MESON Chess Problem Database

Problem Display
PID: 104444 (8/K1Nb4/p1kP4/8/1Pp5/2pN4/BbR2n1B/2Q5 w - - 0 1)

Mladenovic, Slobodan

Sahovski Glasnik, 1988

8/K1Nb4/p1kP4/8/1Pp5/2pN4/BbR2n1B/2Q5

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Qxh1#
    • 1...Sxd3
      • 2.Qh1#
    • 1...Sh3
      • 2.Qh1#
    • 1...Sg4
      • 2.Qh1#
    • 1...cxd3
      • 2.Bd5#
    • 1...a5
      • 2.b5#
  • Tries
    • 1.Rd2?
      • threat
        • 2.Se5#
      • 1...Sxd3
        • 2.Qh1#
      • 1...cxd2
        • 2.Qxc4#
      • 1...cxd3
        • 2.Bd5#
      • 1...Sg4
        • 2.Qh1#
      • 1...c2!
    • 1.Qd1?
      • threat
        • 2.Se5#
      • 1...Sxd3
        • 2.Qf3#
        • 2.Qh1#
      • 1...cxd3
        • 2.Bd5#
      • 1...Sg4
        • 2.Qf3#
        • 2.Qh1#
      • 1...Sxd1!
    • 1.Qh1+?
      • 1...Se4
        • 2.Qxe4#
      • 1...Sxh1!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Se5#
      • 1...Sxd3
        • 2.Qg2#
      • 1...cxd2
        • 2.Rxc4#
      • 1...cxd3
        • 2.Bd5#
      • 1...Sg4
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::QAB(A),XS(b)
    • S(b);N_GUARD,XS(E)::QAB(A)
    • S(b);N_GUARD::QAB(A)
    • P(d);OGATE,P_SPINP(c),XS(E)::B(B)
    • P(e);N_GUARD::P(F)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(E)
      • Vars
        • S(b);N_GUARD,XS(E)::QAB(A)
        • P(c);OGATE,P_SPINP(d),XR(C)::QAR2(A),XP(d)
        • P(d);OGATE,P_SPINP(c),XS(E)::B(B)
        • S(b);N_GUARD::QAB(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • P(d);OGATE,P_SPINP(c),XS(E)::B(B)
      • Refutation
        • S(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAB(A),XS(b)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • S(E)
    • Vars
      • S(b);OGATE,XS(E)::QAB(A)
      • P(c);OGATE,P_SPINP(d),XQ(A)::R(C),XP(d)
      • P(d);OGATE,P_SPINP(c),XS(E)::B(B)
      • S(b);OGATE::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).