MESON Chess Problem Database

Problem Display
PID: 144735 (3Q4/3K4/3BB3/8/4k3/7P/8/3N4 w - - 0 1)

Williams, Philip Hamilton

Hampstead and Highgate Express, 1895

(First published on Sat Apr 20 1895)

3Q4/3K4/3BB3/8/4k3/7P/8/3N4

#2

6 + 1

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Qh4+?
      • 1...Kf3
        • 2.Qg4#
      • 1...Kd3!
    • 1.Qg5?
      • threat
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kd4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kd3!
    • 1.Qa8+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd3!
  • Keys
    • 1.Bc4!
      • 1...Kf3
        • 2.Qa8#
      • 1...Kd4
        • 2.Qh4#
      • 1...Kf5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::QAB(F)
      • K(a);P-FLIGHT::QAR(F)
      • K(a);S_FLIGHT::B(D)
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