MESON Chess Problem Database

Problem Display
PID: 140988 (1b2n3/2p3p1/6K1/8/4N1Q1/3p4/3p1p2/3rkr2 w - - 0 1)

Tomic, Ziva

Liga Problemista, 1989/2

1b2n3/2p3p1/6K1/8/4N1Q1/3p4/3p1p2/3rkr2

#2

3 + 10

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qxd1#
        • 2.Qe6#
        • 2.Qe4#
      • 1...Rh1
        • 2.Qxd1#
      • 1...Ra1
        • 2.Qe6#
        • 2.Qe4#
      • 1...Rb1
        • 2.Qe6#
        • 2.Qe4#
      • 1...Rc1
        • 2.Qe6#
        • 2.Qe4#
      • 1...Ba7
        • 2.Qxd1#
      • 1...Sd6
        • 2.Qxd1#
      • 1...Sf6
        • 2.Qxd1#
      • 1...c5
        • 2.Qxd1#
        • 2.Qe4#
      • 1...c6
        • 2.Qxd1#
        • 2.Qe4#
      • 1...Rg1!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...Rg1+
        • 2.Sg3#
      • 1...Ke2
        • 2.Sg5#
      • 1...Ra1
        • 2.Sc3#
      • 1...Rb1
        • 2.Sc3#
      • 1...Rc1
        • 2.Sc3#
      • 1...Rh1
        • 2.Sg3#
      • 1...Ba7
        • 2.Sc5#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...c5
        • 2.Sd6#
      • 1...c6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(3)
      • Vars
        • R(c);::QAR1(B),XR(a)
        • B(i);::QAR1(B),XR(a)
        • S(j);::QAR1(B),XR(a)
      • Refutation
        • R(c);P_PINQ(B)
  • Actual
    • Q(B);
    • Threat
      • DUALS(6)
    • Vars
      • R(c);CHECK::QAR(B)+S(A)
      • K(b);P-FLIGHT::QAR(B)+S(A)
      • R(a);::QAR(B)+S(A)
      • R(c);::QAR(B)+S(A)
      • B(i);::QAR(B)+S(A)
      • S(j);::QAR(B)+S(A),XS(j)
      • P(g);::QAR(B)+S(A)
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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).