Problem Display
PID: 244671 (8/p7/8/4R1B1/2kp4/8/1R1K4/8 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Kudesnik, 1997

8/p7/8/4R1B1/2kp4/8/1R1K4/8

#2

4 + 3


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Be7!
      • threat
        • 2.Rb4#
        • 2.Rc5#
      • 1...d3
        • 2.Rb4#
      • 1...a5
        • 2.Rc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::R1(A)
      • P(c);::R1(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).