MESON Chess Problem Database

Problem Display
PID: 224257 (3K4/N1RB2n1/pnPkbp2/3p2p1/3P1p2/bp6/PN6/2Q1B3 w - - 0 1)

Bossy, Vasile Basile

La Strategie, 1887

3K4/N1RB2n1/pnPkbp2/3p2p1/3P1p2/bp6/PN6/2Q1B3

#2

10 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb2
      • 2.Bb4#
      • 2.Qc5#
    • 1...Bb4
      • 2.Bxb4#
    • 1...Bc5
      • 2.Qxc5#
    • 1...Sa4
      • 2.Sc8#
    • 1...Sc4
      • 2.Sc8#
    • 1...Sxd7
      • 2.Sc8#
    • 1...Sa8
      • 2.Sc8#
    • 1...Sc8
      • 2.Sxc8#
    • 1...f3
      • 2.Bg3#
    • 1...g4
      • 2.Qxf4#
    • 1...a5
      • 2.Sb5#
  • Tries
    • 1.Sc4+?
      • 1...Sxc4
        • 2.Sc8#
      • 1...dxc4!
  • Keys
    • 1.Qe3!
      • 1...Bxb2
        • 2.Bb4#
      • 1...Bxd7
        • 2.Qe7#
      • 1...Sxd7
        • 2.Sc8#
      • 1...bxa2
        • 2.Qxa3#
      • 1...fxe3
        • 2.Bg3#
      • 1...Bb4
        • 2.Bxb4#
      • 1...Bc5
        • 2.dxc5#
      • 1...Bh3
        • 2.Qe7#
      • 1...Bg4
        • 2.Qe7#
      • 1...Bf5
        • 2.Qe7#
      • 1...Bf7
        • 2.Qe7#
      • 1...Bg8
        • 2.Qe7#
      • 1...Sa4
        • 2.Sc8#
      • 1...Sc4
        • 2.Sc8#
      • 1...Sa8
        • 2.Sc8#
      • 1...Sc8
        • 2.Sxc8#
      • 1...Sf5
        • 2.Qxe6#
      • 1...Sh5
        • 2.Qxe6#
      • 1...Se8
        • 2.Qxe6#
      • 1...f3
        • 2.Bg3#
      • 1...g4
        • 2.Qxf4#
      • 1...a5
        • 2.Sb5#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::B(B),XB(a)
    • B(a);N_GUARD::QAB1(A),XB(a)
    • S(g);N_GUARD::S(G)
    • S(g);N_GUARD,XB(I)::S(G)
    • S(g);N_GUARD::S(G),XS(g)
    • P(c);OGATEB::B(B)
    • P(e);N_GUARD::QAB(A),XP(c)
    • P(f);N_GUARD::S(G)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • S(g);XS(D)::S(G)
      • Refutation
        • P(d);XS(D)
  • Actual
    • Q(A);
    • Vars
      • B(a);N_GUARD,XS(D)::B(B)
      • B(i);OGATE,XB(I)::QAB1(A)
      • S(g);N_GUARD,XB(I)::S(G)
      • P(b);OGATE,XP(C)::QAB(A),XB(a)
      • P(c);OGATEB,XQ(A)::B(B)
      • B(a);N_GUARD::B(B),XB(a)
      • B(a);OGATE::P(E),XB(a)
      • B(i);OGATE::QAB1(A)
      • S(g);N_GUARD::S(G)
      • S(g);N_GUARD::S(G),XS(g)
      • S(k);N_GUARD::QAR1(A),XB(i)
      • P(c);OGATEB::B(B)
      • P(e);N_GUARD::QAB(A),XP(c)
      • P(f);N_GUARD::S(G)
      • P(j);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).