MESON Chess Problem Database

Problem Display
PID: 164898 (b6B/3p4/6K1/5p1B/4Nk1p/4R2n/2n2P2/b4N1R w - - 0 1)

Magini, Fabio

Best Problems, 2016

b6B/3p4/6K1/5p1B/4Nk1p/4R2n/2n2P2/b4N1R

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sg1
      • 2.Rxh4#
    • 1...Sg5
      • 2.Rxh4#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Se2#
        • 2.Be5#
      • 1...Sxe3
        • 2.fxe3#
      • 1...Bf3
        • 2.Be5#
        • 2.Rxf3#
      • 1...Be4
        • 2.Se2#
      • 1...Sd4
        • 2.Be5#
      • 1...Sg1
        • 2.Be5#
        • 2.Rxh4#
      • 1...d6
        • 2.Se2#
      • 1...Bxc3!
  • Keys
    • 1.Seg3!
      • threat
        • 2.Se2#
      • 1...Sxe3
        • 2.fxe3#
      • 1...hxg3
        • 2.fxg3#
      • 1...Bf3
        • 2.Rxf3#
      • 1...Sd4
        • 2.Be5#
      • 1...Sg1
        • 2.Rxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(c);OGATE::R(B),XP(e)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);OGATE,XR(D)::P(C),XS(b)
        • B(h);::S(E)
        • S(b);::B(H)
        • P(g);::S(E)
      • Refutation
        • B(a);XS(E)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(b);OGATE,XR(D)::P(C),XS(b)
      • P(e);OGATE,XS(E)::P(C),XP(e)
      • B(h);N_GUARD::R1(D),XB(h)
      • S(b);S_CUTB(a)::B(H)
      • S(c);OGATE::R(B),XP(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).