Problem Display
PID: 172748 (8/1r6/2p5/1k6/N7/8/1K6/R3Q3 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1999

8/1r6/2p5/1k6/N7/8/1K6/R3Q3

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Ka6+
      • 2.Sb6+
        • 2...Kb5
          • 3.Qa5#
        • 2...Kxb6
          • 3.Qa5#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
      • 1...Ka6+
        • 2.Sb6+
          • 2...Kb5
            • 3.Qb4#
            • 3.Qa5#
          • 2...Kxb6
            • 3.Qa5#
      • 1...Rb6
        • 2.Qb4+
          • 2...Ka6
            • 3.Sc5#
            • 3.Qxb6#
      • 1...Ra7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rc7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rd7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Re7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rf7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rg7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rh7
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
      • 1...Rb8
        • 2.Qb4+
          • 2...Ka6
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
      • 1...c5!
    • 1.Qb4+?
      • 1...Ka6
        • 2.Sc3#
        • 2.Sc5#
        • 2.Sb6#
      • 1...Kxb4!
    • 1.Qe5+?
      • 1...Ka6+
        • 2.Sb6+
          • 2...Kxb6
            • 3.Qa5#
      • 1...c5
        • 2.Qxc5+
          • 2...Ka6+
            • 3.Sb6#
      • 1...Kc4+!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
        • 2.Qc5+
          • 2...Ka6+
            • 3.Sb6#
      • 1...Ka6+
        • 2.Sb6+
          • 2...Kb5
            • 3.Qa5#
          • 2...Kxb6
            • 3.Qa5#
      • 1...c5
        • 2.Qxc5+
          • 2...Ka6+
            • 3.Sb6#
      • 1...Rb6
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sxb6#
            • 3.Qxb6#
          • 2...Ka6
            • 3.Sc5#
            • 3.Qxb6#
        • 2.Qc5+
          • 2...Ka6+
            • 3.Qxb6#
      • 1...Ra7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rc7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rd7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Re7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rf7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rg7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rh7
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
            • 3.Qb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#
            • 3.Qb6#
        • 2.Qc5+
          • 2...Ka6
            • 3.Qb6#
      • 1...Rb8
        • 2.Qb3+
          • 2...Ka5
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
          • 2...Ka6
            • 3.Sc3#
            • 3.Sc5#

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).