Problem Display
PID: 209623 (r3R3/8/4nP2/7n/2Pp1kPK/1Q1P2p1/2p1Pp2/2rb4 w - - 0 1)

Kubbel, Arvid Ivanovich

64 Shakhmatnoe obozrenie, 1926

r3R3/8/4nP2/7n/2Pp1kPK/1Q1P2p1/2p1Pp2/2rb4

#3

8 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Rxe6+
        • 2...Kd2
          • 3.Qb4#
        • 2...Kf4
          • 3.Re4#
    • 1...Sc7
      • 2.Re4#
    • 1...Sg7
      • 2.Re4#
    • 1...Sd8
      • 2.Re4#
    • 1...Sf8
      • 2.Re4#
  • Tries
    • 1.Qb8+?
      • 1...Ke3
        • 2.Rxe6+
          • 2...Kd2
            • 3.Qb4#
      • 1...Rxb8!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Rxe6+
          • 2...Kd2
            • 3.Qb4#
          • 2...Kf4
            • 3.Re4#
            • 3.Qf3#
            • 3.Qe4#
            • 3.Qc7#
      • 1...Ke5
        • 2.Rxe6+
          • 2...Kf4
            • 3.Re4#
            • 3.Qf3#
            • 3.Qe4#
            • 3.Qc7#
          • 2...Kxe6
            • 3.Qe7#
      • 1...Sxf6
        • 2.Qf3+
          • 2...Ke5
            • 3.Qxg3#

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).