Problem Display
PID: 158266 (1n2b3/1pB1P1K1/p1pPp2p/n2Nk1P1/4P1R1/b2R1pP1/1Pr1PN2/8 w - - 0 1)

Grinblat, Arieh

Best Problems, 2009

1n2b3/1pB1P1K1/p1pPp2p/n2Nk1P1/4P1R1/b2R1pP1/1Pr1PN2/8

#3

13 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Rc5
      • 2.d7#
    • 1...Bxb2
      • 2.d7#
    • 1...c5
      • 2.d7#
    • 1...hxg5
      • 2.Rxg5#
  • Tries
    • 1.Se3?
      • threat
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bb4
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bc5
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bd7
        • 2.gxh6
          • threat
            • 3.Rg5#
      • 1...Sc4
        • 2.exf3
          • threat
            • 3.f4#
          • 2...Rxf2
            • 3.Sxc4#
          • 2...hxg5
            • 3.Rxg5#
      • 1...Sd7!
    • 1.Sb4?
      • threat
        • 2.d7#
      • 1...Bxb4
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bd7
        • 2.gxh6
          • threat
            • 3.Rg5#
      • 1...Sc4
        • 2.d7+
          • 2...Sd6
            • 3.Bxd6#
      • 1...Sd7!
    • 1.Sf4?
      • threat
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxg6#
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Rxe2
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Sd7
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxg6#
      • 1...Rd2
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Rc3
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bb4
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxg6#
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bc5
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bh5
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bxg4
            • 3.Sg6#
          • 2...Bg6
            • 3.Sxg6#
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bf7
        • 2.Kxf7
          • threat
            • 3.Sg6#
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxg6#
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Sb3
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...h5
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Sc4!
    • 1.Sf6?
      • threat
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Sd7
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxd7#
      • 1...Bb4
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bc5
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bd7
        • 2.gxh6
          • threat
            • 3.Rg5#
      • 1...Sc4!
    • 1.gxh6?
      • threat
        • 2.Rg5#
      • 1...Bg6
        • 2.Kxg6
          • threat
            • 3.Rg5#
          • 2...exd5
            • 3.e8Q#
            • 3.e8R#
        • 2.Rxg6
          • threat
            • 3.Rg5#
          • 2...exd5
            • 3.e8Q#
            • 3.e8R#
      • 1...exd5!
  • Keys
    • 1.Sb6!
      • threat
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Sd7
        • 2.gxh6
          • threat
            • 3.Rg5#
          • 2...Bg6
            • 3.Sxd7#
      • 1...Bb4
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bc5
        • 2.d7+
          • 2...Bd6
            • 3.Bxd6#
      • 1...Bd7
        • 2.gxh6
          • threat
            • 3.Rg5#
      • 1...Sc4
        • 2.exf3
          • threat
            • 3.f4#
          • 2...Rxf2
            • 3.Sxc4#
          • 2...hxg5
            • 3.Rxg5#

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).