MESON Chess Problem Database

Problem Display
PID: 69274 (8/8/1K6/np6/2k5/2B2Q2/p1B2n2/8 w - - 0 1)

van Beek, Huibrecht

Tijdschrift vd NSB, 1897

8/8/1K6/np6/2k5/2B2Q2/p1B2n2/8

#2

4 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qd3#
    • 1...Sh1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sh3
      • 2.Qd3#
    • 1...Se4
      • 2.Qd3#
    • 1...Sg4
      • 2.Qd3#
    • 1...Sc6
      • 2.Qxc6#
  • Keys
    • 1.Ba1!
      • 1...Kb4
        • 2.Qc3#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sd1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sh3
        • 2.Qe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sb3
        • 2.Qxb3#
      • 1...Sc6
        • 2.Qb3#
      • 1...Sb7
        • 2.Qb3#
      • 1...b4
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 7
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAB1(C)
    • S(b);N_GUARD::QAB1(C),XS(b)
    • S(d);N_GUARD::QAR2(C),XS(d)
  • Actual
    • B(B);
    • Vars
      • K(c);P-FLIGHT::QAB1(C)
      • S(b);N_GUARD::QAR2(C),XS(b)
      • S(b);N_GUARD::QAR2(C)
      • S(d);N_GUARD::QAB1(C),XS(d)
      • S(d);N_GUARD::QAB1(C)
      • P(e);SBLOCK::QAB(C)
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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).