MESON Chess Problem Database

Problem Display
PID: 152519 (3n4/5B2/1pp5/5kp1/3pp1N1/1Q1p2K1/8/8 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

Hampstead and Highgate Express, 1898

(First published on Sat Dec 17 1898)

3n4/5B2/1pp5/5kp1/3pp1N1/1Q1p2K1/8/8

#2

4 + 8

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Qxe6#
    • 1...Sb7
      • 2.Qe6#
    • 1...Sxf7
      • 2.Qxf7#
    • 1...e3
      • 2.Qxd3#
    • 1...c5
      • 2.Qd5#
  • Keys
    • 1.Qc4!
      • 1...Sxf7
        • 2.Qxf7#
      • 1...e3
        • 2.Qxd3#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sb7
        • 2.Qe6#
      • 1...d2
        • 2.Qf1#
      • 1...b5
        • 2.Qc5#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(h);N_GUARD::QAB1(A),XS(h)
    • S(h);N_GUARD::QAB1(A)
    • S(h);OGATE,XB(D)::QAR2(A),XS(h)
    • P(c);OGATEB::QAB(A),XP(a)
    • P(g);N_GUARD::QAR2(A)
  • Actual
    • Q(A);
    • Vars
      • S(h);OGATE,XB(D)::QAR2(A),XS(h)
      • P(c);OGATEB::QAB(A),XP(a)
      • S(h);N_GUARD::QAB1(A),XS(h)
      • S(h);N_GUARD::QAB1(A)
      • P(a);OGATE::QAR(A)
      • P(f);N_GUARD::QAR(A)
      • P(g);N_GUARD::QAR2(A)
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