Problem Display
PID: 117171 (2K1Q3/8/5p2/5N2/5p2/1p1P1NpB/1P2Pprp/5k2 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Deutsche Schachzeitung, 1907

2K1Q3/8/5p2/5N2/5p2/1p1P1NpB/1P2Pprp/5k2

#3

8 + 8


1829 The Theory of Pawn Promotion 1912
6490 yacpdb 2009
23 Die Schwalbe 2018

SOLUTION


  • SOUND
  • Sets
    • 1...h1S
      • 2.S5h4
        • 2...f5
          • 3.Bxg2#
    • 1...h1B
      • 2.Qe3
        • 2...fxe3
          • 3.Sxg3#
  • Tries
    • 1.S5d4?
      • threat
        • 2.Sxb3
          • threat
            • 3.Sbd2#
        • 2.Qa4
          • threat
            • 3.Qa1#
        • 2.Qc6
          • threat
            • 3.Qc1#
      • 1...h1S
        • 2.Sxb3
          • 2...f5
            • 3.Sbd2#
        • 2.Qa4
          • 2...f5
            • 3.Qa1#
        • 2.Qc6
          • 2...f5
            • 3.Qc1#
      • 1...h1B
        • 2.Sxb3
          • 2...f5
            • 3.Sbd2#
        • 2.Qa4
          • 2...f5
            • 3.Qa1#
        • 2.Qc6
          • 2...f5
            • 3.Qc1#
      • 1...h1Q!
    • 1.Sd6?
      • threat
        • 2.Sc4
          • threat
            • 3.Scd2#
      • 1...h1S
        • 2.Sc4
          • 2...f5
            • 3.Scd2#
      • 1...h1B
        • 2.Sc4
          • 2...f5
            • 3.Scd2#
      • 1...h1Q!
    • 1.Qe3?
      • threat
        • 2.Qd2
          • threat
            • 3.Qd1#
      • 1...h1B
        • 2.Kb7
          • 2...fxe3
            • 3.Sxg3#
        • 2.Kc7
          • 2...fxe3
            • 3.Sxg3#
        • 2.Kd7
          • 2...fxe3
            • 3.Sxg3#
        • 2.Kb8
          • 2...fxe3
            • 3.Sxg3#
        • 2.Kd8
          • 2...fxe3
            • 3.Sxg3#
        • 2.d4
          • 2...fxe3
            • 3.Sxg3#
      • 1...h1S!
  • Keys
    • 1.d4!
      • threat
        • 2.Qb5
          • threat
            • 3.e3#
            • 3.e4#
      • 1...h1S
        • 2.S5h4
          • 2...f5
            • 3.Bxg2#
      • 1...h1B
        • 2.Qe3
          • 2...fxe3
            • 3.Sxg3#

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).