Problem Display
PID: 188269 (8/8/Q2ppp2/4k3/8/4K3/8/8 w - - 0 1)

Jato, G

Deutsche Schachblatter, 1910

8/8/Q2ppp2/4k3/8/4K3/8/8

#3

2 + 4


6490 yacpdb 2019
3713 Snap 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qb5#
  • Tries
    • 1.Qf1?
      • 1...Kd5
        • 2.Qb5#
      • 1...d5
        • 2.Qf4#
      • 1...f5!
    • 1.Qd3?
      • threat
        • 2.Qe4#
      • 1...f5
        • 2.Qd4#
      • 1...d5!
    • 1.Qc4?
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#
      • 1...Kf5!
    • 1.Qa2?
      • 1...d5
        • 2.Qh2+
          • 2...Kf5
            • 3.Qh5#
      • 1...f5
        • 2.Qb2+
          • 2...Kd5
            • 3.Qb5#
      • 1...Kf5!
    • 1.Qa4?
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qb5#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#
      • 1...Kf5!
  • Keys
    • 1.Qe2!
      • 1...d5
        • 2.Qh2+
          • 2...Kf5
            • 3.Qh5#
      • 1...f5
        • 2.Qb2+
          • 2...Kd5
            • 3.Qb5#

Anticipated by 226500(1881)

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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).