MESON Chess Problem Database

Problem Display
PID: 194264 (8/4K3/B1N1Q3/4p3/k2bN3/p7/rp1n4/8 w - - 0 1)

Kauder, Jiri

Magyar Sakkvilag, 1917

8/4K3/B1N1Q3/4p3/k2bN3/p7/rp1n4/8

#2

5 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sc3#
    • 1...Bf2
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
      • 2.Sc5#
    • 1...Be3
      • 2.Sc3#
    • 1...Bc5+
      • 2.Sxc5#
    • 1...Bb6
      • 2.Sc3#
    • 1...Ba7
      • 2.Sc3#
    • 1...Sb1
      • 2.Qc4#
    • 1...Sf1
      • 2.Qc4#
    • 1...Sb3
      • 2.Qc4#
    • 1...Sf3
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sxe4
      • 2.Qc4#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Sc5#
      • 1...Bc5+
        • 2.Sxc5#
      • 1...Kb3
        • 2.Qd1#
      • 1...Sxe4
        • 2.Qd1#
      • 1...Sb3
        • 2.Sc3#
      • 1...Sc4
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(f);N_GUARD::S(A)
    • B(f);CHECK,N_GUARD::S(A),XB(f)
    • S(c);N_GUARD::QAR2(D)
    • S(c);N_GUARD::QAR2(D),XS(c)
    • S(c);N_GUARD,XS(A)::QAR2(D)
  • Actual
    • Q(D);
    • Threat
      • S(A)
    • Vars
      • B(f);CHECK::QAR(D)+S(A),DCHECK,XB(f)
      • K(e);S_FLIGHT::QAB(D)
      • S(c);N_GUARD,XS(A)::QAB(D)
      • S(c);SBLOCK::S(A)
      • S(c);N_GUARD::QAB(D)
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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).