Problem Display
PID: 256415 (8/8/6Q1/K2B2B1/3p4/1pk5/8/8 w - - 0 1)

Astafyeva, Aliona

3rd Comm., Source?, 2021

8/8/6Q1/K2B2B1/3p4/1pk5/8/8

#3

4 + 3


1232 Kudesnik 2021
  • SOUND
  • Sets
    • 1...b2
      • 2.Qc6+
        • 2...Kd3
          • 3.Qc4#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Qg2
          • threat
            • 3.Qd2#
          • 2...Kd3
            • 3.Qd2#
          • 2...d3
            • 3.Bb2#
            • 3.Qb2#
        • 2.Qc6+
          • 2...Kd3
            • 3.Qc4#
      • 1...b2
        • 2.Qc6+
          • 2...Kd3
            • 3.Qc4#
      • 1...d3!
    • 1.Qb1?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qd1
          • threat
            • 3.Qb3#
            • 3.Qd2#
          • 2...d3
            • 3.Bf6#
      • 1...d3!
    • 1.Qd3+?
      • 1...Kb2
        • 2.Qxb3+
          • 2...Ka1
            • 3.Qa2#
      • 1...Kxd3!
    • 1.Qf5?
      • threat
        • 2.Qf2
          • threat
            • 3.Qd2#
          • 2...Kd3
            • 3.Qd2#
          • 2...d3
            • 3.Bf6#
      • 1...d3
        • 2.Qf2
          • threat
            • 3.Bf6#
          • 2...d2
            • 3.Qxd2#
      • 1...b2
        • 2.Qc8+
          • 2...Kd3
            • 3.Qc4#
      • 1...Kb2!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kb2!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qxb3#
      • 1...Kb2
        • 2.Qxb3+
          • 2...Ka1
            • 3.Qa2#
      • 1...Kd3
        • 2.Qb5+
          • 2...Kc2
            • 3.Qxb3#
          • 2...Kc3
            • 3.Qxb3#
      • 1...d3
        • 2.Qf2
          • threat
            • 3.Bf6#
          • 2...d2
            • 3.Qxd2#


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).