MESON Chess Problem Database

Problem Display
PID: 242092 (8/7B/3K1kPQ/8/8/7P/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/7B/3K1kPQ/8/8/7P/8/8

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.g7#
  • Tries
    • 1.Kd5?
      • 1...Kf5
        • 2.g7#
      • 1...Ke7!
    • 1.Qe3?
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kg7!
    • 1.Qh4+?
      • 1...Kf5
        • 2.g7#
      • 1...Kg7!
  • Keys
    • 1.g7+!
      • 1...Kf7
        • 2.Qg6#
        • 2.g8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::B(E)+P(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::B(E)+P(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::B(E)+P(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);CHECK
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