MESON Chess Problem Database

Problem Display
PID: 47242 (8/8/4p3/1nK1P1pb/1PRpk1p1/3pN1Qp/3P3B/8 w - - 0 1)

Bajtay, Jozsef

Themes-64, 1956

8/8/4p3/1nK1P1pb/1PRpk1p1/3pN1Qp/3P3B/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bg6
      • 2.Qxg4#
    • 1...Bf7
      • 2.Qxg4#
    • 1...Be8
      • 2.Qxg4#
    • 1...Sa3
      • 2.Rxd4#
    • 1...Sc3
      • 2.Rxd4#
    • 1...Sd6
      • 2.Rxd4#
    • 1...Sa7
      • 2.Rxd4#
    • 1...Sc7
      • 2.Rxd4#
  • Tries
    • 1.Kxb5?
      • 1...Bg6
        • 2.Qxg4#
      • 1...Bf7
        • 2.Qxg4#
      • 1...Be8+!
  • Keys
    • 1.Sf5!
      • 1...Kxf5
        • 2.Qxd3#
      • 1...exf5
        • 2.Qe3#
      • 1...Sa3
        • 2.Sd6#
      • 1...Bg6
        • 2.Qxg4#
      • 1...Bf7
        • 2.Qxg4#
      • 1...Be8
        • 2.Qxg4#
      • 1...Sc3
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 5
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD::QAR2(D),XP(e)
    • S(f);N_GUARD::R1(F),XP(c)
  • Tries
    • Try
      • K(G);P-FLIGHT,XS(f)
      • Vars
        • B(h);N_GUARD::QAR2(D),XP(e)
      • Refutation
        • B(h);CHECK
  • Actual
    • S(C);
    • Vars
      • K(d);N_SPINP(c),S_FLIGHT,XS(C)::QAB(D),XP(a)
      • P(i);SBLOCK,XS(C)::QAR1(D)
      • S(f);N_GUARD::S(C)
      • B(h);N_GUARD::QAR2(D),XP(e)
      • S(f);N_GUARD::S(C),XS(f)
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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).