Problem Display
PID: 55054 (4Kb2/2R1p3/p2kp3/3N2pP/3N2p1/1p3p2/PB2P3/R4b2 w - - 0 1)

Fomichev, Evgeny Vasilevich

Svetilsky, Anatoly Volodimirovich

3rd Prize, Sachove umeni (Ceskoslovensky sach), 2000

4Kb2/2R1p3/p2kp3/3N2pP/3N2p1/1p3p2/PB2P3/R4b2

#4

9 + 10


23 Die Schwalbe 2003
23 Die Schwalbe 2010

SOLUTION


  • SOUND
  • Keys
    • 1.Rd1!
      • threat
        • 2.Sb5+
          • 2...axb5
            • 3.Rd7+
              • 3...Kc5
                • 4.Rc1#
              • 3...Kc6
                • 4.Rc1#
      • 1...Kxd5
        • 2.Sc2+
          • 2...Ke4
            • 3.Rc4+
              • 3...Kf5
                • 4.Se3#
      • 1...Ke5
        • 2.Sc2+
          • 2...Ke4
            • 3.Rc4+
              • 3...Kf5
                • 4.Sce3#
                • 4.Sde3#
                • 4.e4#
          • 2...Kf5
            • 3.Sce3+
              • 3...Ke4
                • 4.Rc4#
          • 2...Kd6
            • 3.Scb4
              • threat
                • 4.Rc6#
      • 1...Bxe2
        • 2.Rd7+
          • 2...Kc5
            • 3.Ba3+
              • 3...Kc4
                • 4.axb3#
          • 2...Ke5
            • 3.Sxe2+
              • 3...Ke4
                • 4.Sg3#
              • 3...Kf5
                • 4.Sg3#
      • 1...exd5
        • 2.Rc6+
          • 2...Ke5
            • 3.Bc1
              • threat
                • 4.Re6#
              • 3...Ke4
                • 4.Re6#
              • 3...e6
                • 4.Rxe6#
      • 1...Bg7
        • 2.Sf5+
          • 2...exf5
            • 3.Ba3+
              • 3...Ke5
                • 4.Rxe7#
              • 3...Ke6
                • 4.Rxe7#

FEATURES


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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).