Problem Display
PID: 183897 (1B6/2b5/3kp3/ppNpN3/8/7B/K1Q2P2/8 w - - 0 1)

Couto, Sousa

Tiro e Sport, 1907

1B6/2b5/3kp3/ppNpN3/8/7B/K1Q2P2/8

#3

7 + 6


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Scd3?
      • threat
        • 2.Qc5#
        • 2.Qxc7#
      • 1...Bxb8
        • 2.Qc5#
      • 1...d4
        • 2.Qc5#
      • 1...Ke7!
    • 1.Sxe6?
      • threat
        • 2.Qxc7#
      • 1...Kxe5
        • 2.Qc3+
          • 2...Ke4
            • 3.Qe3#
            • 3.f3#
          • 2...Kd6
            • 3.Qxc7#
          • 2...d4
            • 3.Qxd4#
      • 1...Ke7
        • 2.Qh7+
          • 2...Kd6
            • 3.Bxc7#
            • 3.Qxc7#
          • 2...Kf6
            • 3.Sd7#
            • 3.Qg7#
          • 2...Ke8
            • 3.Qd7#
            • 3.Qf7#
        • 2.Qxc7+
          • 2...Kf6
            • 3.Qd8#
            • 3.Qf7#
            • 3.Qg7#
          • 2...Ke8
            • 3.Qd8#
            • 3.Qd7#
            • 3.Qf7#
      • 1...Bxb8!
    • 1.Bxc7+?
      • 1...Ke7
        • 2.Qg6
          • threat
            • 3.Qf7#
          • 2...Kf8
            • 3.Bd6#
            • 3.Qf7#
      • 1...Kxc7!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qxc7#
      • 1...Kxc5
        • 2.Qc2+
          • 2...Kb4
            • 3.Sd3#
            • 3.Sc6#
          • 2...Kd4
            • 3.Sf3#
            • 3.Sc6#
          • 2...Kb6
            • 3.Qc6#
          • 2...Kd6
            • 3.Qxc7#
      • 1...Kxe5
        • 2.Qg7+
          • 2...Kf4
            • 3.Qf6#
            • 3.Qg3#
          • 2...Kd6
            • 3.Qxc7#
      • 1...Bxb8
        • 2.Scd3
          • threat
            • 3.Qd7#
      • 1...d4
        • 2.Qxc7+
          • 2...Kd5
            • 3.Bg2#
            • 3.Bxe6#
            • 3.Qd6#
            • 3.Qc6#

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).