MESON Chess Problem Database

Problem Display
PID: 254660 (7K/P2NN1Pp/r1p5/1p3PP1/R1nkn2Q/3P4/1P1R1P2/1B1q3b w - - 0 1)

Battaglia, Emilio

Probleemblad, 1946

7K/P2NN1Pp/r1p5/1p3PP1/R1nkn2Q/3P4/1P1R1P2/1B1q3b

#2

14 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.dxe4#
    • 1...Qh5
      • 2.dxc4#
      • 2.dxe4#
    • 1...Qg1
      • 2.dxc4#
      • 2.dxe4#
  • Keys
    • 1.g8Q!
      • threat
        • 2.Qg7#
      • 1...Qxa4
        • 2.dxc4#
      • 1...Rxa4
        • 2.Sxc6#
      • 1...bxa4
        • 2.Qxc4#
      • 1...Qg4
        • 2.dxe4#
      • 1...b4
        • 2.Qxc4#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD::R(C)+P(E),XS(e)
  • Actual
    • P(M);
    • Threat
      • QAB(M)
    • Vars
      • Q(a);N_GUARD,N_SPINS(c),P_SPINS(e),XR(F)::R(C)+P(E),XS(c)
      • R(g);N_GUARD,N_SPINS(c),P_SPINS(e),XR(F)::S(L),XP(h)
      • P(f);N_GUARD,N_SPINS(c),P_SPINS(e),XR(F)::QAR1(M),XS(c)
      • Q(a);N_GUARD::R(C)+P(E),XS(e)
      • P(f);N_GUARD,N_SPINS(c),P_SPINS(e)::QAR1(M),XS(c)
      • P(h);N_GUARD::QAR1(M)
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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).