Problem Display
PID: 12626 (7B/7Q/8/4PP2/7P/2p5/P2k4/4NK2 w - - 0 1)

Bantysh, Nikolai Ivanovich

StrateGems, 2000

7B/7Q/8/4PP2/7P/2p5/P2k4/4NK2

#3

8 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qg8?
      • 1...Kd1
        • 2.Qg2
          • threat
            • 3.Qc2#
          • 2...Kc1
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
      • 1...Ke3
        • 2.Qd5
          • threat
            • 3.Sg2#
          • 2...Kf4
            • 3.Qf3#
      • 1...c2
        • 2.Qb3
          • 2...Kc1
            • 3.Qxc2#
          • 2...Kd1
            • 3.Qxc2#
          • 2...c1Q
            • 3.Qd3#
          • 2...c1S
            • 3.Sf3#
          • 2...c1B
            • 3.Sf3#
            • 3.Qd3#
          • 2...c1R
            • 3.Qd3#
      • 1...Kc1!
    • 1.Qd7+?
      • 1...Ke3
        • 2.Qd3+
          • 2...Kf4
            • 3.Qf3#
        • 2.Qd5
          • threat
            • 3.Sg2#
          • 2...Kf4
            • 3.Qf3#
      • 1...Kc1!
    • 1.f6?
      • threat
        • 2.Kf2
          • threat
            • 3.Qc2#
          • 2...Kc1
            • 3.Qc2#
          • 2...Kd1
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
        • 2.Qd3+
          • 2...Kc1
            • 3.Qc2#
      • 1...c2
        • 2.Qd3+
          • 2...Kc1
            • 3.Qxc2#
      • 1...Ke3!
  • Keys
    • 1.Qb7!
      • 1...Kc1
        • 2.Ke2
          • 2...c2
            • 3.Sd3#
      • 1...Kd1
        • 2.Qg2
          • threat
            • 3.Qc2#
          • 2...Kc1
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
      • 1...Ke3
        • 2.Qd5
          • threat
            • 3.Sg2#
          • 2...Kf4
            • 3.Qf3#
      • 1...c2
        • 2.Qb3
          • 2...Kc1
            • 3.Qxc2#
          • 2...Kd1
            • 3.Qxc2#
          • 2...c1Q
            • 3.Qd3#
          • 2...c1S
            • 3.Sf3#
          • 2...c1B
            • 3.Sf3#
            • 3.Qd3#
          • 2...c1R
            • 3.Qd3#

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).