List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4703
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60194,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4704",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4702",
    "results": [
        {
            "id": 136538,
            "name": "1st Go Genius 9×9 Mini Tournament",
            "director": {
                "id": 865775,
                "username": "tomsyd22",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b1446e2ddb58c18279928ea696efa77c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2352.0405024169886,
                        "deviation": 70.49889343727092,
                        "volatility": 0.060015080716221976
                    }
                },
                "ranking": 34.716672173966344,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go Genius 9×9 Mini Tournament\n9-round Swiss\nBoard size: 9×9\nTime control: 3 minutes main time + 3 × 10s byo-yomi\nOpen to all ranks\nFirst-ever Go Genius 9×9 tournament\nFast games, quick rounds, no pressure.\nJust play and enjoy.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 10,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15807,
                "name": "Go Genius",
                "summary": "Learn Go from Australian Go Champion Tom Chen.\nUnlock your mind’s potential in 30 days.\nJoin a global dojo of mastery and intelligence.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 22,
                "icon": "https://user-uploads.online-go.com/7d077b5fce1a663573a6d18760c34a92-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-23T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-23T21:00:35.226931Z",
            "ended": "2026-01-23T22:06:34.580405Z",
            "start_waiting": "2026-01-23T21:00:34.823671Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7d077b5fce1a663573a6d18760c34a92-15.png",
            "player_count": 20,
            "ranked": false
        },
        {
            "id": 110341,
            "name": "Nashdom051807237 2nd",
            "director": {
                "id": 1477411,
                "username": "Freepee",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9cdd7cb0b2b166cd6fb4c334880ffeee?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1381.9150929257726,
                        "deviation": 258.03050657978235,
                        "volatility": 0.059998859516693155
                    }
                },
                "ranking": 22.405202041845296,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "https://online-go.com/user/verifyEmail?id=1477413&v=17f338cfcbe2a56b78a0002f5d96a175",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13846,
                "name": "Peepe3",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-06T04:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-13T13:52:27.452418Z",
            "ended": "2024-07-13T13:52:27.422425Z",
            "start_waiting": "2024-07-13T13:52:26.899338Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 126817,
            "name": "Турнир🤯🤯🤯",
            "director": {
                "id": 1460731,
                "username": "добрыня. pro",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/1c25f90260f1772d7745aab3e4482d04-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1068.3007029993528,
                        "deviation": 63.05591165146429,
                        "volatility": 0.06112054033057077
                    }
                },
                "ranking": 16.44636825268986,
                "professional": false,
                "ui_class": ""
            },
            "description": "Турнир🤯🤯🤯",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15184,
                "name": "Татарстан",
                "summary": "<img src=\"http://kazchess.ru/wp-content/uploads/2020/02/%D1%84%D0%BE%D1%82%D0%BE-%D0%B4%D0%B5%D1%82.jpg\">",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 33,
                "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-26T08:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-26T08:00:15.509917Z",
            "ended": "2025-03-26T08:00:15.492751Z",
            "start_waiting": "2025-03-26T08:00:15.441581Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 104461,
            "name": "9x9 Mini League 5k-15k #27",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1325.0529908848616,
                        "deviation": 70.58676374549262,
                        "volatility": 0.06023746882442591
                    }
                },
                "ranking": 21.43248918766429,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "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": 712,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-06-25T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-25T17:08:09.263310Z",
            "ended": "2023-08-07T20:11:39.060422Z",
            "start_waiting": "2023-06-25T17:08:09.106496Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 99215,
            "name": "Tournoi du lapin d'eau",
            "director": {
                "id": 44353,
                "username": "Pastlink",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/719fa6552c7eb9dde35b3beef6f4cf45-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2220.88780422905,
                        "deviation": 93.52005948267339,
                        "volatility": 0.05999276623074664
                    }
                },
                "ranking": 33.388412621983875,
                "professional": false,
                "ui_class": ""
            },
            "description": "Nouvel an chinois",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 34,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 300,
                "stones_per_period": 15
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12392,
                "name": "Kantai - Charente-Maritime",
                "summary": "Bienvenue sur le site du Kantai — Club de go de Charente-Maritime\n\nNous nous réunissons régulièrement pour jouer au Go, initier de nouvelles personnes et partager notre passion de ce jeu millénaire sur Rochefort, La Rochelle mais également Genouillé. Nous ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/7869db3c7d93ddb0d3f75b4453108815-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-23T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-01-23T20:00:31.201208Z",
            "ended": "2023-01-23T21:18:19.176263Z",
            "start_waiting": "2023-01-23T20:00:30.507412Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7869db3c7d93ddb0d3f75b4453108815-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 9627,
            "name": "Sunjang Baduk Tournament 4th Season (Group B2)",
            "director": {
                "id": 535,
                "username": "rhubarb",
                "country": "_Northern_Ireland",
                "icon": "https://secure.gravatar.com/avatar/e72f00444b297c33407cc0ab7736395b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1306.030104205246,
                        "deviation": 63.318385799803025,
                        "volatility": 0.059791669817723964
                    }
                },
                "ranking": 21.097731611112202,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "## <i class=\"fontnova-turtle\"></i> Correspondence Sunjang Baduk Tournament\n### Season 4 - Group B2#\n\n###**Read the description below.** \n- ####You have **7 days** to join your round-robin after receiving the invitation\n- ####<font color=\"red\">**SPECIAL OPENING RULES:**</font> ([See description][Correspondence Tournament])\n\n&ensp;&ensp; ![Opening Rule][sunjang opening]\n___ \n###  **Title Holder:** <font color=\"gold\">**🏆**</font> [illluck] <font color=\"gold\">**🏆**</font> \n\n<table border='2'>\n  <tr>\n    <th colspan=\"9\"><i class=\"fontnova-turtle\"></i> [Correspondence \nTournament]</th>\n  </tr>\n  <tr>\n    <th width=\"70\" rowspan=\"3\">Season</td>\n    <th width=\"90\" rowspan=\"3\"><font \ncolor=\"Gold\">Champion<br>🏆</font></td>\n    <th width=\"90\" rowspan=\"3\"><font \ncolor=\"silver\">Runner-up<br>🏆</font></td>\n    <th width=\"90\" rowspan=\"3\"><font color=#CD7F32> 3rd \nPlace<br>🏆</font></td>\n    <th colspan=\"5\">Groups / Rounds</td>\n  </tr>\n  <tr>\n    <th width=\"45\" rowspan=\"2\">*Final*</td>\n    <th colspan=\"4\">Divisions</td>\n  </tr>\n  <tr>\n    <th width=\"60\" colspan=\"2\">*A*</td>\n    <th width=\"30\">*B*</td>\n    <th width=\"30\">*C*</td>\n  </tr>\n  <tr>\n    <td>2011</td>\n    <td>[vitality]</td>\n    <td>[Uberdude]</td>\n    <td>[illluck]</td>\n    <td>-</td>\n    <td>[A](https://online-go.com/tournament/1533)</td>\n    <td>-</td>\n    <td>[B](https://online-go.com/tournament/1532)</td>\n    <td>-</td>\n  </tr>\n  <tr>\n    <td>2012</td>\n    <td>[illluck]</td>\n    <td>[fengitreon]</td>\n    <td>[MatCauthon]</td>\n    <td>-</td>\n    <td>[A](https://online-go.com/tournament/1975)</td>\n    <td>-</td>\n    <td>[B](https://online-go.com/tournament/1976)</td>\n    <td>-</td>\n  </tr>\n  <tr>\n    <td>2013-14</td>\n    <td>[illluck]</td>\n    <td>[ZyBeX86]</td>\n    <td>[kavias]</td>\n    <td>[🏆](https://online-go.com/tournament/2984)</td>\n    <td>[A1](https://online-go.com/tournament/2709)</td>\n    <td>[A2](https://online-go.com/tournament/2711)</td>\n    <td>[B](https://online-go.com/tournament/2712)</td>\n    <td>[C](https://online-go.com/tournament/2713)</td>\n  </tr>\n</table>\n___\n###**Format:** League\n\n###The Divisions:\n- Hierarchical structure, labeled ***A***, ***B***, ***C***, \n***D***, etc.\n- Assorted in groups. Top division has two (**A1**, **A2**)\n- Players of similar strength\n\n###The Groups:\n- 5 to 9 players (ideally 7)\n- Seeded by strength (<i class=\"fa\">&#xf10c;</i> overall rank) \n- Compete in a *Simultaneous Round-robin*\n\n###The Final Round: 3 players\n- Qualify: the winners of **A1** and **A2**, and the *Title \nHolder*.\n- Merit based tie-break (good title defense, good performance in \nprevious round)\n- A third player<sup>1</sup> may be drawn if needed\n\n### The games:\n- Fischer Timing, 3 days on the initial timer and 1 day increment \nper move (capped at 7 days). No weekend stop\n- No handicap, 6.5 komi. **Sunjang Baduk** starting position\n- Korean rules\n- **Conditional moves** enabled\n\n###Promotions & Demotions:\n- Best player<sup>1</sup> per Group promotes one division up\n- Worst 3 players<sup>1</sup> per Division demote one division down\n- Dropped and disqualified players reapply as new players\n- Promotions based on rank may be awarded to fill available space \n(both new and old players apply, even if demoted).\n___\n\n####Notes\n<sup>1</sup>Best and worst players are determined first by Scored \nPoints, then the Sum of defeated opponent's scores (SODOS) and \nlastly by <i class=\"fa\">&#xf10c;</i> overall rank.\n\nFor more details you may visit the [Sensei's pages][Correspondence \nTournament].\n\n[fengitreon]: https://online-go.com/user/view/11442/fengitreon\n[illluck]: https://online-go.com/user/view/8913/illluck\n[kavias]: https://online-go.com/user/view/4048\n[MatCauthon]: https://online-go.com/user/view/5832/MatCauthon\n[vitality]: https://online-go.com/user/view/35184/vitality\n[Uberdude]: https://online-go.com/user/view/8592/Uberdude\n[ZyBeX86]: https://online-go.com/user/view/52701\n\n[group]: https://online-go.com/group/142\n[sunjang opening]: http://i.imgur.com/vdZ0oLB.png?1\n[Correspondence Tournament]: http://senseis.xmp.net/?SunjangBadukTournamentAtOGS",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 142,
                "name": "Sunjang Baduk - 순장바둑",
                "summary": "For those who would like to play Sunjang Baduk, a form of Go which was popular in Korea (Joseon) through the 16th century.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 199,
                "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-08-09T23:01:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2015-08-04T03:44:58.907724Z",
            "ended": "2015-11-26T20:33:52.309292Z",
            "start_waiting": "2015-08-04T03:44:58.411373Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 121581,
            "name": "Killers and war ⚔️",
            "director": {
                "id": 1132253,
                "username": "deleted-13c73d02-5c16-46c5-8f5d-87996b335555",
                "country": "vn",
                "icon": "https://user-uploads.online-go.com/a8ca25f012aedd4df89c8819025ad763-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1523.8669659142925,
                        "deviation": 67.33914967006575,
                        "volatility": 0.06023652219553718
                    }
                },
                "ranking": 24.668829300734988,
                "professional": false,
                "ui_class": ""
            },
            "description": "Đánh cờ vây như bình thường!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 107733,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14736,
                "name": "Nhóm việt nam ",
                "summary": "Admin ở nhóm này là 4 người mạnh nhất và Sunraku.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 25,
                "icon": "https://user-uploads.online-go.com/ac568d0e999cc3e3297eb3cd4588015b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-11-03T08:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 8,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-11-03T08:30:33.828104Z",
            "ended": "2024-11-29T12:33:07.578975Z",
            "start_waiting": "2024-11-03T08:30:33.775035Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac568d0e999cc3e3297eb3cd4588015b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 98108,
            "name": "Praha 54",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 31,
                "name": "Český pokoj",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 50,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-22T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 18,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-22T06:58:16.886886Z",
            "ended": "2023-04-15T13:04:16.737465Z",
            "start_waiting": "2022-12-22T06:58:16.145781Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 89083,
            "name": "How to play together",
            "director": {
                "id": 1004222,
                "username": "giyuchamp official",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/88a6a049e3c7a0ef44dd5c321055d50a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 887.061763909071,
                        "deviation": 93.84141896397341,
                        "volatility": 0.060018045678905355
                    }
                },
                "ranking": 12.142553494634063,
                "professional": false,
                "ui_class": ""
            },
            "description": "This not rank game",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11651,
                "name": "Champ like play go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/d3abfc20cb51eaa0fb4e6f52a60f7f95-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-16T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-16T09:00:17.935259Z",
            "ended": "2024-05-05T00:15:23.958945Z",
            "start_waiting": "2023-02-16T09:00:17.365657Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3abfc20cb51eaa0fb4e6f52a60f7f95-15.png",
            "player_count": 33,
            "ranked": true
        },
        {
            "id": 99278,
            "name": "Correspondence 13x13 RoundRobin 2023-01-24 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260709T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-07-09T19:00:18.834466Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-07-12T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-01-24T19:00:28.725315Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-24T19:01:11.393001Z",
            "ended": "2023-05-03T16:29:24.269532Z",
            "start_waiting": "2023-01-24T19:01:10.945608Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 9,
            "ranked": true
        }
    ]
}