MESON Chess Problem Database

Problem Display
PID: 221728 (1KNR2nB/2p1rp2/4kqp1/6Q1/B4n2/1P4N1/8/8 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

The Field, 1893

(First published on Sat Feb 25 1893)

1KNR2nB/2p1rp2/4kqp1/6Q1/B4n2/1P4N1/8/8

#2

8 + 8

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qxe5#
    • 1...Rd7
      • 2.Bxd7#
    • 1...Re8
      • 2.Bd7#
    • 1...Se2
      • 2.Qd5#
    • 1...Sg2
      • 2.Qd5#
    • 1...Sd3
      • 2.Qd5#
    • 1...Sh3
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sh5
      • 2.Qd5#
    • 1...Sh6
      • 2.Qxf6#
    • 1...c5
      • 2.Rd6#
    • 1...c6
      • 2.Rd6#
  • Keys
    • 1.Se2!
      • 1...Qxg5
        • 2.Sd4#
      • 1...Qxh8
        • 2.Sxf4#
      • 1...Sxe2
        • 2.Qd5#
      • 1...Qa1
        • 2.Sxf4#
      • 1...Qb2
        • 2.Sxf4#
      • 1...Qc3
        • 2.Sxf4#
      • 1...Qd4
        • 2.Sxd4#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qg7
        • 2.Sxf4#
      • 1...Qf5
        • 2.Sd4#
      • 1...Rd7
        • 2.Bxd7#
      • 1...Re8
        • 2.Bd7#
      • 1...Sg2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sh3
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sh5
        • 2.Qd5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...c5
        • 2.Rd6#
      • 1...c6
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_GUARD::QAR1(D),XQ(c)
    • R(f);N_GUARD::B(C),XR(f)
    • R(f);N_GUARD::B(C)
    • S(a);N_GUARD::QAB1(D)
    • S(a);N_GUARD::QAB1(D),XS(a)
    • S(h);N_GUARD::QAR1(D),XQ(c)
    • P(e);N_GUARD::R1(G)
  • Actual
    • S(B);
    • Vars
      • Q(c);N_GUARD,XQ(D)::S(B)
      • Q(c);N_GUARD,XB(H)::S(B),XS(a)
      • S(a);N_GUARD,XS(B)::QAB1(D)
      • Q(c);N_GUARD::S(B),XS(a)
      • Q(c);N_GUARD,P_PINP(A)::S(B),XS(a)
      • Q(c);N_GUARD::S(B),XQ(c)
      • Q(c);N_GUARD::QAR1(D),XQ(c)
      • Q(c);N_GUARD::S(B)
      • R(f);N_GUARD::B(C),XR(f)
      • R(f);N_GUARD::B(C)
      • S(a);N_GUARD::QAB1(D)
      • S(a);N_GUARD::QAB1(D),XS(a)
      • S(h);N_GUARD::QAR1(D),XQ(c)
      • P(e);N_GUARD::R1(G)
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