MESON Chess Problem Database

Problem Display
PID: 68371 (5qb1/pPb5/KNR2N2/pn6/1kpp4/1p6/1P4Q1/r1r5 w - - 0 1)

Vatarescu, Paul

Chess, 1949

5qb1/pPb5/KNR2N2/pn6/1kpp4/1p6/1P4Q1/r1r5

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Sfxd5#
    • 1...Bh7
      • 2.Sfd5#
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qxb5#
      • 1...Bxd5
        • 2.Sfxd5#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Sa3
        • 2.Qxa5#
      • 1...Sc3
        • 2.Rxc4#
      • 1...Sd6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(l);N_GUARD::S(F),XB(l)
    • B(l);N_GUARD::S(F)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XS(h)
    • Vars
      • B(l);XQ(B)::S(F),XB(l)
      • Q(k);N_GUARD::QAB1(B),XQ(k)
      • S(h);OGATE::QAB1(B),XP(g)
      • S(h);S_CUTR(b)::R1(E),XP(e)
      • S(h);S_CUTQ(k)::QAB1(B)
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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).