MESON Chess Problem Database

Problem Display
PID: 170219 (b7/8/Q2N2K1/2pk1Pn1/1b4N1/4P3/2Pn4/8 w - - 0 1)

Kupper, Josef

Tages-Anzeiger, 2005

b7/8/Q2N2K1/2pk1Pn1/1b4N1/4P3/2Pn4/8

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qd3#
    • 1...Sb1
      • 2.c4#
    • 1...Sf1
      • 2.c4#
    • 1...Sb3
      • 2.c4#
    • 1...Sdf3
      • 2.c4#
    • 1...Sde4
      • 2.c4#
  • Keys
    • 1.Se4!
      • threat
        • 2.Sef6#
      • 1...Kxe4
        • 2.Qxa8#
      • 1...Sdxe4
        • 2.c4#
      • 1...Sgxe4
        • 2.Qe6#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Bc6
        • 2.Qd3#
      • 1...Sh7
        • 2.Qe6#
      • 1...c4
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(f);SBLOCK::QAR2(E)
    • S(a);N_GUARD::P(A)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);S_FLIGHT,XS(F)::QAB(E),XB(f)
      • S(a);N_GUARD,SBLOCK,XS(F)::P(A)
      • S(e);N_GUARD,XS(F)::QAB1(E)
      • B(b);N_GUARD::S(F),XB(b)
      • B(f);SBLOCK::QAR2(E)
      • S(e);N_GUARD::QAB1(E)
      • P(c);SBLOCK::QAB(E),XB(f)
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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).