MESON Chess Problem Database

Problem Display
PID: 4594 (1Kn5/3pp3/7B/R1QBk3/8/8/8/8 w - - 0 1)

Hume, George

English Mechanic and World of Science, 1881

(First published on Fri Jul 1 1881)

1Kn5/3pp3/7B/R1QBk3/8/8/8/8

#2

5 + 4

3348 Changing Fashions 1925
5454 Near Snap 2021
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ba2+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf6
        • 2.Qf5#
        • 2.Qg5#
      • 1...d5!
    • 1.Bb3+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf6
        • 2.Qf5#
        • 2.Qg5#
      • 1...d5!
    • 1.Bc4+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf6
        • 2.Qf5#
        • 2.Qg5#
      • 1...d5!
    • 1.Bf7+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf6
        • 2.Qf2#
        • 2.Qf5#
      • 1...d5!
    • 1.Bg8+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Kf6
        • 2.Qf5#
        • 2.Qg5#
      • 1...d5!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd6!
    • 1.Qxe7+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Sxe7!
    • 1.Qc3+?
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf5!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg5#

This anticipates 163887(1975)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • S(d);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).