MESON Chess Problem Database

Problem Display
PID: 90954 (2K1N2B/8/2BpP3/2p2k1P/4np2/1Q3NpP/2n2p2/b2r4 w - - 0 1)

Latzel, Gerhard Paul

Die Schwalbe 091. TT, 1949

2K1N2B/8/2BpP3/2p2k1P/4np2/1Q3NpP/2n2p2/b2r4

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Qd5#
    • 1...Sd2
      • 2.Sxd6#
    • 1...Sg5
      • 2.Sh4#
    • 1...Sf6
      • 2.Sg7#
  • Keys
    • 1.e7!
      • threat
        • 2.Bd7#
      • 1...Sd4
        • 2.Qd5#
      • 1...Sd2
        • 2.Sxd6#
      • 1...Sc3
        • 2.Qf7#
      • 1...Sg5
        • 2.Sh4#
      • 1...Sf6
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);S_CUTB(a),S_CUTR(b)::QAR2(A)
    • S(f);N_GUARD,S_CUTR(b)::S(H),XP(j)
    • S(f);SBLOCK::S(B)
    • S(f);SBLOCK,S_CUTB(a)::S(H)
  • Actual
    • P(F);
    • Threat
      • B(E)
    • Vars
      • S(c);S_CUTB(a),S_CUTR(b)::QAR2(A)
      • S(f);N_GUARD,S_CUTR(b)::S(H),XP(j)
      • S(f);N_GUARD,S_CUTB(a)::QAR2(A)
      • S(f);SBLOCK::S(B)
      • S(f);SBLOCK,S_CUTB(a)::S(H)
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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).