Problem Display
PID: 257324 (8/8/8/3Q4/8/5K1P/2PPP3/5k2 w - - 0 1)

Hultberg, Gustav Herbert

Springaren, 1990

8/8/8/3Q4/8/5K1P/2PPP3/5k2

#3

6 + 1


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Ke3?
      • threat
        • 2.Qh1#
      • 1...Ke1
        • 2.Qh1#
      • 1...Kg1!
    • 1.Qf7?
      • 1...Kg1
        • 2.Kg3
          • 2...Kh1
            • 3.Qf1#
        • 2.Qg7+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qe5?
      • threat
        • 2.Qa1#
      • 1...Kg1
        • 2.Qg3+
          • 2...Kf1
            • 3.Qf2#
          • 2...Kh1
            • 3.Qg2#
        • 2.Qg7+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qf5?
      • 1...Kg1
        • 2.Kg3
          • 2...Kh1
            • 3.Qf1#
      • 1...Ke1!
    • 1.Qd6?
      • 1...Kg1
        • 2.Qg3+
          • 2...Kf1
            • 3.Qf2#
          • 2...Kh1
            • 3.Qg2#
      • 1...Ke1!
    • 1.Qd7?
      • 1...Kg1
        • 2.Qg7+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#
      • 1...Ke1!
    • 1.d3?
      • threat
        • 2.Qg5
          • 2...Ke1
            • 3.Qc1#
      • 1...Kg1
        • 2.Qg5+
          • 2...Kf1
            • 3.Qc1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#
      • 1...Ke1!
    • 1.d4?
      • threat
        • 2.Qg5
          • 2...Ke1
            • 3.Qc1#
      • 1...Kg1
        • 2.Qg5+
          • 2...Kf1
            • 3.Qc1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#
      • 1...Ke1!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb1#
      • 1...Ke1
        • 2.Ke3
          • threat
            • 3.Qh1#
            • 3.Qb1#
          • 2...Kd1
            • 3.Qb1#
          • 2...Kf1
            • 3.Qh1#
      • 1...Kg1
        • 2.Qg7+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qg2#
          • 2...Kh2
            • 3.Qg2#

FEATURES


NOT CLASSIFIED


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).