MESON Chess Problem Database

Problem Display
PID: 202901 (b2N4/1RK2p2/p4P2/2kpP3/P1p4R/P7/1P6/8 w - - 0 1)

Barsukov, Leonid

Zadachi i Etyudi, 2016

b2N4/1RK2p2/p4P2/2kpP3/P1p4R/P7/1P6/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb7
      • 2.Sxb7#
    • 1...c3
      • 2.b4#
    • 1...a5
      • 2.Rb5#
  • Tries
    • 1.Rf4?
      • 1...Bxb7
        • 2.Sxb7#
      • 1...c3
        • 2.b4#
      • 1...a5
        • 2.Rb5#
      • 1...d4!
    • 1.Rg4?
      • 1...Bxb7
        • 2.Sxb7#
      • 1...c3
        • 2.b4#
      • 1...a5
        • 2.Rb5#
      • 1...d4!
    • 1.Rb6?
      • 1...Bc6
        • 2.Rxc6#
      • 1...Bb7
        • 2.Sxb7#
      • 1...c3
        • 2.b4#
      • 1...a5
        • 2.Rb5#
      • 1...d4!
  • Keys
    • 1.e6!
      • 1...Bxb7
        • 2.Sxb7#
      • 1...fxe6
        • 2.Sxe6#
      • 1...d4
        • 2.Rh5#
      • 1...c3
        • 2.b4#
      • 1...a5
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);XR(G)::S(I),XB(f)
    • P(a);N_GUARD::P(A)
    • P(d);N_GUARD::R1(G)
  • Tries
    • Try
      • R(D);
      • Vars
        • B(f);XR(G)::S(I),XB(f)
        • P(a);N_GUARD::P(A)
        • P(d);N_GUARD::R1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • B(f);XR(G)::S(I),XB(f)
        • P(a);N_GUARD::P(A)
        • P(d);N_GUARD::R1(G)
      • Refutation
        • P(c);
    • Try
      • R(G);
      • Vars
        • B(f);N_GUARD::R1(G),XB(f)
        • B(f);N_GUARD::S(I),XB(f)
        • P(a);N_GUARD::P(A)
        • P(d);N_GUARD::R1(G)
      • Refutation
        • P(c);
  • Actual
    • P(E);
    • Vars
      • B(f);XR(G)::S(I),XB(f)
      • P(e);XP(E)::S(I),XP(e)
      • P(c);OGATEB,SBLOCK::R(D)
      • P(a);N_GUARD::P(A)
      • P(d);N_GUARD::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).