MESON Chess Problem Database

Problem Display
PID: 18809 (3B4/p4p2/P1Bk1P2/N5N1/1p1P2P1/1p4P1/1Pp1p1p1/2RQR1Kb w - - 0 1)

Gruber, Bratoljub

3rd Prize, Partizana TT, 1958

3B4/p4p2/P1Bk1P2/N5N1/1p1P2P1/1p4P1/1Pp1p1p1/2RQR1Kb

#2

14 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...cxd1Q
      • 2.Sb7#
    • 1...cxd1S
      • 2.Sb7#
    • 1...cxd1B
      • 2.Sb7#
    • 1...cxd1R
      • 2.Sb7#
    • 1...exd1Q
      • 2.Sxf7#
    • 1...exd1S
      • 2.Sxf7#
    • 1...exd1B
      • 2.Sxf7#
    • 1...exd1R
      • 2.Sxf7#
  • Tries
    • 1.Bb6?
      • 1...cxd1Q
        • 2.Sb7#
      • 1...cxd1S
        • 2.Sb7#
      • 1...cxd1B
        • 2.Sb7#
      • 1...cxd1R
        • 2.Sb7#
      • 1...exd1Q
        • 2.Sxf7#
      • 1...exd1S
        • 2.Sxf7#
      • 1...exd1B
        • 2.Sxf7#
      • 1...exd1R
        • 2.Sxf7#
      • 1...axb6!
  • Keys
    • 1.d5!
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Sc4#
      • 1...cxd1Q
        • 2.Sxf7#
      • 1...cxd1S
        • 2.Sxf7#
      • 1...cxd1B
        • 2.Sxf7#
      • 1...cxd1R
        • 2.Sxf7#
      • 1...exd1Q
        • 2.Sb7#
      • 1...exd1S
        • 2.Sb7#
      • 1...exd1B
        • 2.Sb7#
      • 1...exd1R
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 8
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);P_PINR(C),XQ(B)::S(I)
    • P(b);XQ(B)::S(I)
    • P(c);P_PINR(C),XQ(B)::S(J),XP(i)
    • P(c);XQ(B)::S(J),XP(i)
  • Tries
    • Try
      • B(N);
      • Vars
        • P(b);P_PINR(C),XQ(B)::S(I)
        • P(b);XQ(B)::S(I)
        • P(c);P_PINR(C),XQ(B)::S(J),XP(i)
        • P(c);XQ(B)::S(J),XP(i)
      • Refutation
        • P(h);XB(N)
  • Actual
    • P(G);
    • Vars
      • K(g);P_SPINP(b),S_FLIGHT::S(J)
      • K(g);P_SPINP(c),S_FLIGHT::S(I)
      • P(b);P_PINR(C),XQ(B)::S(J),XP(i)
      • P(b);XQ(B)::S(J),XP(i)
      • P(c);P_PINR(C),XQ(B)::S(I)
      • P(c);XQ(B)::S(I)
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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).