MESON Chess Problem Database

Problem Display
PID: 227293 (Q4N2/2K5/8/8/4NRbk/8/8/8 w - - 0 1)

Kardos, Tivadar

Deutsche Schachzeitung, 1980

Q4N2/2K5/8/8/4NRbk/8/8/8

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd8+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh3!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qh8#
        • 2.Qh1#
      • 1...Kh3
        • 2.Qh1#
      • 1...Kh5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);N_SPINB(a),P-FLIGHT::QAR2(D)
      • K(b);N_SPINB(a),P-FLIGHT::QAR(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).