List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=4625
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "id": 138880,
            "name": "Live 9x9 Double Elimination Tournament 2026-04-02 14:30",
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                "id": 4,
                "username": "matburt",
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                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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            "description": "Automatic Site-wide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260410T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-04-10T10:00:34.755048Z",
                "lead_time_seconds": 1800,
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                    "maximum_players": 100
                },
                "next_run": "2026-04-10T14:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
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            "rules": "japanese",
            "time_per_move": 41,
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            "started": "2026-04-02T14:33:49.119281Z",
            "ended": "2026-04-02T14:58:25.133694Z",
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        {
            "id": 138846,
            "name": "Handicap Arena 2026 - 028",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
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            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
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            "title": null,
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            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
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            },
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                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
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            "id": 138885,
            "name": "Live 9x9 Double Elimination Tournament 2026-04-02 18:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                "base_points": "10.0"
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            "title": null,
            "tournament_type": "double_elimination",
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            "rules": "japanese",
            "time_per_move": 41,
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        {
            "id": 135235,
            "name": "ROAD to DAN",
            "director": {
                "id": 1864146,
                "username": "컬리타임",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/911e6202829231fef8fc97edf966f6bd?s=64&d=retro",
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            "description": "This tournament is for players who want to play FAST CORRESPONDENCE.\n\nDouble Elimination for 25k~1k\n\nStart Time: 1 day 12 hours\n\nIncrements Time (Ficher): 6 hours\n\nMax. Time: 3 days\n\nBE CAREFUL about the time settings.\n\nNo pause and No vacation, anyone who turns on the vacation mode or pauses a game, will be disqualified.  (If you notice a player violating the above rules, please notify the tournament administrator.)\n\nPlease send <a href=\"https://online-go.com/user/view/1864146\" target=\"_blank\">Tournament Director</a> the tournament director a message or <a href=\"https://online-go.com/player/1776211/\" target=\"_blank\">MAESTRO of BADUK </a> if you find that your opponent pauses or turns vacation mode on.\n\n-----\nRestricted Rank: 1k\n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to November 11)\n\n-----\nIf there are 16 or fewer players in the Q- round, the  top two players  will advance to the finals. If there are 16 to 32 players, the top 4 players will advance to the finals round.\n\nFeel free to give tips to your opponent after the game. It could be how we can improve Baduk/Go.\n\nDo not use AI\n\n-----",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 22626,
            "time_control_parameters": {
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 21600,
                "initial_time": 129600,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15815,
                "name": "RollingStones : Global & 한국인",
                "summary": "한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.",
                "require_invitation": false,
                "is_public": true,
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                "hide_details": false,
                "member_count": 68,
                "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"
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            "time_start": "2025-12-20T03:00:00Z",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-18T16:08:42.012426Z",
            "ended": null,
            "start_waiting": "2025-12-18T16:08:41.520977Z",
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            "active_round": 5,
            "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png",
            "player_count": 32,
            "ranked": true
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        {
            "id": 138740,
            "name": "FNRRT: Round Robin for 25k-14k [FAST?] # III",
            "director": {
                "id": 1872546,
                "username": "Sch-Mentor",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png",
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            "description": "Things to keep in mind:\n* Use the conditional move feature to speed up the game.\n* No pauses and no vacations are allowed; if any player switch it on, then they will be disqualified without further notice or reminder (unless they have an urgent matter to attend to and give notice to TD).\n* Disqualification will occur automatically by the site if a player loses by timeout (if they have more than 50 active games they will be disqualified by the TD too).\n* If disqualified by the TD, all outstanding games will be forfeited, which will affect the player’s ranking.\n* If you find that a player pauses the game, enters vacation mode or has bad behavior, please send a message to the TD.\n* And last but not least: no weekends, just make your move; it’s a tournament, my friend!\n\nNote: OGS has a new feature that automatically turns on vacation mode when a player is reaching a possible lost by timeout. Make sure to disable it in https://online-go.com/settings/vacation",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
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                "name": "Fast and narrow rank range tournaments",
                "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.",
                "require_invitation": true,
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                "admin_only_tournaments": true,
                "hide_details": false,
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            "player_count": 10,
            "ranked": true
        },
        {
            "id": 138742,
            "name": "FNRRT: Round Robin for 9k-6k [FAST?] # III",
            "director": {
                "id": 1872546,
                "username": "Sch-Mentor",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png",
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                        "deviation": 250,
                        "volatility": 0.06
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            "description": "Things to keep in mind:\n* Use the conditional move feature to speed up the game.\n* No pauses and no vacations are allowed; if any player switch it on, then they will be disqualified without further notice or reminder (unless they have an urgent matter to attend to and give notice to TD).\n* Disqualification will occur automatically by the site if a player loses by timeout (if they have more than 50 active games they will be disqualified by the TD too).\n* If disqualified by the TD, all outstanding games will be forfeited, which will affect the player’s ranking.\n* If you find that a player pauses the game, enters vacation mode or has bad behavior, please send a message to the TD.\n* And last but not least: no weekends, just make your move; it’s a tournament, my friend!\n\nNote: OGS has a new feature that automatically turns on vacation mode when a player is reaching a possible lost by timeout. Make sure to disable it in https://online-go.com/settings/vacation",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
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            "time_control_parameters": {
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                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
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            "exclude_provisional": true,
            "group": {
                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
                "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
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                "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-04-13T23:33:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 21,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-05T10:48:04.337664Z",
            "ended": null,
            "start_waiting": "2026-04-05T10:48:03.418655Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 138741,
            "name": "FNRRT: Round Robin for 13k-10k [FAST?] # III",
            "director": {
                "id": 1872546,
                "username": "Sch-Mentor",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 250,
                        "volatility": 0.06
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                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Things to keep in mind:\n* Use the conditional move feature to speed up the game.\n* No pauses and no vacations are allowed; if any player switch it on, then they will be disqualified without further notice or reminder (unless they have an urgent matter to attend to and give notice to TD).\n* Disqualification will occur automatically by the site if a player loses by timeout (if they have more than 50 active games they will be disqualified by the TD too).\n* If disqualified by the TD, all outstanding games will be forfeited, which will affect the player’s ranking.\n* If you find that a player pauses the game, enters vacation mode or has bad behavior, please send a message to the TD.\n* And last but not least: no weekends, just make your move; it’s a tournament, my friend!\n\nNote: OGS has a new feature that automatically turns on vacation mode when a player is reaching a possible lost by timeout. Make sure to disable it in https://online-go.com/settings/vacation",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
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                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
                "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png"
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            "time_start": "2026-04-13T23:33:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 17,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-07T10:45:17.095709Z",
            "ended": null,
            "start_waiting": "2026-04-07T10:45:15.633366Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 93870,
            "name": "9x9 Mini League 10k-25k #78",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
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                        "deviation": 68.40835436496026,
                        "volatility": 0.060201985871587475
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                },
                "ranking": 22.135324747759174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. 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": 89280,
            "time_control_parameters": {
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                "time_control": "fischer",
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                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
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            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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