MESON Chess Problem Database

Problem Display
PID: 51348 (5N2/R2R2K1/5PB1/r3k1p1/4n3/4Q1p1/p7/qb2b1B1 w - - 0 1)

Rendall, JL

Manchester Guardian, 1958

5N2/R2R2K1/5PB1/r3k1p1/4n3/4Q1p1/p7/qb2b1B1

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Rxa5#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qf5#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sd2
        • 2.Rxa5#
      • 1...Sf2
        • 2.Qxg3#
      • 1...Sc3
        • 2.Bd4#
      • 1...Sc5
        • 2.Rd5#
      • 1...Sd6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD::R(E),XR(g)
  • Actual
    • Q(B);N_PINS(f)
    • Threat
      • QAR1(B)
    • Vars
      • S(f);OGATE,XP(C)::QAB1(B),XS(f)
      • S(f);N_GUARD,S_CUTB(c)::R(E),XR(g)
      • S(f);N_GUARD,S_CUTB(c)::QAB(B),XP(e)
      • S(f);S_CUTQ(a)::B(A)
      • S(f);S_CUTR(g)::R1(F)
      • S(f);SBLOCK::R(F)
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).