MESON Chess Problem Database

Problem Display
PID: 251892 (8/4N3/1Q2p3/3Pk3/7P/4NB2/1K2n3/8 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

The Field, 1907

(First published on Sat Dec 28 1907)

8/4N3/1Q2p3/3Pk3/7P/4NB2/1K2n3/8

#2

7 + 3

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sg4#
    • 1...exd5
      • 2.Sg6#
  • Keys
    • 1.S3f5!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kf6
        • 2.Qxe6#
      • 1...exd5
        • 2.Qd6#
      • 1...exf5
        • 2.Sg6#
      • 1...Sc1
        • 2.Qd4#
      • 1...Sg1
        • 2.Qd4#
      • 1...Sc3
        • 2.Qd4#
      • 1...Sg3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::S(B)
    • P(c);XP(E)::S(G)
  • Actual
    • S(B);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAB1(F)
      • K(b);N_GUARD,P_SPINP(c),S_FLIGHT::QAR1(F),XP(c)
      • P(c);XP(E)::QAB1(F)
      • P(c);SBLOCK,XS(B)::S(G)
      • S(a);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
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