Problem Display
PID: 156282 (8/QK2p3/2P2P2/4pNP1/1p1Nk1p1/1p4P1/1P3p2/5B2 w - - 0 1)

Meyer, Max Julius

Knowledge, 1902

8/QK2p3/2P2P2/4pNP1/1p1Nk1p1/1p4P1/1P3p2/5B2

#3

10 + 7


15351 SCPF/BCPS Black Books 2016

SOLUTION


  • SOUND
  • Tries
    • 1.Sxe7?
      • threat
        • 2.Sdf5
          • 2...Kf3
            • 3.Qe3#
      • 1...exd4
        • 2.Qb8
          • threat
            • 3.Qf4#
          • 2...Ke3
            • 3.Qf4#
          • 2...Kf3
            • 3.Qf4#
      • 1...Ke3!
    • 1.Bd3+?
      • 1...Kd5
        • 2.Qa5#
      • 1...Kxd3!
    • 1.Qa5?
      • threat
        • 2.Qb5
          • threat
            • 3.Bg2#
            • 3.Bd3#
      • 1...exd4
        • 2.fxe7
          • 2...Kf3
            • 3.Qd5#
          • 2...d3
            • 3.Bg2#
      • 1...e6!
    • 1.Qa6?
      • threat
        • 2.Bg2#
      • 1...Kd5
        • 2.Bg2+
          • 2...Kc5
            • 3.Sxb3#
            • 3.Se6#
            • 3.Qb5#
          • 2...e4
            • 3.Qb5#
        • 2.Qc4+
          • 2...Ke4
            • 3.Bg2#
            • 3.Bd3#
        • 2.Qb5+
          • 2...Ke4
            • 3.Bg2#
            • 3.Bd3#
      • 1...exd4!
    • 1.fxe7?
      • 1...exd4
        • 2.Qc5
          • 2...Kf3
            • 3.Qd5#
          • 2...d3
            • 3.Bg2#
        • 2.Qa5
          • 2...Kf3
            • 3.Qd5#
          • 2...d3
            • 3.Bg2#
        • 2.e8Q+
          • 2...Kf3
            • 3.Qe2#
          • 2...Kd5
            • 3.Qxd4#
            • 3.Qa5#
          • 2...Kxf5
            • 3.Qc5#
            • 3.Qa5#
      • 1...Kd5!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qb5
          • threat
            • 3.Bg2#
            • 3.Bd3#
      • 1...exd4
        • 2.fxe7
          • 2...Kf3
            • 3.Qd5#
          • 2...d3
            • 3.Bg2#
      • 1...e6
        • 2.Sf3
          • 2...Kxf3
            • 3.Qe3#
          • 2...Kxf5
            • 3.Bd3#
          • 2...gxf3
            • 3.Sd6#
          • 2...exf5
            • 3.Sd2#

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).