MESON Chess Problem Database

Problem Display
PID: 268537 (6b1/K2R1nq1/1pp2b2/1N4p1/2k5/BR1nP3/P7/3r1Q2 w - - 0 1)

Chicco, Adriano

6th HM., Magyar Sakkvilag, 1937

6b1/K2R1nq1/1pp2b2/1N4p1/2k5/BR1nP3/P7/3r1Q2

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxd3#
    • 1...Rb1
      • 2.Qxd3#
    • 1...Rc1
      • 2.Qxd3#
    • 1...Re1
      • 2.Qxd3#
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qe6#
      • 1...Sc1
        • 2.Rb4#
      • 1...Se1
        • 2.Rb4#
      • 1...Sb2
        • 2.Rb4#
      • 1...Sf2
        • 2.Rb4#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Sf4
        • 2.Rb4#
      • 1...Sc5
        • 2.Rb4#
      • 1...Sde5
        • 2.Qc2#
      • 1...Sfe5
        • 2.Qe4#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sh6
        • 2.Sd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...Sh8
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::QAB1(A),XS(b)
  • Actual
    • Q(A);N_PINS(b)
    • Threat
      • QAB(A)
    • Vars
      • S(b);N_GUARD::R1(D)
      • S(b);N_GUARD::R1(D),XS(b)
      • S(b);OGATE::QAR2(A)
      • S(h);P_PINR(H),S_CUTB(g)::QAR2(A)
      • S(h);N_GUARD,P_PINR(H)::S(F),XS(h)
      • S(h);N_GUARD,P_PINR(H)::S(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).