MESON Chess Problem Database

Problem Display
PID: 58744 (8/7Q/8/8/6p1/6N1/6kP/4K2R w K - 0 1)

Taffs, Anthony John

Chess Life, 1960

8/7Q/8/8/6p1/6N1/6kP/4K2R

#2

5 + 2

3713 Snap 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qe4#
  • Tries
    • 1.Rg1+?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kxg1!
    • 1.Qb1?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kh3!
    • 1.Qc2+?
      • 1...Kf3
        • 2.Qe4#
        • 2.Qf2#
      • 1...Kh3!
    • 1.Qg6?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kh3!
    • 1.Qa7?
      • 1...Kf3
        • 2.Qf2#
        • 2.0-0#
      • 1...Kh3!
    • 1.Qe7?
      • 1...Kf3
        • 2.Qe4#
        • 2.0-0#
      • 1...Kh3!
  • Keys
    • 1.Qh6!
      • 1...Kf3
        • 2.0-0#

Anticipated by 16442(1940)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(E)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT,XR(B)
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::0-0
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