MESON Chess Problem Database

Problem Display
PID: 242020 (8/5p2/5K2/8/1N1k4/6P1/8/2Q5 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/5p2/5K2/8/1N1k4/6P1/8/2Q5

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf4#
  • Tries
    • 1.Qc3+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxc3!
    • 1.Qc7?
      • 1...Ke4
        • 2.Qf4#
      • 1...Ke3!
  • Keys
    • 1.Kxf7!
      • 1...Ke4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#

FEATURES

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