MESON Chess Problem Database

Problem Display
PID: 262853 (k6r/8/K1PB4/3R4/8/8/8/7B w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Szachy, 1978

k6r/8/K1PB4/3R4/8/8/8/7B

#2

5 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Keys
    • 1.c7!
      • threat
        • 2.Rh5#
      • 1...Rxh1
        • 2.c8Q#
        • 2.c8R#
      • 1...Rb8
        • 2.cxb8Q#
        • 2.cxb8R#
      • 1...Rh2
        • 2.c8Q#
        • 2.c8R#
      • 1...Rh3
        • 2.c8Q#
        • 2.c8R#
      • 1...Rh4
        • 2.c8Q#
        • 2.c8R#
      • 1...Rh5
        • 2.Rxh5#
        • 2.c8Q#
        • 2.c8R#
      • 1...Re8
        • 2.Re5#
      • 1...Rf8
        • 2.Rf5#
      • 1...Rg8
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(D);
    • Threat
      • B(A)+R(B)
    • Vars
      • R(b);N_GUARD,XB(A)::P=Q
      • R(b);OGATE::PXR(b)=Q
      • R(b);N_GUARD::P=Q
      • R(b);N_GUARD::B(A)+R(B)
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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).