Problem Display
PID: 30273 (6k1/7p/4P2b/5K2/3Q4/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

The Problemist, 1989

6k1/7p/4P2b/5K2/3Q4/8/8/8

#3

3 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qxh6
          • 2...Kh8
            • 3.Qf8#
      • 1...Bc1
        • 2.Qf7+
          • 2...Kh8
            • 3.Qf8#
      • 1...Bd2
        • 2.Qf7+
          • 2...Kh8
            • 3.Qf8#
      • 1...Be3
        • 2.Qf7+
          • 2...Kh8
            • 3.Qf8#
      • 1...Bf4
        • 2.Qf7+
          • 2...Kh8
            • 3.Qf8#
      • 1...Bg5
        • 2.Qf7+
          • 2...Kh8
            • 3.Qf8#
      • 1...Bf8
        • 2.Qf7+
          • 2...Kh8
            • 3.Qxf8#
      • 1...Bg7!
  • Keys
    • 1.e7!
      • threat
        • 2.e8Q+
          • 2...Bf8
            • 3.Qe6#
      • 1...Kf7
        • 2.Qd8
          • 2...Kg7
            • 3.Qf8#
          • 2...Bf8
            • 3.Qxf8#
            • 3.exf8Q#
          • 2...Bc1
            • 3.Qf8#
          • 2...Bd2
            • 3.Qf8#
          • 2...Be3
            • 3.Qf8#
          • 2...Bf4
            • 3.Qf8#
          • 2...Bg5
            • 3.Qf8#
          • 2...Bg7
            • 3.e8Q#
      • 1...Bg7
        • 2.Qd8+
          • 2...Kf7
            • 3.e8Q#
          • 2...Bf8
            • 3.Qxf8#
            • 3.exf8Q#
        • 2.e8Q+
          • 2...Bf8
            • 3.Qe6#
      • 1...Bf8
        • 2.Qh8+
          • 2...Kf7
            • 3.Qxf8#
            • 3.exf8Q#
          • 2...Kxh8
            • 3.exf8Q#

This is after

After A. Grin.

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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).