MESON Chess Problem Database

Problem Display
PID: 98122 (B1r5/1R6/2r3p1/7N/4n3/4Bk1P/8/4R1K1 w - - 0 1)

Kipping, Cyril Stanley

BCPS, 1949

B1r5/1R6/2r3p1/7N/4n3/4Bk1P/8/4R1K1

#2

7 + 5

6490 yacpdb 2009
81 Chess 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rf7#
    • 1...Rc2
      • 2.Rf7#
    • 1...Rc3
      • 2.Rf7#
    • 1...Rc4
      • 2.Rf7#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Re3#
      • 1...Rxc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#
      • 1...Sd2
        • 2.Rf7#
      • 1...gxh5!
    • 1.Bd2?
      • threat
        • 2.Re3#
      • 1...Sxd2
        • 2.Rf7#
      • 1...Rc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#
      • 1...gxh5!
    • 1.Bf2?
      • threat
        • 2.Re3#
      • 1...Sxf2
        • 2.Rf7#
      • 1...Rc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#
      • 1...gxh5!
    • 1.Bd4?
      • threat
        • 2.Re3#
      • 1...Rc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#
      • 1...gxh5!
    • 1.Bh6?
      • threat
        • 2.Re3#
      • 1...Rc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#
      • 1...Sg5
        • 2.Rb3#
      • 1...g5!
    • 1.Rf7+?
      • 1...Rf6
        • 2.Rxf6#
      • 1...Sf6!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Re3#
      • 1...Sxg5
        • 2.Rb3#
      • 1...Rc1
        • 2.Rf7#
      • 1...Rc3
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
    • R(c);N_GUARD,S_CUTS(b)::R(F)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • R(c);N_GUARD,P_PINR(A),S_CUTS(b),XB(C)::R(F)
        • R(c);N_GUARD,S_CUTS(b)::R(F)
        • S(b);N_GUARD,S_CUTR(c)::R(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • S(b);N_GUARD,S_CUTR(c),XB(C)::R(F)
        • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
        • R(c);N_GUARD,S_CUTS(b)::R(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • S(b);N_GUARD,S_CUTR(c),XB(C)::R(F)
        • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
        • R(c);N_GUARD,S_CUTS(b)::R(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
        • R(c);N_GUARD,S_CUTS(b)::R(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
        • R(c);N_GUARD,S_CUTS(b)::R(F)
        • S(b);N_GUARD,S_CUTR(c)::R(F)
      • Refutation
        • P(d);
    • Try
      • R(F);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c),P_SPINS(b)::R(F),XR(c)
      • Refutation
        • S(b);P_SPINR(c),P_SPINS(b)
  • Actual
    • B(C);
    • Threat
      • R1(A)
    • Vars
      • S(b);N_GUARD,S_CUTR(c),XB(C)::R(F)
      • R(c);N_GUARD,P_PINR(A),S_CUTS(b)::R(F)
      • R(c);N_GUARD,S_CUTS(b)::R(F)
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