Problem Display
PID: 40306 (8/r3p1B1/1b3q2/1BN3R1/1p3p1K/pPk2Pp1/P1b3P1/2Q2n1n w - - 0 1)

Krelenbaum, Szaja

12th Comm., BCF 026. Ty., 1937-1938

8/r3p1B1/1b3q2/1BN3R1/1p3p1K/pPk2Pp1/P1b3P1/2Q2n1n

#3

10 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Qd4
      • 2.Se4#
    • 1...Qe5
      • 2.Bxe5#
    • 1...Sd2
      • 2.Qa1#
    • 1...Se3
      • 2.Se4+
        • 2...Kd4
          • 3.Qa1#
    • 1...e6
      • 2.Bxf6+
        • 2...e5
          • 3.Bxe5#
  • Tries
    • 1.Sa4+?
      • 1...Kd4
        • 2.Qxf4+
          • 2...Be4
            • 3.Qxe4#
      • 1...Rxa4!
    • 1.Bxf6+?
      • 1...e5
        • 2.Bxe5#
      • 1...exf6!
    • 1.Qe1+?
      • 1...Kd4
        • 2.Se6#
      • 1...Sd2
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qxc2+?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxc2!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qa1+
          • 2...Kd2
            • 3.Qe1#
      • 1...Kd4
        • 2.Qxf4+
          • 2...Kc3
            • 3.Qxb4#
      • 1...Qe5
        • 2.Rxe5
          • threat
            • 3.Rc5#
          • 2...Kd4
            • 3.Qa1#
          • 2...Bc5
            • 3.Rxc5#
        • 2.Qe1+
          • 2...Kd4
            • 3.Qxe5#
          • 2...Sd2
            • 3.Qa1#
      • 1...Bf2
        • 2.Sxf4
          • threat
            • 3.Se2#
          • 2...Kd4
            • 3.Se2#
          • 2...Qd4
            • 3.Rc5#

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).