MESON Chess Problem Database

Problem Display
PID: 157085 (8/1n1b4/8/1R1pp3/3k3B/K2P1p2/2PP2N1/3n3q w - - 0 1)

Adam, Franz

Reichspost, 1918

8/1n1b4/8/1R1pp3/3k3B/K2P1p2/2PP2N1/3n3q

#2

7 + 8

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Bf2#
    • 1...Sf2
      • 2.Bxf2#
    • 1...Sc3
      • 2.Bf2#
    • 1...Sc5
      • 2.Rb4#
    • 1...e4
      • 2.Bf6#
  • Tries
    • 1.Bf2+?
      • 1...Se3
        • 2.Bxe3#
      • 1...Sxf2!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rxd5#
      • 1...Bxb5
        • 2.Se6#
      • 1...exf4
        • 2.Bf6#
      • 1...Bc6
        • 2.Se6#
      • 1...Be6
        • 2.Sxe6#
      • 1...Sc3
        • 2.Bf2#
      • 1...Se3
        • 2.c3#
      • 1...Sc5
        • 2.Rb4#
      • 1...f2
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::B(F)
    • S(a);N_GUARD::B(F),XS(a)
    • S(g);SBLOCK::R(G)
    • P(f);OGATEB::B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(F),XS(a)
      • Refutation
        • S(a);XB(F)
  • Actual
    • S(C);
    • Threat
      • R1(G),XP(e)
    • Vars
      • B(h);N_GUARD,XR(G)::S(C)
      • P(f);OGATEB,XS(C)::B(F)
      • B(h);N_GUARD::S(C)
      • B(h);N_GUARD::S(C),XB(h)
      • S(a);N_GUARD::B(F)
      • S(a);N_GUARD::P(A)
      • S(g);SBLOCK::R(G)
      • P(c);N_GUARD::S(C)
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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).