MESON Chess Problem Database

Problem Display
PID: 270598 (KBk2b1R/ppNp1N2/6n1/2r5/2Q5/3r1n2/2q5/7b w - - 0 1)

Juricek, Jan

Sachova skladba, 2022

KBk2b1R/ppNp1N2/6n1/2r5/2Q5/3r1n2/2q5/7b

#2

6 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Rxf8#
    • 1...Sh4
      • 2.Rxf8#
    • 1...Se5
      • 2.Rxf8#
    • 1...Se7
      • 2.Rxf8#
    • 1...b6
      • 2.Qa6#
    • 1...d5
      • 2.Qg4#
    • 1...d6
      • 2.Qe6#
  • Tries
    • 1.Qe4?
      • threat
        • 2.Qxb7#
        • 2.Qe8#
      • 1...Rxc7
        • 2.Qe8#
      • 1...d5
        • 2.Qf5#
        • 2.Qg4#
        • 2.Qe6#
        • 2.Qe8#
      • 1...d6
        • 2.Qe6#
        • 2.Qe8#
      • 1...Qb1
        • 2.Qe8#
      • 1...Qb3
        • 2.Qe8#
      • 1...Qb2
        • 2.Qe8#
      • 1...Qe2
        • 2.Qxb7#
      • 1...Rb3
        • 2.Qe8#
      • 1...Re3
        • 2.Qxb7#
      • 1...Rdd5
        • 2.Qe8#
      • 1...Rb5
        • 2.Qe8#
      • 1...Rcd5
        • 2.Qe8#
      • 1...Re5
        • 2.Qxb7#
      • 1...Rc6
        • 2.Qe8#
      • 1...Se1
        • 2.Qe8#
      • 1...Sg1
        • 2.Qe8#
      • 1...Sd2
        • 2.Qe8#
      • 1...Sh2
        • 2.Qe8#
      • 1...Sd4
        • 2.Qe8#
      • 1...Sfh4
        • 2.Qe8#
      • 1...Sg5
        • 2.Qe8#
      • 1...Sge5
        • 2.Rxf8#
        • 2.Qxb7#
      • 1...Se7
        • 2.Rxf8#
        • 2.Qxb7#
      • 1...b5
        • 2.Qb7#
        • 2.Qe8#
      • 1...b6
        • 2.Qb7#
        • 2.Qe8#
      • 1...Sfe5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sxa7#
      • 1...d5
        • 2.Qg4#
      • 1...d6
        • 2.Qe6#
      • 1...Qa4
        • 2.Qxc5#
      • 1...Qa2
        • 2.Qxc5#
      • 1...Ra3
        • 2.Sbd6#
      • 1...a5
        • 2.Sa7#
      • 1...a6
        • 2.Sa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • S(f);N_GUARD::R(F),XB(k)
    • P(h);OGATEB::QAB(A)
    • P(i);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XS(B)::QAR2(A)
        • Q(b);::QAR2(A)
        • Q(b);::QAB1(A),XP(h)
        • R(c);::QAR2(A)
        • R(c);::QAB1(A),XP(h)
        • R(e);::QAR2(A)
        • R(e);::QAB1(A),XP(h)
        • S(d);::QAR2(A)
      • Refutation
        • S(d);
  • Actual
    • S(B);P_PINR(e)
    • Threat
      • S(B),XP(g)
    • Vars
      • P(i);OGATEB::QAB(A)
      • Q(b);N_GUARD::QAR(A),XR(e)
      • R(c);N_GUARD::S(B)
      • P(g);::S(B)
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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).