MESON Chess Problem Database

Problem Display
PID: 214745 (k1K5/pR6/n7/8/8/8/8/8 w - - 0 1)

Shinkman, William Anthony

Detroit Free Press, 1877

k1K5/pR6/n7/8/8/8/8/8

#2

2 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Rb8#
    • 1...Sc5
      • 2.Rb8#
    • 1...Sc7
      • 2.Rb8#
    • 1...Sb8
      • 2.Rxb8#
  • Tries
    • 1.Rb1?
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#
      • 1...Sb4!
    • 1.Rb2?
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#
      • 1...Sb4!
    • 1.Rb3?
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#
      • 1...Sb4!
    • 1.Rb4?
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#
      • 1...Sxb4!
    • 1.Rb6?
      • 1...Sb4
        • 2.Rb8#
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#
      • 1...axb6!
  • Keys
    • 1.Rb5!
      • 1...Sb4
        • 2.Rb8#
      • 1...Sc5
        • 2.Rb8#
      • 1...Sc7
        • 2.Rb8#
      • 1...Sb8
        • 2.Rxb8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(A)
    • S(a);N_GUARD::R1(A),XS(a)
  • Tries
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);XR(A)
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • P(b);XR(A)
  • Actual
    • R(A);
    • Vars
      • S(a);N_GUARD::R1(A)
      • S(a);N_GUARD::R1(A),XS(a)
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