MESON Chess Problem Database

Problem Display
PID: 236010 (8/1p1B4/1P1p2R1/n1pkq2R/K1pb3Q/1pP1p1p1/1P2Ppb1/5N1n w - - 0 1)

Burda, Josef

Sachova skladba, 2020

8/1p1B4/1P1p2R1/n1pkq2R/K1pb3Q/1pP1p1p1/1P2Ppb1/5N1n

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Sxe3#
    • 1...Sc6
      • 2.Be6#
  • Tries
    • 1.Qg4?
      • 1...Qxh5
        • 2.Qe6#
      • 1...Bxf1
        • 2.Qf3#
      • 1...Bxc3
        • 2.Sxe3#
      • 1...Qg5
        • 2.Qe6#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bh3
        • 2.Qf3#
      • 1...Be4
        • 2.Qe6#
      • 1...Sc6
        • 2.Be6#
      • 1...Qf5!
  • Keys
    • 1.Qf4!
      • 1...Qxh5
        • 2.Rxd6#
      • 1...Bxf1
        • 2.Qf3#
      • 1...Bxc3
        • 2.Sxe3#
      • 1...Qf5
        • 2.Rxd6#
      • 1...Qg5
        • 2.Rxd6#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bh3
        • 2.Qf3#
      • 1...Be4
        • 2.Qf7#
      • 1...Sc6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD,XP(D)::S(A),XP(e)
    • S(i);SBLOCK::B(J)
  • Tries
    • Try
      • Q(F);
      • Vars
        • Q(l);N_SPINQ(l),XR(G)::QAB1(F)
        • B(c);N_GUARD,XS(A)::QAB(F)
        • B(h);N_GUARD,XP(D)::S(A),XP(e)
        • Q(l);::QAB1(F)
        • B(c);N_GUARD::QAB(F),XB(c)
        • B(c);N_GUARD::QAB(F)
        • B(c);SBLOCK::QAB1(F)
        • S(i);SBLOCK::B(J)
      • Refutation
        • Q(l);
  • Actual
    • Q(F);
    • Vars
      • Q(l);N_SPINQ(l),XR(G)::R1(I),XP(m)
      • B(c);N_GUARD,XS(A)::QAB(F)
      • B(h);N_GUARD,XP(D)::S(A),XP(e)
      • Q(l);::R1(I),XP(m)
      • B(c);N_GUARD::QAB(F),XB(c)
      • B(c);N_GUARD::QAB(F)
      • B(c);SBLOCK::QAB(F)
      • S(i);SBLOCK::B(J)
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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).