Problem Display
PID: 201976 (8/8/8/2K5/4Q1p1/7p/5BNk/7b w - - 0 1)

Traxler, Karel Peter

Narodni Politika, 1923

8/8/8/2K5/4Q1p1/7p/5BNk/7b

#3

4 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...hxg2
      • 2.Qh7#
  • Tries
    • 1.Bg1+?
      • 1...Kg3
        • 2.Qe3+
          • 2...Kxg2
            • 3.Qf2#
        • 2.Qf4+
          • 2...Kxg2
            • 3.Qf2#
      • 1...Kxg1!
    • 1.Bg3+?
      • 1...Kg1
        • 2.Qe1+
          • 2...Kxg2
            • 3.Qf2#
        • 2.Qe3+
          • 2...Kf1
            • 3.Qf2#
          • 2...Kxg2
            • 3.Qf2#
        • 2.Qd4+
          • 2...Kf1
            • 3.Qf2#
          • 2...Kxg2
            • 3.Qf2#
      • 1...Kxg3!
    • 1.Qb1?
      • threat
        • 2.Qg1#
      • 1...hxg2
        • 2.Qh7#
      • 1...Kxg2!
    • 1.Qe1?
      • threat
        • 2.Qg1#
      • 1...hxg2
        • 2.Qe5+
          • 2...Kh3
            • 3.Qg3#
            • 3.Qh8#
            • 3.Qh5#
          • 2...g3
            • 3.Qxg3#
            • 3.Qh8#
            • 3.Qh5#
      • 1...Kxg2!
    • 1.Qf4+?
      • 1...g3
        • 2.Qxg3#
      • 1...Kxg2!
    • 1.Qe5+?
      • 1...g3
        • 2.Qxg3#
      • 1...Kxg2!
  • Keys
    • 1.Bd4!
      • 1...Kg3
        • 2.Qf4+
          • 2...Kxg2
            • 3.Qf2#
      • 1...Bxg2
        • 2.Qe3
          • 2...Kh1
            • 3.Qg1#
          • 2...Bf1
            • 3.Qg1#
          • 2...Bf3
            • 3.Qg1#
          • 2...Be4
            • 3.Qg1#
          • 2...Bd5
            • 3.Qg1#
          • 2...Bc6
            • 3.Qg1#
          • 2...Bb7
            • 3.Qg1#
          • 2...Ba8
            • 3.Qg1#
          • 2...Bh1
            • 3.Qg1#
          • 2...g3
            • 3.Qg1#
      • 1...hxg2
        • 2.Qxg4
          • threat
            • 3.Qh4#
          • 2...g1Q
            • 3.Bxg1#
          • 2...g1S
            • 3.Bxg1#
            • 3.Be5#
          • 2...g1B
            • 3.Bxg1#
          • 2...g1R
            • 3.Bxg1#
      • 1...g3
        • 2.Qe3
          • threat
            • 3.Qg1#
          • 2...Kxg2
            • 3.Qe2#
          • 2...hxg2
            • 3.Qh6#

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).