MESON Chess Problem Database

Problem Display
PID: 47753 (8/8/1KNp4/8/2k5/8/bP6/3Q4 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

8/8/1KNp4/8/2k5/8/bP6/3Q4

#2

4 + 3

136 Problem Observer 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.Qd4#
    • 1...d5
      • 2.Qc2#
  • Tries
    • 1.b3+?
      • 1...Bxb3
        • 2.Qd4#
      • 1...Kc3!
  • Keys
    • 1.Qf3!
      • 1...Bb1
        • 2.b3#
      • 1...Bb3
        • 2.Qe4#
      • 1...d5
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR1(A)
    • P(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • B(a);SBLOCK,XP(B)::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • B(a);N_GUARD::P(B)
      • B(a);SBLOCK::QAR2(A)
      • P(c);SBLOCK::QAR1(A)
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