MESON Chess Problem Database

Problem Display
PID: 23670 (1Q6/8/4pp2/6b1/2BNk3/7K/4N1P1/8 w - - 0 1)

Heathcote, Godfrey

London Weekly Times, 1893

1Q6/8/4pp2/6b1/2BNk3/7K/4N1P1/8

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Qxf4#
    • 1...Bh4
      • 2.Qf4#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Sg3#
      • 1...Kf5
        • 2.Bd3#
      • 1...Bf4
        • 2.Qxf4#
      • 1...Bh4
        • 2.Qf4#
      • 1...e5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Seg3#
      • 1...Kxf5
        • 2.Bd3#
      • 1...exf5
        • 2.Qe8#
      • 1...Bf4
        • 2.Qxf4#
      • 1...Bh4
        • 2.Qf4#
      • 1...e5
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAR1(F),XB(b)
    • B(b);N_GUARD::QAR1(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(A)
      • Vars
        • K(a);S_FLIGHT::B(D)
        • B(b);N_GUARD::QAR1(F),XB(b)
        • B(b);N_GUARD::QAR1(F)
      • Refutation
        • P(c);
  • Actual
    • S(E);
    • Threat
      • S(A)
    • Vars
      • K(a);S_FLIGHT,XS(E)::B(D)
      • P(c);OGATEB,SBLOCK,XS(E)::QAR(F)
      • B(b);N_GUARD::QAR1(F),XB(b)
      • B(b);N_GUARD::QAR1(F)
      • P(c);SBLOCK::QAB(F)
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