MESON Chess Problem Database

Problem Display
PID: 87680 (nR6/rn2Q2K/pbR5/1kNP4/2p5/2B5/B7/8 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Problemista, 1966

nR6/rn2Q2K/pbR5/1kNP4/2p5/2B5/B7/8

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Bb3!
      • threat
        • 2.Ba4#
      • 1...Bxc5
        • 2.Qxc5#
      • 1...Sxc5
        • 2.Rxc5#
      • 1...cxb3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(A);
    • Threat
      • B(A)
    • Vars
      • B(d);OGATE,P_SPINS(f),XS(C)::QAR1(F),XB(d)
      • S(f);OGATE,P_PINQ(F),P_SPINB(d),XS(C)::R1(E),XS(f)
      • P(a);OGATEB,XB(A)::QAB(F)
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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).