MESON Chess Problem Database

Problem Display
PID: 160136 (1K1QB2r/n2P3p/2pk4/2p1pP2/4P2b/8/8/8 w - - 0 1)

Rice, John Michael

British Chess Magazine, 2003

1K1QB2r/n2P3p/2pk4/2p1pP2/4P2b/8/8/8

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe8
      • 2.dxe8S#
    • 1...Be1
      • 2.Qf6#
    • 1...Bf2
      • 2.Qf6#
    • 1...Bg3
      • 2.Qf6#
    • 1...Bf6
      • 2.Qxf6#
    • 1...Be7
      • 2.Qc7#
    • 1...Sc8
      • 2.dxc8S#
  • Keys
    • 1.f6!
      • threat
        • 2.Qe7#
      • 1...Ke6
        • 2.Qe7#
      • 1...Rxe8
        • 2.dxe8Q#
        • 2.dxe8R#
      • 1...Bxf6
        • 2.Qxf6#
      • 1...Sc8
        • 2.dxc8Q#
        • 2.dxc8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(h);OGATE,P_PINQ(E),XB(F)::PXR(h)=S
    • B(a);N_GUARD::QAR2(E)
    • B(a);N_GUARD::QAR2(E),XB(a)
    • B(a);SBLOCK::QAB1(E)
    • S(f);OGATE::PXS(f)=S
  • Actual
    • P(B);
    • Threat
      • QAB1(E)
    • Vars
      • K(e);P-FLIGHT::QAR1(E)
      • R(h);OGATE,P_PINQ(E),XB(F)::PXR(h)=Q
      • B(a);OGATE,XP(B)::QAR2(E),XB(a)
      • S(f);OGATE::PXS(f)=Q
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