MESON Chess Problem Database

Problem Display
PID: 142467 (6Q1/1Np5/8/4k3/2K5/4p2N/8/8 w - - 0 1)

Markwick, Frederick W

Football Express, 1906

6Q1/1Np5/8/4k3/2K5/4p2N/8/8

#2

4 + 3

14867 BCPS Library 2011
15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd5#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#
        • 2.Qg5#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6!
    • 1.Qg5+?
      • 1...Ke4
        • 2.Qf4#
        • 2.Qd5#
      • 1...Ke6!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAB1(D)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(D)
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAR1(D)
    • Vars
      • K(b);P-FLIGHT::QAB1(D)
      • K(b);S_FLIGHT::QAR1(D)
      • K(b);S_FLIGHT::QAB1(D)
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