MESON Chess Problem Database

Problem Display
PID: 121267 (8/K7/5p2/N5N1/1p1k4/6Q1/2P2P2/8 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

La Strategie, 1906

8/K7/5p2/N5N1/1p1k4/6Q1/2P2P2/8

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd5!
    • 1.Qd3+?
      • 1...Kc5
        • 2.Se4#
        • 2.Se6#
      • 1...Ke5!
  • Keys
    • 1.c4!
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Se6#
      • 1...bxc4 ep
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(A);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);S_FLIGHT::S(E)
      • P(a);EP,XP(A)::QAR2(C)
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).