MESON Chess Problem Database

Problem Display
PID: 40670 (6K1/n1B1R1N1/1P1N4/5p2/1QPk4/1P1pr1nb/5P1q/2b5 w - - 0 1)

Buglos, Janos

The Problemist Supplement, 2001

6K1/n1B1R1N1/1P1N4/5p2/1QPk4/1P1pr1nb/5P1q/2b5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.fxe3#
    • 1...Ba3
      • 2.fxe3#
    • 1...Sb5
      • 2.Sxb5#
    • 1...Sc6
      • 2.Sb5#
    • 1...Sc8
      • 2.Sb5#
  • Tries
    • 1.Se6+?
      • 1...Ke5
        • 2.Qc3#
      • 1...Rxe6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qc3#
        • 2.Qc5#
        • 2.Qd6#
      • 1...Rxe4
        • 2.Rd7#
      • 1...Sxe4
        • 2.Se6#
      • 1...fxe4
        • 2.Be5#
      • 1...d2
        • 2.Qd6#
      • 1...Bb2
        • 2.Qc5#
        • 2.Qd6#
      • 1...Bd2
        • 2.Qc5#
        • 2.Qd6#
      • 1...Ba3
        • 2.Qc3#
      • 1...Sf1
        • 2.Qc3#
        • 2.Qc5#
      • 1...Sh1
        • 2.Qc3#
        • 2.Qc5#
      • 1...Se2
        • 2.Qc5#
      • 1...Sh5
        • 2.Qc3#
        • 2.Qc5#
      • 1...Sb5
        • 2.Qc5#
      • 1...Sc8
        • 2.Qc3#
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::P(A),XR(d)
    • S(i);N_GUARD::S(F),XS(i)
    • S(i);N_GUARD::S(F)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(g);S_FLIGHT::QAB(C)
      • Refutation
        • R(d);XS(I)
  • Actual
    • S(F);
    • Threat
      • DUALS(3)
    • Vars
      • R(d);SBLOCK,XS(F)::R(H)
      • S(e);SBLOCK,XS(F)::S(I)
      • P(h);SBLOCK,XS(F)::B(G)
      • P(c);::QAR2(C)
      • B(a);::QAB1(C)
      • S(e);::QAB1(C)
      • S(i);::QAB1(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).