MESON Chess Problem Database

Problem Display
PID: 125005 (8/QK3N2/1p6/3p3r/1p1nk1B1/3p2P1/2p5/5bB1 w - - 0 1)

Vatarescu, Paul

Source?, 0000

8/QK3N2/1p6/3p3r/1p1nk1B1/3p2P1/2p5/5bB1

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sd6#
    • 1...b5
      • 2.Qxd4#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qxd4#
      • 1...Se2
        • 2.Sd6#
      • 1...Sb3
        • 2.Sd6#
      • 1...Sf3
        • 2.Sd6#
      • 1...Sf5
        • 2.Qe5#
      • 1...Sc6
        • 2.Sd6#
      • 1...Se6
        • 2.Sd6#
      • 1...Sb5!
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Qxd4#
      • 1...Se2
        • 2.Qe3#
      • 1...Sb3
        • 2.Qe3#
      • 1...Sf3
        • 2.Qe3#
      • 1...Sb5
        • 2.Qe3#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sc6
        • 2.Qe3#
      • 1...Se6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(h);SBLOCK::S(F)
    • P(i);OGATE::QAR1(D),XS(e)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR1(D),XS(e)
      • Vars
        • S(e);::S(F)
        • S(e);OGATE::QAR1(D)
      • Refutation
        • S(e);
  • Actual
    • Q(D);XP(i)
    • Threat
      • QAR1(D),XS(e)
    • Vars
      • S(e);OGATE::QAR1(D)
      • S(e);N_GUARD,S_CUTR(h)::QAR2(D)
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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).