.CTG

.CTG file extension

This is the basic program to work with .CTG extension

ChessBase Light 2007

ChessBase Light 2007 ChessBase openings book

The program works with the following extensions: cp2, cbc, cp3, cbe, cpn, cbf, cpo, ctb, cbh, ctg, cbm, cto, cbp, pgi, cbt, pgn, cbv, cbz, cib, cit, ck1, cbs, ck2, ck3, cko, ckn, cba, cp1, cbb and cbgi

.CTG extension is also supported by the following programs:

ChessBase

ChessBase ChessBase openings book

ChessBase 13 is a personal, stand-alone chess database.
ChessBase 9

ChessBase 9 ChessBase openings book

WhereIsIt

WhereIsIt WhereIsIt? Catalog Group File

32-bit media catalog.
GWhere

GWhere MySQL Tools for

GWhere allows you to manage a catalog of your CDs and any other removable media.
ChessBase Reader

ChessBase Reader ChessBase openings book

Read chess games written in various formats and display them on a chess board.