Problem Display
PID: 171385 (8/2K5/8/2kp4/R7/N1N5/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

8/2K5/8/2kp4/R7/N1N5/8/8

#2

4 + 2


3713 Snap 2018
6490 yacpdb 2018
5454 Near Snap 2020

SOLUTION


  • SOUND
  • Sets
    • 1...d4
      • 2.Rc4#
  • Tries
    • 1.Rb4?
      • 1...d4
        • 2.Rc4#
        • 2.Rb5#
      • 1...Kxb4!
  • Keys
    • 1.Sa2!
      • 1...d4
        • 2.Ra5#

Anticipated by 23430(1925), 205519(1925)

FEATURES


  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::R1(C)
  • Tries
    • Try
      • R(C);
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • S(B);
    • Vars
      • P(b);SBLOCK::R(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).