MESON Chess Problem Database

Problem Display
PID: 241766 (8/3P4/1QPN4/3k1P2/5K2/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/3P4/1QPN4/3k1P2/5K2/8/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.d8Q#
  • Tries
    • 1.Ke3?
      • 1...Ke5
        • 2.Qd4#
      • 1...Kxd6!
    • 1.Kg5?
      • 1...Ke5
        • 2.Qc5#
      • 1...Kxd6!
  • Keys
    • 1.Qb5+!
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxd6
        • 2.d8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XS(E)::P=Q
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XS(E)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT,XS(E)
  • Actual
    • Q(C);CHECK
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);P-FLIGHT,XS(E)::P=Q
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