MESON Chess Problem Database

Problem Display
PID: 49497 (6k1/3K4/8/6p1/8/8/1B6/Q7 w - - 0 1)

Fontaine, Leon

Neptune, 1928

6k1/3K4/8/6p1/8/8/1B6/Q7

#2

3 + 2

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1948
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qa8+?
      • 1...Kf7
        • 2.Qe8#
      • 1...Kh7!
  • Keys
    • 1.Bh8!
      • threat
        • 2.Qg7#
      • 1...Kf7
        • 2.Qg7#
      • 1...Kh7
        • 2.Qg7#
      • 1...Kf8
        • 2.Qg7#

This anticipates 152950(1935), 110521(1966)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • K(b);P-FLIGHT::QAB1(A)
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