Navigation

List of studies

The examples use the studies in the sample PGN file.

The documentation for specific filters references the following specific studies as well:

filterstudy
attacksArestov 2013
attacksBazlov 2008
betweenHlebec 2015
colortypeKorolkov 1972
commentLucena 1497
commentTroitzky/Korolkov 1938
darkNunn 1994
direction filtersAliev/Shukurov 2008
.Becker 2013
echoKorolkov 1972
echoSalai 2011
==Elkies 1993
lightTroitzky 1910
mateArestov 2013
inKorolkov 1937
introductionArestov 2013
piecevan Reek 1987
pieceidDidukh 2006
pinMelnichenko 2014
powerKosek 1926
powerDawson 1945
stalemateMatous 2007
xrayCosteff 1996

INDEXES

  • table of filters
  • full index
  • unicode symbols
  • ASCII symbols
  • table of tables
  • filters by topic

Examples

  • CQL By Example
  • examples main page
  • QQqq
  • lone knight mate
  • Greek gift
  • smothered mate
  • mirror mate
  • rook: 4 corners, 3 moves
  • queen staircase
  • interference theme
  • Turton theme
  • Ding's theme

New in CQL 6.2

  • new features
  • unicode
  • palette
  • ―― and ×
  • ⊢
  • /// concise annotation syntax
  • ◎
  • →
  • ←
  • ✵
  • ⬓
  • puremate, etc.
  • atomic variables
  • keepallbest
  • similarposition
  • more powerful dictionaries
  • try
  • current move filters
  • CQL font

GETTING AND RUNNING CQL

  • Download CQL
  • Windows GUI
  • Release notes
  • Installation
  • How to run CQL
  • Command line options
  • Programming from the command line

KEY CONCEPTS

  • overview
  • file structure
  • current position
  • game tree
  • header
  • piece designators
  • filters
  • precedence
  • values
  • variables
  • transforms
  • Heijden Database VI interface

QUICK LINKS

  • all CQL filters
  • find filter
  • Heijden database VI interface
  • Strings and regular expressions
  • ~~ for regex matching
  • FAQ
  • CQL support
  • CQL Home