Problem Display
PID: 125017 (5q2/5n2/8/3N1p2/1b1N2b1/n1Pp1p2/K2k4/7Q w - - 0 1)

Sobek, Karel

Pionyrske Noviny, 1963

5q2/5n2/8/3N1p2/1b1N2b1/n1Pp1p2/K2k4/7Q

#3

5 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kc2
        • 2.Qc1#
      • 1...Ke2!
    • 1.Sxf3+?
      • 1...Kc2
        • 2.Se3+
          • 2...Kxc3
            • 3.Qa1#
        • 2.Qg2+
          • 2...Kc1
            • 3.Qd2#
          • 2...Kd1
            • 3.Qd2#
          • 2...d2
            • 3.Qxd2#
        • 2.Qe1
          • threat
            • 3.Sd4#
            • 3.Se3#
            • 3.Qd2#
          • 2...d2
            • 3.Qxd2#
        • 2.Qh2+
          • 2...Kc1
            • 3.Qd2#
          • 2...Kd1
            • 3.Qd2#
          • 2...d2
            • 3.Qxd2#
      • 1...Ke2
        • 2.Qg2+
          • 2...Kd1
            • 3.Qd2#
      • 1...Bxf3!
    • 1.Qf1?
      • threat
        • 2.Sb3+
          • 2...Kc2
            • 3.Qc1#
      • 1...Bxc3
        • 2.Sb3+
          • 2...Kc2
            • 3.Se3#
            • 3.Qc1#
      • 1...Sb1
        • 2.Kxb1
          • threat
            • 3.Sb3#
            • 3.Qc1#
        • 2.Sb3+
          • 2...Kc2
            • 3.Qxb1#
            • 3.Qc1#
      • 1...Sc4
        • 2.Sb3+
          • 2...Kc2
            • 3.Qb1#
            • 3.Qc1#
      • 1...Sb5
        • 2.Sb3+
          • 2...Kc2
            • 3.Qb1#
            • 3.Qc1#
      • 1...Qh6!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qc1+
          • 2...Kxc1
            • 3.Sb3#
      • 1...Kxc3
        • 2.Qa1+
          • 2...Kd2
            • 3.Sf1#
      • 1...Kxe3
        • 2.Qe1+
          • 2...Kf4
            • 3.Se6#
      • 1...Sc2
        • 2.Qc1+
          • 2...Kxc1
            • 3.Sb3#
          • 2...Kxc3
            • 3.Sb5#

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).