Problem Display
PID: 129180 (2Q2n2/6K1/p1b1p1n1/p1k1pp2/p3pp2/b7/8/1R1R4 w - - 0 1)

Richter, Frantisek

2nd Prize, Sachove umeni (Ceskoslovensky sach), 1960

2Q2n2/6K1/p1b1p1n1/p1k1pp2/p3pp2/b7/8/1R1R4

#4

4 + 13


23 Die Schwalbe 1965
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qd6+
          • 2...Kc4
            • 3.Qxa3
              • threat
                • 4.Qc1#
      • 1...Kc4
        • 2.Qxc6+
          • 2...Bc5
            • 3.Qxa4+
              • 3...Kc3
                • 4.Qb3#
              • 3...Bb4
                • 4.Rbc1#
      • 1...Bb2
        • 2.Rxb2
          • threat
            • 3.Qxa5+
              • 3...Kc4
                • 4.Qb4#
              • 3...Bb5
                • 4.Rc2#
            • 3.Qb6+
              • 3...Kc4
                • 4.Rc2#
                • 4.Qxc6#
            • 3.Qd6+
              • 3...Kc4
                • 4.Rc1#
                • 4.Qxc6#
      • 1...Bb4
        • 2.Rbc1+
          • 2...Bc3
            • 3.Qxa5+
              • 3...Kc4
                • 4.Rxc3#
              • 3...Bb5
                • 4.Rxc3#
      • 1...Se7
        • 2.Qxe7+
          • 2...Kc4
            • 3.Qxa3
              • threat
                • 4.Qc1#
      • 1...e3
        • 2.Qd6+
          • 2...Kc4
            • 3.Qd3+
              • 3...Kc5
                • 4.Qc2#
                • 4.Qc3#

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).