MESON Chess Problem Database

Problem Display
PID: 242055 (8/8/4p3/4Q3/6k1/3p2P1/3R3K/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/8/4p3/4Q3/6k1/3p2P1/3R3K/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qf4#
  • Tries
    • 1.Kg1?
      • 1...Kf3
        • 2.Qf4#
      • 1...Kh3!
    • 1.Kh1?
      • 1...Kf3
        • 2.Qf4#
      • 1...Kh3!
    • 1.Ra2?
      • 1...Kf3
        • 2.Qf4#
      • 1...d2!
    • 1.Rb2?
      • 1...Kf3
        • 2.Qf4#
      • 1...d2!
    • 1.Rg2?
      • 1...Kf3
        • 2.Qf4#
      • 1...d2!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Qf4#
      • 1...Kxg5!
  • Keys
    • 1.Rf2!
      • 1...d2
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAR1(D)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • P(a);
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
  • Actual
    • R(A);
    • Vars
      • P(a);::R1(A)
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