Problem Display
PID: 33449 (4qRr1/6p1/2nQb3/2Bnp1p1/N3k1p1/4p3/1N2P3/3K1R2 w - - 0 1)

Kofman, Rafael Moiseevich

Pavlov, Yury A

3rd Prize, Shakhmaty, 1973

4qRr1/6p1/2nQb3/2Bnp1p1/N3k1p1/4p3/1N2P3/3K1R2

#3

8 + 11


3753 FIDE Album (1971-1973) 1978

SOLUTION


  • SOUND
  • Sets
    • 1...Qh5
      • 2.Qxc6
        • threat
          • 3.Sc3#
    • 1...Qg6
      • 2.Qxc6
        • threat
          • 3.Sc3#
    • 1...Sc3+
      • 2.Sxc3#
    • 1...Sdb4
      • 2.Sc3#
    • 1...Sf4
      • 2.Sc3#
    • 1...Sb6
      • 2.Sc3#
      • 2.Qd3#
    • 1...Sf6
      • 2.Sc3#
      • 2.Qd3#
    • 1...Sc7
      • 2.Sc3#
      • 2.Qd3#
    • 1...Sde7
      • 2.Sc3#
      • 2.Qd3#
  • Tries
    • 1.Qxd5+?
      • 1...Bxd5
        • 2.Sc3#
      • 1...Kxd5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qxe5+
          • 2...Sxe5
            • 3.Sd6#
      • 1...Qxf8
        • 2.Qxf8
          • threat
            • 3.Sd6#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
          • 2...Sf6
            • 3.Sc3#
          • 2...Sc7
            • 3.Sc3#
          • 2...Sde7
            • 3.Sc3#
      • 1...Qd7
        • 2.Qxd7
          • threat
            • 3.Sd6#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sf6
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sc7
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sde7
            • 3.Sc3#
            • 3.Qd3#
      • 1...Qe7
        • 2.Qxe7
          • threat
            • 3.Sd6#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdxe7
            • 3.Sc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
          • 2...Sf6
            • 3.Sc3#
          • 2...Sc7
            • 3.Sc3#
      • 1...Qb8
        • 2.Qxb8
          • threat
            • 3.Sd6#
            • 3.Qb1#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
          • 2...Sf6
            • 3.Sc3#
          • 2...Sc7
            • 3.Sc3#
          • 2...Sde7
            • 3.Sc3#
      • 1...Qd8
        • 2.Qxc6
          • threat
            • 3.Sc3#
          • 2...Qa5
            • 3.Sd6#
        • 2.Qxd8
          • threat
            • 3.Sd6#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sf6
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sc7
            • 3.Sc3#
            • 3.Qd3#
          • 2...Sde7
            • 3.Sc3#
            • 3.Qd3#
      • 1...Bf5
        • 2.Qh6
          • threat
            • 3.Sd6#
            • 3.Qh1#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sf4
            • 3.Sc3#
      • 1...Bd7
        • 2.Qxc6
          • threat
            • 3.Sc3#
            • 3.Sd6#
      • 1...Bf7
        • 2.Qg6+
          • 2...Bxg6
            • 3.Sd6#
      • 1...Bc8
        • 2.Qb8
          • threat
            • 3.Sd6#
            • 3.Qb1#
          • 2...Sc3+
            • 3.Sxc3#
          • 2...Sdb4
            • 3.Sc3#
          • 2...Sf4
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
          • 2...Sf6
            • 3.Sc3#
          • 2...Sc7
            • 3.Sc3#
          • 2...Sde7
            • 3.Sc3#

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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).