Problem Display
PID: 214097 (1KQn1bq1/2p1p2B/2bR4/1p1P4/1B1Pp2r/3kNN1p/p7/n3R3 w - - 0 1)

Vorobiev, Nikolai

64 Shakhmatnoe obozrenie, 1928

1KQn1bq1/2p1p2B/2bR4/1p1P4/1B1Pp2r/3kNN1p/p7/n3R3

#3

10 + 13


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rh6
      • 2.Bxe4+
        • 2...Kxe4
          • 3.Qf5#
    • 1...Sf7
      • 2.Rxc6
        • threat
          • 3.Rc3#
  • Tries
    • 1.Bxe4+?
      • 1...Kxe4
        • 2.Qf5#
      • 1...Rxe4!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qa3+
          • 2...Sb3
            • 3.Qxb3#
      • 1...Qxd5
        • 2.Qxa2
          • threat
            • 3.Qd2#
            • 3.Qe2#
          • 2...Qxa2
            • 3.Se5#
          • 2...Sc2
            • 3.Qxc2#
      • 1...Bxd5
        • 2.Qxb5+
          • 2...Bc4
            • 3.Se5#
      • 1...Sc2
        • 2.Qxa2
          • threat
            • 3.Qb3#
            • 3.Qxc2#
          • 2...Sxe1
            • 3.Qd2#
          • 2...Sxd4
            • 3.Se5#
            • 3.Qd2#
          • 2...Sa1
            • 3.Qd2#
            • 3.Qe2#
      • 1...Sb3
        • 2.Qxa2
          • threat
            • 3.Qb1#
            • 3.Qxb3#
            • 3.Qc2#
            • 3.Qe2#
          • 2...Sxd4
            • 3.Se5#
            • 3.Qd2#

FEATURES


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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).