04. 07. 2021
CQL6 quick overview
CQL6 (Chess Query Language) is both
- software engine for searching in chess databases, specialized for EG studies
- a special query language for this purpose
CQL runs now on 64bit Windows only
CQL was developed by Gady Costeff and
It is copyright (c) 2003-2019 and is free.
It uses SCID code by Shane Hudson to parse PGN files.
Download and documentation
Tutorial (c) 2019-2020 Lionel Hampton, very detailed examples https://haydoooke.github.io/Scidpp/cqltut.html
VisualCQL6 quick overview
VisualCQL6.1 is a user-friendly Windows IDE allowing to run CQL engine without
using a command line interface.
It has also several features to accelerate and ease the whole working process.
Version 6.1 supports several new features, the main one is the hhdb
To use it, update the cql engine http://www.gadycosteff.com/cql/download.html
VisualCQL6.1 was developed by Emil Vlasak and it is
free after e-mail registration.
Anonymous download is no more available.
VisualCQL registerd users: Gady
Costeff, Harold van der Heijden, Tim Krabbé, John Beasley, Jaroslav Poláek,
Guy Haworth, Iuri Akobia, Lewis Stiller, Ron Landsbergen, Cornel Pacurar, Piet Peelen, Karl Prendergast, Ernst Wasl,
Arpad Rusz, Charles W. Browne, Han Bükülmez, David Dahlem, Germàn Antonio De Leon, David Smerdon, Roland Ott,
Albrecht Schmidt, John Dodgson.
VisualCQL5 registered users: Gady Costeff, Lewis Stiller, Harold van der Heijden, Jaroslav Poláek, Michael Sharpe, Carlos Arturo Rangel Collazos, Árpád Rusz.
VisualCQL6 registered users: Harold van der Heijden, Jaroslav Poláek, Michael Sharpe, Ulrich Dirr, Klaus D. Mueller, Yves Quintal, James Pelletier
Old CQL5 page Old CQL page