MESON Chess Problem Database

Problem Display
PID: 234456 (k7/B1K4b/1p6/8/8/8/6R1/8 w - - 0 1)

Lincoln, Robert A

ChessStar, 2013

k7/B1K4b/1p6/8/8/8/6R1/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa7
      • 2.Ra2#
  • Keys
    • 1.Bxb6!
      • threat
        • 2.Ra2#
      • 1...Bb1
        • 2.Rg8#
      • 1...Bc2
        • 2.Rg8#
      • 1...Bd3
        • 2.Rg8#
      • 1...Bg8
        • 2.Rxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,P-FLIGHT,XB(B)::R(A)
  • Actual
    • B(B);XP(a)
    • Threat
      • R(A)
    • Vars
      • B(b);N_GUARD::R(A)
      • B(b);N_GUARD::R(A),XB(b)
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