MESON Chess Problem Database

Problem Display
PID: 184755 (8/1N1B2B1/3N4/3k4/p7/nR3K2/1n6/2b5 w - - 0 1)

Sander, Svante

Reclam-Sammlung VI, 1908

8/1N1B2B1/3N4/3k4/p7/nR3K2/1n6/2b5

#2

6 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rd3#
    • 1...Sd3
      • 2.Rxd3#
    • 1...Sbc4
      • 2.Rd3#
    • 1...Sb1
      • 2.Rb5#
    • 1...Sc2
      • 2.Rb5#
    • 1...Sac4
      • 2.Rb5#
    • 1...Sb5
      • 2.Rxb5#
  • Tries
    • 1.Sc8?
      • threat
        • 2.Sb6#
      • 1...Kc4
        • 2.Be6#
      • 1...Sbc4
        • 2.Se7#
        • 2.Rd3#
      • 1...Sac4
        • 2.Se7#
        • 2.Rb5#
      • 1...Be3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Be6#
      • 1...Sbxc4
        • 2.Rd3#
      • 1...Saxc4
        • 2.Rb5#
      • 1...Be3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(b);N_GUARD::R(A)
    • S(b);N_GUARD::R(A),XS(b)
    • S(c);N_GUARD::R(A)
    • S(c);N_GUARD::R(A),XS(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • K(e);S_FLIGHT::B(E)
      • Refutation
        • B(a);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT,XS(C)::B(E)
      • S(b);N_GUARD,SBLOCK,XS(C)::R(A)
      • S(c);N_GUARD,SBLOCK,XS(C)::R(A)
      • B(a);N_GUARD::S(C),XB(a)
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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).