MESON Chess Problem Database

Problem Display
PID: 221552 (8/4p3/4n3/1B1R1p1Q/1B1nk3/N3P3/4R3/7K w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

The Field, 1892

(First published on Sat Feb 20 1892)

8/4p3/4n3/1B1R1p1Q/1B1nk3/N3P3/4R3/7K

#2

8 + 5

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxf5#
    • 1...Sb3
      • 2.Qxf5#
    • 1...Sf3
      • 2.Qxf5#
    • 1...Sxb5
      • 2.Qxf5#
    • 1...Sc6
      • 2.Qxf5#
    • 1...f4
      • 2.Re5#
      • 2.exd4#
  • Keys
    • 1.Sc4!
      • 1...Kd3
        • 2.Sd6#
      • 1...Kxd5
        • 2.e4#
      • 1...Sxe2
        • 2.Qxf5#
      • 1...Sxb5
        • 2.Qxf5#
      • 1...Sc2
        • 2.Qxf5#
      • 1...Sb3
        • 2.Qxf5#
      • 1...Sf3
        • 2.Qxf5#
      • 1...Sc6
        • 2.Qxf5#
      • 1...Sf4
        • 2.Rxd4#
      • 1...Sc5
        • 2.Rxd4#
      • 1...Sg5
        • 2.Rxd4#
      • 1...Sc7
        • 2.Rxd4#
      • 1...Sg7
        • 2.Rxd4#
      • 1...Sd8
        • 2.Rxd4#
      • 1...Sf8
        • 2.Rxd4#
      • 1...f4
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB1(H),XP(c)
    • S(a);N_GUARD,XB(F)::QAB1(H),XP(c)
  • Actual
    • S(C);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::B(F)+S(C)
      • K(b);OGATE,P_SPINP(c),S_FLIGHT,XR(G)::P(D)
      • S(a);N_GUARD,XR(B)::QAB1(H),XP(c)
      • S(a);N_GUARD,XB(F)::QAB1(H),XP(c)
      • S(a);N_GUARD::QAB1(H),XP(c)
      • S(d);N_GUARD::R1(G),XS(a)
      • P(c);::S(C)
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