MESON Chess Problem Database

Problem Display
PID: 241776 (8/1P6/8/5p1K/5N2/6k1/4Q3/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/1P6/8/5p1K/5N2/6k1/4Q3/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.b8Q#
      • 2.b8B#
  • Tries
    • 1.Kg6?
      • 1...Kxf4
        • 2.b8Q#
        • 2.b8B#
      • 1...Kh4!
    • 1.Kh6?
      • 1...Kxf4
        • 2.b8Q#
        • 2.b8B#
      • 1...Kh4!
    • 1.Qf3+?
      • 1...Kh2
        • 2.Qg2#
      • 1...Kxf3!
  • Keys
    • 1.Qf1!
      • 1...Kh2
        • 2.Qg2#

FEATURES

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