MESON Chess Problem Database

Problem Display
PID: 233202 (6K1/bpB2Q1N/8/1r1p2p1/2Pnk1r1/8/8/3R1N2 w - - 0 1)

Lindner, Erich

Freie Presse, 1970

6K1/bpB2Q1N/8/1r1p2p1/2Pnk1r1/8/8/3R1N2

#2

7 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Sxg5#
    • 1...Rh4
      • 2.Sxg5#
    • 1...Rb1
      • 2.Qxd5#
    • 1...Rb2
      • 2.Qxd5#
    • 1...Rb3
      • 2.Qxd5#
    • 1...Rb4
      • 2.Qxd5#
    • 1...Rb6
      • 2.Qxd5#
    • 1...Bc5
      • 2.Qxd5#
    • 1...Sf3
      • 2.Qg6#
  • Tries
    • 1.Sf6+?
      • 1...Kf5
        • 2.Se3#
      • 1...Kf3!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Sf6#
      • 1...Rf4
        • 2.Sg3#
      • 1...Sf3
        • 2.Qc2#
      • 1...Rb6
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(c);N_GUARD::S(F),XP(f)
    • R(d);N_GUARD::QAB1(E),XP(e)
    • B(g);S_CUTR(d)::QAB1(E),XP(e)
    • S(a);N_GUARD,SBLOCK::QAB(E)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • S(F)
    • Vars
      • R(c);N_GUARD::S(B)
      • S(a);N_GUARD,SBLOCK::QAB(E)
      • R(d);S_CUTB(g)::R1(A),XS(a)
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).