MESON Chess Problem Database

Problem Display
PID: 39732 (4K3/7k/7p/3p4/6Q1/8/b7/b7 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

4K3/7k/7p/3p4/6Q1/8/b7/b7

#2

2 + 5

5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qg8#
      • 1...Kh8
        • 2.Qg8#
      • 1...h5
        • 2.Qxh5#
      • 1...Bg7
        • 2.Qxg7#
      • 1...d4+!
  • Keys
    • 1.Kf8!
      • threat
        • 2.Qg8#
      • 1...Bg7+
        • 2.Qxg7#
      • 1...Kh8
        • 2.Qg8#
      • 1...h5
        • 2.Qxh5#
      • 1...d4
        • 2.Qg7#

This anticipates 185803(2016)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • K(e);P-FLIGHT::QAR1(A)
        • P(d);OGATEB::QAR2(A),XP(d)
        • B(a);N_GUARD::QAR1(A),XB(a)
      • Refutation
        • P(c);CHECK
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • QAB1(A)
    • Vars
      • B(a);CHECK,N_GUARD::QAR1(A),XB(a)
      • K(e);P-FLIGHT::QAR1(A)
      • P(d);OGATEB::QAR2(A),XP(d)
      • P(c);S_CUTB(a)::QAR1(A)
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