MESON Chess Problem Database

Problem Display
PID: 175031 (3R4/nR1K1k2/3P4/1pb2PP1/1pr5/8/B7/8 w - - 0 1)

Campling, ES

Philadelphia Times, 1901

3R4/nR1K1k2/3P4/1pb2PP1/1pr5/8/B7/8

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kg7
      • 2.Ke6#
    • 1...Bxd6
      • 2.Kxd6#
    • 1...Sc6
      • 2.Kxc6#
    • 1...Sc8
      • 2.Kxc8#
  • Tries
    • 1.Bxc4+?
      • 1...Kg7
        • 2.Ke6#
      • 1...bxc4!
    • 1.Rf8+?
      • 1...Kg7
        • 2.Ke8#
      • 1...Kxf8!
  • Keys
    • 1.Kc7!
      • threat
        • 2.Kb8#
      • 1...Bb6+
        • 2.Kxb6#
      • 1...Bxd6+
        • 2.Kxd6#
      • 1...Kg7
        • 2.Kb8#
      • 1...Sc6
        • 2.Kxc6#
      • 1...Sc8
        • 2.Kxc8#

This is a version of 629

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(f);N_SPINR(b),P-FLIGHT::R(E)+K(F)
    • B(d);XP(D)::R(E)+K(F),XB(d)
    • S(e);::R(E)+K(F),XS(e)
  • Tries
    • Try
      • B(A);CHECK,XR(b)
      • Vars
        • K(f);P-FLIGHT::R(E)+K(F)
      • Refutation
        • P(c);XB(A)
    • Try
      • R(G);CHECK
      • Vars
        • K(f);N_SPINR(b),P-FLIGHT::R(E)+K(F)
      • Refutation
        • K(f);N_SPINR(b),P-FLIGHT,XR(G)
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • R(E)+K(F)
    • Vars
      • B(d);CHECK::R(E)+K(F),XB(d)
      • B(d);CHECK,XP(D)::R(E)+K(F),XB(d)
      • K(f);N_SPINR(b),P-FLIGHT::R(E)+K(F)
      • S(e);::R(E)+K(F),XS(e)
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