Problem Display
PID: 210817 (8/8/6p1/1N2P3/2kN4/4Q1b1/1P6/6K1 w - - 0 1)

Seeberger, Johannes

La Nouvelle Regence, 1861

8/8/6p1/1N2P3/2kN4/4Q1b1/1P6/6K1

#4

6 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.b4!
      • threat
        • 2.Qb3#
      • 1...Bf2+
        • 2.Kxf2
          • threat
            • 3.Qb3#
          • 2...Kxb4
            • 3.Qc3+
              • 3...Ka4
                • 4.Qa3#
          • 2...Kd5
            • 3.Sd6
              • 3...g5
                • 4.Qe4#
      • 1...Bh2+
        • 2.Kxh2
          • threat
            • 3.Qb3#
          • 2...Kxb4
            • 3.Qc3+
              • 3...Ka4
                • 4.Qa3#
          • 2...Kd5
            • 3.Sd6
              • 3...g5
                • 4.Qe4#
      • 1...Kd5
        • 2.Sd6
          • threat
            • 3.Qe4#
          • 2...Bf2+
            • 3.Kxf2
              • 3...g5
                • 4.Qe4#
          • 2...Bh2+
            • 3.Kxh2
              • 3...g5
                • 4.Qe4#
          • 2...Bxe5
            • 3.Qg5
              • 3...Kxd4
                • 4.Qd2#
              • 3...Kxd6
                • 4.Qd8#

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).