MESON Chess Problem Database

Problem Display
PID: 135409 (8/2R5/5pQ1/3pp3/2P1P3/3k2K1/R7/3N4 w - - 0 1)

Rothwell, Stephen

Badische Neueste Nachrichten, 1999

8/2R5/5pQ1/3pp3/2P1P3/3k2K1/R7/3N4

#2

7 + 4

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rd2#
    • 1...dxc4
      • 2.Rd7#
  • Tries
    • 1.Qg4?
      • 1...Kd4
        • 2.Rd2#
      • 1...dxc4
        • 2.Rd7#
      • 1...dxe4
        • 2.Qd7#
      • 1...d4
        • 2.Qe2#
        • 2.Qf3#
      • 1...f5!
    • 1.cxd5?
      • 1...Kd4
        • 2.Rd2#
      • 1...f5!
  • Keys
    • 1.Qf5!
      • 1...Kd4
        • 2.Rd2#
      • 1...dxc4
        • 2.Rd7#
      • 1...dxe4
        • 2.Qd7#
      • 1...d4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
    • P(b);OGATEB,SBLOCK,XP(D)::R(G)
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • P(b);OGATEB,SBLOCK,XP(D)::R(G)
        • P(b);OGATEB,SBLOCK,XP(E)::QAR(F)
      • Refutation
        • P(d);
    • Try
      • P(D);XP(b)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(d);
  • Actual
    • Q(F);
    • Vars
      • K(a);P-FLIGHT::R(B)
      • P(b);OGATEB,SBLOCK,XP(D)::R(G)
      • P(b);OGATEB,P_SPINP(b),SBLOCK,XP(E)::QAR(F)
      • P(b);SBLOCK::QAR2(F)
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).