Problem Display
PID: 226313 (k4n1r/p1K4p/4p3/2p5/N1p4n/NpQ5/5p2/1b5r w - - 0 1)

Seckar, Milos

Praca, 1950

k4n1r/p1K4p/4p3/2p5/N1p4n/NpQ5/5p2/1b5r

#3

4 + 13


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sg2
      • 2.Qf3+
        • 2...Be4
          • 3.Qxe4#
    • 1...Sf3
      • 2.Qxf3+
        • 2...Be4
          • 3.Qxe4#
    • 1...Sf5
      • 2.Qf3+
        • 2...Be4
          • 3.Qxe4#
    • 1...Shg6
      • 2.Qf3+
        • 2...Be4
          • 3.Qxe4#
    • 1...Sd7
      • 2.Qxh8+
        • 2...Sb8
          • 3.Qxb8#
        • 2...Sf8
          • 3.Qxf8#
    • 1...b2
      • 2.Qxb2
        • threat
          • 3.Qb7#
          • 3.Qb8#
    • 1...a5
      • 2.Qxa5#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...Be4
        • 2.Qb8#
      • 1...Sfg6
        • 2.Qb7#
      • 1...Sd7
        • 2.Qb7#
      • 1...cxb4!
    • 1.Qa5?
      • threat
        • 2.Sb6#
      • 1...a6
        • 2.Qxa6#
      • 1...Sd7!
    • 1.Qxb3?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...Be4
        • 2.Qb8#
      • 1...Sfg6
        • 2.Qb7#
      • 1...Sd7
        • 2.Qb7#
      • 1...cxb3!
    • 1.Qf3+?
      • 1...Be4
        • 2.Qxe4#
      • 1...Sxf3!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Sb6+
          • 2...axb6
            • 3.Sxb1#
      • 1...a5
        • 2.Qc3
          • threat
            • 3.Qxa5#
          • 2...Ka7
            • 3.Qxa5#
      • 1...a6
        • 2.Sb6+
          • 2...Ka7
            • 3.Sb5#
      • 1...Ba2
        • 2.Qxh1+
          • 2...Sg2
            • 3.Qxg2#
          • 2...Sf3
            • 3.Qxf3#
      • 1...Bc2
        • 2.Sb6+
          • 2...axb6
            • 3.Sb1#
      • 1...Bd3
        • 2.Sb6+
          • 2...axb6
            • 3.Sb1#
      • 1...Be4
        • 2.Sb6+
          • 2...axb6
            • 3.Sb1#
      • 1...Bf5
        • 2.Sb6+
          • 2...axb6
            • 3.Sb1#
      • 1...Bg6
        • 2.Sb6+
          • 2...axb6
            • 3.Sb1#
      • 1...Sd7
        • 2.Qxh8+
          • 2...Sb8
            • 3.Qxb8#
          • 2...Sf8
            • 3.Qxf8#
      • 1...b2
        • 2.Qxb2
          • threat
            • 3.Qb7#
            • 3.Qb8#

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).