MESON Chess Problem Database

Problem Display
PID: 31055 (Q6q/4R2B/2np4/1P1Rpn2/1Nb1krN1/5p2/1K3p2/8 w - - 0 1)

Dubbe, Friedrich

Die Heimat, 1882

Q6q/4R2B/2np4/1P1Rpn2/1Nb1krN1/5p2/1K3p2/8

#2

8 + 10

3429 Friedrich Dubbe ein Deutscher Problemmeister 1938

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Rdxe5#
  • Keys
    • 1.Sc2!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.Qxc6#
      • 1...Qxh7
        • 2.Sf6#
      • 1...Qxa8
        • 2.Sf6#
      • 1...Bxd5
        • 2.Sxf2#
      • 1...Sd4
        • 2.Sxf2#
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(h);SBLOCK::QAB(H)+R(E),DCHECK,XP(f)
  • Actual
    • S(B);
    • Threat
      • R1(E)
    • Vars
      • K(d);N_SPINP(f),N_SPINS(g),OGATEB,P_SPINS(h),S_FLIGHT,XR(E)::QAB1(H),XS(h)
      • Q(j);N_GUARD,N_SPINS(g),XB(G)::S(C)
      • Q(j);N_GUARD,XQ(H)::S(C)
      • B(c);SBLOCK,XR(E)::S(C),XP(a)
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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).