MESON Chess Problem Database

Problem Display
PID: 223126 (5K2/1Q6/8/5kp1/6Nb/7B/8/8 w - - 0 1)

Rowe, Harry

Evening Telegram, 1885

5K2/1Q6/8/5kp1/6Nb/7B/8/8

#2

4 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Qf7#
  • Tries
    • 1.Qf3+?
      • 1...Kg6
        • 2.Qf7#
      • 1...Ke6!
    • 1.Qd5+?
      • 1...Kg6
        • 2.Qf7#
      • 1...Kf4!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qf3#
      • 1...Kxg4
        • 2.Qf3#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kg6
        • 2.Qf7#

This anticipates 45895(1987)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);S_FLIGHT,XS(B)::QAB1(C)
      • K(b);S_FLIGHT::QAB1(C)
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).