MESON Chess Problem Database

Problem Display
PID: 103259 (rrn5/pbk5/P7/2P1p1B1/NQ1NP3/7B/2R5/3K4 w - - 0 1)

Tomasevic, Milos

Mezija, 1994

rrn5/pbk5/P7/2P1p1B1/NQ1NP3/7B/2R5/3K4

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.cxb6#
    • 1...Sd6
      • 2.Qa5#
      • 2.cxd6#
    • 1...Se7
      • 2.Qa5#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Se6#
        • 2.Qd7#
      • 1...exd4
        • 2.Qd7#
      • 1...Se7
        • 2.Qd7#
        • 2.Qa5#
      • 1...Bd5
        • 2.Qd7#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Sd6
        • 2.Qd7#
        • 2.Qa5#
      • 1...Sb6!
  • Keys
    • 1.c6!
      • threat
        • 2.Sb5#
        • 2.Se6#
        • 2.cxb7#
      • 1...Bxa6
        • 2.Se6#
      • 1...Bxc6
        • 2.Rxc6#
      • 1...exd4
        • 2.cxb7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Sb6
        • 2.Sb5#
      • 1...Sd6
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(g);OGATE::R(B)+P(H)DCHECK,XS(g)
    • S(g);N_GUARD::QAB(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XS(F)::QAR1(E)
        • B(c);::QAR1(E)
        • B(c);N_GUARD::QAR1(E),XB(c)
      • Refutation
        • S(g);
  • Actual
    • P(H);
    • Threat
      • DUALS(3)
    • Vars
      • B(c);XP(J)::S(F)
      • B(c);OGATE,P_SPINB(c),XP(H)::R1(B),XB(c)
      • P(a);XS(F)::R(B)+P(H),XB(c)
      • S(g);N_GUARD::QAR2(E),XS(g)
      • S(g);::S(F)
      • S(g);N_GUARD,SBLOCK::QAB(E)
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).