MESON Chess Problem Database

Problem Display
PID: 160731 (5R2/2pP2K1/R1nPp1Pp/2N1kPnQ/4Np2/B1P2p2/B4P2/8 w - - 0 1)

Apro, Laszlo

Problem Schack, 1953

5R2/2pP2K1/R1nPp1Pp/2N1kPnQ/4Np2/B1P2p2/B4P2/8

#2

14 + 8

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Sd3#
  • Tries
    • 1.Ra4?
      • threat
        • 2.Sd3#
      • 1...Sd4
        • 2.cxd4#
      • 1...Sb4!
  • Keys
    • 1.Sf6!
      • 1...Kxf5
        • 2.Sg4#
      • 1...Kxd6
        • 2.Sd3#
      • 1...exf5
        • 2.Sd3#
      • 1...cxd6
        • 2.Sg4#
      • 1...Sh3
        • 2.Sd3#
      • 1...Se4
        • 2.Sd3#
      • 1...Sf7
        • 2.Sd3#
      • 1...Sh7
        • 2.Sd3#
      • 1...Sb4
        • 2.Sg4#
      • 1...Sd4
        • 2.Sg4#
      • 1...Sa5
        • 2.Sg4#
      • 1...Sa7
        • 2.Sg4#
      • 1...Se7
        • 2.Sg4#
      • 1...Sb8
        • 2.Sg4#
      • 1...Sd8
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK,XS(E)::S(F)
  • Tries
    • Try
      • R(I);
      • Threat
        • S(F)
      • Vars
        • S(e);OGATE::P(D),XS(e)
      • Refutation
        • S(e);
  • Actual
    • S(E);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(d),XP(G)::R(N)+S(E)
      • K(c);P_SPINS(e),S_FLIGHT,XP(J)::B(C)+S(F)
      • P(f);SBLOCK,XP(G)::S(F)
      • P(h);SBLOCK,XP(J)::S(E)
      • S(d);::S(F)
      • S(e);::S(E)
HTML5 logo

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).