MESON Chess Problem Database

Problem Display
PID: 98876 (r2nBNK1/2pP2Q1/2R5/2pk4/2rpN3/3PP2n/8/1R6 w - - 0 1)

Swane, Jan Arnold Willem

Problem (Zagreb), 1953

r2nBNK1/2pP2Q1/2R5/2pk4/2rpN3/3PP2n/8/1R6

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rca4
      • 2.Rxc5#
    • 1...Rb4
      • 2.Rxc5#
    • 1...Sxc6
      • 2.Bf7#
  • Tries
    • 1.Re6?
      • threat
        • 2.Sf6#
        • 2.Qe5#
      • 1...dxe3
        • 2.Qe5#
      • 1...Sc6
        • 2.Sf6#
      • 1...Sf7
        • 2.Sf6#
      • 1...Sxe6!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Se7#
      • 1...Sxc6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD::R1(E),XP(d)
    • S(h);N_GUARD,SBLOCK,XR(E)::B(H)
  • Tries
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(C)::QAR1(G)
        • S(h);::S(D)
      • Refutation
        • S(h);XR(E)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • K(e);S_FLIGHT,XR(E)::S(I)
      • S(h);N_GUARD,P_PINB(H),SBLOCK,XR(E)::QAB(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).