MESON Chess Problem Database

Problem Display
PID: 98651 (Br6/B4pQP/1q3p1K/1Nk2bn1/1R1np2b/P5p1/8/3r4 w - - 0 1)

Rizzetti, Dante Hugo

4th Comm., Problemas, 1966

Br6/B4pQP/1q3p1K/1Nk2bn1/1R1np2b/P5p1/8/3r4

#2

8 + 12

6490 yacpdb 2009
16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Qxf8#
    • 1...Bc8
      • 2.Qf8#
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Qd6#
      • 1...Sxb5
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Rd8
        • 2.Bxb6#
        • 2.Qxb6#
      • 1...Be6
        • 2.Qe7#
      • 1...Sc2
        • 2.Qc6#
      • 1...Se2
        • 2.Qc6#
      • 1...Sb3
        • 2.Qc6#
      • 1...Sdf3
        • 2.Qc6#
      • 1...Sde6
        • 2.Qc3#
      • 1...Sge6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • R(l);N_GUARD::QAB(F),XR(l)
    • B(g);S_CUTR(l)::QAB(F)
  • Actual
    • Q(F);P_SPINQ(F),XP(j)
    • Threat
      • QAB1(F)
    • Vars
      • S(c);N_GUARD,XS(C)::QAR1(F)
      • S(c);N_GUARD,N_PINQ(F)::QAR1(F),XS(c)
      • B(g);N_PINQ(F)::QAB(F)
      • S(c);N_GUARD::QAR1(F)
      • S(c);N_PINQ(F)::QAR2(F)
      • S(h);N_PINQ(F)::QAR2(F)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).