List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5383
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "Mid-Speed Open (9x9)  #6",
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                "username": "eaglejoy",
                "country": "001",
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            "started": "2023-04-22T22:09:18.259453Z",
            "ended": "2023-05-02T18:54:11.683031Z",
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        {
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            "description": "Since there is a new rating system, it's time to play more games and get your rank sorted out. I'm setting up three tournaments for each playing level. Have fun everyone!",
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                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
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            "ended": "2019-03-28T23:29:13.675755Z",
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        {
            "id": 4128,
            "name": "4 Months to Save the UK!",
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                "id": 913,
                "username": "orbitaleccentric",
                "country": "154",
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            "description": "from itself...",
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            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
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                "is_public": true,
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            "auto_start_on_max": true,
            "time_start": "2015-01-17T21:00:00Z",
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            "subsequent_pairing_method": "random",
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            "started": "2015-01-17T15:35:11.213080Z",
            "ended": "2015-06-03T23:42:22.049279Z",
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        {
            "id": 64587,
            "name": "18 Encuentro de Go, agosto 2020",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
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                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
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            "description": "Este es el torneo bueno",
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            "title": null,
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                "system": "byoyomi",
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                "speed": "live",
                "pause_on_weekends": false,
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                "periods": 3
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            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
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                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
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            },
            "auto_start_on_max": false,
            "time_start": "2020-08-22T22:30:00Z",
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            "subsequent_pairing_method": "slaughter",
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            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-08-22T22:30:28.003795Z",
            "ended": "2020-08-22T23:50:22.672886Z",
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        {
            "id": 103899,
            "name": "MS Long Live (9x9) #1",
            "director": {
                "id": 1341412,
                "username": "match_Mid-Speed.gr",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png",
                "ratings": {
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                },
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            },
            "description": "Note: This Live tournament mainly covers Saturday and Sunday in different time-zones.\n\n<table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width:px;\">\n    <tbody>\n        <tr>\n            <td> </td>\n            <td>GMT+8</td>\n            <td>GMT+1</td>\n            <td>GMT-5</td>\n            <td> </td>\n        </tr>\n        <tr>\n            <td>Starting time</td>\n            <td>Fri. 21:00</td>\n            <td>Fri. 14:00</td>\n            <td>Fri. 8:00</td>\n            <td> </td>\n        </tr>\n        <tr>\n            <td>The Earilest Ending time</td>\n            <td>Tue. 1:00</td>\n            <td>Mon. 18:00</td>\n            <td>Mon. 12:00</td>\n            <td> </td>\n        </tr>\n        <tr>\n            <td>The Latest Ending time</td>\n            <td>Wed. 21:00</td>\n            <td>Wed. 14:00</td>\n            <td>Wed. 8:00</td>\n            <td> </td>\n        </tr>\n    </tbody>\n</table>\n\n<h2>Rules</h2>\n\n<ul>\n\n<li>If no time, resign.</li>\n<li>Pausing or Vacation setting is absolutely forbidden</li>\n\n</ul>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
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            "time_per_move": 3727,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
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                "period_time": 3600,
                "periods": 60
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            "exclude_provisional": true,
            "group": {
                "id": 12936,
                "name": "Mid-speed",
                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 21,
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            "auto_start_on_max": false,
            "time_start": "2023-06-09T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-09T13:00:24.975264Z",
            "ended": "2023-06-13T12:29:12.085898Z",
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            "ranked": true
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        {
            "id": 76275,
            "name": "Euro 2020 Group 1",
            "director": {
                "id": 777164,
                "username": "sweissner2",
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                "icon": "https://user-uploads.online-go.com/678047e226d2c7bf4aeac51b8ac1b72d-64.png",
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            "description": "For all soccer/football and Go fans:\nThis is a tournament with 4 simultaneous round-robin groups, 4 players each. Please sign up for ONLY 1 group.\nAfter the group phase is finished, there will be an invite-only single elimination tournament for the top 2 finishers in each group.\nstarts when full",
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                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
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            "subsequent_pairing_method": "slaughter",
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        {
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                "username": "dietrenke",
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                "icon": "https://secure.gravatar.com/avatar/d50b3fabb9f82d42b4e7e74b04b4957d?s=64&d=retro",
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            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
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                "admin_only_tournaments": false,
                "hide_details": false,
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            "subsequent_pairing_method": "strength",
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            "ended": "2013-04-06T17:52:29Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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            "ranked": true
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        {
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            "name": "9x9 New Zealand 15k-1k League #17",
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            "title": null,
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                "hide_details": false,
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
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            "ended": "2025-02-15T14:47:27.551080Z",
            "start_waiting": "2025-02-03T19:07:11.706109Z",
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        {
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                "professional": false,
                "ui_class": ""
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            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
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            "group": {
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 708,
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