Chess problem details
 Chess problem diagram
Category: Fairy
Type: Combined
Stipulation(s): a)diagram: R#10*
b)wQd5&wPf2: S#15
Magazine: Best Problems 92, 10/2019, Pr.4269
Year of Publishing: 2019
Conditions:
Alphabetic + Haan
Solution:
a)diagram:   R#10*

Set play:
1…Gc4 2.G×d3  Sb5 3.G×d2  G×c7+ 4.Gf8  G×b6
5.G×b5  G×b4 6.G×d7  G×d2 7.Gf5 S×e2 8.G×f7  G×e6
9.Gf3  G×f3 10.G×d4 B×d4#

Try:
1.G×d3?
    But:     1…Gc4!

Solution:
1.G×d1!
1….Gc4 2.G×d4  Sb5 3.G×b5  G×c7+ 4.Gf8  G×b6
5.G×b6  S×e2 6.G×d3  G×e6 7.G×d8 B×d4+ 8.G×d4  G×d4
9.G×d7  Gg1 10.Gf3 Sg4#

b)+wQd5, +wPf2     S#15

1.G×d1! 
1....Gc4 2.G×d2  Sb5 3.G×b5  G×c7+ 4.Gf8  G×b6
5.G×b6  S×e2 6.G×d3  K×b7 7.G×d4  c×d2 8.Gf3  G×e6
9.Gf5  B×d4+ 10.Q×d4  G×f5 11.Q×e3  G×f8 12.Q×d2  Gg1
13.Q×c2  S×f4 14.K×e4  Gg8 15.Gh1 Gg6#

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