MESON Chess Problem Database

Problem Display
PID: 183663 (8/8/K7/2k5/4PBQ1/1P6/8/n7 w - - 0 1)

Morgan, Philip

British Chess Magazine, 1915

8/8/K7/2k5/4PBQ1/1P6/8/n7

#2

5 + 2

5454 Near Snap 2018
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qc8#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qc3#
      • 1...Kb4
        • 2.Bd6#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6!
    • 1.Qc8+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kb4!
    • 1.Qg3?
      • threat
        • 2.Qc3#
      • 1...Kb4
        • 2.Bd6#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6!
    • 1.Qg7?
      • threat
        • 2.Qc3#
      • 1...Kc6
        • 2.Qc7#
      • 1...Kb4!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qc3#
      • 1...Kb4
        • 2.Bd6#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6
        • 2.Qc8#

Anticipated by 244662(1904)

This anticipates 157611(1986), 105387(1992), 245997(2009)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(D)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);S_FLIGHT::B(C)
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);S_FLIGHT::B(C)
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);S_FLIGHT::QAB1(D)
      • K(b);P-FLIGHT::QAR2(D)
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