Problem Display
PID: 40692 (K1R3bB/P4p2/1p1p1Q2/3kb1N1/3qrR2/4P3/2P1r3/1N6 w - - 0 1)

Yarmonov, Igor Petrovich

1st Prize, Die Schwalbe, 1997

K1R3bB/P4p2/1p1p1Q2/3kb1N1/3qrR2/4P3/2P1r3/1N6

#4

10 + 9


56 The Problemist 2001

SOLUTION


  • SOUND
  • Keys
    • 1.Kb8!
      • threat
        • 2.a8Q#
        • 2.a8B#
      • 1...Qc5
        • 2.a8Q+
          • 2...Kc4
            • 3.Qa4+
              • 3...Kd5
                • 4.Qxe4#
      • 1...Qa1
        • 2.Sc3+
          • 2...Qxc3
            • 3.a8Q+
              • 3...Qc6
                • 4.Qxc6#
          • 2...Bxc3
            • 3.Qd4+
              • 3...Rxd4
                • 4.Rf5#
              • 3...Bxd4
                • 4.c4#
      • 1...Qa4
        • 2.c4+
          • 2...Qxc4
            • 3.a8Q+
              • 3...Qc6
                • 4.Qxc6#
          • 2...Rxc4
            • 3.Rd4+
              • 3...Rxd4
                • 4.Sc3#
              • 3...Bxd4
                • 4.Qf3#

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).