MESON Chess Problem Database

Problem Display
PID: 9440 (7Q/8/3p4/4Np2/Pp1k1N2/5K2/1P5b/8 w - - 0 1)

Heathcote, Godfrey

Pen & Pencil, 1889

(First published on Sat Aug 3 1889)

7Q/8/3p4/4Np2/Pp1k1N2/5K2/1P5b/8

#2

6 + 5

3402 Hampstead and Highgate Express 1903
5454 Near Snap 2007
3713 Snap 2008
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Se6#
  • Tries
    • 1.Qa8?
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.Qh8#
      • 1...d5
        • 2.Qxd5#
      • 1...Bxf4!
    • 1.Qd8?
      • threat
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Qh8#
      • 1...d5
        • 2.Qxd5#
      • 1...Kc5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.Qh8#
      • 1...dxe5
        • 2.Qxb4#
      • 1...d5
        • 2.Se6#

Anticipated by 4590(1881)

This anticipates 78391(2004)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(D)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);S_FLIGHT::QAB(F)
        • K(c);OGATEB,S_FLIGHT,XS(E)::QAB(F)
        • P(e);::QAR1(F),XP(e)
      • Refutation
        • B(a);XS(D)
    • Try
      • Q(F);P_PINP(e)
      • Threat
        • QAR2(F),XP(e)
      • Vars
        • K(c);N_SPINP(e),OGATEB,S_FLIGHT,XS(E)::QAB(F)
        • P(e);OGATE::QAR1(F),XP(e)
      • Refutation
        • K(c);N_SPINP(e),S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XP(e)
    • Vars
      • K(c);S_FLIGHT::QAB(F)
      • K(c);OGATEB,P_SPINP(e),S_FLIGHT,XS(E)::QAB(F)
      • P(e);SBLOCK,XS(E)::QAR2(F),XP(b)
      • P(e);SBLOCK::S(D)
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