MESON Chess Problem Database

Problem Display
PID: 262687 (6B1/1NnnpN2/8/K2k4/3p2Q1/1P6/8/2R4b w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

The Field, 1889

(First published on Sat Jan 26 1889)

6B1/1NnnpN2/8/K2k4/3p2Q1/1P6/8/2R4b

#2

7 + 6

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qxd7#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Se5
      • 2.Rc5#
    • 1...Sb6
      • 2.Rc5#
    • 1...Sf6
      • 2.Rc5#
    • 1...Sb8
      • 2.Rc5#
    • 1...Sf8
      • 2.Rc5#
    • 1...d3
      • 2.Qc4#
  • Tries
    • 1.Sfd6+?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qg5#
      • 1...Se6
        • 2.Qxe6#
      • 1...e6!
    • 1.Sh6+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Se6
        • 2.Qxe6#
      • 1...e6!
    • 1.Qf3+?
      • 1...Ke6
        • 2.Sbd8#
        • 2.Rc6#
      • 1...Bxf3!
    • 1.Qf5+?
      • 1...Se5
        • 2.Rc5#
        • 2.Qxe5#
      • 1...e5!
    • 1.Qxd4+?
      • 1...Ke6
        • 2.Sfd6#
        • 2.Sh6#
      • 1...Kxd4!
  • Keys
    • 1.Rc6!
      • 1...Kxc6
        • 2.Sfd8#
      • 1...e6
        • 2.Rd6#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qxd7#
      • 1...Sb5
        • 2.Qe6#
      • 1...Sa6
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sa8
        • 2.Qe6#
      • 1...Se8
        • 2.Qe6#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Se5
        • 2.Rc5#
      • 1...Sb6
        • 2.Rc5#
      • 1...Sf6
        • 2.Rc5#
      • 1...Sb8
        • 2.Rc5#
      • 1...Sf8
        • 2.Rc5#
      • 1...d3
        • 2.Qc4#
      • 1...e5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR2(C),XS(e)
    • S(e);N_GUARD::R1(A),XS(e)
    • S(e);N_GUARD::R1(A)
    • P(b);OGATE::QAB1(C)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
      • Refutation
        • P(f);P_SPINP(f)
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
      • Refutation
        • P(f);P_SPINP(f)
    • Try
      • Q(C);CHECK
      • Refutation
        • B(a);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • P(f);P_SPINP(f)
    • Try
      • Q(C);CHECK,XP(b)
      • Refutation
        • K(c);P-FLIGHT,XQ(C)
  • Actual
    • R(A);
    • Vars
      • K(c);N_GUARD,S_CUTP(f),S_CUTS(d),S_FLIGHT,XR(A)::S(F)
      • P(f);N_GUARD::R1(A)
      • B(a);N_GUARD::QAB(C),XB(a)
      • B(a);SBLOCK::QAR2(C),XS(e)
      • S(d);N_GUARD::QAB1(C)
      • S(d);N_GUARD::QAB1(C),XS(d)
      • S(e);N_GUARD::R1(A),XS(e)
      • S(e);N_GUARD::R1(A)
      • P(b);OGATE::QAB1(C)
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