Problem Display
PID: 140294 (8/3p4/1p1P4/1P2pp2/1pp4R/1k3P2/2p5/Q1K5 w - - 0 1)

Valtsinsh, Eduards Frizis

Shakhmaty v SSSR, 1949

8/3p4/1p1P4/1P2pp2/1pp4R/1k3P2/2p5/Q1K5

#4

6 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Re4!
      • 1...fxe4
        • 2.fxe4
          • 2...c3
            • 3.Qa8
              • 3...Kc4
                • 4.Qd5#
      • 1...c3
        • 2.Qa8
          • 2...fxe4
            • 3.fxe4
              • 3...Kc4
                • 4.Qd5#
          • 2...f4
            • 3.Rxe5
              • 3...Kc4
                • 4.Qd5#
      • 1...f4
        • 2.Rxe5
          • 2...c3
            • 3.Qa8
              • 3...Kc4
                • 4.Qd5#
        • 2.Qa8
          • 2...Kc3
            • 3.Qa4
              • threat
                • 4.Qxc2#
              • 3...Kd3
                • 4.Qxc2#
              • 3...b3
                • 4.Qxc4#
          • 2...c3
            • 3.Rxe5
              • 3...Kc4
                • 4.Qd5#

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).