MESON Chess Problem Database

Problem Display
PID: 162922 (k4Nrq/n1Bp2R1/Qpp1P3/6b1/N6p/2P1P2K/1r1R3p/7B w - - 0 1)

Ersek, Tibor

Die Schwalbe, 2016

k4Nrq/n1Bp2R1/Qpp1P3/6b1/N6p/2P1P2K/1r1R3p/7B

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Sxb6#
    • 1...Rc2
      • 2.Sxb6#
    • 1...Rxd2
      • 2.Sxb6#
    • 1...b5
      • 2.Sb6#
    • 1...dxe6
      • 2.Bxc6#
    • 1...d6
      • 2.Bxc6#
  • Tries
    • 1.Rxb2?
      • threat
        • 2.Sxb6#
      • 1...b5
        • 2.Sb6#
      • 1...Bxe3!
  • Keys
    • 1.Rdxd7!
      • threat
        • 2.Bxc6#
      • 1...Rg2
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::S(F),XP(e)
    • R(a);N_GUARD,XR(B)::S(F),XP(e)
    • P(e);S_CUTR(a)::S(F)
    • P(h);N_GUARD,XP(H)::B(A),XP(f)
    • P(h);N_GUARD::B(A),XP(f)
  • Tries
    • Try
      • R(B);XR(a)
      • Threat
        • S(F),XP(e)
      • Vars
        • P(e);::S(F)
      • Refutation
        • B(d);XP(D)
  • Actual
    • R(B);XP(h)
    • Threat
      • B(A),XP(f)
    • Vars
      • R(a);N_GUARD,N_SPINP(f)::S(F),XP(e)
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).