Problem Display
PID: 213565 (4K3/8/2p5/3p3B/6Pk/1p1pBp1p/p4P1p/r2b1Q1n w - - 0 1)

Palkoska, Emil

2nd Prize, Swiat Szachowy, 1928

4K3/8/2p5/3p3B/6Pk/1p1pBp1p/p4P1p/r2b1Q1n

#3

6 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sxf2
      • 2.Qxf2#
    • 1...Sg3
      • 2.fxg3+
        • 2...Kxg3
          • 3.Qf2#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Kf6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
        • 2.Kg6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...Rb1
        • 2.Kg6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...Rc1
        • 2.Kg6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...Bc2
        • 2.Kf6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...Sg3
        • 2.fxg3+
          • 2...Kxg3
            • 3.Qf2#
      • 1...d2
        • 2.Kf6
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...d4!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qd2
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...Bc2
        • 2.Bc1
          • threat
            • 3.Qe7#
          • 2...Sxf2
            • 3.Qxf2#
      • 1...Be2
        • 2.Qd2
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
      • 1...d2
        • 2.Qxd2
          • threat
            • 3.Bg5#
          • 2...Sxf2
            • 3.Bxf2#
            • 3.Qxf2#
      • 1...d4
        • 2.Qa5
          • threat
            • 3.Bg5#
            • 3.Qd8#
            • 3.Qg5#
          • 2...Sxf2
            • 3.Bxf2#

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).