MESON Chess Problem Database

Problem Display
PID: 201328 (8/6N1/8/2Q5/4k3/8/4K3/5N2 w - - 0 1)

Beck, Gottfried

Funkschach, 1926

8/6N1/8/2Q5/4k3/8/4K3/5N2

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf5#
  • Tries
    • 1.Kd2?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kf3!
    • 1.Kf2?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd3!
    • 1.Qa5?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
    • 1.Qb5?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kxd5!
    • 1.Qh5?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
  • Keys
    • 1.Sh2!
      • 1...Kf4
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
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