Problem Display
PID: 225095 (2B5/3n1p2/2RpbB2/1P1knp2/1P4P1/1K1p1N2/3P4/8 w - - 0 1)

Parker, FW

The Field, 1895

(First published on Sat Nov 30 1895)

2B5/3n1p2/2RpbB2/1P1knp2/1P4P1/1K1p1N2/3P4/8

#2

9 + 8


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bb7!
      • threat
        • 2.Rc5#
      • 1...Ke4+
        • 2.Rc4#
      • 1...Sc5+
        • 2.Rxc5#
      • 1...Sxc6
        • 2.Bxc6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(I);
    • Threat
      • B(I)+R(G),DCHECK
    • Vars
      • K(b);CHECK,S_FLIGHT::B(I)+R(G),DCHECK
      • S(g);CHECK::B(I)+R(G),DCHECK,XS(g)
      • S(c);OGATE,P_SPINS(c),XR(G)::B(I),XS(c)


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).