Problem Display
PID: 255940 (8/5p2/5B2/Q7/pK6/P7/2pP2P1/2k5 w - - 0 1)

Barsukov, Valery Nikolaevich

Zadachi i Etyudi, 2007

8/5p2/5B2/Q7/pK6/P7/2pP2P1/2k5

#3

6 + 4


  • SOUND
  • Tries
    • 1.Kc3?
      • threat
        • 2.Qb5
          • 2...Kd1
            • 3.Qf1#
      • 1...Kb1
        • 2.Qb6+
          • 2...Ka1
            • 3.Qb2#
          • 2...Kc1
            • 3.Qg1#
          • 2...Ka2
            • 3.Qb2#
        • 2.Qb5+
          • 2...Ka1
            • 3.Qb2#
          • 2...Kc1
            • 3.Qf1#
          • 2...Ka2
            • 3.Qb2#
      • 1...Kd1!
    • 1.Qb5?
      • threat
        • 2.Kc3
          • 2...Kd1
            • 3.Qf1#
        • 2.Qf1+
          • 2...Kxd2
            • 3.Bg5#
      • 1...Kb1
        • 2.Kc3+
          • 2...Ka1
            • 3.Qb2#
          • 2...Kc1
            • 3.Qf1#
          • 2...Ka2
            • 3.Qb2#
      • 1...Kd1
        • 2.Qf1+
          • 2...Kxd2
            • 3.Bg5#
      • 1...Kxd2!
    • 1.Qd5?
      • 1...Kb1
        • 2.Qe4
          • 2...Kc1
            • 3.Qe1#
          • 2...Ka2
            • 3.Qxc2#
      • 1...Kd1!
    • 1.Qh5?
      • 1...Kxd2
        • 2.Bc3+
          • 2...Kc1
            • 3.Qh1#
          • 2...Kd3
            • 3.Qf3#
          • 2...Ke3
            • 3.Qf3#
      • 1...Kb1!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf1+
          • 2...Kxd2
            • 3.Bg5#
      • 1...Kb1
        • 2.Qe4
          • 2...Kc1
            • 3.Qe1#
          • 2...Ka2
            • 3.Qxc2#
      • 1...Kd1
        • 2.Qf1+
          • 2...Kxd2
            • 3.Bg5#
      • 1...Kxd2
        • 2.Bc3+
          • 2...Kc1
            • 3.Qf1#
          • 2...Kd1
            • 3.Qf1#
          • 2...Ke2
            • 3.Qf3#
          • 2...Ke3
            • 3.Qf3#


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).