MESON Chess Problem Database

Problem Display
PID: 232487 (5n2/Q5bp/p2KPpb1/r1PP1p2/1n1p1k2/3r1P1R/6R1/6B1 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2011

5n2/Q5bp/p2KPpb1/r1PP1p2/1n1p1k2/3r1P1R/6R1/6B1

#2

9 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Bh2#
    • 1...Rxf3
      • 2.Rh4#
  • Tries
    • 1.Qb8?
      • threat
        • 2.Ke7#
      • 1...Rxf3
        • 2.Rh4#
      • 1...Rxc5
        • 2.Kxc5#
      • 1...Sxd5
        • 2.Kxd5#
      • 1...Sxe6
        • 2.Kxe6#
      • 1...Re3
        • 2.Bh2#
      • 1...Sc6
        • 2.Kxc6#
      • 1...Sd7
        • 2.Kxd7#
      • 1...Rb5!
    • 1.Qxg7?
      • threat
        • 2.Qh6#
      • 1...Rxf3
        • 2.Rh4#
      • 1...h6
        • 2.Qxh6#
      • 1...Sxe6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Ke7#
      • 1...Rxf3
        • 2.Rh4#
      • 1...Rxc5
        • 2.Kxc5#
      • 1...Sxd5
        • 2.Kxd5#
      • 1...Sxe6
        • 2.Kxe6#
      • 1...Re3
        • 2.Bh2#
      • 1...Sc6
        • 2.Kxc6#
      • 1...Sd7
        • 2.Kxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::B(A)
    • R(a);SBLOCK,XP(C)::R(D)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAB(I)+K(G)
      • Vars
        • R(a);SBLOCK,XP(C)::R(D)
        • R(e);XP(E)::QAB(I)+K(G),XR(e)
        • S(b);XP(F)::QAB(I)+K(G),XS(b)
        • S(l);XP(H)::QAB(I)+K(G),XS(l)
        • R(a);SBLOCK::B(A)
        • S(b);::QAB(I)+K(G),XS(b)
        • S(l);::QAB(I)+K(G),XS(l)
      • Refutation
        • R(e);
    • Try
      • Q(I);XB(j)
      • Threat
        • QAB(I)
      • Vars
        • R(a);SBLOCK,XP(C)::R(D)
        • P(k);::QAB(I),XP(k)
      • Refutation
        • S(l);XP(H)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)+K(G)
    • Vars
      • R(a);SBLOCK,XP(C)::R(D)
      • R(e);XP(E)::QAB(I)+K(G),XR(e)
      • S(b);XP(F)::QAB(I)+K(G),XS(b)
      • S(l);XP(H)::QAB(I)+K(G),XS(l)
      • R(a);SBLOCK::B(A)
      • S(b);::QAB(I)+K(G),XS(b)
      • S(l);::QAB(I)+K(G),XS(l)
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).