MESON Chess Problem Database

Problem Display
PID: 167092 (k1K5/2p5/8/1P1R4/2BB4/8/8/8 w - - 0 1)

Lincoln, Robert A

Sp. Comm., StrateGems, 2016

k1K5/2p5/8/1P1R4/2BB4/8/8/8

#2

5 + 2

145 StrateGems 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rd6?
      • threat
        • 2.Ra6#
      • 1...cxd6
        • 2.Bd5#
      • 1...c6!
    • 1.Rd8?
      • threat
        • 2.Kxc7#
      • 1...c6
        • 2.Kc7#
      • 1...c5!
  • Keys
    • 1.Rd7!
      • 1...c6
        • 2.Ra7#
      • 1...c5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • P(a);N_GUARD,XR(D)::B(A)
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Threat
        • R(D)+K(E),XP(a)
      • Vars
        • P(a);::R(D)+K(E)
      • Refutation
        • P(a);
  • Actual
    • R(D);
    • Vars
      • P(a);OGATE::R1(D)
      • P(a);N_GUARD::B(A)
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