MESON Chess Problem Database

Problem Display
PID: 150135 (8/3N4/2N5/7B/8/1K1Pkr2/2P1pR2/6Q1 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

Hampstead and Highgate Express, 1895

(First published on Sat Aug 24 1895)

8/3N4/2N5/7B/8/1K1Pkr2/2P1pR2/6Q1

#2

8 + 3

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Rxf3#
    • 1...Rxf2
      • 2.Qc1#
    • 1...Rf4
      • 2.Rxe2#
  • Tries
    • 1.Rxe2+?
      • 1...Kf4
        • 2.Qg4#
      • 1...Kxe2!
    • 1.Qe1?
      • threat
        • 2.Rxf3#
      • 1...Rxf2
        • 2.Qc1#
      • 1...Rg3
        • 2.Qxe2#
      • 1...Rh3
        • 2.Qxe2#
      • 1...Rf4
        • 2.Rxe2#
        • 2.Qxe2#
      • 1...Rf5
        • 2.Qxe2#
      • 1...Rf6
        • 2.Qxe2#
      • 1...Rf7
        • 2.Qxe2#
      • 1...Rf8
        • 2.Qxe2#
      • 1...Kf4!
    • 1.Qg5+?
      • 1...Rf4
        • 2.Rxe2#
        • 2.Qxf4#
      • 1...Kxf2!
  • Keys
    • 1.Sb6!
      • 1...Kd2
        • 2.Sc4#
      • 1...Kf4
        • 2.Rxf3#
      • 1...Rxf2
        • 2.Qc1#
      • 1...e1Q
        • 2.Sd5#
      • 1...e1S
        • 2.Sd5#
      • 1...e1B
        • 2.Sd5#
      • 1...e1R
        • 2.Sd5#
      • 1...Rg3
        • 2.Sc4#
      • 1...Rh3
        • 2.Sc4#
      • 1...Rf4
        • 2.Rxe2#
      • 1...Rf5
        • 2.Sc4#
      • 1...Rf6
        • 2.Sc4#
      • 1...Rf7
        • 2.Sc4#
      • 1...Rf8
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • K(b);P_PINP(E),P_SPINR(c),S_FLIGHT::R1(C),XR(c)
    • R(c);P_SPINR(c),SBLOCK,XR(C)::QAB(A)
    • R(c);SBLOCK::QAB(A)+R(C),DCHECK,XP(a)
  • Tries
    • Try
      • R(C);CHECK,XP(a)
      • Vars
        • K(b);P_PINP(E),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(E),P_SPINR(c),XR(C)
    • Try
      • Q(A);P_PINP(a)
      • Threat
        • R1(C),XR(c)
      • Vars
        • R(c);SBLOCK,XR(C)::QAB(A)
        • R(c);::QAR1(A),XP(a)
      • Refutation
        • K(b);N_SPINP(a),P_PINP(E),P_SPINR(c),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P_PINP(E),S_FLIGHT,XR(C)
  • Actual
    • S(H);
    • Vars
      • K(b);P_PINP(E),P_SPINP(a),S_FLIGHT::S(H)
      • K(b);P_PINP(E),P_SPINR(c),S_FLIGHT::R1(C),XR(c)
      • R(c);P_SPINR(c),SBLOCK,XR(C)::QAB(A)
      • P(a);::S(H)
      • R(c);::S(H)
      • R(c);SBLOCK::QAB(A)+R(C),DCHECK,XP(a)
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