MESON Chess Problem Database

Problem Display
PID: 63502 (B7/7R/3n4/8/3Qb3/r4r2/4Np1p/1R3K1k w - - 0 1)

Kipping, Cyril Stanley

Chess, 1945

B7/7R/3n4/8/3Qb3/r4r2/4Np1p/1R3K1k

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Kxf2#
    • 1...Rh3
      • 2.Kxf2#
    • 1...Bxb1
      • 2.Sg3#
    • 1...Bc2
      • 2.Sg3#
    • 1...Bd3
      • 2.Bxf3#
    • 1...Bf5
      • 2.Sg3#
    • 1...Bg6
      • 2.Sg3#
    • 1...Bxh7
      • 2.Sg3#
  • Tries
    • 1.Qxf2?
      • threat
        • 2.Rxh2#
      • 1...Rxf2+
        • 2.Kxf2#
      • 1...Bxh7
        • 2.Sg3#
      • 1...Rh3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Rxh2#
      • 1...Bxh7
        • 2.Sg3#
      • 1...Rh3
        • 2.Kxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(e);P_SPINB(f)::R(A)+K(B),XP(b)
    • R(e);N_SPINP(c),P_SPINB(f)::R(A)+K(B),XP(b)
    • B(f);P_SPINR(e),XR(A)::S(C)
    • B(f);P_SPINR(e)::S(C)
    • B(f);OGATE,P_PINS(C),P_SPINR(e)::B(F),XR(e)
    • B(f);N_SPINP(c),P_SPINR(e),XR(E)::S(C)
  • Tries
    • Try
      • Q(D);P_SPINQ(D),XP(b)
      • Threat
        • R1(E),XP(c)
      • Vars
        • R(e);CHECK,P_SPINB(f),XQ(D)::R(A)+K(B),XR(e)
        • B(f);N_SPINP(c),P_SPINR(e),XR(E)::S(C)
      • Refutation
        • R(e);N_PINQ(D),N_SPINP(c),P_SPINB(f)
  • Actual
    • Q(D);
    • Threat
      • R1(E),XP(c)
    • Vars
      • B(f);N_SPINP(c),P_SPINR(e),XR(E)::S(C)
      • R(e);N_SPINP(c),P_SPINB(f)::R(A)+K(B),XP(b)
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