Problem Display
PID: 229914 (3Q4/1p4p1/8/6B1/2pN4/3k1K2/8/6b1 w - - 0 1)

Barsukov, Valery Nikolaevich

Zadachi i Etyudi, 2000

3Q4/1p4p1/8/6B1/2pN4/3k1K2/8/6b1

#4

4 + 5


  • SOUND
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qd2#
      • 1...Kxd4
        • 2.Bf4
          • threat
            • 3.Be5+
              • 3...Kd3
                • 4.Qc3#
          • 2...c3
            • 3.Qb5
              • threat
                • 4.Be5#
              • 3...Bh2
                • 4.Be3#
          • 2...b5
            • 3.Qd2+
              • 3...Kc5
                • 4.Qd6#
          • 2...Bh2
            • 3.Be3+
              • 3...Kd3
                • 4.Qd2#
      • 1...c3
        • 2.Qb5+
          • 2...Kxd4
            • 3.Bf4
              • threat
                • 4.Be5#
              • 3...Bh2
                • 4.Be3#


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).