MESON Chess Problem Database

Problem Display
PID: 231039 (1r1Q1B2/8/8/4p3/2NP4/p1k1N3/2Bp1P2/Kn6 w - - 0 1)

Feigl, Maximilian

Nemo, Ottmar (Weiss, Ottmar)

Deutsche Schachzeitung, 1899

1r1Q1B2/8/8/4p3/2NP4/p1k1N3/2Bp1P2/Kn6

#2

8 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bb4+?
      • 1...Kxb4
        • 2.Qa5#
      • 1...Rxb4!
    • 1.Qa5+?
      • 1...Kxd4
        • 2.Bc5#
        • 2.Qxe5#
      • 1...Rb4!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Se4#
      • 1...Kb4
        • 2.Sd5#
      • 1...Kxd4
        • 2.Sb5#
      • 1...Rxd8
        • 2.Sb5#
      • 1...e4
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(d);S_FLIGHT,XB(H)::QAB1(G)
      • Refutation
        • R(f);XB(H)
    • Try
      • Q(G);CHECK
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::S(D)
      • K(d);S_FLIGHT,XP(F)::QAR(G)+S(E),DCHECK
      • R(f);N_GUARD,XQ(G)::S(E)
      • P(e);::S(E),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).