MESON Chess Problem Database

Problem Display
PID: 171386 (8/3K4/2N5/p1pk4/R7/5P2/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

8/3K4/2N5/p1pk4/R7/5P2/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Rxa5#
  • Tries
    • 1.Rf4?
      • 1...c4
        • 2.Rf5#
      • 1...a4!
    • 1.Rg4?
      • 1...c4
        • 2.Rg5#
      • 1...a4!
    • 1.Rh4?
      • 1...c4
        • 2.Rh5#
      • 1...a4!
  • Keys
    • 1.Re4!
      • threat
        • 2.Se7#
      • 1...c4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB,SBLOCK::R(B),XP(a)
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • P(a);
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • P(a);
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • P(a);
  • Actual
    • R(B);
    • Threat
      • S(C)
    • Vars
      • P(b);SBLOCK::R1(B)
HTML5 logo

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).