MESON Chess Problem Database

Problem Display
PID: 173682 (N1R4b/3p1p1q/pN6/pk1rnB1R/8/KP1p1p1b/8/8 w - - 0 1)

Boros, Sandor

Het Schaakleven, 1934

N1R4b/3p1p1q/pN6/pk1rnB1R/8/KP1p1p1b/8/8

#2

7 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4+
      • 2.bxc4#
    • 1...Sg4
      • 2.Bxd7#
    • 1...Sg6
      • 2.Bxd3#
  • Keys
    • 1.Sa4!
      • threat
        • 2.Sc3#
      • 1...Sc4+
        • 2.bxc4#
      • 1...Rc5
        • 2.Rxc5#
      • 1...Sg4
        • 2.Bxd7#
      • 1...Sc6
        • 2.Sc7#
      • 1...Sg6
        • 2.Bxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(g);CHECK,OGATE::P(B),XS(g)
    • S(g);N_GUARD,S_CUTB(c),S_CUTR(f)::B(C),XP(i)
    • S(g);N_GUARD,S_CUTQ(k),S_CUTR(f)::B(C),XP(a)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(g);CHECK,OGATE::P(B),XS(g)
      • R(f);N_GUARD::R1(G),XR(f)
      • S(g);N_GUARD,S_CUTB(c),S_CUTR(f)::B(C),XP(i)
      • S(g);SBLOCK::S(F)
      • S(g);N_GUARD,S_CUTQ(k),S_CUTR(f)::B(C),XP(a)
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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).