MESON Chess Problem Database

Problem Display
PID: 151771 (4b3/1Kbk4/3p2p1/3Q2Bp/8/8/8/8 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

Hampstead and Highgate Express, 1897

(First published on Sat Jul 31 1897)

4b3/1Kbk4/3p2p1/3Q2Bp/8/8/8/8

#2

3 + 6

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.Qxf7#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qh3#
      • 1...Bf7
        • 2.Qxf7#
      • 1...d5!
  • Keys
    • 1.Qc4!
      • 1...Bf7
        • 2.Qxf7#
      • 1...d5
        • 2.Qc6#
      • 1...Ba5
        • 2.Qc8#
      • 1...Bb6
        • 2.Qc8#
      • 1...Bb8
        • 2.Qc8#
      • 1...Bd8
        • 2.Qc8#
      • 1...h4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::QAR2(A),XB(f)
  • Tries
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB(A)
      • Vars
        • B(f);N_GUARD::QAR2(A),XB(f)
      • Refutation
        • P(b);
  • Actual
    • Q(A);N_PINP(b)
    • Vars
      • B(f);N_GUARD::QAR2(A),XB(f)
      • P(b);::QAB1(A)
      • B(d);OGATE::QAB1(A)
      • P(a);N_GUARD::QAB(A)
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