MESON Chess Problem Database

Problem Display
PID: 259356 (8/8/8/2kBP3/2b5/2BP4/2Q5/2K5 w - - 0 1)

Keeble, John Frederick

Western Morning News, 1924

(First published on Sat Feb 23 1924)

8/8/8/2kBP3/2b5/2BP4/2Q5/2K5

#2

6 + 2

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qc6#
      • 1...Kxd5
        • 2.Qxc4#
      • 1...Kb6
        • 2.Qa5#
      • 1...Bxd5
        • 2.Bd4#
      • 1...Bb5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);N_GUARD,P-FLIGHT,XB(E)::QAB1(B),XB(a)
      • K(b);S_CUTB(a),S_FLIGHT::QAB1(B)
      • B(a);SBLOCK,XB(E)::B(C)
      • B(a);OGATE,SBLOCK::QAB1(B)
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