MESON Chess Problem Database

Problem Display
PID: 180287 (5B2/2p2K2/qPN5/b3p3/2kPPp2/2N2p2/3Pnr2/1Q3B2 w - - 0 1)

Lider, Valentin Viktorovich

1st HM., Scacchi e Scienze Applicate 04. TT, 1987

5B2/2p2K2/qPN5/b3p3/2kPPp2/2N2p2/3Pnr2/1Q3B2

#2

10 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Qxb5#
    • 1...Qb7
      • 2.Qb5#
    • 1...Qc8
      • 2.Qb5#
    • 1...Qa7
      • 2.Qb5#
    • 1...Qa8
      • 2.Qb5#
    • 1...Bxc3
      • 2.d3#
    • 1...exd4
      • 2.Se5#
  • Keys
    • 1.Bh3!
      • threat
        • 2.Be6#
      • 1...Sxc3
        • 2.d3#
      • 1...Sxd4
        • 2.Sxe5#
      • 1...Qb5
        • 2.Qxb5#
      • 1...Qc8
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(h);N_GUARD::QAB1(A),XQ(h)
    • Q(h);N_GUARD::QAB1(A)
    • B(f);SBLOCK,XS(D)::P(C)
    • P(g);SBLOCK,XP(E)::S(H)
  • Actual
    • B(B);N_PINS(a)
    • Threat
      • B(B)
    • Vars
      • S(a);SBLOCK,XS(D)::P(C)
      • S(a);SBLOCK,XP(E)::S(H),XP(g)
      • Q(h);N_GUARD::QAB1(A),XQ(h)
      • Q(h);N_GUARD::QAB1(A)
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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).