MESON Chess Problem Database

Problem Display
PID: 144916 (6R1/4p1Bk/1p1PBR2/1PPpK1Pr/3pN3/2P3P1/3N1P2/4bQ1n w - - 0 1)

Fegan, Bertram George

Brisbane Courier, 1918

(First published on Sat Aug 17 1918)

6R1/4p1Bk/1p1PBR2/1PPpK1Pr/3pN3/2P3P1/3N1P2/4bQ1n

#2

15 + 8

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.g6#
    • 1...Rh3
      • 2.Qxh3#
      • 2.g6#
    • 1...Rh4
      • 2.g6#
    • 1...Rxg5+
      • 2.Sxg5#
    • 1...Rh6
      • 2.Rxh6#
  • Keys
    • 1.Qd3!
      • 1...Rxg5+
        • 2.Sxg5#
      • 1...exd6+
        • 2.Sxd6#
      • 1...exf6+
        • 2.Sxf6#
      • 1...Bxd2
        • 2.Sxd2#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Sxf2
        • 2.Sxf2#
      • 1...Sxg3
        • 2.Sxg3#
      • 1...dxc3
        • 2.Sxc3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...bxc5
        • 2.Sxc5#
      • 1...Rh2
        • 2.g6#
      • 1...Rh3
        • 2.g6#
      • 1...Rh4
        • 2.g6#
      • 1...Rh6
        • 2.Rxh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(e);N_PINP(J)::P(J)
    • R(e);CHECK,XP(J)::S(F),XR(e)
    • R(e);N_GUARD,N_PINP(J)::R1(M),XR(e)
  • Actual
    • Q(A);
    • Vars
      • R(e);CHECK,XP(J)::QAB(A)+S(F),DCHECK,XR(e)
      • P(g);CHECK,XP(K)::QAB(A)+S(F),XP(g)
      • P(g);CHECK,XR(M)::QAB(A)+S(F),DCHECK,XP(g)
      • B(a);XS(B)::QAB(A)+S(F),XB(a)
      • B(a);XP(C)::QAB(A)+S(F),XB(a)
      • S(b);XP(C)::QAB(A)+S(F),XS(b)
      • S(b);XP(E)::QAB(A)+S(F),XS(b)
      • P(c);XP(D)::QAB(A)+S(F),XP(c)
      • P(d);OGATE,P_SPINP(d),XS(F)::QAB(A),XP(d)
      • P(f);XP(H)::QAB(A)+S(F),XP(f)
      • R(e);N_PINP(J)::P(J)
      • R(e);N_GUARD,N_PINP(J)::R1(M),XR(e)
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