MESON Chess Problem Database

Problem Display
PID: 163151 (N1R5/3p2n1/R4pN1/K2k1Pb1/p2pn3/2pP2p1/3pPp2/3B4 w - - 0 1)

Sardella, Giuseppe

Best Problems, 2013

N1R5/3p2n1/R4pN1/K2k1Pb1/p2pn3/2pP2p1/3pPp2/3B4

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sc7#
    • 1...Sd6
      • 2.Sb6#
    • 1...a3
      • 2.Bb3#
    • 1...d6
      • 2.Sb6#
  • Tries
    • 1.Rd6+?
      • 1...Sxd6
        • 2.Sb6#
      • 1...Kxd6!
    • 1.Rc5+?
      • 1...Sxc5
        • 2.Sc7#
      • 1...Kxc5!
  • Keys
    • 1.Bc2!
      • threat
        • 2.dxe4#
      • 1...Sc5
        • 2.Sc7#
      • 1...Sd6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(g);SBLOCK::S(H)
    • P(e);N_GUARD::B(A)
    • P(k);SBLOCK::S(H)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • S(g);SBLOCK,XR(F)::S(H)
      • Refutation
        • K(h);P-FLIGHT,XR(F)
    • Try
      • R(I);CHECK
      • Vars
        • S(g);SBLOCK,XR(I)::S(H)
      • Refutation
        • K(h);P-FLIGHT,XR(I)
  • Actual
    • B(A);
    • Threat
      • P(C),XS(g)
    • Vars
      • S(g);SBLOCK::S(H)
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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).