Problem Display
PID: 205082 (4K3/1R1NQp2/2Bp4/2PP2N1/1Pkp4/2ppn2R/Ppr1r1p1/5bB1 w - - 0 1)

Agapov, Igor Alexeyevich

Bakharev, Aleksandr Viktorovich

Zadachi i Etyudi, 1998

4K3/1R1NQp2/2Bp4/2PP2N1/1Pkp4/2ppn2R/Ppr1r1p1/5bB1

#3

12 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...dxc5
      • 2.Se5#
      • 2.Qxc5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sxd6#
      • 1...d2
        • 2.Sxd6+
          • 2...Kd3
            • 3.Se5#
            • 3.Bb5#
            • 3.Qe4#
      • 1...Sf5!
    • 1.Sxf7?
      • threat
        • 2.Sxd6#
      • 1...d2
        • 2.Sde5+
          • 2...dxe5
            • 3.Sxe5#
        • 2.Sfe5+
          • 2...dxe5
            • 3.Sxe5#
        • 2.Sxd6+
          • 2...Kd3
            • 3.Se5#
            • 3.Bb5#
            • 3.Qe4#
            • 3.Qh7#
      • 1...Sf5!
    • 1.Bb5+?
      • 1...Kxd5
        • 2.Sb6#
        • 2.Sf6#
        • 2.Qxd6#
        • 2.Qe4#
        • 2.Qxf7#
      • 1...Kxb4!
    • 1.Rb5?
      • threat
        • 2.Sb6#
      • 1...d2
        • 2.Sb6+
          • 2...Kd3
            • 3.Qe4#
      • 1...Sxd5!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qxd4+
          • 2...Kxd4
            • 3.Rh4#
      • 1...Sf5
        • 2.Se5+
          • 2...dxe5
            • 3.Qxd3#
      • 1...Rf2
        • 2.Rb5
          • threat
            • 3.Sb6#
          • 2...Sxd5
            • 3.Qxd5#
      • 1...Sd1
        • 2.Se5+
          • 2...dxe5
            • 3.Qxd3#
      • 1...Sg4
        • 2.Se5+
          • 2...Sxe5
            • 3.Qxd4#
          • 2...dxe5
            • 3.Qxd3#
      • 1...d2
        • 2.Qd3+
          • 2...Kxd3
            • 3.Bb5#
      • 1...f5
        • 2.Sf7
          • threat
            • 3.Sxd6#
          • 2...dxc5
            • 3.Sde5#
            • 3.Sfe5#
            • 3.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).