usage: ordo [-OPTION]

 -h, --help               print this help and exit
 -H, --show-switches      print switch information and exit
 -v, --version            print version number and exit
 -L, --license            print license information  and exit
 -q, --quiet              quiet mode (no progress updates on screen)
     --silent             same as --quiet
 -Q, --terse              same as --quiet, but shows simulation counter
 -a, --average=NUM        set rating for the pool average
 -A, --anchor=<player>    anchor: rating given by '-a' is fixed for <player>
 -V, --pool-relative      errors relative to pool average, not to the anchor
 -m, --multi-anchors=FILE multiple anchors: file contains rows of 
                          "AnchorName",AnchorRating
 -y, --loose-anchors=FILE loose anchors: file contains rows of 
                          "Player",Rating,Uncertainty
 -r, --relations=FILE     relations: rows of 
                          "PlayerA","PlayerB",delta_rating,uncertainty
 -R, --remove-older       no output of older 'related' versions (given by -r)
 -w, --white=NUM          white advantage value (default=0.0)
 -u, --white-error=NUM    white advantage uncertainty value (default=0.0)
 -W, --white-auto         white advantage will be automatically adjusted
 -d, --draw=NUM           draw rate value % (default=50.0)
 -k, --draw-error=NUM     draw rate uncertainty value % (default=0.0 %)
 -D, --draw-auto          draw rate value will be automatically adjusted
 -z, --scale=NUM          set rating for winning expectancy of 76% (default=202)
 -T, --table              display winning expectancy table
 -p, --pgn=FILE           input file, PGN format
 -P, --pgn-list=FILE      multiple input: file with a list of PGN files
 -o, --output=FILE        output file, text format
 -c, --csv=FILE           output file, comma separated value format
 -E, --elostat            output files in elostat format (rating.dat, 
                          programs.dat & general.dat)
 -j, --head2head=FILE     output file with head to head information
 -g, --groups=FILE        outputs group connection info (no rating output)
 -G, --force              force program to run ignoring isolated-groups warning
 -s, --simulations=NUM    perform NUM simulations to calculate errors
 -e, --error-matrix=FILE  save an error matrix (use of -s required)
 -C, --cfs-matrix=FILE    save a matrix (comma separated value .csv) with 
                          confidence for superiority (-s was used)
 -J, --cfs-show           output an extra column with confidence for superiority
                          (relative to the player in the next row)
 -F, --confidence=NUM     confidence to estimate error margins (default=95.0)
 -X, --ignore-draws       do not take into account draws in the calculation
 -t, --threshold=NUM      threshold of games for a participant to be included
 -N, --decimals=<a,b>     a=rating decimals, b=score decimals (optional)
 -M, --ML                 force maximum-likelihood estimation to obtain ratings
 -n, --cpus=NUM           number of processors used in simulations
 -U, --columns=<a,..,z>   info in output (default columns are "0,1,2,3,4,5")
 -Y, --synonyms=FILE      name synonyms (comma separated value format). Each 
                          line: main,syn1,syn2 or "main","syn1","syn2"
     --aliases=FILE       same as --synonyms FILE
 -i, --include=FILE       include only games of participants present in FILE
 -x, --exclude=FILE       names in FILE will not have their games included
     --no-warnings        supress warnings of names from -x or -i that do not 
                          match names in input file
 -b, --column-format=FILE format column output, each line being 
                          <column>,<width>,"Header"