MESON Chess Problem Database

Problem Display
PID: 2906 (8/1p6/2R5/8/8/8/2K5/k7 w - - 0 1)

Shinkman, William Anthony

Source?, 1905

8/1p6/2R5/8/8/8/2K5/k7

#2

2 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Ra6#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Ra4#
      • 1...Ka2
        • 2.Ra4#
      • 1...b5!
    • 1.Rc7?
      • 1...b6
        • 2.Ra7#
      • 1...b5
        • 2.Ra7#
      • 1...Ka2!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Ra8#
      • 1...Ka2
        • 2.Ra8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::R(B)
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • P(b);OGATE::R(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • K(a);P-FLIGHT::R(B)
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