Problem Display
PID: 274404 (K7/8/8/6p1/3kp3/1P1p4/8/1N3R1Q w - - 0 1)

Petrasinovic, Petrasin

Sinfonie Scacchistiche, 2024

K7/8/8/6p1/3kp3/1P1p4/8/1N3R1Q

#3

5 + 4


3713 Snap 2024

SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qg1+
        • 2...Ke2
          • 3.Qf2#
  • Tries
    • 1.Rf5?
      • threat
        • 2.Qc1
          • threat
            • 3.Qc5#
          • 2...d2
            • 3.Qxd2#
            • 3.Qc3#
          • 2...e3
            • 3.Qc4#
        • 2.Qg1+
          • 2...e3
            • 3.Qg4#
      • 1...Ke3
        • 2.Qc1+
          • 2...Ke2
            • 3.Sc3#
            • 3.Qd2#
          • 2...Kd4
            • 3.Qc5#
          • 2...d2
            • 3.Qxd2#
      • 1...g4
        • 2.Qc1
          • threat
            • 3.Qc5#
          • 2...d2
            • 3.Qxd2#
            • 3.Qc3#
          • 2...e3
            • 3.Qc4#
        • 2.Qg1+
          • 2...e3
            • 3.Qxg4#
        • 2.Qh6
          • threat
            • 3.Qb6#
          • 2...d2
            • 3.Qxd2#
          • 2...e3
            • 3.Qf4#
      • 1...d2!
  • Keys
    • 1.Qh6!
      • 1...Ke3
        • 2.Qb6+
          • 2...Ke2
            • 3.Qf2#
      • 1...Kc5
        • 2.Rf5+
          • 2...Kb4
            • 3.Qb6#
          • 2...Kd4
            • 3.Qb6#
      • 1...Kd5
        • 2.Rf5+
          • 2...Kd4
            • 3.Qb6#
      • 1...Ke5
        • 2.Qf6+
          • 2...Kd5
            • 3.Rf5#
      • 1...d2
        • 2.Qd6+
          • 2...Ke3
            • 3.Qxd2#
      • 1...e3
        • 2.Qd6+
          • 2...Ke4
            • 3.Sc3#
      • 1...g4
        • 2.Rf5
          • threat
            • 3.Qb6#
          • 2...d2
            • 3.Qxd2#
          • 2...e3
            • 3.Qf4#

Anticipated by 274311(2023)

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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).