OPENING CHESS THEORY      

- ECO CODES BASE - RESEARCH -

Updated: June 2008  

Alphabetic research
by Theoretical Themes


- O -


Obstruction

  Obstructed Open File                      OBOF
  Obstructive Move                         OBSM
  Obstructive Sacrifice   OBSS

Open

  Open Game                                       OPGA
  Open File   OPFI
  Totally Open File   TOPF
  Open File Fight   OPFF
  Obstructed Open File   OBOF

Open File Attack

  a-Open File Attack                          AOFA
  b-Open File Attack   BOFA
  c-Open File Attack   COFA
  d-Open File Attack   DOFA
  e-Open File Attack   EOFA
  f-Open File Attack   FOFA
  g-Open File Attack   GOFA
  h-Open File Attack   HOFA

Opening

  Chess Opening Theory                   COTX
  Opening Theoretical Phase   OPTP
  Opening Speculative Phase   OPSP
  Opening Critical Phase   OPCP

Opening ECO Classification

  Totally Pure Opening                     TPOP
  Quasi Pure Opening   QPOP
  Relatively Mixed Opening   RMOP
  Strongly Mixed Opening   SMOP
  Chameleon Opening   CHOP

Opposite

  Bishops of Opposite Color             BIOC
  Opposite Side Castles   OSCA
  Opposite Side Battles   OSBA

Opposition

  King Opposition                              KOPP

Overload

  White Queen Overload                 WQOV
  Black Queen Overload   BQOV
  White Rook Overload   WROV
  Black Rook Oberload   BROV
  White Knight Overload   WNOV
  Black Knight Overload   BNOV
  White Bishop Overload   WBOV
  Black Bishop Overload   BBOV


Chess-Theory Forums - ECO Codes Base
(Click to access the specialized sub-forum)


Chess-Theory Forums - ECO Codes Base


      OPENING CHESS THEORY      

- ECO CODES BASE - RESEARCH -

Updated: June 2008  

Alphabetic research
by Theoretical Themes


   A    B    C    D    E
   F    G    H    I    J
   K    L    M    N    O
   P    Q    R    S    T
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