MESON Chess Problem Database

Problem Display
PID: 231036 (8/3N1p2/pR6/3k4/K2P2Bq/6N1/2P5/3R4 w - - 0 1)

von Wardener, Friedrich Freiherr

Deutsche Schachzeitung, 1899

8/3N1p2/pR6/3k4/K2P2Bq/6N1/2P5/3R4

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Be6#
  • Tries
    • 1.Sf6+?
      • 1...Kc4
        • 2.Rc6#
      • 1...Qxf6!
    • 1.Bf3+?
      • 1...Kc4
        • 2.Rc6#
      • 1...Qe4!
  • Keys
    • 1.Be2!
      • threat
        • 2.c4#
      • 1...Qxg3
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::B(F)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(b);S_FLIGHT::R(G)
      • Refutation
        • Q(a);XS(H)
    • Try
      • B(F);CHECK,P_SPINP(E)
      • Vars
        • K(b);N_PINP(E),S_FLIGHT::R(G)
      • Refutation
        • Q(a);P_SPINQ(a)
  • Actual
    • B(F);P_SPINP(E)
    • Threat
      • P(B)
    • Vars
      • Q(a);N_GUARD,N_PINP(E),XS(C)::S(H)
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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).