MESON Chess Problem Database

Problem Display
PID: 273506 (1BBr1b2/1n1p3R/6K1/1n5p/N3kP2/3R2p1/2P5/6Nb w - - 0 1)

Dragoescu, Radu

Buletin Problemistic, 1997

1BBr1b2/1n1p3R/6K1/1n5p/N3kP2/3R2p1/2P5/6Nb

#2

9 + 9

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bh6
      • 2.Re7#
    • 1...Be7
      • 2.Rxe7#
    • 1...Sa3
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sd4
      • 2.Sc3#
    • 1...Sa7
      • 2.Sc3#
    • 1...d5
      • 2.Bf5#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sxg3#
      • 1...Sd4
        • 2.Sec3#
        • 2.Sac3#
      • 1...Bd6
        • 2.Bxb7#
      • 1...S5d6
        • 2.Sac3#
      • 1...Sc7
        • 2.Sac3#
      • 1...S7d6
        • 2.Sc5#
      • 1...g2
        • 2.Sg3#
      • 1...d6
        • 2.Bf5#
      • 1...h4!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Sg5#
      • 1...Sd4
        • 2.Sc3#
      • 1...Bd6
        • 2.Bxb7#
      • 1...Bh6
        • 2.Re7#
      • 1...Be7
        • 2.Rxe7#
      • 1...S5d6
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
      • 1...S7d6
        • 2.Sc5#
      • 1...d6
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(i);N_GUARD::R(G)
    • B(i);N_GUARD::R(G),XB(i)
    • S(d);N_GUARD::S(D)
    • S(d);N_GUARD::S(D),XS(d)
    • P(g);OGATE::B(I)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A),XP(b)
      • Vars
        • B(i);S_CUTP(g)::B(I),XS(f)
        • S(d);N_GUARD::S(D)
        • S(f);N_GUARD,S_CUTB(i)::S(D)
        • P(b);::S(A)
        • P(g);OGATE::B(I)
      • Refutation
        • P(e);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • S(d);N_GUARD::S(D)
      • B(i);S_CUTP(g)::B(I),XS(f)
      • B(i);N_GUARD::R(G)
      • B(i);N_GUARD::R(G),XB(i)
      • S(f);N_GUARD,S_CUTB(i)::S(D)
      • P(g);OGATE::B(I)
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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).