Problem Display
PID: 172725 (K2n4/8/1kp5/N7/2P5/Q7/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1999

K2n4/8/1kp5/N7/2P5/Q7/8/8

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • COOKED
  • Sets
    • 1...Ka6
      • 2.Sb3+
        • 2...Kb6
          • 3.Qa5#
          • 3.Qa7#
      • 2.Sb7+
        • 2...Kb6
          • 3.Qa5#
      • 2.Qc5
        • threat
          • 3.Qa7#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qa5#
        • 2.Qa7#
      • 1...c5
        • 2.Qxc5+
          • 2...Ka6
            • 3.Qa7#
            • 3.Qa5#
            • 3.Qb5#
      • 1...Sb7
        • 2.Qe7
          • threat
            • 3.Qxb7#
          • 2...Ka6
            • 3.Qxb7#
          • 2...Sa5
            • 3.Qa7#
          • 2...Sc5
            • 3.Qa7#
          • 2...Sd6
            • 3.Qa7#
          • 2...Sd8
            • 3.Qa7#
      • 1...Kc7!
    • 1.Qb4+?
      • 1...Ka6
        • 2.Sb3
          • threat
            • 3.Sc5#
            • 3.Qa5#
          • 2...Sb7
            • 3.Qxb7#
        • 2.Sxc6
          • threat
            • 3.Sb8#
            • 3.Qa5#
            • 3.Qb5#
        • 2.Qc5
          • threat
            • 3.Qa7#
        • 2.c5
          • threat
            • 3.Qb6#
      • 1...Kc7!
  • Keys
    • 1.Qd6!
      • 1...Kxa5
        • 2.Qa3+
          • 2...Kb6
            • 3.Qa7#
      • 1...Ka6
        • 2.Qc5
          • threat
            • 3.Qa7#
      • 1...Se6
        • 2.Qxc6+
          • 2...Kxa5
            • 3.Qb5#
      • 1...Sb7
        • 2.Sxb7
          • 2...Ka6
            • 3.Qxc6#
        • 2.Qxc6+
          • 2...Kxa5
            • 3.Qb5#
      • 1...Sf7
        • 2.Qxc6+
          • 2...Kxa5
            • 3.Qb5#
    • 1.Qe7!
      • threat
        • 2.Qa7#
      • 1...Kxa5
        • 2.Qa3+
          • 2...Kb6
            • 3.Qa7#
      • 1...Sb7
        • 2.Sb3
          • threat
            • 3.Qxb7#
          • 2...Ka6
            • 3.Qxb7#
          • 2...Sa5
            • 3.Qa7#
          • 2...Sc5
            • 3.Qa7#
          • 2...Sd6
            • 3.Qa7#
          • 2...Sd8
            • 3.Qa7#

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).