Problem Display
PID: 98853 (K5B1/4B3/1p4P1/3pk1p1/3ppR1b/1N1p1pP1/1PnQ2bp/2n1N1q1 w - - 0 1)

Stoyanov, Kiril N

Problemas, 1976

K5B1/4B3/1p4P1/3pk1p1/3ppR1b/1N1p1pP1/1PnQ2bp/2n1N1q1

#3

10 + 14


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Rf5+
        • 2...Kxf5
          • 3.Qxg5#
    • 1...gxf4
      • 2.Qxf4#
  • Tries
    • 1.Bd8?
      • threat
        • 2.Bc7#
      • 1...gxf4
        • 2.Qxf4#
      • 1...Kd6!
    • 1.Qb4?
      • threat
        • 2.Bd6#
        • 2.Bf6#
        • 2.Qd6#
      • 1...gxf4
        • 2.Qd6+
          • 2...Kf5
            • 3.Qe6#
      • 1...Sxb4!
    • 1.Qa5?
      • threat
        • 2.Qxd5#
      • 1...Bxg3
        • 2.Qxd5+
          • 2...Kxf4
            • 3.Qxg5#
      • 1...Se3
        • 2.Qxb6
          • threat
            • 3.Bd6#
            • 3.Bf6#
            • 3.Qxd4#
            • 3.Qc7#
            • 3.Qd6#
            • 3.Qe6#
            • 3.Qf6#
            • 3.Qb8#
      • 1...Sb4
        • 2.Qxb6
          • threat
            • 3.Bd6#
            • 3.Bf6#
            • 3.Qc7#
            • 3.Qd6#
            • 3.Qe6#
            • 3.Qf6#
            • 3.Qb8#
      • 1...bxa5!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sc6#
      • 1...bxa5
        • 2.Qxa5
          • threat
            • 3.Qc7#
            • 3.Qxd5#
      • 1...Sb4
        • 2.Sb7
          • threat
            • 3.Bd6#
            • 3.Bf6#
          • 2...gxf4
            • 3.Qxf4#
        • 2.Qxc1
          • threat
            • 3.Qc7#
          • 2...gxf4
            • 3.Qxf4#
          • 2...Sc2
            • 3.Sc6#
          • 2...Sa6
            • 3.Sc6#
          • 2...Sc6
            • 3.Sxc6#

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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).