MESON Chess Problem Database

Problem Display
PID: 242018 (2R5/5p2/4kP2/2Q3K1/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

2R5/5p2/4kP2/2Q3K1/8/8/8/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Qc6#
  • Tries
    • 1.Kf4?
      • threat
        • 2.Qc6#
      • 1...Kd7
        • 2.Qc6#
      • 1...Kxf6!
    • 1.Kg4?
      • 1...Kd7
        • 2.Qc6#
      • 1...Kxf6!
    • 1.Kh4?
      • 1...Kd7
        • 2.Qc6#
      • 1...Kxf6!
    • 1.Kh5?
      • 1...Kd7
        • 2.Qc6#
      • 1...Kxf6!
  • Keys
    • 1.Kh6!
      • 1...Kxf6
        • 2.Rc6#
      • 1...Kd7
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT,XP(C)::R(D)
      • K(a);S_FLIGHT::QAB1(A)
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