MESON Chess Problem Database

Problem Display
PID: 47232 (4Q3/8/8/8/8/4K3/4P3/4k3 w - - 0 1)

Spencer, George Burt

St. Paul's Dispatch, 1906

4Q3/8/8/8/8/4K3/4P3/4k3

#2

3 + 1

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2009
136 Problem Observer 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • threat
        • 2.Qb1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qh5?
      • threat
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Kd1!
    • 1.Qc6?
      • threat
        • 2.Qh1#
        • 2.Qc1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Kd1!
    • 1.Qg6?
      • threat
        • 2.Qb1#
        • 2.Qg1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qa8?
      • threat
        • 2.Qh1#
        • 2.Qa1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Kd1!
    • 1.Qb8?
      • threat
        • 2.Qb1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qh8?
      • threat
        • 2.Qa1#
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Kd1!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qb1#
        • 2.Qh1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1
        • 2.Qh1#

Anticipated by 44561(1870), 56206(1881), 4604(1882)

This anticipates 234537(0000), 22033(1923), 87373(1964), 81733(2007)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
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