MESON Chess Problem Database

Problem Display
PID: 102610 (8/1q2R3/5QN1/p7/3pP1p1/1B2kpPp/3prn1N/K2nb2b w - - 0 1)

Stocchi, Ottavio

Bulletin Ouvrier des Echecs, 1953

8/1q2R3/5QN1/p7/3pP1p1/1B2kpPp/3prn1N/K2nb2b

#2

8 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sxg4#
    • 1...d3
      • 2.Sf1#
  • Keys
    • 1.Se5!
      • threat
        • 2.Qf4#
      • 1...Kxe4
        • 2.Qf4#
      • 1...Qxe4
        • 2.Sf1#
      • 1...Sxe4
        • 2.Shxg4#
      • 1...Sd3
        • 2.Sexg4#
      • 1...d3
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,SBLOCK::S(B),XP(k)
    • P(j);SBLOCK::S(B)
  • Actual
    • S(G);
    • Threat
      • QAB1(F)
    • Vars
      • K(g);P-FLIGHT,XP(E)::QAR1(F)
      • Q(m);SBLOCK,XP(E)::S(B)
      • S(f);N_GUARD,SBLOCK,XP(E)::S(B),XP(k)
      • S(f);N_GUARD,SBLOCK::S(G),XP(k)
      • P(j);SBLOCK::S(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).