Problem Display
PID: 248466 (2N1b3/p1Q2p2/6p1/3P3n/1pPkP3/3Pp1P1/1K2P3/8 w - - 0 1)

Vasta, Jan

Sachove umeni (Ceskoslovensky sach), 1960

2N1b3/p1Q2p2/6p1/3P3n/1pPkP3/3Pp1P1/1K2P3/8

#4

9 + 8


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qxb4
          • threat
            • 3.Qc3+
              • 3...Kc5
                • 4.d4#
            • 3.c5+
              • 3...Ke5
                • 4.Qc3#
      • 1...Sxg3
        • 2.Qf6+
          • 2...Kc5
            • 3.d4+
              • 3...Kxc4
                • 4.Sd6#
      • 1...Bb5
        • 2.Sxa7
          • threat
            • 3.Sxb5#
          • 2...Ba4
            • 3.Sc6+
              • 3...Bxc6
                • 4.dxc6#
          • 2...Bd7
            • 3.Sc6+
              • 3...Bxc6
                • 4.dxc6#
          • 2...Be8
            • 3.Sc6+
              • 3...Bxc6
                • 4.dxc6#
        • 2.Qxb4
          • threat
            • 3.Qc3+
              • 3...Kc5
                • 4.d4#
            • 3.cxb5+
              • 3...Ke5
                • 4.Qc3#
          • 2...Bxc4
            • 3.Qc3+
              • 3...Kc5
                • 4.Qxc4#
            • 3.Qxc4+
              • 3...Ke5
                • 4.Qc3#
      • 1...Sf4
        • 2.Qf6+
          • 2...Kc5
            • 3.d4+
              • 3...Kxc4
                • 4.Sd6#
      • 1...Sf6
        • 2.Qxf6+
          • 2...Kc5
            • 3.d4+
              • 3...Kxc4
                • 4.Sd6#
      • 1...Sg7
        • 2.Qf6+
          • 2...Kc5
            • 3.d4+
              • 3...Kxc4
                • 4.Sd6#
      • 1...b3
        • 2.Qb4
          • threat
            • 3.Qc3+
              • 3...Kc5
                • 4.d4#
            • 3.c5+
              • 3...Ke5
                • 4.Qc3#
      • 1...a5
        • 2.Qb6+
          • 2...Ke5
            • 3.d4+
              • 3...Kxe4
                • 4.Sd6#

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).