MESON Chess Problem Database

Problem Display
PID: 146492 (1Rb2kN1/3p2pP/2r5/2n1N2R/1B1rp1Q1/4p2K/8/8 w - - 0 1)

Kemp, Charles Edward

British Chess Magazine, 1933

1Rb2kN1/3p2pP/2r5/2n1N2R/1B1rp1Q1/4p2K/8/8

#2

8 + 9

15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Rxc8#
    • 1...Rb6
      • 2.Rxc8#
    • 1...Rd6
      • 2.Rxc8#
    • 1...Rf6
      • 2.Rxc8#
    • 1...Rg6
      • 2.Rxc8#
    • 1...Rh6
      • 2.Rxc8#
  • Tries
    • 1.Rf5+?
      • 1...Rf6
        • 2.Rxc8#
      • 1...Ke8!
    • 1.Qf5+?
      • 1...Rf6
        • 2.Rxc8#
      • 1...Ke8!
    • 1.Qf4+?
      • 1...Rf6
        • 2.Rxc8#
      • 1...Ke8!
    • 1.Qxg7+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Kxg7!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qf7#
      • 1...d5+
        • 2.Sd7#
      • 1...d6+
        • 2.Rf5#
      • 1...Rxg6
        • 2.Rxc8#
      • 1...Rf6
        • 2.Rxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD::R(G),XB(h)
    • R(e);N_GUARD,N_SPINS(d)::R(G),XB(h)
    • R(e);N_GUARD,P_PINR(E)::R(G),XB(h)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • R(e);P_SPINR(e)::R(G),XB(h)
      • Refutation
        • K(i);N_SPINS(d),P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • R(e);P_SPINR(e)::R(G),XB(h)
      • Refutation
        • K(i);N_SPINS(d),P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • R(e);P_SPINR(e)::R(G),XB(h)
      • Refutation
        • K(i);N_SPINS(d),P-FLIGHT
    • Try
      • Q(C);CHECK,XP(g)
      • Vars
        • K(i);N_SPINS(d),P-FLIGHT::QAR1(C)
      • Refutation
        • K(i);N_SPINB(h),N_SPINS(d),S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • P(f);CHECK,S_CUTR(b)::S(D)
      • P(f);CHECK,N_SPINS(d),S_CUTR(e)::R(E)
      • R(e);N_GUARD,XQ(C)::R(G),XB(h)
      • R(e);N_GUARD::R(G),XB(h)
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