MESON Chess Problem Database

Problem Display
PID: 146685 (8/4BpN1/1N5n/QppR1r1P/5kpp/8/1p2PP2/1Bb3K1 w - - 0 1)

Bicknell, Stephen

Australian Chess Problem Magazine, 1993

8/4BpN1/1N5n/QppR1r1P/5kpp/8/1p2PP2/1Bb3K1

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Bxg5#
    • 1...Rxh5
      • 2.Sxh5#
    • 1...Bd2
      • 2.Qxd2#
    • 1...Sg8
      • 2.Rxf5#
    • 1...f6
      • 2.Se6#
  • Tries
    • 1.Rd4+?
      • 1...Ke5
        • 2.Re4#
      • 1...cxd4!
  • Keys
    • 1.Qc3!
      • 1...Rxd5
        • 2.Sxd5#
      • 1...Rxh5
        • 2.Sxh5#
      • 1...g3
        • 2.Qf3#
      • 1...f6
        • 2.Se6#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rg5
        • 2.Bxg5#
      • 1...Rf6
        • 2.Qe5#
      • 1...Bd2
        • 2.Qxd2#
      • 1...Be3
        • 2.Qxe3#
      • 1...Sg8
        • 2.Rxf5#
      • 1...h3
        • 2.Qg3#
      • 1...b4
        • 2.Qc4#
      • 1...c4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(h);N_GUARD::B(I),XR(h)
    • R(h);XP(G)::S(J),XR(h)
    • B(a);N_GUARD::QAB(E),XB(a)
    • S(i);N_GUARD::R1(F),XR(h)
    • P(j);N_GUARD::S(J)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(F)
      • Refutation
        • P(g);XR(F)
  • Actual
    • Q(E);
    • Vars
      • R(h);XR(F)::S(H),XR(h)
      • R(h);XP(G)::S(J),XR(h)
      • P(d);N_GUARD::QAR1(E)
      • P(j);N_GUARD::S(J)
      • R(h);N_GUARD::QAB1(E),XR(h)
      • R(h);N_GUARD::B(I),XR(h)
      • R(h);N_GUARD::QAB1(E)
      • B(a);N_GUARD::QAB(E),XB(a)
      • B(a);N_GUARD,P_PINP(D)::QAB1(E),XB(a)
      • S(i);N_GUARD::R1(F),XR(h)
      • P(e);N_GUARD::QAB1(E)
      • P(f);N_GUARD::QAR(E)
      • P(g);N_GUARD::QAR2(E)
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