MESON Chess Problem Database

Problem Display
PID: 210896 (1q1n1r1n/2P1P2Q/6Nb/2B1P3/5p2/2k5/Pp2B1R1/1K3N2 w - - 0 1)

Burda, Josef

Sachova skladba, 2017

1q1n1r1n/2P1P2Q/6Nb/2B1P3/5p2/2k5/Pp2B1R1/1K3N2

#2

11 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf8?
      • threat
        • 2.Qc2#
        • 2.Qd3#
      • 1...Qb3
        • 2.Qd3#
      • 1...Qb5
        • 2.Qc2#
      • 1...Sg6!
    • 1.Sxh8?
      • threat
        • 2.Qc2#
        • 2.Qd3#
      • 1...Qb3
        • 2.Qd3#
      • 1...Qb5
        • 2.Qc2#
      • 1...Rf5!
    • 1.cxb8Q?
      • threat
        • 2.Qxb2#
        • 2.Qb3#
        • 2.Qb4#
      • 1...Sc6
        • 2.Qxb2#
        • 2.Qb3#
      • 1...Sb7!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Sd5#
        • 2.Rg3#
        • 2.Qc2#
        • 2.Qd3#
      • 1...Rxf4
        • 2.Qc2#
        • 2.Qd3#
      • 1...Bxf4
        • 2.Qc2#
        • 2.Qd3#
      • 1...Qb3
        • 2.Rg3#
        • 2.Qd3#
      • 1...Qb5
        • 2.Sd5#
        • 2.Qc2#
      • 1...Qb7
        • 2.Qc2#
        • 2.Qd3#
      • 1...Qa8
        • 2.Qc2#
        • 2.Qd3#
      • 1...Rf5
        • 2.Sd5#
        • 2.Rg3#
      • 1...Rg8
        • 2.Sd5#
        • 2.Qc2#
        • 2.Qd3#
      • 1...Sg6
        • 2.Sd5#
        • 2.Rg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);XR(g)
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);::QAR1(K)
      • Refutation
        • S(h);
    • Try
      • S(H);XS(h)
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);::QAR1(K)
      • Refutation
        • R(g);
    • Try
      • P(I);XQ(e)
      • Threat
        • DUALS(3)
      • Refutation
        • S(f);
  • Actual
    • S(H);XP(c)
    • Threat
      • DUALS(4)
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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).