MESON Chess Problem Database

Problem Display
PID: 186003 (3B4/pR6/8/8/k7/p2K4/8/5B2 w - - 0 1)

Lincoln, Robert A

Problem Observer, 2017

3B4/pR6/8/8/k7/p2K4/8/5B2

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • threat
        • 2.Rb4#
        • 2.Rxa7#
      • 1...a2
        • 2.Rxa7#
      • 1...a6
        • 2.Rb4#
      • 1...a5!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Bb5#
        • 2.Rb4#
        • 2.Rxa7#
      • 1...a2
        • 2.Rxa7#
      • 1...a5
        • 2.Bb5#
      • 1...a6
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::R(C),XP(c)
        • P(c);::R1(C)
      • Refutation
        • P(c);
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • P(a);::R(C),XP(c)
      • P(c);::B(A)
      • P(c);::R1(C)
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