Problem Display
PID: 34168 (3k2K1/1Q2p1P1/4P2p/7B/8/1p6/1p1r2N1/b1r5 w - - 0 1)

Archakov, Vladimir Mikhailovich

1st Prize, Sputnik, 1973

3k2K1/1Q2p1P1/4P2p/7B/8/1p6/1p1r2N1/b1r5

#5

6 + 8


3753 FIDE Album (1971-1973) 1978
3364 Solving in Style 1985

SOLUTION


  • SOUND
  • Keys
    • 1.Kf7!
      • threat
        • 2.g8Q#
        • 2.g8R#
      • 1...Rf1+
        • 2.Bf3
          • threat
            • 3.Qb8#
            • 3.g8Q#
            • 3.g8R#
          • 2...Rxf3+
            • 3.Kg8
              • threat
                • 4.Qb8#
              • 3...Ke8
                • 4.Qb5+
                  • 4...Kd8
                    • 5.Qb8#
                  • 4...Rd7
                    • 5.Qxd7#
              • 3...Rc3
                • 4.Kh8
                  • threat
                    • 5.g8Q#
                    • 5.g8R#
                  • 4...Ke8
                    • 5.g8Q#
                    • 5.g8R#
                  • 4...Rxg2
                    • 5.Qd7#
                  • 4...Rf2
                    • 5.Qd7#
                  • 4...Rf3
                    • 5.Qb8#
                  • 4...Rg3
                    • 5.Qb8#
      • 1...Rf2+
        • 2.Sf4
          • threat
            • 3.Qd7#
            • 3.g8Q#
            • 3.g8R#
          • 2...Rxf4+
            • 3.Kg8
              • threat
                • 4.Qd7#
              • 3...Rc7
                • 4.Qd5+
                  • 4...Kc8
                    • 5.Qa8#
                  • 4...Rd7
                    • 5.Qxd7#
              • 3...Rd4
                • 4.Kh8
                  • threat
                    • 5.g8Q#
                    • 5.g8R#
                  • 4...Rf1
                    • 5.Qb8#
                  • 4...Rg1
                    • 5.Qb8#
                  • 4...Rf4
                    • 5.Qd7#
                  • 4...Rg4
                    • 5.Qd7#

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).