MESON Chess Problem Database

Problem Display
PID: 267555 (1K6/4p3/p6b/B3Q2r/k1N1R2r/4pp1p/P7/n2b4 w - - 0 1)

Bottacchi, Antonio

L'Italia Scacchistica, 1919

1K6/4p3/p6b/B3Q2r/k1N1R2r/4pp1p/P7/n2b4

#2

6 + 11

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5?
      • threat
        • 2.Sb2#
        • 2.Sb6#
        • 2.Qb4#
      • 1...Bf4+
        • 2.Se5#
        • 2.Sd6#
      • 1...Sc2
        • 2.Sb2#
        • 2.Sb6#
      • 1...Rxc5!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qb4#
      • 1...Rb5+
        • 2.Sb6#
      • 1...Bf4+
        • 2.Sd6#
      • 1...Kb5
        • 2.Sa3#
      • 1...Rxa5
        • 2.Qxa5#
      • 1...Sc2
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Refutation
        • R(h);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • R(h);CHECK,SBLOCK::R(C)+S(B),DCHECK
      • B(j);CHECK,S_CUTR(g)::R(C)+S(B)
      • K(f);S_CUTR(g),S_FLIGHT::S(B)
      • R(h);OGATE,XB(D)::QAR1(E),XR(h)
      • S(a);N_GUARD,S_CUTB(b)::QAB1(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).