MESON Chess Problem Database

Problem Display
PID: 136373 (4Q3/1n3p2/2BP4/1pBK1ppr/R6b/1Ppp1k2/1p4n1/1b1N2RN w - - 0 1)

Clark, Cecil Henry Douglas

The Chess Problem, 1946

4Q3/1n3p2/2BP4/1pBK1ppr/R6b/1Ppp1k2/1p4n1/1b1N2RN

#2

10 + 13

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qe3#
    • 1...Se3+
      • 2.Qxe3#
    • 1...Sxc5
      • 2.Kxc5#
    • 1...Sxd6
      • 2.Kxd6#
  • Keys
    • 1.Rf1+!
      • 1...Bf2
        • 2.Rxf2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::QAR1(J)
    • S(c);CHECK,N_GUARD::QAR1(J),XS(c)
    • S(l);XB(F)::B(H)+K(G),XS(l)
    • S(l);XP(I)::B(H)+K(G),XS(l)
  • Actual
    • R(B);CHECK
    • Vars
      • B(g);N_GUARD,P_SPINB(g)::R1(B),XB(g)
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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).