MESON Chess Problem Database

Problem Display
PID: 241933 (6Q1/8/3k4/1K1N4/B4P2/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

6Q1/8/3k4/1K1N4/B4P2/8/8/8

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Kc5#
  • Tries
    • 1.Qg7?
      • 1...Kxd5
        • 2.Qe5#
      • 1...Ke6!
    • 1.f5?
      • threat
        • 2.Qe6#
      • 1...Kd7
        • 2.Kc5#
      • 1...Ke5!
  • Keys
    • 1.Qe8!
      • 1...Kxd5
        • 2.Qe5#

FEATURES

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