MESON Chess Problem Database

Problem Display
PID: 259475 (2n2B2/8/6p1/1Bp2P1k/6R1/6K1/8/8 w - - 0 1)

Cheylan, Yves

The Problemist Supplement, 2002

2n2B2/8/6p1/1Bp2P1k/6R1/6K1/8/8

#2

5 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...gxf5
      • 2.Be8#
    • 1...g5
      • 2.Be8#
  • Keys
    • 1.Be2!
      • threat
        • 2.Rxg6#
      • 1...gxf5
        • 2.Rg8#
      • 1...g5
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XP(D)::B(C)
    • P(c);OGATEB::B(C)
  • Actual
    • B(C);
    • Threat
      • B(C)+R(B),XP(c)
    • Vars
      • P(c);OGATE,XP(D)::B(C)+R(B)
      • P(c);SBLOCK::B(C)+R(B),DCHECK
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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).