Problem Display
PID: 201531 (2b5/2RBp1r1/p4n2/q3kNP1/pQ3NrP/4pP2/4nbP1/K7 w - - 0 1)

Somma, Francesco

L'Alfiere di Re, 1922

2b5/2RBp1r1/p4n2/q3kNP1/pQ3NrP/4pP2/4nbP1/K7

#2

10 + 12


6490 yacpdb 2020

SOLUTION


  • COOKED
  • Sets
    • 1...Sc1
      • 2.Qd4#
    • 1...Sg1
      • 2.Qd4#
    • 1...Sc3
      • 2.Qd4#
    • 1...Sg3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sxf4
      • 2.Qd4#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sd5
      • 2.Sd3#
      • 2.Qe4#
    • 1...Sh5
      • 2.Qe4#
    • 1...Sxd7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
    • 1...Se8
      • 2.Qe4#
    • 1...Sg8
      • 2.Qe4#
  • Tries
    • 1.Sg6+?
      • 1...Kd5
        • 2.Qxa5#
      • 1...Rxg6!
    • 1.Rc5+?
      • 1...Sd5
        • 2.Sd3#
        • 2.Qe4#
      • 1...Qxc5!
    • 1.Qxa5+?
      • 1...Sd5
        • 2.Sd3#
      • 1...Kxf4!
  • Keys
    • 1.Sd3+!
      • 1...Kd5
        • 2.Qxa5#
    • 1.Qb8!
      • threat
        • 2.Rc5#
      • 1...Qe1+
        • 2.Rc1#
      • 1...Qc3+
        • 2.Rxc3#
      • 1...Kxf4
        • 2.Rc4#
      • 1...Qxc7
        • 2.Qxc7#
      • 1...Qc5
        • 2.Rxc5#
      • 1...Sd5
        • 2.Sd3#

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).