Problem Display
PID: 121025 (2n5/b7/bp6/3R4/P1k5/K7/8/3R4 w - - 0 1)

Bobrov, Pavel Pavlovich

La Strategie, 1906

2n5/b7/bp6/3R4/P1k5/K7/8/3R4

#2

4 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kc3
      • 2.Rc1#
  • Keys
    • 1.Rd7!
      • threat
        • 2.Rc1#
        • 2.Rc7#
      • 1...Kc3
        • 2.Rc1#
      • 1...Kc5
        • 2.Rc7#
      • 1...Bb5
        • 2.Rc1#
      • 1...Bb7
        • 2.Rc1#
      • 1...Bb8
        • 2.Rc1#
      • 1...Sd6
        • 2.Rc7#
      • 1...Se7
        • 2.Rc1#
      • 1...b5
        • 2.Rc1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(A)
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::R(A)
      • K(a);P-FLIGHT::R(D)
      • B(b);::R(A)
      • B(d);::R(A)
      • S(e);::R(D)
      • S(e);::R(A)
      • P(c);::R(A)


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).