MESON Chess Problem Database

Problem Display
PID: 67052 (5K2/3p4/2pn2p1/2p1n1Q1/RB1k1N2/b1rp1p2/3N1P2/8 w - - 0 1)

Stocchi, Ottavio

2nd Prize, Tijdschrift vd KNSB, 1953

5K2/3p4/2pn2p1/2p1n1Q1/RB1k1N2/b1rp1p2/3N1P2/8

#2

7 + 11

5407 Selected Stocchi (II) 1953

SOLUTION

  • SOUND
  • Sets
    • 1...Sec4
      • 2.Qxc5#
    • 1...Sg4
      • 2.Bxc5#
    • 1...Sef7
      • 2.Bxc5#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxd6#
      • 1...Sdc4
        • 2.Qxc5#
      • 1...Sec4
        • 2.Sxf3#
      • 1...Sef7
        • 2.Qe3#
      • 1...Se4
        • 2.Bxc5#
      • 1...Sb5
        • 2.Bxc5#
      • 1...Sf5
        • 2.Bxc5#
      • 1...Sb7
        • 2.Bxc5#
      • 1...Sdf7
        • 2.Bxc5#
      • 1...Sc8
        • 2.Bxc5#
      • 1...Se8
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • S(g);OGATE::QAB1(F),XP(f)
    • S(g);::R(C)+B(D),DCHECK,XP(f)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XS(i)
    • Vars
      • S(i);OGATE::QAB1(F),XP(f)
      • S(g);N_GUARD,SBLOCK::S(A),XP(d)
      • S(g);OGATE::QAB1(F)
      • S(i);::R(C)+B(D),DCHECK,XP(f)
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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).