MESON Chess Problem Database

Problem Display
PID: 12208 (8/1Q3K1p/8/2N2N2/7r/5p1B/4kn2/r2nBR2 w - - 0 1)

Velimirovic, Milan

3rd Prize, Mat, 1976

8/1Q3K1p/8/2N2N2/7r/5p1B/4kn2/r2nBR2

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Qxf3#
    • 1...Sd3
      • 2.Qxf3#
    • 1...Sxh3
      • 2.Qxf3#
    • 1...Se4
      • 2.Qb5#
    • 1...Sg4
      • 2.Qxf3#
      • 2.Qb5#
  • Tries
    • 1.Rxf2+?
      • 1...Kxe1
        • 2.Sd3#
      • 1...Sxf2!
    • 1.Qb5+?
      • 1...Sd3
        • 2.Qxd3#
      • 1...Rc4!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Re1#
      • 1...Sxc3
        • 2.Qb2#
      • 1...Sxh3
        • 2.Qxf3#
      • 1...Sb2
        • 2.Qxb2#
      • 1...Se3
        • 2.Sg3#
      • 1...Sh1
        • 2.Qxf3#
      • 1...Sd3
        • 2.Qxf3#
      • 1...Se4
        • 2.Qb5#
      • 1...Sg4
        • 2.Qxf3#
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);::QAB1(F),XP(e)
    • S(d);XB(C)::QAB1(F),XP(e)
    • S(d);N_GUARD,S_CUTR(f)::QAB(F)
  • Tries
    • Try
      • R(B);CHECK,XS(d)
      • Vars
        • K(c);P-FLIGHT,XB(A)::S(D)
      • Refutation
        • S(b);XR(B)
    • Try
      • Q(F);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::QAB1(F),XS(d)
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • B(A);
    • Threat
      • R1(B)
    • Vars
      • S(b);N_GUARD,XB(A)::QAR(F)
      • S(d);XB(C)::QAB1(F),XP(e)
      • S(b);N_GUARD::QAR(F),XS(b)
      • S(b);SBLOCK::S(E)
      • S(d);::QAB1(F),XP(e)
      • S(d);N_GUARD,S_CUTR(f)::QAB(F)
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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).