Problem Display
PID: 171012 (K2b4/1p5b/p5pr/pkBB4/N2p2r1/7p/1p2N2Q/8 w - - 0 1)

Anonymous

2nd Prize, Scheel JT, 1949

K2b4/1p5b/p5pr/pkBB4/N2p2r1/7p/1p2N2Q/8

#3

6 + 12


6490 yacpdb 2018

SOLUTION


  • NO_SOLUTION
  • Sets
    • 1...Rg1
      • 2.Sxd4+
        • 2...Kxa4
          • 3.Bb3#
          • 3.Qc2#
    • 1...Rg2
      • 2.Sxd4+
        • 2...Kxa4
          • 3.Bb3#
    • 1...Rg5
      • 2.Sxd4+
        • 2...Kxa4
          • 3.Bb3#
          • 3.Qc2#
    • 1...d3
      • 2.Sec3#
  • Tries
    • 1.Sxd4+?
      • 1...Kxa4
        • 2.Bb3#
        • 2.Qc2#
      • 1...Rxd4!
    • 1.Bc4+?
      • 1...Kxa4
        • 2.Sc3+
          • 2...dxc3
            • 3.Qc2#
      • 1...Kxc4!
    • 1.Qg1?
      • threat
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Qe3
          • threat
            • 3.Qb3#
            • 3.Qe8#
          • 2...Kxa4
            • 3.Qb3#
          • 2...dxe3
            • 3.Sec3#
      • 1...Kxa4
        • 2.Qxd4+
          • 2...Kb5
            • 3.Sc3#
          • 2...Rxd4
            • 3.Sc3#
      • 1...Rxg1
        • 2.Sxd4+
          • 2...Kxa4
            • 3.Bb3#
      • 1...b1Q
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Qxb1+
          • 2...Kxa4
            • 3.Qb3#
      • 1...b1S
        • 2.Qxb1+
          • 2...Kxa4
            • 3.Qb3#
      • 1...b1R
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Qxb1+
          • 2...Kxa4
            • 3.Qb3#
      • 1...Re4
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Rg5
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Sxd4+
          • 2...Kxa4
            • 3.Bb3#
            • 3.Qd1#
      • 1...Rh5
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Bg8
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Bg5
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Qxg4
          • threat
            • 3.Qd7#
          • 2...Kxa4
            • 3.Sc3#
      • 1...Bb6
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Bf6
        • 2.Qxg4
          • threat
            • 3.Qd7#
          • 2...Kxa4
            • 3.Sc3#
      • 1...Be7
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...g5
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Rg3!
    • 1.Qd6?
      • threat
        • 2.Qd7#
      • 1...g5
        • 2.Sec3+
          • 2...dxc3
            • 3.Sxc3#
        • 2.Sxd4+
          • 2...Kxa4
            • 3.Bb3#
          • 2...Rxd4
            • 3.Sc3#
        • 2.Sac3+
          • 2...dxc3
            • 3.Sxc3#
      • 1...Kxa4!
    • 1.Qxh3?
      • threat
        • 2.Qb3#
      • 1...b1Q
        • 2.Sxd4+
          • 2...Kxa4
            • 3.Qa3#
          • 2...Rxd4
            • 3.Qd7#
      • 1...b1R
        • 2.Sxd4+
          • 2...Kxa4
            • 3.Qa3#
          • 2...Rxd4
            • 3.Qd7#
      • 1...Rxh3!

FEATURES


NOT CLASSIFIED


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).