MESON Chess Problem Database

Problem Display
PID: 46268 (8/Bn1Pr3/1P2p3/2k5/B1P5/2KR4/8/8 w - - 0 1)

Wester, Anders Emil

Source?, 0000

8/Bn1Pr3/1P2p3/2k5/B1P5/2KR4/8/8

#2

7 + 4

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Sa5
      • 2.b7#
    • 1...Sd6
      • 2.b7#
    • 1...Sd8
      • 2.b7#
    • 1...e5
      • 2.Rd5#
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qd4#
      • 1...Sxd8
        • 2.b7#
      • 1...Sd6
        • 2.Qxd6#
        • 2.b7#
      • 1...e5
        • 2.Rd5#
        • 2.Qd5#
      • 1...Rd7!
  • Keys
    • 1.d8S!
      • 1...Sxd8
        • 2.b7#
      • 1...Rf7
        • 2.Sxe6#
      • 1...Rc7
        • 2.Sxe6#
        • 2.bxc7#
      • 1...Rd7
        • 2.Sxe6#
      • 1...Rg7
        • 2.Sxe6#
      • 1...Rh7
        • 2.Sxe6#
      • 1...Re8
        • 2.Sxb7#
      • 1...Sa5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...e5
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::B(F)+P(E)
    • P(b);N_GUARD::R1(B)
  • Tries
    • Try
      • P(G);
      • Threat
        • QAB1(G)
      • Vars
        • S(c);OGATE,XQ(G)::B(F)+P(E)
      • Refutation
        • R(d);
  • Actual
    • P(G);
    • Vars
      • S(c);OGATE,XS(G)::B(F)+P(E)
      • R(d);N_GUARD::S(G),XP(b)
      • R(d);N_GUARD::S(G),XS(c)
      • S(c);OGATE::B(F)+P(E)
      • P(b);N_GUARD::R1(B)
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).