# No.1186 (BK)

 No.1186 Bruno Kampmann (France) Warm welcome to Bruno in Original problems section of JF! Original Fairy problems JF – 2017(I): January – June

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 No.1186 Bruno Kampmann France original – 07.02.2017 Solutions: (click to show/hide) white Kc6 black Ka1 Ba2 Pb4 Pb3 Ga8 Gb2 Gb1 #9*                                              (1+7) Lortap Grasshopper a8, b2, b1 b) Kc6→d8;  #9 c) Ga8→e8;  #8* 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)} true Minimal (white king alone), Durbar, three different solutions, two with apparent play, blocus at the end of the three solutions to oblige blacks to retablish king’s guard. Dual in last move in a) and in c) apparent play. (Author)