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Warm welcome to Bruno in |
Original Fairy problems |
Definitions: (click to show/hide)
Lortap: A piece can’t capture if it is controlled.
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.
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No.1186 Bruno Kampmann |
Solutions: (click to show/hide) |
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white Kc6
black Ka1 Ba2 Pb4 Pb3 Ga8 Gb2 Gb1
#9* (1+7) |
a)
1...Ga8-d5
2.Kc6-b5 zugzwang.
2...Gd5-a5
3.Kb5-c4 threat:
3...Ga5-c3
4.Kc4*c3 zugzwang.
4...Gb2-d4
5.Kc3-b2 # {
but it is not possible to come back to it.}
1.Kc6-b7 ! threat:
1...Ga8-c6
2.Kb7-b6 threat:
2...Gc6-a6
3.Kb6-a7! zugzwang.
3...Ga6-a8
4.Ka7-a6 zugzwang.
4...Ga8-a5
5.Ka6-b5 threat:
5...Ga5-c3! {
(if 5...Gc5 6.K×b4! Ga3 7.K×b3 ~ 8.K×a2# or Kb2#)}
6.Kb5-c4! threat:
6...Gc3-a3! {
(if 6...Ga5 or Gc5 7.K×b3! ~ 8.K×a2# or K×b2#)}
7.Kc4-c3! threat:
7...Ga3-c5! {
(scancel king's guard, if 7... Gc1 or Gd4 8.Kb2#)}
8.Kc3*b3 {blocus,
blacks must retablish king's guard,} zugzwang.
8...Gc5-a3
9.Kb3*a2 # {(or 9.Kb3*b2 #)}
b) wKc6-->d8
1.Kd8-c8 ! threat:
1...Ga8-d8
2.Kc8-c7 threat:
2...Gd8-b6
3.Kc7-b7! zugzwang.
3...Gb6-b8
4.Kb7-b6 zugzwang.
4...Gb8-b5
5.Kb6-c5 threat:
5...Gb5-d5 {
}
6.Kc5-b5 zugzwang.
6...Gd5-a5
7.Kb5-c4! 7...Ga5-c3 {blocus, blacks must retablish king's guard,
} 8.Kc4*c3! zugzwang.
8...Gb2-d4
9.Kc3-b2 #
c) bGa8-->e8
1...Ge8-b5
2.Kc6-d5 zugzwang.
2...Gb5-e5
3.Kd5-c4 {or Kd4 give a 5# mate,
but it is not possible to come back to it.}
1.Kc6-d7 ! threat:
1...Ge8-c6
2.Kd7-e6! threat:
2...Gc6-f6
3.Ke6-e5 threat:
3...Gf6-d4
4.Ke5*d4 threat:
4...Gb2-e5
5.Kd4-c3 threat:
5...Ge5-b2! {
(if 5...b2+ 6.K×b2#) }
6.Kc3-d2! threat:
6...Gb2-e2
7.Kd2-c1! {blocus, blacks must
retablish king's guard, } zugzwang.
7...Gb1-d1 {(or 7...b2)}
8.Kc1-b1 # {(8.K*b1 #)
(C+ by Popeye 4.75)}
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