MESON Chess Problem Database

Problem Display
PID: 176023 (5K2/7p/6k1/5p2/7P/8/4Q3/8 w - - 0 1)

Fabel, Karl

Schach-Echo, 1941

5K2/7p/6k1/5p2/7P/8/4Q3/8

#2

3 + 3

3713 Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qg2+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh6
        • 2.Qg5#
      • 1...Kf6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh6
        • 2.Qg5#
      • 1...h5
        • 2.Qg7#
      • 1...h6
        • 2.Qf7#

This anticipates 172420(1997)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • K(b);P-FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAR1(A)
      • P(c);SBLOCK::QAB1(A)
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