Problem Display
PID: 1931 (8/8/8/r2p4/kp6/1R1Q4/8/K7 w - - 0 1)

d'Orville, Peter Auguste

250 Problemes des Echecs, 1842

8/8/8/r2p4/kp6/1R1Q4/8/K7

#2

3 + 4


16 Chess Amateur (The) 1907
16 Chess Amateur (The) 1910

SOLUTION


  • SOUND
  • Keys
    • 1.Rb2!
      • threat
        • 2.Ra2#
      • 1...b3
        • 2.Qxb3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • P(b);::QAB1(C),XP(b)


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).