Problem Display
PID: 81450 (8/8/N7/Bk6/3K3Q/8/8/8 w - - 0 1)

Amirov, Talip Khasanovich

Molodoi kommunar, 1971

8/8/N7/Bk6/3K3Q/8/8/8

#3

4 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Kd5?
      • threat
        • 2.Qb4+
          • 2...Kxa6
            • 3.Qb6#
      • 1...Kxa5
        • 2.Kc6
          • 2...Kxa6
            • 3.Qa4#
      • 1...Kxa6!
    • 1.Sc5?
      • threat
        • 2.Qd8
          • 2...Kc6
            • 3.Qb6#
            • 3.Qd7#
      • 1...Kc6
        • 2.Kc4
          • 2...Kd6
            • 3.Qf6#
        • 2.Qf6+
          • 2...Kb5
            • 3.Qa6#
            • 3.Qb6#
        • 2.Qd8
          • 2...Kb5
            • 3.Qb6#
        • 2.Qh6+
          • 2...Kb5
            • 3.Qa6#
            • 3.Qb6#
      • 1...Kxa5!
    • 1.Qf6?
      • threat
        • 2.Qb6+
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxa5
        • 2.Kc4
          • 2...Ka4
            • 3.Qa1#
      • 1...Ka4!
    • 1.Qd8?
      • threat
        • 2.Sc5
          • 2...Kc6
            • 3.Qb6#
            • 3.Qd7#
        • 2.Qb6+
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxa6
        • 2.Qb6#
      • 1...Kc6
        • 2.Qd5#
      • 1...Ka4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qb4+
          • 2...Kxa6
            • 3.Qb6#
          • 2...Kc6
            • 3.Sb8#
        • 2.Qc5+
          • 2...Ka4
            • 3.Qb4#
          • 2...Kxa6
            • 3.Qb6#
      • 1...Kxa5
        • 2.Qb7
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxa6
        • 2.Kc4
          • 2...Kxa5
            • 3.Qa7#
        • 2.Kc5
          • 2...Kxa5
            • 3.Qa7#
      • 1...Kc6
        • 2.Sb8+
          • 2...Kb5
            • 3.Qb4#

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).