Problem Display
PID: 132288 (3R2N1/8/1p4K1/bp2PP2/r1k5/p1pNp3/PpP5/3BB3 w - - 0 1)

Stepochkin, Anatoly Viktorovich

1/2 Place, Moscow Open Ty., 2006

3R2N1/8/1p4K1/bp2PP2/r1k5/p1pNp3/PpP5/3BB3

#4

10 + 9


145 StrateGems 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Be2!
      • threat
        • 2.Sb4+
          • 2...Kxb4
            • 3.Rd5
              • threat
                • 4.Rxb5#
          • 2...Kc5
            • 3.Rd5+
              • 3...Kxb4
                • 4.Rxb5#
      • 1...b4
        • 2.Sxb4+
          • 2...Kxb4
            • 3.Rd5
              • threat
                • 4.Rb5#
              • 3...b5
                • 4.Rxb5#
          • 2...Kc5
            • 3.Rd5+
              • 3...Kxb4
                • 4.Rb5#
      • 1...b1S
        • 2.Sb4+
          • 2...Kxb4
            • 3.Rd5
              • 3...Sd2
                • 4.Rxb5#
          • 2...Kc5
            • 3.Rd5+
              • 3...Kxb4
                • 4.Rxb5#
      • 1...b1B
        • 2.Sb4+
          • 2...Kxb4
            • 3.Rd5
              • threat
                • 4.Rxb5#
            • 3.Rc8
              • threat
                • 4.Bxc3#
          • 2...Kc5
            • 3.Rd5+
              • 3...Kxb4
                • 4.Rxb5#
      • 1...Rb4
        • 2.Rc8+
          • 2...Kd4
            • 3.Bxc3+
              • 3...Ke4
                • 4.Sf6#
              • 3...Kd5
                • 4.Sf6#
          • 2...Kd5
            • 3.Sf6+
              • 3...Kd4
                • 4.Bxc3#
      • 1...Bb4
        • 2.Sf4+
          • 2...Kc5
            • 3.Se6+
              • 3...Kc6
                • 4.Bf3#

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).