Problem Display
PID: 111877 (3R4/2p5/Bpkp3P/1p5R/3ppp2/B5p1/n2Qn1r1/K3Nbr1 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

1st HM., UV CSTV, 1983

3R4/2p5/Bpkp3P/1p5R/3ppp2/B5p1/n2Qn1r1/K3Nbr1

#3

8 + 14


3485 Sachova skladba 1985
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qxb5#
      • 1...Sac3
        • 2.Rxd6+
          • 2...cxd6
            • 3.Qxd6#
      • 1...Sec1
        • 2.Rxd6+
          • 2...cxd6
            • 3.Qxd6#
      • 1...Sec3
        • 2.Rxd6+
          • 2...cxd6
            • 3.Qxd6#
      • 1...Sxb4!
    • 1.Qa5?
      • threat
        • 2.Qxb5#
      • 1...Sac3
        • 2.Bxb5+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qa8#
          • 2...Sxb5
            • 3.Qa8#
        • 2.Bb7+
          • 2...Kxb7
            • 3.Qa8#
      • 1...Sec1
        • 2.Bxb5+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qa8#
          • 2...Bxb5
            • 3.Qa8#
        • 2.Bb7+
          • 2...Kxb7
            • 3.Qa8#
      • 1...Sec3
        • 2.Bxb5+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qa8#
          • 2...Bxb5
            • 3.Qa8#
          • 2...Sxb5
            • 3.Qa8#
        • 2.Bb7+
          • 2...Kxb7
            • 3.Qa8#
      • 1...bxa5!
    • 1.Qxa2?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...Sc3!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qc1
          • threat
            • 3.Sb4#
            • 3.Sxd4#
      • 1...d3
        • 2.Qc3+
          • 2...Saxc3
            • 3.Sb4#
          • 2...Sexc3
            • 3.Sd4#
      • 1...b4
        • 2.Qxb4
          • threat
            • 3.Qc4#
            • 3.Qb5#
          • 2...Sxb4
            • 3.Sxb4#
          • 2...b5
            • 3.Qxb5#
          • 2...Sec1
            • 3.Sxd4#
          • 2...Sec3
            • 3.Sxd4#
      • 1...d5
        • 2.Qxd4
          • threat
            • 3.Qf6#
            • 3.Qxd5#
          • 2...Sxd4
            • 3.Sxd4#
          • 2...Sb4
            • 3.Sxb4#

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).