MESON Chess Problem Database

Problem Display
PID: 150400 (5n1N/8/3KNk1p/2p5/3p1P2/8/8/6Q1 w - - 0 1)

Nesbitt, HA

Hampstead and Highgate Express, 1896

(First published on Sat Feb 1 1896)

5n1N/8/3KNk1p/2p5/3p1P2/8/8/6Q1

#2

5 + 5

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe6
      • 2.Qg6#
    • 1...Sg6
      • 2.Qxg6#
    • 1...Sd7
      • 2.Qg6#
    • 1...Sh7
      • 2.Qg6#
    • 1...h5
      • 2.Qg5#
  • Tries
    • 1.Qg8?
      • threat
        • 2.Qf7#
        • 2.Qxf8#
      • 1...Sxe6
        • 2.Qf7#
        • 2.Qg6#
      • 1...Sg6
        • 2.Qf7#
        • 2.Qxg6#
      • 1...Sd7
        • 2.Qf7#
        • 2.Qg6#
      • 1...Sh7
        • 2.Qf7#
        • 2.Qg6#
      • 1...Kf5!
  • Keys
    • 1.Sg7!
      • 1...Sg6
        • 2.Qxg6#
      • 1...d3
        • 2.Qa1#
      • 1...Se6
        • 2.Qg6#
      • 1...Sd7
        • 2.Qg6#
      • 1...Sh7
        • 2.Qg6#
      • 1...c4
        • 2.Qxd4#
      • 1...h5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD,XS(D)::QAR1(A)
    • S(e);N_GUARD::QAR1(A),XS(e)
    • S(e);N_GUARD::QAR1(A)
    • P(d);N_GUARD::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • S(e);N_GUARD::QAR1(A),XS(e)
      • P(a);OGATEB::QAB(A)
      • S(e);N_GUARD::QAR1(A)
      • P(b);N_GUARD::QAB(A),XP(a)
      • P(d);N_GUARD::QAB1(A)
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