MESON Chess Problem Database

Problem Display
PID: 202874 (5Q2/8/2P1k3/8/3K4/8/8/8 w - - 0 1)

Ballo, Gyorgy

Magyar Sakkvilag, 1926

5Q2/8/2P1k3/8/3K4/8/8/8

#2

3 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kf5!
    • 1.Qf7+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kxf7!
  • Keys
    • 1.c7!
      • 1...Kd7
        • 2.c8Q#

FEATURES

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