MESON Chess Problem Database

Problem Display
PID: 255601 (7B/8/6p1/7k/8/7P/8/4Q2K w - - 0 1)

Swientek, K

Wiener Schachzeitung, 1933

7B/8/6p1/7k/8/7P/8/4Q2K

#2

4 + 2

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qh4#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Qh4#
      • 1...Kh6
        • 2.Qh4#
      • 1...g5!
    • 1.Qg3?
      • 1...Kh6
        • 2.Qh4#
      • 1...g5!
    • 1.Qe4?
      • 1...Kh6
        • 2.Qh4#
      • 1...g5
        • 2.Qh7#
      • 1...Kg5!
  • Keys
    • 1.Qe7!
      • 1...Kh6
        • 2.Qh4#
      • 1...g5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR2(A)
        • P(b);OGATE,SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
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