MESON Chess Problem Database

Problem Display
PID: 76830 (3K4/7Q/8/4k1p1/6B1/4P2P/3P4/6B1 w - - 0 1)

Butwillo, Brother

The Tablet, 1947

(First published on Sat Feb 1 1947)

3K4/7Q/8/4k1p1/6B1/4P2P/3P4/6B1

#2

7 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qe6#
        • 2.Qd4#
      • 1...Ke4
        • 2.Qf5#
        • 2.Qd4#
      • 1...Kf6!
    • 1.Qf7?
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kd6!
  • Keys
    • 1.e4!
      • 1...Kf4
        • 2.Bh2#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAB1(F)
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