MESON Chess Problem Database

Problem Display
PID: 264152 (8/1n3N2/4BP2/4B3/4kp2/1NR2n2/8/7K w - - 0 1)

Willemsens, Luis Cornelis

Tijdschrift vd KNSB, 1955

8/1n3N2/4BP2/4B3/4kp2/1NR2n2/8/7K

#2

7 + 4

5454 Near Snap 2022
6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sd2#
    • 1...Sg1
      • 2.Sd2#
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sh2
      • 2.Sd2#
    • 1...Sd4
      • 2.Sd2#
    • 1...Sh4
      • 2.Sd2#
    • 1...Sxe5
      • 2.Sg5#
    • 1...Sg5
      • 2.Sd2#
    • 1...Sa5
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sd6
      • 2.Sc5#
    • 1...Sd8
      • 2.Sc5#
  • Keys
    • 1.Bd4!
      • 1...Sxd4
        • 2.Sd2#
      • 1...Se1
        • 2.Sg5#
      • 1...Sg1
        • 2.Sg5#
      • 1...Sd2
        • 2.Sg5#
      • 1...Sh2
        • 2.Sg5#
      • 1...Sh4
        • 2.Sg5#
      • 1...Se5
        • 2.Sg5#
      • 1...Sg5
        • 2.Sxg5#
      • 1...Sa5
        • 2.Sd6#
      • 1...Sc5
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#

Anticipated by 107910(1949)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 10
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD,SBLOCK,XB(D)::S(G)
    • S(d);N_GUARD::S(B)
    • S(d);N_GUARD::S(B),XS(d)
  • Actual
    • B(D);
    • Vars
      • S(a);N_GUARD,SBLOCK,XB(D)::S(B)
      • S(a);N_GUARD::S(G)
      • S(a);N_GUARD::S(G),XS(a)
      • S(d);N_GUARD::S(G)
      • S(d);N_GUARD::S(G),XS(d)
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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).