MESON Chess Problem Database

Problem Display
PID: 68885 (8/8/1b6/8/1Q1N3N/1n6/3p2K1/4k3 w - - 0 1)

Anonymous

The Chess Players' Quarterly Chronicle, 1871

8/8/1b6/8/1Q1N3N/1n6/3p2K1/4k3

#2

4 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qf1#
      • 1...Kd1
        • 2.Qf1#
      • 1...d1Q
        • 2.Qf2#
      • 1...d1S
        • 2.Shf3#
      • 1...d1B
        • 2.Qf2#
      • 1...d1R
        • 2.Shf3#
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);N_PINP(b)
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • P(b);SBLOCK::QAB1(B)
      • P(b);SBLOCK::S(D)
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).