MESON Chess Problem Database

Problem Display
PID: 71401 (7K/2p1Q3/2p2N1B/p4p2/3p1pn1/1B1kP1r1/N2prp2/1n1Rq1R1 w - - 0 1)

Castellari, Umberto

La Scacchiera, 1952

7K/2p1Q3/2p2N1B/p4p2/3p1pn1/1B1kP1r1/N2prp2/1n1Rq1R1

#2

9 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sc1#
    • 1...dxe3
      • 2.Qd8#
      • 2.Qd7#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qxd4#
      • 1...Kxe3
        • 2.Rxg3#
      • 1...Rexe3
        • 2.Sc1#
        • 2.Qc4#
      • 1...Rgxe3
        • 2.Sc1#
        • 2.Bc2#
        • 2.Qc2#
        • 2.Qc4#
      • 1...Sxe3
        • 2.Sc1#
      • 1...dxe3
        • 2.Sc1#
        • 2.Bc2#
        • 2.Qc4#
      • 1...fxe3
        • 2.Sc1#
        • 2.Bc2#
        • 2.Qc2#
        • 2.Qc4#
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::S(C)
  • Actual
    • Q(H);
    • Threat
      • QAR1(H),XP(h)
    • Vars
      • K(f);N_SPINP(c),OGATEB,P-FLIGHT,P_SPINP(h),XP(E)::R(B),XR(g)
      • S(j);SBLOCK,XP(E)::S(C)
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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).