MESON Chess Problem Database

Problem Display
PID: 136832 (rk4KR/pn2ppQp/p1R1p3/3p2n1/8/6qp/7B/1b3r2 w - - 0 1)

Guidelli, Giorgio

Good Companions, 1918

rk4KR/pn2ppQp/p1R1p3/3p2n1/8/6qp/7B/1b3r2

#2

5 + 15

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Keys
    • 1.Qb2!
      • threat
        • 2.Kg7#
      • 1...Sf3+
        • 2.Kxf7#
      • 1...Se4+
        • 2.Kxh7#
      • 1...Qe5
        • 2.Bxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);P_PINS(j)
    • Threat
      • R(E)+K(D)
    • Vars
      • S(f);CHECK::R(E)+K(D),XP(l)
      • S(f);CHECK::R(E)+K(D),XP(m)
      • Q(c);OGATE::B(A),XQ(c)
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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).