Problem Display
PID: 201211 (B1n2b2/6p1/8/2P2P2/P1pk2K1/6Bn/7Q/8 w - - 0 1)

Grossl, Frantisek

Ceskoslovenska republika, 1922

B1n2b2/6p1/8/2P2P2/P1pk2K1/6Bn/7Q/8

#3

7 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qd2#
    • 1...Sg1
      • 2.Qd2+
        • 2...Kxc5
          • 3.Bf2#
    • 1...Sg5
      • 2.Qd2+
        • 2...Kxc5
          • 3.Bf2#
    • 1...Se7
      • 2.Qd2+
        • 2...Kxc5
          • 3.Qd6#
  • Keys
    • 1.Be1!
      • threat
        • 2.Qe5+
          • 2...Kd3
            • 3.Qe4#
          • 2...Kxe5
            • 3.Bc3#
      • 1...Sf2+
        • 2.Qxf2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke5
            • 3.Bc3#
      • 1...Kxc5
        • 2.Qe5+
          • 2...Kb6
            • 3.Qa5#
      • 1...Bxc5
        • 2.Qb2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke3
            • 3.Qd2#
          • 2...c3
            • 3.Qxc3#
      • 1...Sf4
        • 2.Qf2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke5
            • 3.Bc3#
      • 1...c3
        • 2.Qe5+
          • 2...Kd3
            • 3.Qe4#
          • 2...Kc4
            • 3.Qxc3#
          • 2...Kxe5
            • 3.Bxc3#
      • 1...Bd6
        • 2.Qd2+
          • 2...Kxc5
            • 3.Qe3#
          • 2...Ke5
            • 3.Qc3#
      • 1...Sg5
        • 2.Qd2+
          • 2...Kxc5
            • 3.Bf2#
          • 2...Ke5
            • 3.Qc3#
        • 2.Qf2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke5
            • 3.Bc3#
      • 1...Sd6
        • 2.Qd2+
          • 2...Kxc5
            • 3.Qe3#
          • 2...Ke5
            • 3.Qc3#

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).