Problem Display
PID: 106571 (3n2rn/1rp1p3/bp4p1/p7/4QpN1/Kp2N3/4p3/4k3 w - - 0 1)

Vasta, Jan

Praca, 1949

3n2rn/1rp1p3/bp4p1/p7/4QpN1/Kp2N3/4p3/4k3

#3

4 + 14


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sxc4
        • threat
          • 3.Qb1#
          • 3.Qh1#
        • 2...Kd1
          • 3.Qb1#
        • 2...Kf1
          • 3.Qh1#
    • 1...f3
      • 2.Qd4
        • threat
          • 3.Qc3#
    • 1...a4
      • 2.Qb4#
  • Tries
    • 1.Sf1?
      • threat
        • 2.Qb1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kxf1
        • 2.Qh1#
      • 1...Bd3!
    • 1.Sc4?
      • threat
        • 2.Qb1#
        • 2.Qh1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1
        • 2.Qh1#
      • 1...f3
        • 2.Qb1#
      • 1...Bxc4!
    • 1.Qc2?
      • threat
        • 2.Qc1#
        • 2.Qc3#
      • 1...fxe3
        • 2.Qc1#
      • 1...b2
        • 2.Qc3#
      • 1...bxc2!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Kc3
          • threat
            • 3.Qb1#
            • 3.Qh1#
      • 1...Kd2
        • 2.Qd4+
          • 2...Ke1
            • 3.Qc3#
          • 2...Bd3
            • 3.Qc3#
      • 1...fxe3
        • 2.Kc3
          • threat
            • 3.Qb1#
            • 3.Qh1#
          • 2...Kd1
            • 3.Qb1#
          • 2...Kf1
            • 3.Qh1#
        • 2.Qxe3
          • threat
            • 3.Qc1#
          • 2...Kd1
            • 3.Qc1#
          • 2...Kf1
            • 3.Qf2#
      • 1...Bd3
        • 2.Qh1+
          • 2...Kd2
            • 3.Qc1#
      • 1...f3
        • 2.Qd4
          • threat
            • 3.Qc3#
        • 2.Qe5
          • threat
            • 3.Qc3#
          • 2...Kd2
            • 3.Qc3#
      • 1...b5
        • 2.Sf1
          • threat
            • 3.Qb1#
          • 2...Kd1
            • 3.Qb1#
          • 2...Kxf1
            • 3.Qh1#

FEATURES


NOT CLASSIFIED


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).