MESON Chess Problem Database

Problem Display
PID: 195287 (3R2Q1/2pN1N2/2pnnB2/2bP2R1/K1k2p2/3p1B2/3Pp3/8 w - - 0 1)

Rozijn, DA

Probleemblad, 1979

3R2Q1/2pN1N2/2pnnB2/2bP2R1/K1k2p2/3p1B2/3Pp3/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Sde5#
      • 2.Sfe5#
    • 1...cxd5
      • 2.Bxd5#
  • Keys
    • 1.dxc6!
      • threat
        • 2.Bd5#
      • 1...Sxg5
        • 2.Sxd6#
      • 1...Se4
        • 2.Sde5#
      • 1...Sf5
        • 2.Sde5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATE,XP(D)::B(B),XP(f)
  • Actual
    • P(D);XP(f)
    • Threat
      • B(B)
    • Vars
      • S(h);XR(E)::QAB(J)+S(H),DCHECK,XS(g)
      • S(g);::S(G)
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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).