MESON Chess Problem Database

Problem Display
PID: 72482 (2R5/7q/3BP3/2N1p3/RPk1n1Q1/1n2Pp1p/B1K5/4b3 w - - 0 1)

Cristoffanini, Guido

Tijdschrift vd NSB, 1931

2R5/7q/3BP3/2N1p3/RPk1n1Q1/1n2Pp1p/B1K5/4b3

#2

10 + 8

SOLUTION

  • SOUND
  • Keys
    • 1.Ra5!
      • threat
        • 2.Sd7#
      • 1...Kxb4
        • 2.Sxb3#
      • 1...Kd5
        • 2.Sxe4#
      • 1...Bxb4
        • 2.Bxb3#
      • 1...Qc7
        • 2.Qxe4#
      • 1...Qg8
        • 2.Qxe4#
      • 1...Qa7
        • 2.Qxe4#
      • 1...Qb7
        • 2.Sxb7#
      • 1...Qd7
        • 2.Sxd7#
        • 2.Qxe4#
      • 1...Qh8
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • R(J)+S(G)
    • Vars
      • K(e);N_SPINS(b),P-FLIGHT,P_SPINS(f),XP(E)::B(H)+S(G),XS(b)
      • K(e);S_FLIGHT::R(D)+S(G),XS(f)
      • B(a);SBLOCK,XP(E)::B(A),XS(b)
      • Q(h);N_GUARD::QAR2(F),XS(f)
      • Q(h);N_GUARD::R(J)+S(G),XQ(h)
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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).