Problem Display
PID: 266404 (8/3p4/8/3NPR2/3k1P2/1Q4K1/8/8 w - - 0 1)

Petrasinovic, Petrasin

Schach, 2022

8/3p4/8/3NPR2/3k1P2/1Q4K1/8/8

#3

6 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qc4+
        • 2...Kxf5
          • 3.Se7#
  • Tries
    • 1.Sb4?
      • 1...d6
        • 2.exd6
          • 2...Ke4
            • 3.Qd3#
      • 1...d5
        • 2.Qc2
          • 2...Ke3
            • 3.Qd3#
        • 2.exd5 ep
          • 2...Ke4
            • 3.Qd3#
      • 1...Kc5!
    • 1.Rf6?
      • 1...Kc5
        • 2.Qb4+
          • 2...Kxd5
            • 3.Rd6#
      • 1...d6!
    • 1.Rf8?
      • 1...Kc5
        • 2.Rc8+
          • 2...Kd4
            • 3.Qc4#
      • 1...d6!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Qc4+
          • 2...Kxf5
            • 3.Se7#
      • 1...Kxd5!
    • 1.Qb4+?
      • 1...Kxd5
        • 2.Rf6
          • 2...d6
            • 3.Rxd6#
      • 1...Kd3!
    • 1.Qb5?
      • 1...Ke4
        • 2.Qc4+
          • 2...Kxf5
            • 3.Se7#
      • 1...d6!
  • Keys
    • 1.e6!
      • threat
        • 2.Qc3+
          • 2...Ke4
            • 3.Re5#
      • 1...Ke4
        • 2.Re5+
          • 2...Kd4
            • 3.Qc3#
      • 1...Kc5
        • 2.Qb4+
          • 2...Kc6
            • 3.Qb6#
      • 1...d6
        • 2.Sf6
          • 2...d5
            • 3.Rxd5#

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).