|
 No.1229
Vladimir Kozhakin
(Russia)
|
Original Fairy problems
JF – 2017(I): January – June
|
Definition: (click to show/hide)
KoeKo: A move is possible only if the piece moved arrives on a square next to another unit.
|
No.1229 Vladimir Kozhakin
Russia
original – 23.06.2017
|
Solutions: (click to show/hide)
|
|
white Qa3 Kc2 Sd3
black Ke2 Pc3e3h5
#3 b) Ph5→f3 (3+4)
KoeKo
|
a)
1.Qa3*c3 ? zugzwang.
1...Ke2-f3
2.Qc3-d4 zugzwang.
2...e3-e2
3.Sd3-e5 #
2...Kf3-e2
3.Qd4-g4 #
but
1...Ke2-d1 + !
1.Qa3-b3 ? zugzwang.
1...Ke2-d1 +
2.Kc2*c3 threat:
3.Sd3-c1 #
2...Kd1-e2
3.Qb3-d1 #
but
1...Ke2-f3 !
1.Kc2-d1 + ?
1...Ke2*d3
2.Qa3-b4 zugzwang.
2...c3-c2
3.Qb4-c4 #
2...e3-e2
3.Qb4-e4 #
but
1...Ke2-f3 !
1.Qa3-b4 ! threat:
2.Qb4-g4 #
1...Ke2-d1 +
2.Kc2*c3 zugzwang.
2...Kd1-e2
3.Qb4-g4 #
2...e3-e2
3.Qb4-b3 #
1...Ke2-f3
2.Qb4-d4 zugzwang.
2...e3-e2
3.Sd3-e5 #
2...Kf3-e2
3.Qd4-g4 #
b) bPh5-->f3
1.Qa3-b3 ? threat:
2.Kc2*c3 threat:
3.Qb3-d1 #
3.Qb3-b2 #
2...f3-f2
3.Qb3-d1 #
1...Ke2-d1 +
2.Kc2-c1 +
2...Kd1-e2
3.Qb3-c2 #
but
1...f3-f2 !
1.Qa3-c1 ! threat:
2.Qc1-f1 #
1...f3-f2
2.Qc1-g1 zugzwang.
2...Ke2-f3
3.Qg1-g4 #
2...f2-f1=Q{(S/R/B)}
3.Qg1*f1 # {
(C+ by Popeye 4.77)}
|
