MESON Chess Problem Database

Problem Display
PID: 228871 (q7/1p5b/r3Qp2/r4p2/3pB2b/3p1R2/3PkN2/3R3K w - - 0 1)

Cristoffanini, Guido

Tijdschrift vd NSB, 1926

q7/1p5b/r3Qp2/r4p2/3pB2b/3p1R2/3PkN2/3R3K

#2

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bc6#
    • 1...Ra2
      • 2.Bc6#
    • 1...Ra3
      • 2.Bc6#
    • 1...Ra4
      • 2.Bc6#
    • 1...Ra7
      • 2.Bd5#
    • 1...b5
      • 2.Bc6#
    • 1...b6
      • 2.Bd5#
  • Keys
    • 1.Rf4!
      • threat
        • 2.Bxd3#
      • 1...Bxf2
        • 2.Bf3#
      • 1...fxe4
        • 2.Qg4#
      • 1...b5
        • 2.Bc6#
      • 1...b6
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(e);N_GUARD,P_PINR(A)::QAR(G)+B(F)
    • R(e);N_GUARD::QAR(G)+B(F)
    • R(g);N_GUARD::QAR(G)+B(F)
    • P(i);S_CUTR(e)::QAR(G)+B(F)
    • P(i);S_CUTR(g)::QAR(G)+B(F)
  • Actual
    • R(E);
    • Threat
      • QAR(G)+B(F),DCHECK,XP(b)
    • Vars
      • B(d);SBLOCK,XS(D)::QAR(G)+B(F),DCHECK
      • P(f);OGATE,P_SPINP(f),XB(F)::QAB(G)
      • P(i);P_PINB(F),S_CUTR(e)::QAR(G)+B(F)
      • P(i);P_PINB(F),S_CUTR(g)::QAR(G)+B(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).