MESON Chess Problem Database

Problem Display
PID: 146363 (1N5K/2P1kBB1/6P1/1n5p/Q2n1P2/b1p5/3r4/8 w - - 0 1)

Kemp, Charles Edward

Manchester Weekly Times, 1918

(First published on Sat Jul 27 1918)

1N5K/2P1kBB1/6P1/1n5p/Q2n1P2/b1p5/3r4/8

#2

8 + 7

15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Qd7#
    • 1...Sa7
      • 2.Qd7#
      • 2.Qxa3#
    • 1...Sxc7
      • 2.Qd7#
  • Tries
    • 1.c8Q?
      • threat
        • 2.Qd7#
        • 2.Qf8#
      • 1...Kd6
        • 2.Bf8#
      • 1...Sc2
        • 2.Qf8#
      • 1...Se2
        • 2.Qf8#
      • 1...Sb3
        • 2.Qf8#
      • 1...Sf3
        • 2.Qf8#
      • 1...Sf5
        • 2.Qf8#
      • 1...Sc6
        • 2.Qf8#
      • 1...Se6!
  • Keys
    • 1.Qa5!
      • threat
        • 2.c8S#
      • 1...Kd6
        • 2.Bf8#
      • 1...Sxc7
        • 2.Qxc7#
      • 1...Sd6
        • 2.Qg5#
      • 1...Sa7
        • 2.Qxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);OGATE::QAR1(A)
    • S(e);OGATE,XP(D)::QAR1(A)
  • Tries
    • Try
      • P(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(g);S_FLIGHT::B(F)
        • S(d);::QAB1(D)
      • Refutation
        • S(d);
  • Actual
    • Q(A);
    • Threat
      • P=S
    • Vars
      • K(g);S_FLIGHT::B(F)
      • S(e);OGATE,XP(D)::QAR2(A),XS(e)
      • S(e);OGATE,SBLOCK::QAB(A)
      • S(e);N_GUARD::QAB(A),XB(b)
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