MESON Chess Problem Database

Problem Display
PID: 71326 (1bB1N1K1/pP6/1B5R/Rnpk4/b5N1/p2PPn2/8/2r5 w - - 0 1)

Bograd, Leib

Revista Romana de Sah, 1935

1bB1N1K1/pP6/1B5R/Rnpk4/b5N1/p2PPn2/8/2r5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sfd4
      • 2.e4#
    • 1...Sc3
      • 2.Rxc5#
    • 1...Sbd4
      • 2.e4#
    • 1...Sc7
      • 2.Rd6#
    • 1...c4
      • 2.e4#
  • Keys
    • 1.Bd7!
      • threat
        • 2.Bc6#
      • 1...Bd6
        • 2.Sef6#
      • 1...Sfd4
        • 2.e4#
      • 1...Se5
        • 2.Sgf6#
      • 1...Sc3
        • 2.Rxc5#
      • 1...Sbd4
        • 2.e4#
      • 1...Sd6
        • 2.Sef6#
      • 1...Sc7
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(c);SBLOCK::P(B)
    • S(e);OGATE,P_SPINP(f)::R1(D),XP(f)
    • S(e);P_SPINP(f),SBLOCK::P(B)
    • S(e);N_GUARD,P_SPINP(f),S_CUTB(i)::R1(F)
    • P(f);P_SPINS(e)::P(B)
  • Actual
    • B(H);
    • Threat
      • B(H)
    • Vars
      • B(i);SBLOCK::S(I)
      • S(c);SBLOCK::P(B)
      • S(c);SBLOCK::S(C)
      • S(e);OGATE,P_SPINP(f)::R1(D),XP(f)
      • S(e);P_SPINP(f),SBLOCK::P(B)
      • S(e);P_SPINP(f),SBLOCK::S(I)
      • S(e);N_GUARD,P_SPINP(f),S_CUTB(i)::R1(F)
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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).