Problem Display
PID: 30372 (4K3/7p/Rp2k3/3pBp2/5P2/7r/4B3/1r2b3 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1935

4K3/7p/Rp2k3/3pBp2/5P2/7r/4B3/1r2b3

#3

5 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rxb6#
    • 1...Rc1
      • 2.Rxb6+
        • 2...Rc6
          • 3.Rxc6#
    • 1...Rd1
      • 2.Rxb6#
    • 1...Rb5
      • 2.Bxb5
        • threat
          • 3.Bd7#
          • 3.Rxb6#
        • 2...d4
          • 3.Bc4#
    • 1...Ra3
      • 2.Bh5
        • threat
          • 3.Bf7#
    • 1...Rb3
      • 2.Bh5
        • threat
          • 3.Bf7#
    • 1...Rd3
      • 2.Bh5
        • threat
          • 3.Bf7#
    • 1...Rh5
      • 2.Bxh5
        • threat
          • 3.Bf7#
    • 1...Bb4
      • 2.Bb5
        • threat
          • 3.Bd7#
        • 2...d4
          • 3.Bc4#
      • 2.Rxb6+
        • 2...Bd6
          • 3.Rxd6#
    • 1...Bh4
      • 2.Bh5
        • threat
          • 3.Bf7#
    • 1...d4
      • 2.Bc4#
  • Tries
    • 1.Bb5?
      • threat
        • 2.Bd7#
        • 2.Rxb6#
      • 1...d4
        • 2.Bc4#
      • 1...Rc1
        • 2.Bd7#
      • 1...Rc3
        • 2.Bd7#
      • 1...Bf2
        • 2.Bd7#
      • 1...Bb4
        • 2.Bd7#
      • 1...Ba5
        • 2.Bd7#
      • 1...Rxb5!
  • Keys
    • 1.Ra7!
      • threat
        • 2.Re7#
      • 1...Bb4
        • 2.Bb5
          • threat
            • 3.Bd7#
          • 2...d4
            • 3.Bc4#
      • 1...Bh4
        • 2.Bh5
          • threat
            • 3.Bf7#
        • 2.Rd7
          • threat
            • 3.Rd6#
          • 2...Be7
            • 3.Rxe7#

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).