MESON Chess Problem Database

Problem Display
PID: 104527 (7k/4KBp1/n2p3p/6N1/8/6p1/4Q3/8 w - - 0 1)

Nesic, Milivoj S

Grin JT, 1996

7k/4KBp1/n2p3p/6N1/8/6p1/4Q3/8

#2

4 + 6

6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...hxg5
      • 2.Qh5#
    • 1...h5
      • 2.Qxh5#
    • 1...g6
      • 2.Qb2#
  • Tries
    • 1.Kxd6?
      • threat
        • 2.Qe8#
      • 1...hxg5
        • 2.Qh5#
      • 1...g6
        • 2.Qb2#
        • 2.Qe5#
      • 1...Sc7!
    • 1.Kd8?
      • threat
        • 2.Qe8#
      • 1...hxg5
        • 2.Qh5#
      • 1...g6
        • 2.Qb2#
      • 1...Sc7!
    • 1.Qd3?
      • threat
        • 2.Qh7#
      • 1...g6
        • 2.Qc3#
        • 2.Qd4#
      • 1...hxg5!
    • 1.Qg4?
      • threat
        • 2.Qc8#
      • 1...hxg5
        • 2.Qh3#
        • 2.Qh5#
      • 1...g6
        • 2.Qd4#
      • 1...Sc7!
    • 1.Qxa6?
      • threat
        • 2.Qc8#
        • 2.Qa8#
      • 1...g6
        • 2.Qa1#
      • 1...hxg5!
    • 1.Qc2?
      • threat
        • 2.Qh7#
        • 2.Qc8#
      • 1...g6
        • 2.Qb2#
        • 2.Qc3#
      • 1...Sc7
        • 2.Qh7#
      • 1...Sc5
        • 2.Qh7#
      • 1...hxg5!
    • 1.Qe6?
      • threat
        • 2.Qc8#
      • 1...hxg5
        • 2.Qh3#
      • 1...g6
        • 2.Qf6#
      • 1...Sc7!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qh7#
      • 1...hxg5
        • 2.Qh1#
      • 1...g6
        • 2.Qd4#

Anticipated by 138168(1964)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB,XS(B)::QAR(A)
    • P(d);OGATEB::QAR(A),XP(d)
    • P(e);OGATEB::QAB(A)
  • Tries
    • Try
      • K(C);S_FLIGHT,XP(c)
      • Threat
        • QAR(A)
      • Vars
        • P(d);OGATEB,XS(B)::QAR(A)
      • Refutation
        • S(b);
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAR(A)
      • Vars
        • P(d);OGATEB,XS(B)::QAR(A)
        • P(e);OGATEB::QAB(A)
      • Refutation
        • S(b);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Refutation
        • P(d);XS(B)
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • P(e);OGATEB::QAB(A)
      • Refutation
        • S(b);
    • Try
      • Q(A);XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);OGATEB::QAB(A)
      • Refutation
        • P(d);XS(B)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAR1(A)
      • Refutation
        • P(d);XS(B)
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • P(d);OGATEB,XS(B)::QAR(A)
        • P(e);OGATEB::QAB(A)
      • Refutation
        • S(b);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(d);OGATEB,XS(B)::QAB(A)
      • P(e);OGATEB::QAB(A)
HTML5 logo

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).