Problem Display
PID: 269616 (1b6/8/3P2B1/2P5/p4k1N/5p2/2K5/6Q1 w - - 0 1)

Petrasinovic, Petrasin

Euximus Pontus Romania, 2011

1b6/8/3P2B1/2P5/p4k1N/5p2/2K5/6Q1

#4

6 + 4


5454 Near Snap 2023

SOLUTION


  • SOUND
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qd4+
          • 2...Kg5
            • 3.Bh7
              • threat
                • 4.Qh4#
              • 3...Kh5
                • 4.Qh4#
      • 1...Ke5
        • 2.Qd4+
          • 2...Ke6
            • 3.c6
              • threat
                • 4.Sg7#
              • 3...Bxd6
                • 4.Qxd6#
      • 1...Bxd6
        • 2.Kd3
          • threat
            • 3.Qg3#
          • 2...Ke5
            • 3.Qd4+
              • 3...Ke6
                • 4.Qxd6#
      • 1...f2
        • 2.Qg3+
          • 2...Ke4
            • 3.Se7+
              • 3...Kd4
                • 4.Qc3#

Anticipated by 41006(2002)

FEATURES


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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).