MESON Chess Problem Database

Problem Display
PID: 150623 (2nK4/7R/2p1k1pr/3pPp2/3PP3/8/2B1Q3/8 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

Hampstead and Highgate Express, 1896

(First published on Sat Apr 25 1896)

2nK4/7R/2p1k1pr/3pPp2/3PP3/8/2B1Q3/8

#2

7 + 7

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Re7#
    • 1...Sd6
      • 2.Re7#
    • 1...Sa7
      • 2.Re7#
    • 1...Se7
      • 2.Rxe7#
    • 1...dxe4
      • 2.Bb3#
      • 2.Qc4#
    • 1...fxe4
      • 2.Qg4#
    • 1...f4
      • 2.Qg4#
    • 1...g5
      • 2.exf5#
  • Tries
    • 1.Qa6?
      • threat
        • 2.Qxc8#
      • 1...dxe4
        • 2.Bb3#
        • 2.Qc4#
        • 2.Qa2#
      • 1...Sb6
        • 2.Re7#
      • 1...Sd6
        • 2.Re7#
      • 1...Sa7
        • 2.Re7#
      • 1...Se7
        • 2.Rxe7#
      • 1...Rxh7!
  • Keys
    • 1.Qg2!
      • 1...Rxh7
        • 2.Qxg6#
      • 1...dxe4
        • 2.Bb3#
      • 1...fxe4
        • 2.Qg4#
      • 1...Rh1
        • 2.Qxg6#
      • 1...Rh2
        • 2.Qxg6#
      • 1...Rh3
        • 2.Qxg6#
      • 1...Rh4
        • 2.Qxg6#
      • 1...Rh5
        • 2.Qxg6#
      • 1...Sb6
        • 2.Re7#
      • 1...Sd6
        • 2.Re7#
      • 1...Sa7
        • 2.Re7#
      • 1...Se7
        • 2.Rxe7#
      • 1...f4
        • 2.Qg4#
      • 1...c5
        • 2.exd5#
      • 1...g5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::R1(F)
    • S(g);N_GUARD::R1(F),XS(g)
    • P(b);OGATEB,XP(D)::QAB(B)
    • P(b);OGATEB::QAB(B)
    • P(e);N_GUARD::P(D),XP(b)
  • Tries
    • Try
      • Q(B);P_PINP(c)
      • Threat
        • QAB(B),XS(g)
      • Vars
        • S(g);N_GUARD,N_SPINP(c)::R1(F)
        • S(g);N_GUARD::R1(F)
        • S(g);N_GUARD::R1(F),XS(g)
      • Refutation
        • R(f);XR(F)
  • Actual
    • Q(B);
    • Vars
      • R(f);N_GUARD,XR(F)::QAR2(B),XP(e)
      • P(a);OGATEB,XP(D)::B(A)
      • P(b);OGATEB,XP(D)::QAB(B)
      • R(f);N_GUARD::QAR2(B),XP(e)
      • S(g);N_GUARD::R1(F)
      • S(g);N_GUARD::R1(F),XS(g)
      • P(b);OGATEB::QAB(B)
      • P(c);N_GUARD::P(D),XP(a)
      • P(e);N_GUARD::P(D),XP(b)
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