Problem Display
PID: 172374 (8/8/8/8/7K/4PQ1N/6pk/7N w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1997

8/8/8/8/7K/4PQ1N/6pk/7N

#2

5 + 2


6490 yacpdb 2018

SOLUTION


  • COOKED
  • Sets
    • 1...gxh1Q
      • 2.Qg3#
    • 1...gxh1B
      • 2.Qg3#
    • 1...gxh1R
      • 2.Qe2#
      • 2.Qf2#
      • 2.Qg3#
  • Tries
    • 1.S3f2?
      • 1...gxh1Q
        • 2.Qxh1#
        • 2.Qg3#
      • 1...gxh1S
        • 2.Qxh1#
      • 1...gxh1B
        • 2.Qxh1#
        • 2.Qg3#
      • 1...gxh1R
        • 2.Qxh1#
        • 2.Qg3#
      • 1...g1Q
        • 2.Qh3#
      • 1...g1S
        • 2.Sg4#
        • 2.Qg3#
      • 1...g1B
        • 2.Sg4#
        • 2.Qg3#
        • 2.Qh3#
      • 1...g1R
        • 2.Qh3#
      • 1...Kg1!
    • 1.Qd1?
      • threat
        • 2.Qg1#
      • 1...gxh1R
        • 2.Qc2#
        • 2.Qe2#
        • 2.Qd2#
      • 1...g1Q
        • 2.Qxg1#
      • 1...g1S
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...g1R
        • 2.Qxg1#
      • 1...gxh1Q!
    • 1.Qg4?
      • 1...gxh1Q
        • 2.Qg3#
      • 1...gxh1S
        • 2.Qg1#
      • 1...gxh1B
        • 2.Qg1#
        • 2.Qg3#
      • 1...gxh1R
        • 2.Qe2#
        • 2.Qg3#
      • 1...g1Q
        • 2.Qxg1#
      • 1...g1S
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...g1R
        • 2.Qxg1#
      • 1...Kxh1!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qxg2#
      • 1...Kg1
        • 2.Qxg2#
      • 1...Kxh1
        • 2.Qxg2#
      • 1...gxh1Q
        • 2.Qg3#
      • 1...gxh1S
        • 2.Qg2#
      • 1...gxh1B
        • 2.Qg3#
      • 1...gxh1R
        • 2.Qg2#
        • 2.Qf2#
        • 2.Qg3#
      • 1...g1Q
        • 2.Qh3#
      • 1...g1S
        • 2.Qg2#
      • 1...g1B
        • 2.Qg2#
        • 2.Qh3#
      • 1...g1R
        • 2.Qh3#
    • 1.Qf2!
      • 1...Kxh1
        • 2.Qg1#

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).