MESON Chess Problem Database

Problem Display
PID: 213052 (8/3R4/r1n1p1NK/1N1n1p2/1p2k2p/7p/4B1bQ/2B5 w - - 0 1)

Georgiev, Emil M

Suomen Shakki, 1958

8/3R4/r1n1p1NK/1N1n1p2/1p2k2p/7p/4B1bQ/2B5

#2

7 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Qxh1#
    • 1...Sc3
      • 2.Qf4#
    • 1...Se3
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sb6
      • 2.Qf4#
    • 1...Sf6
      • 2.Qf4#
    • 1...Sc7
      • 2.Qf4#
    • 1...Sde7
      • 2.Qf4#
    • 1...Sd4
      • 2.Qe5#
    • 1...Sa5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sa7
      • 2.Qe5#
    • 1...Sce7
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sd8
      • 2.Qe5#
  • Keys
    • 1.Qg1!
      • threat
        • 2.Sd6#
      • 1...Sc3
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf4
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...Sf6
        • 2.Qe3#
      • 1...Sc7
        • 2.Qe3#
      • 1...Sde7
        • 2.Qe3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sa5
        • 2.Qd4#
      • 1...Se5
        • 2.Qd4#
      • 1...Sa7
        • 2.Qd4#
      • 1...Sce7
        • 2.Qd4#
      • 1...Sb8
        • 2.Qd4#
      • 1...Sd8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 14
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATEB::QAB(C),XB(a)
    • S(f);N_GUARD::QAR1(C)
    • S(f);N_GUARD::QAR1(C),XS(f)
    • S(i);N_GUARD::QAR1(C)
    • S(i);N_GUARD::QAR1(C),XS(i)
  • Actual
    • Q(C);
    • Threat
      • S(D)
    • Vars
      • S(f);N_GUARD::QAR1(C)
      • S(f);N_GUARD::QAR1(C),XS(f)
      • S(i);N_GUARD::QAR1(C),XS(i)
      • S(i);N_GUARD::QAR1(C)
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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).