Problem Display
PID: 223797 (8/8/5Q2/8/2r2p2/2p5/4R3/2k2K2 w - - 0 1)

Weissauer, Hermann

Deutsche Schachzeitung, 1976

8/8/5Q2/8/2r2p2/2p5/4R3/2k2K2

#3

3 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kd1
      • 2.Qh4
        • threat
          • 3.Qe1#
        • 2...Kc1
          • 3.Qe1#
    • 1...Ra4
      • 2.Qxc3+
        • 2...Kb1
          • 3.Qe1#
          • 3.Qb2#
        • 2...Kd1
          • 3.Re1#
          • 3.Rd2#
          • 3.Qe1#
          • 3.Qd2#
          • 3.Qc2#
    • 1...Rb4
      • 2.Qxc3+
        • 2...Kb1
          • 3.Qe1#
        • 2...Kd1
          • 3.Re1#
          • 3.Rd2#
          • 3.Qe1#
          • 3.Qd2#
          • 3.Qc2#
    • 1...Re4
      • 2.Qxc3+
        • 2...Kb1
          • 3.Qe1#
          • 3.Qb2#
        • 2...Kd1
          • 3.Rd2#
          • 3.Qa1#
          • 3.Qe1#
          • 3.Qd2#
          • 3.Qc2#
    • 1...c2
      • 2.Qa1#
  • Tries
    • 1.Qxc3+?
      • 1...Kb1
        • 2.Qb2#
      • 1...Kd1
        • 2.Re1#
        • 2.Rd2#
        • 2.Qe1#
        • 2.Qd2#
      • 1...Rxc3!
    • 1.Qf5?
      • threat
        • 2.Qc2#
      • 1...Re4
        • 2.Qxe4
          • threat
            • 3.Qc2#
          • 2...Kd1
            • 3.Qb1#
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
      • 1...c2!
    • 1.Qg6?
      • threat
        • 2.Qc2#
      • 1...Re4
        • 2.Qxe4
          • threat
            • 3.Qc2#
          • 2...Kd1
            • 3.Qb1#
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
      • 1...c2!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qa1#
      • 1...Kb1
        • 2.Qa2+
          • 2...Kc1
            • 3.Re1#
            • 3.Qa1#
            • 3.Qc2#
      • 1...Ra4
        • 2.Qxa4
          • threat
            • 3.Qc2#
            • 3.Qa1#
          • 2...Kb1
            • 3.Qd1#
      • 1...Rb4
        • 2.Qd3
          • threat
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
          • 2...Rb2
            • 3.Re1#

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).