---
name: "nauty-gentourng"
section: "1"
platform: "linux"
package: "nauty"
version: "2.8.9+ds-1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nauty-gentourng"
---

# nauty-gentourng(1)

generate small tournaments

## NAME

nauty-gentourng - generate small tournaments

## SYNOPSIS

**gentourng** \[*-cd#D#*\] \[*-ugsz*\] \[*-lq*\] *n* \[*res/mod*\] \[*file*\]

## DESCRIPTION

-

  Generate all tournaments of a specified class.

- n

  : the number of vertices

-

  res/mod : only generate subset res out of subsets 0..mod-1

- **-c**

  : only write strongly-connected tournaments

- **-d**#

  : a lower bound for the minimum out-degree

- **-D**#

  : a upper bound for the maximum out-degree

- **-l**

  : canonically label output graphs

- **-u**

  : do not output any graphs, just generate and count them

- **-g**

  : use graph6 output (lower triangle)

- **-s**

  : use sparse6 output (lower triangle)

- **-z**

  : use digraph6 output

- **-h**

  : write a header (only with **-g** or **-s**)

-

  Default output is upper triangle row-by-row in ascii

- **-q**

  : suppress auxiliary output

-

  See program text for much more information.