MESON Chess Problem Database

Problem Display
PID: 241847 (8/6QR/5p2/5k2/3K4/6P1/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/6QR/5p2/5k2/3K4/6P1/8/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qd7#
  • Tries
    • 1.Qxf6+?
      • 1...Kg4
        • 2.Qf4#
      • 1...Kxf6!
    • 1.Qh6?
      • 1...Kg4
        • 2.Qf4#
      • 1...Ke6!
    • 1.Qf7?
      • 1...Kg5
        • 2.Qh5#
      • 1...Kg4!
    • 1.g4+?
      • 1...Ke6
        • 2.Qd7#
        • 2.Qe7#
      • 1...Kf4!
  • Keys
    • 1.Rh6!
      • 1...Ke6
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK,XP(b)
      • 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_SPINP(b),S_FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • P(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::R1(D),XP(b)
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