MESON Chess Problem Database

Problem Display
PID: 241894 (3K4/2N5/8/4k3/8/5Q2/2N2P2/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

3K4/2N5/8/4k3/8/5Q2/2N2P2/8

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qd5#
  • Tries
    • 1.Sa1?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Se1?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Se3?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Sb4?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Sd4?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kxd4!
    • 1.Qf5+?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kxf5!
    • 1.Qf7?
      • 1...Kd6
        • 2.Qd5#
      • 1...Ke4!
  • Keys
    • 1.Sa3!
      • 1...Kd4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::QAR1(C)
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