Problem Display
PID: 11947 (8/8/K2B4/QN1k4/8/3N1R2/8/8 w - - 0 1)

Kharichev, Evgeny Vladimirovich

Shakhmaty v SSSR, 1973

8/8/K2B4/QN1k4/8/3N1R2/8/8

#2

6 + 1


SOLUTION


  • COOKED
  • Sets
    • 1...Kc4
      • 2.Qa2#
  • Tries
    • 1.Kb6?
      • 1...Kc4
        • 2.Qa2#
      • 1...Ke4
        • 2.Qa8#
      • 1...Ke6!
    • 1.Sf4+?
      • 1...Kc4
        • 2.Rc3#
        • 2.Qc3#
        • 2.Qb4#
        • 2.Qc7#
        • 2.Qa2#
        • 2.Qa4#
      • 1...Kc6
        • 2.Qc7#
      • 1...Ke4!
    • 1.Se5?
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Sd4+?
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxd6
        • 2.Qd8#
      • 1...Kxd4!
    • 1.Re3?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kc6!
    • 1.Qe1?
      • 1...Kc4
        • 2.Qe6#
      • 1...Kc6!
    • 1.Qd2?
      • 1...Kc4
        • 2.Sb2#
        • 2.Se5#
        • 2.Qa2#
      • 1...Kc6
        • 2.Se5#
      • 1...Ke6
        • 2.Sc5#
      • 1...Ke4!
    • 1.Qc3?
      • 1...Ke4
        • 2.Qc6#
      • 1...Ke6!
    • 1.Qa2+?
      • 1...Kc6
        • 2.Se5#
      • 1...Ke4!
  • Keys
    • 1.Qc7!
      • 1...Ke4
        • 2.Qc6#
        • 2.Qb7#
      • 1...Ke6
        • 2.Qf7#
    • 1.Qd8!
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke4
        • 2.Qa8#
      • 1...Kc6
        • 2.Sb4#
      • 1...Ke6
        • 2.Sc7#

FEATURES


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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).