Problem Display
PID: 61585 (b7/2pQ4/n2q1N2/r3pP2/P2pp3/1PNkp2R/1P4R1/5K1B w - - 0 1)

le Grand, Henk

le Grand, Piet

Probleemblad, 1962

b7/2pQ4/n2q1N2/r3pP2/P2pp3/1PNkp2R/1P4R1/5K1B

#3

11 + 10


21 Deutsche Schachblatter 1962

SOLUTION


  • SOUND
  • Sets
    • 1...Qe7
      • 2.Ke1
        • threat
          • 3.Rd2#
    • 1...Qf8
      • 2.Ke1
        • threat
          • 3.Rd2#
    • 1...Rxa4
      • 2.Qb5+
        • 2...Rc4
          • 3.Qxc4#
    • 1...Rb5
      • 2.Qxb5#
    • 1...Sb4
      • 2.Sb1
        • threat
          • 3.Rd2#
    • 1...c5
      • 2.Sb1
        • threat
          • 3.Rd2#
      • 2.Sa2
        • threat
          • 3.Sc1#
  • Keys
    • 1.Sa2!
      • threat
        • 2.Sc1#
      • 1...Qc5
        • 2.Sg4
          • threat
            • 3.Rxe3#
          • 2...Qc1+
            • 3.Sxc1#
          • 2...Qd6
            • 3.Sc1#
          • 2...Qd5
            • 3.Sc1#
          • 2...Bd5
            • 3.Sxe5#
      • 1...Qc6
        • 2.Re2
          • threat
            • 3.Rhxe3#
          • 2...Qc1+
            • 3.Sxc1#
          • 2...Qxd7
            • 3.Sc1#
          • 2...Qd5
            • 3.Sc1#
          • 2...Qd6
            • 3.Sc1#
          • 2...Rd5
            • 3.Bxe4#
      • 1...Rc5
        • 2.Qb5+
          • 2...Rc4
            • 3.Sc1#
            • 3.Qxc4#
          • 2...Rxb5
            • 3.Sc1#

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).