Problem Display
PID: 265835 (8/b4Q2/p7/4PB2/1npP1B2/2p5/Pp2P3/3k1K2 w - - 0 1)

Labai, Zoltan

StrateGems, 2022

8/b4Q2/p7/4PB2/1npP1B2/2p5/Pp2P3/3k1K2

#3

8 + 7


SOLUTION


  • SOUND
  • Tries
    • 1.Qxc4?
      • threat
        • 2.Qxc3
          • threat
            • 3.Qe1#
            • 3.Qd2#
      • 1...Bxd4
        • 2.Qxd4+
          • 2...Sd3
            • 3.Qxd3#
      • 1...b1Q
        • 2.Qxc3
          • threat
            • 3.Qe1#
            • 3.Qd2#
          • 2...Qd3
            • 3.Qc1#
      • 1...b1B
        • 2.Qxc3
          • threat
            • 3.Qe1#
            • 3.Qd2#
            • 3.Qc1#
      • 1...c2
        • 2.Bxc2+
          • 2...Sxc2
            • 3.Qd3#
        • 2.Qc3
          • threat
            • 3.Qe1#
            • 3.Qd2#
        • 2.Qxb4
          • threat
            • 3.Qe1#
            • 3.Qd2#
      • 1...b1S!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Bb1
          • threat
            • 3.e4#
      • 1...Bxd4
        • 2.e3+
          • 2...Kc1
            • 3.exd4#
          • 2...Kd2
            • 3.exd4#
      • 1...Sxa2
        • 2.Qh4
          • threat
            • 3.Qe1#
      • 1...Sd3
        • 2.exd3+
          • 2...Kc2
            • 3.dxc4#
      • 1...b1Q
        • 2.Bxb1
          • threat
            • 3.e4#
      • 1...b1S
        • 2.Bxb1
          • threat
            • 3.e4#
      • 1...b1B
        • 2.Bxb1
          • threat
            • 3.e4#
        • 2.e4+
          • 2...Kc2
            • 3.Qe2#
      • 1...b1R
        • 2.Bxb1
          • threat
            • 3.e4#
      • 1...Sd5
        • 2.e4+
          • 2...Kc2
            • 3.exd5#
      • 1...Sc6
        • 2.Qh4
          • threat
            • 3.Qe1#

This is after

After BC Alfred Lucas.

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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).