Problem Display
PID: 26419 (4qr1n/1pR5/pPbpp1p1/3R1p2/2k5/2p3pB/P1N3QP/2b1N2K w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

1/2 Prize, Gavrilov MT, 1984

4qr1n/1pR5/pPbpp1p1/3R1p2/2k5/2p3pB/P1N3QP/2b1N2K

#3

10 + 14


2988 Izbrannie Kompozitsi 1985
56 The Problemist 2012
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...f4
      • 2.Qe4#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Be2#
      • 1...fxg4
        • 2.Qe4#
      • 1...exd5!
    • 1.Qf3?
      • threat
        • 2.Bf1#
        • 2.Qd3#
      • 1...g2+
        • 2.Bxg2
          • threat
            • 3.Bf1#
            • 3.Qe2#
            • 3.Qf1#
            • 3.Qd3#
          • 2...exd5
            • 3.Qxd5#
      • 1...exd5!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Bg4
          • threat
            • 3.Be2#
          • 2...fxg4
            • 3.Qe4#
      • 1...Be3
        • 2.Qd5+
          • 2...exd5
            • 3.Bf1#
      • 1...Sf7
        • 2.Qe4+
          • 2...fxe4
            • 3.Bf1#
      • 1...g5
        • 2.Bxf5
          • threat
            • 3.Bd3#
            • 3.Qe4#
          • 2...exf5
            • 3.Qd5#

Anticipated by 260002(1970)

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).