MESON Chess Problem Database

Problem Display
PID: 224312 (8/8/2p2p2/2n2kN1/5P1n/6K1/1QP3B1/8 w - - 0 1)

Hirsch, H?

Brownson's Chess Journal, 1887

8/8/2p2p2/2n2kN1/5P1n/6K1/1QP3B1/8

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Bh3#
    • 1...Sb3
      • 2.Be4#
    • 1...Sd3
      • 2.Be4#
    • 1...Sa4
      • 2.Be4#
    • 1...Se4+
      • 2.Bxe4#
    • 1...Sa6
      • 2.Be4#
    • 1...Se6
      • 2.Be4#
    • 1...Sb7
      • 2.Be4#
    • 1...Sd7
      • 2.Be4#
  • Keys
    • 1.Qb7!
      • 1...Se4+
        • 2.Bxe4#
      • 1...Kg6
        • 2.Qh7#
      • 1...Sxg2
        • 2.Qh7#
      • 1...Sxb7
        • 2.Be4#
      • 1...fxg5
        • 2.Qf7#
      • 1...Sf3
        • 2.Qh7#
      • 1...Sg6
        • 2.Bh3#
      • 1...Sb3
        • 2.Be4#
      • 1...Sd3
        • 2.Be4#
      • 1...Sa4
        • 2.Be4#
      • 1...Sa6
        • 2.Be4#
      • 1...Se6
        • 2.Be4#
      • 1...Sd7
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::B(C)
    • S(b);N_GUARD::B(C)
    • S(b);CHECK,N_GUARD::B(C),XS(b)
  • Actual
    • Q(A);
    • Vars
      • S(b);CHECK,N_GUARD::B(C),XS(b)
      • K(c);S_FLIGHT::QAB1(A)
      • S(a);N_GUARD,XB(C)::QAB(A)
      • S(b);N_GUARD,XQ(A)::B(C)
      • P(e);OGATEB,XS(F)::QAR2(A)
      • S(a);N_GUARD::QAB(A)
      • S(a);SBLOCK::B(C)
      • S(b);N_GUARD::B(C)
HTML5 logo

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).