Problem Display
PID: 138572 (6K1/1p6/bp6/pp6/1P1Q4/N7/1P5P/kBb5 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatnoe obozrenie, 1902

6K1/1p6/bp6/pp6/1P1Q4/N7/1P5P/kBb5

#4

7 + 7


5007 Zadachi i Etyudi 1928
13255 Hoekstenen 1967

SOLUTION


  • SOUND
  • Keys
    • 1.Kh7!
      • 1...axb4
        • 2.Qxb4
          • threat
            • 3.Qb3
              • threat
                • 4.Qa2#
      • 1...Be3
        • 2.Qc3
          • threat
            • 3.b3#
          • 2...axb4
            • 3.Qb3
              • threat
                • 4.Qa2#
          • 2...Bc1
            • 3.Qxc1
              • threat
                • 4.Sc2#
            • 3.Qb3
              • threat
                • 4.Qa2#
          • 2...Bd2
            • 3.Qb3
              • threat
                • 4.Qa2#
          • 2...Bd4
            • 3.Qxd4
              • threat
                • 4.b3#
            • 3.Qc1
              • threat
                • 4.Sc2#
            • 3.Qb3
              • threat
                • 4.Qa2#
      • 1...a4
        • 2.Qh8
          • 2...Bxb2
            • 3.Qg8
              • threat
                • 4.Qa2#
          • 2...Bd2
            • 3.b3+
              • 3...Bc3
                • 4.Qxc3#
          • 2...Be3
            • 3.b3+
              • 3...Bd4
                • 4.Qxd4#
          • 2...Bf4
            • 3.b3+
              • 3...Be5
                • 4.Qxe5#
          • 2...Bg5
            • 3.b3+
              • 3...Bf6
                • 4.Qxf6#
          • 2...Bh6
            • 3.b3+
              • 3...Bg7
                • 4.Qxg7#

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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).