MESON Chess Problem Database

Problem Display
PID: 241946 (5Q2/8/2K1k3/8/6P1/5P2/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

5Q2/8/2K1k3/8/6P1/5P2/8/8

#2

4 + 1

15148 Sadier Collection 2021
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd6#
  • Tries
    • 1.Kc5?
      • 1...Ke5
        • 2.Qd6#
        • 2.Qf5#
      • 1...Kd7!
    • 1.Kc7?
      • 1...Ke5
        • 2.Qd6#
      • 1...Kd5!
    • 1.Qd8?
      • 1...Ke5
        • 2.Qd6#
      • 1...Kf7!
  • Keys
    • 1.g5!
      • 1...Ke5
        • 2.Qf6#

This anticipates 171400(1995)

This is a version of 6770

FEATURES

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