MESON Chess Problem Database

Problem Display
PID: 47427 (6N1/7p/8/6kp/8/3K1Q1p/8/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

6N1/7p/8/6kp/8/3K1Q1p/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Qf4#
    • 1...Kg6
      • 2.Qf6#
  • Tries
    • 1.Qf4+?
      • 1...Kg6
        • 2.Qf6#
      • 1...Kxf4!
    • 1.Qf5+?
      • 1...Kh4
        • 2.Qf4#
      • 1...Kxf5!
  • Keys
    • 1.Ke4!
      • threat
        • 2.Qg3#
      • 1...Kh4
        • 2.Qf4#
      • 1...Kg6
        • 2.Qf6#
      • 1...h4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(B)
    • K(b);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(b);S_FLIGHT::QAR2(B)
      • K(b);P-FLIGHT::QAR1(B)
      • P(c);SBLOCK::QAR1(B)
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