MESON Chess Problem Database

Problem Display
PID: 234695 (8/K2k4/1P4pR/6Q1/8/3B4/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2011

8/K2k4/1P4pR/6Q1/8/3B4/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5+?
      • 1...Kd6
        • 2.Rxg6#
      • 1...Kc8
        • 2.Rh8#
      • 1...Ke6!
    • 1.Rxg6?
      • 1...Kc8
        • 2.Bf5#
      • 1...Ke8!
  • Keys
    • 1.Bxg6!
      • 1...Kc6
        • 2.Be8#
      • 1...Kd6
        • 2.Be8#
      • 1...Ke6
        • 2.Be8#
      • 1...Kc8
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::R(D),XP(a)
        • K(b);S_FLIGHT::R(D)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(D);XP(a)
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);XP(a)
    • Vars
      • K(b);S_FLIGHT::R(D)+B(A),DCHECK
      • K(b);P-FLIGHT::R(D)+B(A)
      • K(b);S_FLIGHT::R(D)+B(A)
      • K(b);S_FLIGHT::B(A)
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