MESON Chess Problem Database

Problem Display
PID: 227791 (8/1Q6/3k4/5P1N/2K5/8/8/8 w - - 0 1)

Zilahi, Zoltan

Magyar Sakkvilag, 1926

8/1Q6/3k4/5P1N/2K5/8/8/8

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd5#
  • Tries
    • 1.Qc8?
      • 1...Ke5
        • 2.Qe6#
      • 1...Ke7!
    • 1.Qd7+?
      • 1...Ke5
        • 2.Qe6#
        • 2.Qd5#
      • 1...Kxd7!
    • 1.Qf7?
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe6#
      • 1...Kc6!
  • Keys
    • 1.f6!
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#

FEATURES

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