MESON Chess Problem Database

Problem Display
PID: 65703 (8/1p3n1r/6p1/Q3pNB1/3Nk2p/2P5/1n2BR1K/1r1b4 w - - 0 1)

Krivenko, Valery Aleksinovich

Sp. HM., Phenix, 1996

8/1p3n1r/6p1/Q3pNB1/3Nk2p/2P5/1n2BR1K/1r1b4

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sh6
      • 2.Sd6#
    • 1...Sd8
      • 2.Sd6#
    • 1...Sh8
      • 2.Sd6#
    • 1...h3
      • 2.Sg3#
    • 1...exd4
      • 2.Rf4#
    • 1...b5
      • 2.Qa8#
    • 1...b6
      • 2.Qa8#
  • Tries
    • 1.Bc4?
      • threat
        • 2.Qd5#
      • 1...b5
        • 2.Qa8#
      • 1...Sxc4!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Re3#
      • 1...Sxg5
        • 2.Sd6#
      • 1...exd4
        • 2.Rf4#
      • 1...b5
        • 2.Qa8#
      • 1...Sc4
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(i);N_GUARD::S(G),XS(i)
    • S(i);N_GUARD::S(G)
    • P(e);N_GUARD::S(G)
    • P(f);N_GUARD,XS(E)::R1(B)
    • P(h);OGATEB::QAB(F)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAB1(F)
      • Vars
        • P(h);OGATEB::QAB(F)
      • Refutation
        • S(c);XB(A)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • S(i);N_GUARD,XB(H)::S(G)
      • P(f);N_GUARD,XS(E)::R1(B)
      • P(h);OGATEB::QAB(F)
      • S(c);N_GUARD::B(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).