Sd2 Se2 Pb6 Pe3 Pa2 Pc2 Black GE1 CAG7 GA1 GC3 BPc7 CAF5 GH5 Kd5 Sd8 Pe4 Pe6 Pd6 Pe5 #2                                      (8+13)Berolina pawn d7, c7Grasshopper e1, a1, c3, h5Camel g7, f5 1.b6*c7 ? threat: 2.c7-c8=CA # but 1...Gc3-c8 ! 1.Sd2-b1 ? threat: 2.Sb1*c3 # 2.Se2*c3 # but 1...Ga1-c1 ! 1.Sd2-f3 ? threat: 2.Se2*c3 # but 1...Gh5*e2 ! 1.Sd2-c4 ? threat: 2.Se2*c3 # 2.BPd7-c8=CA # but 1...Gc3-c5 ! 1.Sd2-b3 ? threat: 2.Se2*c3 # but 1...Ga1-a3 ! 1.Sd2-f1 ! threat: 2.Se2*c3 # 1...Ge1*e3 2.Sf1*e3 # 1...Gc3-c1 2.BPd7-c8=CA # 1...CAf5*e2 2.BPd7-e8=CA # 1...CAg7-f4 2.BPd7*d8=G # { (C+ by Popeye 4.69)}

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