24 teams in the tournament.
3 teams play in each game.
23 games are played by each team.
184 games are played in the whole tournament.
Each team plays every other team twice.

Games R...........B...B.....R...............G..R................G...B.......G..............R...............G.B.....B.G.....R.................R.....R.......G......R....G..B..B....G........... B..B................B...B..R....G.........G...........R......R.G.G.....B...B...G..........R..R...................R.............................G........B....G......R....R.......B...... G....R.B.....B.......B....G...G.B..G...........G.......B....R.............R..........................R................R.....B.G.....G.......R...................R.B.....R...........B... .R..R.....B...B.......B...........G.....G.......R.....B.........G.....B.R.............G...B...R.......G.G.............B..........................R.........B..R.G............G.......... .B.....R...R...B...G....G.....................R.............G.......R.......................B.....G...B............G...R..R.....R......B...............B..B.B....................G...R.G .G...........R.....B.......G.....G.........G....B.R........................................R...............R....R.................B..G....R.B...G.....G..B.......R.......B..B...B.....R. ..R...G..R....G.R..................................R.......B.....B............R...R......B..............B..........B......G..............B..G.......B....R..........G.G...G...B.....R... ..B..G......G.....B........B.....R.B.....G............G..............R..B.......G..B........R...G..........................B.......B..R..R................R....G.....G.........R........ ..G...........R..B......R....G.........B..R....B....G.....R.........B...G...........R...G......G.G.B.......B..G.B...........R........................R.............................R.... ...R.......B......R......B.....G...R.R......G..R..........B........G..................B..................R...G..........R.B..R.................B...G.....G.................G.B..G....... ...G.................G...R........B...B.R..R.B.....G.......G..G..........R..........B.............R.........B.....G.........G...B..R....................G......R..................B...B. ....B..........R..........R........................B...G.G...G..B......G....B...R....B..R......R.........G........R....B.B...G.......R...G...G........R................................. ....G...B.............G.....G.......R..G...B........B........B.....R.......R..B..R...................................G..G.....R..R.G......B...............G.......R...........R........B .....B.........................R............R...........G.........B...R....G.B......G...B..G.B......R.....G........R..G......................B..R.B...................B........G..G....R ......R..G...G......G..R.....R..R......R......G......................G......G.........R...........B....G..B.......B..B.....................B..R.B..B.......G.........R.................. ......B.R.....................B.....................R...R.................G..G.....R.G.............G........G..R................G.....B.B......R.G..G.B....R.B..................R....B.. .......G..R.................B............B...G....G.....B..R.....R...........................G.B.R.......................G.......G....G....G..B........R.........B.R....B..R.R.......... ........G..........R.R....B..B.B.B..G................G..........R..............R..B.........G................R...G..G...................R..R.........B........G....B......B.......R..... .........B.G...........G..............R.........G.B....R.........................B.....G..G.....R..R.B...B....B.....R..........G.B......G.........R............B......R..........R...... ..........G......R.....B.G........R..G....B....................B..........B.R.G.....................B..........B.......G...R...B..R.R..G..G........................G......R....B........ ............R..G....................B...B...B.B..G................G....................R.R.......B..........R.R..B.......R.G..B...G..............B.R...................G.G..........G... ................G...R........................R...B...R......B......B...R.B...R..B..G.....G....G........R...G....G.......B......R....B.............G....G......B......................... .................G............R......................B...R.....R..R..B...G.....B.G.........B....B.....R.R....................B................G.....R.......G.....G....R...B.......B..G. ..................G.........R........B...........R.......B....R.....G.............G....B......B.....G.....R.........B................B..................R....R..B....B..G...R.G....G.G..

As you can see, this one is much messier than other grids. I couldn't find a solution using my circular Golomb ruler approach, so I used a brute force approach instead, with GenerateShortRobin.exe from my Zone Grids apps.

22 team Tournament Grids 25 team