MESON Chess Problem Database

Problem Display
PID: 194127 (1BK5/3N3p/3PP3/b1R5/1RB2k2/3PN2b/n4PPn/8 w - - 0 1)

van Dijk, Johannes

De Maasbode, 1917

1BK5/3N3p/3PP3/b1R5/1RB2k2/3PN2b/n4PPn/8

#2

12 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg2
      • 2.Rf5#
    • 1...Bf5
      • 2.Rxf5#
    • 1...Bb6
      • 2.Bxa2#
    • 1...Bc7
      • 2.Bxa2#
    • 1...Bd8
      • 2.Bxa2#
    • 1...Sf3
      • 2.g3#
    • 1...Sg4
      • 2.Rf5#
  • Keys
    • 1.Sb6!
      • threat
        • 2.d7#
      • 1...Bxg2
        • 2.Rf5#
      • 1...Bxb6
        • 2.Bxa2#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Sf3
        • 2.g3#
      • 1...Sg4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD,XP(B)::R1(G)
    • B(c);N_GUARD::R1(G),XB(c)
    • B(e);N_GUARD::R(E)+B(F),XS(a)
    • S(b);SBLOCK::P(B)
    • S(b);S_CUTB(c)::R1(G)
  • Actual
    • S(J);P_SPINP(I)
    • Threat
      • B(K)+P(H)
    • Vars
      • B(c);N_GUARD,N_PINP(I),XP(B)::R1(G)
      • B(e);N_GUARD,XS(J)::R(E)+B(F),XS(a)
      • B(c);N_GUARD::R1(G),XB(c)
      • S(b);SBLOCK::P(B)
      • S(b);N_PINP(I),S_CUTB(c)::R1(G)
HTML5 logo

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).