MESON Chess Problem Database

Problem Display
PID: 106724 (6Nb/5p1r/4Bpk1/2Q2RNp/7p/7K/8/8 w - - 0 1)

Rice, John Michael

The Field, 1954

(First published on Thu Sep 23 1954)

6Nb/5p1r/4Bpk1/2Q2RNp/7p/7K/8/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Rxf6#
    • 1...Bg7
      • 2.Bxf7#
    • 1...fxg5
      • 2.Rxg5#
  • Keys
    • 1.Qe7!
      • 1...Kg7
        • 2.Qxf7#
      • 1...fxg5
        • 2.Rxg5#
        • 2.Qxg5#
      • 1...fxe6
        • 2.Qxh7#
      • 1...Rh6
        • 2.Qxf7#
      • 1...Rg7
        • 2.Qxf6#
      • 1...Bg7
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK,S_CUTB(g)::R1(C),XP(c)
    • B(g);SBLOCK,S_CUTR(f)::B(E),XP(e)
    • P(c);OGATE,XS(D)::R1(C),XP(c)
  • Actual
    • Q(B);
    • Vars
      • K(d);P-FLIGHT,P_SPINP(e)::QAR1(B),XP(e)
      • P(e);OGATE,XB(E)::QAB1(B),XR(f)
      • R(f);N_GUARD::QAB1(B),XP(e)
      • R(f);S_CUTB(g)::QAR1(B),XP(c)
      • B(g);S_CUTR(f)::QAB1(B),XP(e)
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