MESON Chess Problem Database

Problem Display
PID: 147091 (6N1/7K/5p2/6bk/8/6Q1/7P/8 w - - 0 1)

Lincoln, Robert A

Australian Chess Problem Magazine TT, 1996

6N1/7K/5p2/6bk/8/6Q1/7P/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sxf6#
    • 1...Bd2
      • 2.Sxf6#
    • 1...Be3
      • 2.Sxf6#
    • 1...Bf4
      • 2.Sxf6#
    • 1...Bh4
      • 2.Qg6#
    • 1...Bh6
      • 2.Sxf6#
  • Keys
    • 1.h4!
      • 1...Bxh4
        • 2.Qg6#
      • 1...f5
        • 2.Qxg5#
      • 1...Bc1
        • 2.Sxf6#
      • 1...Bd2
        • 2.Sxf6#
      • 1...Be3
        • 2.Sxf6#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Bh6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::S(D),XP(c)
    • B(a);OGATE,SBLOCK::QAB1(B)
  • Actual
    • P(A);
    • Vars
      • B(a);OGATE,SBLOCK,XP(A)::QAB1(B)
      • P(c);N_GUARD::QAR1(B),XB(a)
      • B(a);N_GUARD::S(D),XP(c)
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