MESON Chess Problem Database

Problem Display
PID: 234363 (2R5/8/KP3B2/1NP5/pk2p3/p7/Pn1n3r/b1R1N3 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Schach-Aktiv, 2010

2R5/8/KP3B2/1NP5/pk2p3/p7/Pn1n3r/b1R1N3

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sbc4
      • 2.Sc2#
    • 1...Sdc4
      • 2.Bc3#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sc6#
      • 1...Sbc4
        • 2.Sdc2#
      • 1...Sdc4!
    • 1.Sd6?
      • threat
        • 2.Sc2#
        • 2.Bc3#
      • 1...Rh3
        • 2.Sc2#
      • 1...Sd1
        • 2.Sc2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sbc4
        • 2.Sc2#
      • 1...Sf1
        • 2.Bc3#
      • 1...Sb3
        • 2.Bc3#
      • 1...Sf3
        • 2.Bc3#
      • 1...Sdc4
        • 2.Bc3#
      • 1...Sb1!
    • 1.Rc4+?
      • 1...Sbxc4
        • 2.Sc2#
      • 1...Sdxc4
        • 2.Bc3#
      • 1...Kxc4!
  • Keys
    • 1.Sa7!
      • threat
        • 2.Sc6#
      • 1...Sbc4
        • 2.Sc2#
      • 1...Sdc4
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::S(B)
    • S(c);SBLOCK::B(H)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(b);SBLOCK::S(D)
      • Refutation
        • S(c);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::S(B)
        • S(b);::S(B)
        • S(c);::B(H)
      • Refutation
        • S(c);
    • Try
      • R(A);CHECK
      • Vars
        • S(b);SBLOCK,XR(A)::S(B)
        • S(c);SBLOCK,XR(A)::B(H)
      • Refutation
        • K(g);P-FLIGHT,XR(A)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • S(b);SBLOCK::S(B)
      • S(c);SBLOCK::B(H)
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).