MESON Chess Problem Database

Problem Display
PID: 252347 (5N2/2Ppr2b/1pp2p2/2k3rR/P4B2/2P5/B3pK2/4N3 w - - 0 1)

Sardella, Giuseppe

Best Problems, 2021

5N2/2Ppr2b/1pp2p2/2k3rR/P4B2/2P5/B3pK2/4N3

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sd3#
    • 1...Re3
      • 2.Sxd7#
    • 1...Re4
      • 2.Sd3#
      • 2.Sxd7#
    • 1...Re6
      • 2.Sxd7#
    • 1...Re8
      • 2.Sxd7#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Bg8
      • 2.Sd3#
    • 1...f5
      • 2.Sd3#
  • Keys
    • 1.c8S!
      • threat
        • 2.Bd6#
      • 1...Rge5
        • 2.Be3#
      • 1...Rf5
        • 2.Sd3#
      • 1...Ree5
        • 2.Sxd7#
      • 1...Re6
        • 2.Sxd7#
      • 1...d6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(c);P_PINB(F),S_CUTB(i)::S(A)
    • R(h);N_GUARD::S(I),XP(g)
    • B(i);N_GUARD::S(A),XB(i)
    • B(i);N_GUARD::S(A)
    • P(f);N_SPINR(c),S_CUTB(i)::S(A)
  • Actual
    • P(H);
    • Threat
      • B(F)
    • Vars
      • R(c);S_CUTR(h)::B(F)
      • R(c);P_PINB(F),S_CUTB(i)::S(A)
      • R(h);N_GUARD,N_SPINR(c)::S(I),XP(g)
      • R(h);N_GUARD::S(I),XP(g)
      • P(g);::B(F),XP(g)
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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).