Problem Display
PID: 37699 (1N1B4/p7/3R4/2Qnkp2/4nR2/1P2p2P/1P1bP2K/1b6 w - - 0 1)

Erenburg, Mark

1st Prize, Vodka II, 1993

1N1B4/p7/3R4/2Qnkp2/4nR2/1P2p2P/1P1bP2K/1b6

#3

10 + 8


721 Variantim 1993
4393 Uralski Problemist 1994

SOLUTION


  • SOUND
  • Sets
    • 1...Sc3
      • 2.Bg5
        • threat
          • 3.Sc6#
          • 3.Sd7#
    • 1...Sg5
      • 2.Bxg5
        • threat
          • 3.Sc6#
          • 3.Sd7#
          • 3.Qxd5#
  • Tries
    • 1.Rxe4+?
      • 1...Kxe4
        • 2.Bg5
          • threat
            • 3.Re6#
            • 3.Qxd5#
          • 2...Ke5
            • 3.Qxd5#
          • 2...Sf4
            • 3.Rd4#
            • 3.Qd4#
          • 2...Sc7
            • 3.Rd4#
            • 3.Qd4#
        • 2.Re6+
          • 2...Kf4
            • 3.Qd6#
      • 1...fxe4
        • 2.Bg5
          • threat
            • 3.Qxd5#
          • 2...Kf5
            • 3.Qxd5#
        • 2.Rf6
          • threat
            • 3.Sc6#
            • 3.Sd7#
        • 2.Qxd5+
          • 2...Kf4
            • 3.Bg5#
            • 3.Rf6#
            • 3.Qg5#
      • 1...Bxe4!
    • 1.Rxd5+?
      • 1...Kxf4
        • 2.Rxf5#
      • 1...Ke6!
  • Keys
    • 1.Qd4+!
      • 1...Kxd4
        • 2.Sd7
          • threat
            • 3.Bf6#
      • 1...Kxf4
        • 2.Rg6
          • threat
            • 3.Bg5#
          • 2...Sf6
            • 3.Bc7#
          • 2...Se7
            • 3.Bc7#
      • 1...Kxd6
        • 2.Rxf5
          • threat
            • 3.Qxd5#
          • 2...Ke6
            • 3.Qe5#
            • 3.Qxd5#
          • 2...Sc3
            • 3.Rf6#
          • 2...Sf6
            • 3.Rxf6#

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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).