Problem Display
PID: 26375 (3Q4/7b/2p1B3/BnN1k3/3Rp3/q4p2/1p5K/6n1 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Lobusov, Andrey Jakovlevic

1/2 Prize, Vecherni Sverdlovsk, 1973

3Q4/7b/2p1B3/BnN1k3/3Rp3/q4p2/1p5K/6n1

#3

6 + 9


3753 FIDE Album (1971-1973) 1978
2988 Izbrannie Kompozitsi 1985
273 Mat Plus 1994
3485 Sachova skladba 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bd2+
        • 2...Ke5
          • 3.Qh8#
        • 2...Qe3
          • 3.Sd3#
    • 1...Qa1
      • 2.Qh8+
        • 2...Kf4
          • 3.Bd2#
    • 1...Qa2
      • 2.Qh8+
        • 2...Kf4
          • 3.Bd2#
    • 1...Qa4
      • 2.Qh8+
        • 2...Kf4
          • 3.Bd2#
    • 1...Bg8
      • 2.Rxe4#
    • 1...Sc3
      • 2.Bc7#
    • 1...Sxd4
      • 2.Bc7#
    • 1...Sa7
      • 2.Bc7#
    • 1...Sc7
      • 2.Bxc7#
    • 1...e3
      • 2.Qh8#
  • Tries
    • 1.Sd7+?
      • 1...Kf4
        • 2.Bd2+
          • 2...Qe3
            • 3.Qh4#
      • 1...Kxd4!
    • 1.Bh3?
      • threat
        • 2.Bc7+
          • 2...Sd6
            • 3.Qxd6#
          • 2...Sxc7
            • 3.Qd6#
      • 1...Kf4
        • 2.Bd2+
          • 2...Ke5
            • 3.Qh8#
          • 2...Qe3
            • 3.Sd3#
      • 1...Qxc5
        • 2.Qh8+
          • 2...Kf4
            • 3.Bd2#
      • 1...Qxa5
        • 2.Sd3+
          • 2...exd3
            • 3.Qh8#
      • 1...Sxh3!
    • 1.Rd5+?
      • 1...Kf4
        • 2.Qg5#
      • 1...cxd5!
    • 1.Qg5+?
      • 1...Bf5
        • 2.Rxe4+
          • 2...Kd6
            • 3.Sb7#
      • 1...Kxd4!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Bc7+
          • 2...Sd6
            • 3.Qxd6#
          • 2...Sxc7
            • 3.Qd6#
      • 1...Kf4
        • 2.Bd2+
          • 2...Ke5
            • 3.Qh8#
          • 2...Qe3
            • 3.Sd3#
      • 1...Qxc5
        • 2.Qh8+
          • 2...Kf4
            • 3.Bd2#
      • 1...Qxa5
        • 2.Sd3+
          • 2...exd3
            • 3.Qh8#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).