MESON Chess Problem Database

Problem Display
PID: 142120 (2B5/8/1p4pK/4p1P1/2p2k1p/B1P1p1NR/1Qp3P1/4Nbr1 w - - 0 1)

Banny, Dimitry Nikolaevich

Thema Danicum, 1996

2B5/8/1p4pK/4p1P1/2p2k1p/B1P1p1NR/1Qp3P1/4Nbr1

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qc1#
    • 1...hxg3
      • 2.Rh4#
    • 1...e4
      • 2.Bd6#
  • Tries
    • 1.Qxc2?
      • threat
        • 2.Qe4#
      • 1...Bxg2
        • 2.Se2#
      • 1...hxg3
        • 2.Rh4#
      • 1...e4
        • 2.Bd6#
        • 2.Qxe4#
      • 1...Bd3!
    • 1.Qxb6?
      • threat
        • 2.Qf6#
      • 1...hxg3
        • 2.Rh4#
      • 1...e2
        • 2.Bc1#
        • 2.Qf2#
      • 1...Bd3!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qf8#
      • 1...hxg3
        • 2.Rh4#
      • 1...e2
        • 2.Bc1#
      • 1...e4
        • 2.Qd6#
      • 1...Bd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB::QAB(B)
    • P(g);SBLOCK,XS(F)::R(G)
    • P(h);OGATEB::B(D)
  • Tries
    • Try
      • Q(B);XP(c)
      • Threat
        • QAR1(B)
      • Vars
        • B(a);N_GUARD,XP(C)::S(F)
        • P(g);SBLOCK,XS(F)::R(G)
      • Refutation
        • B(a);
    • Try
      • Q(B);XP(i)
      • Threat
        • QAR2(B)
      • Vars
        • P(g);SBLOCK,XS(F)::R(G)
      • Refutation
        • B(a);
  • Actual
    • Q(B);P_PINP(e)
    • Threat
      • QAR(B)
    • Vars
      • P(g);SBLOCK,XS(F)::R(G)
      • P(d);OGATEB::B(D)
      • P(h);N_SPINP(e),OGATEB::QAB(B)
      • B(a);N_GUARD::S(A),XB(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).