MESON Chess Problem Database

Problem Display
PID: 106911 (1R6/K3p3/p1P4Q/N1kP4/2Prn2R/3n2N1/7B/1b3B2 w - - 0 1)

Piatesi, Antonio

Herpai TT, 1951

1R6/K3p3/p1P4Q/N1kP4/2Prn2R/3n2N1/7B/1b3B2

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sb3#
    • 1...Sb2
      • 2.Sb3#
    • 1...Sdf2
      • 2.Sb3#
    • 1...Sb4
      • 2.Sb3#
      • 2.Sb7#
    • 1...Sf4
      • 2.Sb3#
    • 1...Se5
      • 2.Sb3#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sxe4#
      • 1...Kd6
        • 2.Sxe4#
      • 1...Sxg3
        • 2.Qxe7#
      • 1...Sc1
        • 2.Qa3#
      • 1...Se1
        • 2.Qa3#
      • 1...Sb2
        • 2.Qa3#
      • 1...Sdf2
        • 2.Qa3#
      • 1...Sb4
        • 2.Sb7#
      • 1...Sf4
        • 2.Qa3#
      • 1...Se5
        • 2.Qa3#
      • 1...Sd2
        • 2.Qxe7#
      • 1...Sef2
        • 2.Qxe7#
      • 1...Sc3
        • 2.Qxe7#
      • 1...Sg5
        • 2.Qxe7#
      • 1...Sd6
        • 2.Qxd4#
      • 1...Sf6
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(b);::S(F)
  • Actual
    • Q(I);P_PINR(c)
    • Threat
      • S(C),XS(d)
    • Vars
      • K(e);N_SPINR(c),S_FLIGHT::B(B)+S(C),DCHECK,XS(d)
      • S(d);OGATE,XS(C)::QAB(I),XP(g)
      • S(b);OGATE::QAB(I)
      • S(b);SBLOCK::S(F)
      • S(d);OGATE::QAB(I),XP(g)
      • S(d);SBLOCK::QAB1(I),XR(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).