MESON Chess Problem Database

Problem Display
PID: 22537 (8/1p3p2/4p3/1K3p2/pN1kN3/2ppp1B1/8/7Q w - - 0 1)

Sorensen, Flemming Rosenberg

Arhus Stiftstidende, 1982

8/1p3p2/4p3/1K3p2/pN1kN3/2ppp1B1/8/7Q

#2

5 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2+?
      • 1...Kd5
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sxc3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...dxc2!
    • 1.Sc6+?
      • 1...Kd5
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sxc3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...bxc6+!
  • Keys
    • 1.Sc5!
      • 1...c2
        • 2.Qa1#
      • 1...e2
        • 2.Qg1#
      • 1...f4
        • 2.Qe4#
      • 1...d2
        • 2.Sc2#
      • 1...a3
        • 2.Sb3#
      • 1...e5
        • 2.Qd5#
      • 1...b6
        • 2.Sc6#
      • 1...f6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(b);XS(C)
    • Try
      • S(C);CHECK
      • Refutation
        • P(h);CHECK,XS(C)
  • Actual
    • S(D);
    • Vars
      • P(a);OGATEB::QAB(A)
      • P(c);OGATEB::QAB(A)
      • P(f);N_GUARD::QAR1(A)
      • P(b);N_GUARD::S(C)
      • P(d);N_GUARD::S(D)
      • P(g);N_GUARD::QAR1(A)
      • P(h);N_GUARD::S(C)
      • P(i);N_GUARD::S(D),XP(g)
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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).