MESON Chess Problem Database

Problem Display
PID: 87925 (8/1P2P3/6N1/5p1R/8/N1k5/8/5Q1K w - - 0 1)

Kofman, Rafael Moiseevich

The Problemist, 1969

8/1P2P3/6N1/5p1R/8/N1k5/8/5Q1K

#2

7 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rh3+!
      • 1...Kb2
        • 2.Qb1#
      • 1...Kd2
        • 2.Rd3#
      • 1...Kb4
        • 2.Qb5#
      • 1...Kd4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);CHECK
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::R1(D)
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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).