MESON Chess Problem Database

Problem Display
PID: 158935 (2r5/p7/Kp2b3/BR6/kN6/5r2/PPR5/1N6 w - - 0 1)

Hermanson, Halvar

Ajedrez Artistico, 1968

2r5/p7/Kp2b3/BR6/kN6/5r2/PPR5/1N6

#2

8 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rb4#
      • 1...bxa5
        • 2.Rxa5#
      • 1...Rc4
        • 2.b3#
      • 1...Bc4
        • 2.Sc3#
      • 1...Rf4!
    • 1.Sc6?
      • threat
        • 2.Rb4#
      • 1...bxa5
        • 2.Rxa5#
      • 1...Rf4
        • 2.Sc3#
      • 1...Bc4
        • 2.Rxc4#
      • 1...Rb3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rb4#
      • 1...bxa5
        • 2.Rxa5#
      • 1...Rb3
        • 2.axb3#
      • 1...Rf4
        • 2.b3#
      • 1...Rc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(G)
      • Vars
        • P(c);OGATE,XB(F)::R1(G),XP(c)
        • R(f);S_CUTB(d)::P(C)
        • B(d);P_PINR(G),S_CUTR(f)::S(A)
      • Refutation
        • R(a);
    • Try
      • S(E);
      • Threat
        • R1(G)
      • Vars
        • P(c);OGATE,XB(F)::R1(G),XP(c)
        • R(a);N_GUARD::S(A)
        • B(d);N_GUARD,P_PINR(G)::R(D),XB(d)
      • Refutation
        • R(a);
  • Actual
    • S(E);
    • Threat
      • R1(G)
    • Vars
      • P(c);OGATE,XB(F)::R1(G),XP(c)
      • R(a);OGATE::P(B),XR(a)
      • R(a);N_GUARD::P(C)
      • R(f);N_GUARD::R(D),XR(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).