MESON Chess Problem Database

Problem Display
PID: 161593 (1Nnbb3/Pp1P1pK1/Rp1k1p1R/2rnN2Q/5p1B/q1p1p3/B7/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1956

1Nnbb3/Pp1P1pK1/Rp1k1p1R/2rnN2Q/5p1B/q1p1p3/B7/8

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.dxe8S#
    • 1...Sc7
      • 2.dxc8S#
    • 1...Sde7
      • 2.dxe8S#
  • Tries
    • 1.Sc4+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kc7
        • 2.dxe8S#
      • 1...Ke7
        • 2.Qe5#
      • 1...Rxc4!
    • 1.Sxf7+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kc7
        • 2.dxe8S#
      • 1...Ke7
        • 2.Qe5#
      • 1...Bxf7!
    • 1.dxe8S+?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Ke6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qe5#
      • 1...Kc7
        • 2.dxe8S#
      • 1...Ke7
        • 2.Qe5#
      • 1...Sb4
        • 2.Qxc5#
      • 1...Sc7
        • 2.dxc8S#
      • 1...Sde7
        • 2.dxe8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(h);N_SPINP(g),S_FLIGHT::PXB(n)=S
    • S(f);SBLOCK,S_CUTR(e)::PXS(l)=S
    • S(f);SBLOCK::PXB(n)=S
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(h);P-FLIGHT::QAR1(D)
        • K(h);N_SPINP(g),S_FLIGHT::PXB(n)=S
        • K(h);N_SPINP(g),P_SPINP(i),S_FLIGHT::QAR2(D)
      • Refutation
        • R(e);XS(C)
    • Try
      • S(C);CHECK,XP(k)
      • Vars
        • K(h);P-FLIGHT,P_SPINS(f)::QAR1(D)
        • K(h);N_SPINP(g),S_FLIGHT::PXB(n)=S
        • K(h);N_SPINP(g),P_SPINP(i),S_FLIGHT::QAR2(D)
      • Refutation
        • B(n);XS(C)
    • Try
      • P(H);CHECK,XB(n)
      • Vars
        • K(h);N_SPINP(g),P_SPINP(i),S_FLIGHT::QAR1(D),XP(k)
      • Refutation
        • K(h);P-FLIGHT,P_SPINS(f)
  • Actual
    • S(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(h);P-FLIGHT,P_SPINS(f)::QAR1(D)
      • K(h);N_SPINP(g),S_FLIGHT::PXB(n)=S
      • K(h);N_SPINP(g),P_SPINP(i),S_FLIGHT::QAR2(D)
      • S(f);OGATE::QAB1(D),XR(e)
      • S(f);SBLOCK,S_CUTR(e)::PXS(l)=S
      • S(f);SBLOCK::PXB(n)=S
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