MESON Chess Problem Database

Problem Display
PID: 203310 (5R1K/1N5b/4B3/2r1k3/3Np3/4q3/1Q6/4R3 w - - 0 1)

Bomsdorf, Paul

2nd Prize, Pfalzische Ty., 1924

5R1K/1N5b/4B3/2r1k3/3Np3/4q3/1Q6/4R3

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Rxf5#
    • 1...Bg8
      • 2.Rf5#
  • Keys
    • 1.Bg8!
      • threat
        • 2.Sf3#
        • 2.Sc6#
      • 1...Qxd4
        • 2.Qh2#
      • 1...Bxg8
        • 2.Rf5#
      • 1...Qc3
        • 2.Sf3#
      • 1...Rc3
        • 2.Sc6#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Qf3
        • 2.Sxf3#
        • 2.Sc6#
      • 1...Rc6
        • 2.Sf3#
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::R1(F),XB(e)
    • B(e);N_GUARD::R1(F)
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);N_GUARD,P_SPINP(b),P_SPINQ(a),SBLOCK,XS(C)::QAB(B)
      • B(e);N_GUARD,XB(D)::R1(F)
      • Q(a);P_SPINP(b)::S(C)
      • R(c);::S(C)
      • B(e);N_GUARD::R1(F),XB(e)
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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).