Problem Display
PID: 217207 (8/3p4/3P4/8/1p6/Np1p4/k2P1RQK/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatnoe obozrenie, 1893

8/3p4/3P4/8/1p6/Np1p4/k2P1RQK/8

#4

6 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qb1+
          • 2...Kxa3
            • 3.Qa1#
      • 1...bxa3
        • 2.Qd1
          • 2...Kb2
            • 3.Rf1
              • threat
                • 4.Qb1#
              • 3...Ka2
                • 4.Qa1#
                • 4.Qb1#
              • 3...a2
                • 4.Qc1#
          • 2...b2
            • 3.Rf1
              • 3...b1Q
                • 4.Qxb1#
              • 3...b1S
                • 4.Qxb1#
              • 3...b1B
                • 4.Qxb1#
              • 3...b1R
                • 4.Qxb1#
      • 1...b2
        • 2.Rf8
          • 2...Kxa3
            • 3.Ra8+
              • 3...Kb3
                • 4.Qxd3#
          • 2...Kb3
            • 3.Qf7+
              • 3...Kxa3
                • 4.Ra8#
              • 3...Ka4
                • 4.Ra8#
          • 2...bxa3
            • 3.Rb8
              • 3...b1Q
                • 4.Qxb1#
              • 3...b1S
                • 4.Qxb1#
              • 3...b1B
                • 4.Qxb1#
              • 3...b1R
                • 4.Qxb1#
          • 2...b1Q
            • 3.Qxb1+
              • 3...Kxa3
                • 4.Ra8#
          • 2...b1S
            • 3.Qxb1+
              • 3...Kxa3
                • 4.Ra8#
          • 2...b1B
            • 3.Qxb1+
              • 3...Kxa3
                • 4.Ra8#
          • 2...b1R
            • 3.Qxb1+
              • 3...Kxa3
                • 4.Ra8#
          • 2...b3
            • 3.Sb1
              • 3...Ka1
                • 4.Ra8#
            • 3.Ra8
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
                • 4.Qb1#
              • 3...b1S
                • 4.Qxb1#

This is a version

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).