HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58694,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5809",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5807",
"results": [
{
"id": 45891,
"name": "[ 19×19 ] Correspondence tournament",
"director": {
"id": 607169,
"username": "Koreadars",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2357.1359340613008,
"deviation": 75.92640303674303,
"volatility": 0.0600299512870185
}
},
"ranking": 34.76676980364381,
"professional": false,
"ui_class": ""
},
"description": "Correspondence tournament starting: 2019/02/24 15:00.",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 28,
"name": "Teaching League",
"summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4436,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-02-24T14:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2019-02-24T15:10:26.925282Z",
"ended": "2019-04-13T15:20:52.119681Z",
"start_waiting": "2019-02-24T15:10:26.016488Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 122221,
"name": "Live 19x19 Swiss Tournament 2024-11-15 16:30",
"director": {
"id": 4,
"username": "matburt",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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 Site-wide Tournament",
"schedule": {
"id": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251216T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-16T12:01:03.001330Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-16T16:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 35,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2024-11-15T16:30:01.034031Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-11-15T16:30:01.202448Z",
"ended": "2024-11-15T17:37:17.570415Z",
"start_waiting": "2024-11-15T16:30:01.062956Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6,
"ranked": true
},
{
"id": 106127,
"name": "September 2023 19x19 B League Correspondence (DDK)",
"director": {
"id": 335825,
"username": "Petrich0r",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/5646a0982ac7b74262b8838271d83830-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 926.8084325955595,
"deviation": 64.20317662774292,
"volatility": 0.060036609847286614
}
},
"ranking": 13.157270750685203,
"professional": false,
"ui_class": ""
},
"description": "Have fun.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15084,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"time_increment": 14400,
"initial_time": 86400,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 7228,
"name": "DDK Proving Grounds (Double Digit Kyu)",
"summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 643,
"icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-09-01T19:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-09-01T19:00:11.173880Z",
"ended": "2023-09-30T22:26:39.015853Z",
"start_waiting": "2023-09-01T19:00:11.089244Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 405,
"name": "Lets Play!!!!!!!!!!!!!!!!!!!!!!!!!!",
"director": {
"id": 9548,
"username": "greenday",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/f812291e86e5d515984dc44cf9d41ac3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 911.7257628799711,
"deviation": 71.46713292004705,
"volatility": 0.05997623920708069
}
},
"ranking": 12.777433771897915,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 380,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-01-08T17:20:00Z",
"ended": "2008-02-27T12:25:00Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 2920,
"name": "New Zealand Nines",
"director": {
"id": 52052,
"username": "ST000MA",
"country": "rs",
"icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1735.9479658076127,
"deviation": 63.2800700479091,
"volatility": 0.062208810215156
}
},
"ranking": 27.685331745810487,
"professional": false,
"ui_class": ""
},
"description": "Komi is 7 (New Zealand rules). Note that in New Zealand rules draw is possible. Although on new OGS that is impossible, in this tournament for draw both players will get 0.5 points. Note that suicide is also possible!",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "nz",
"time_per_move": 87360,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 86400,
"max_time": 172800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 196,
"name": "FUN GO FUN",
"summary": "Welcome to FUN GO FUN.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 185,
"icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-64.png"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-06-06T20:35:01.129304Z",
"ended": "2014-07-04T17:41:53.049984Z",
"start_waiting": "2014-06-06T20:34:57.121227Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/216dddd0c8234b71a1c8e8e42d53c9fd-15.png",
"player_count": 0,
"ranked": true
},
{
"id": 102264,
"name": "Blitz 13x13 Swiss Tournament 2023-04-16 11:30",
"director": {
"id": 4,
"username": "matburt",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251216T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-16T11:01:01.786110Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-16T15:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2023-04-16T11:30:54.406614Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-04-16T11:30:55.892931Z",
"ended": "2023-04-16T12:06:44.717946Z",
"start_waiting": "2023-04-16T11:30:55.779501Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 6,
"ranked": true
},
{
"id": 2128,
"name": "techcobweb's mini-tournament",
"director": {
"id": 33825,
"username": "techcobweb",
"country": "gb",
"icon": "https://user-uploads.online-go.com/11fb0b4bcd652d5c8a562bbb251e4282-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1561.9959438767944,
"deviation": 63.79008617868867,
"volatility": 0.059992567550617895
}
},
"ranking": 25.24094205491918,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 380,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 19,
"max_ranking": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2013-05-06T23:33:45Z",
"ended": "2013-05-06T21:33:45Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 102070,
"name": "Correspondence Weekly McMahon 19x19 2023-04-15 17:00",
"director": {
"id": 4,
"username": "matburt",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251215T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-12-15T17:01:05.269875Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-12-22T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"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": "2023-04-15T17:00:13.065181Z",
"players_start": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-04-15T17:01:10.519170Z",
"ended": "2024-03-01T10:09:07.167042Z",
"start_waiting": "2023-04-15T17:01:09.268055Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 26,
"ranked": true
},
{
"id": 2129,
"name": "1st Hakurei Shrine Cup",
"director": {
"id": 48645,
"username": "Jessica",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/0036ce1f2f8ebc11fad22d2633715fe4?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2388.900191749409,
"deviation": 79.00961195738054,
"volatility": 0.06004269883348217
}
},
"ranking": 35.07665094479517,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 380,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 24,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2013-04-27T03:27:53Z",
"ended": "2013-04-27T01:27:53Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 122569,
"name": "♑Let's GOAT! à gogoTournament🐑🐏🐐",
"director": {
"id": 1436588,
"username": "Arrow A6 anti-",
"country": "zz",
"icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 588.6751839572613,
"deviation": 80.73457404236709,
"volatility": 0.0636275307525229
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "<big><big><big>🐑</big></big></big> <big>L</big>et's GOAT! <big><big>🐐</big></big><big> à </big> gogo Tournament <big>🐏</big>\n\n\n<h2> <span style=\"color:blue;\">Les visiteurs</span> <span style=\"color:white;\">viennent de</span> <span style=\"color:red;\">ces pays</span>...</h2>\n\n<a href=\"https://www.flagcounter.me/details/fc4\"><img src=\"https://www.flagcounter.me/fc4/\" alt=\"Flag Counter\"></a>\n<h6>via Internet Protocol</h6>\n<p>\n<embed src=\"https://www.youtube.com/embed/CxNO_ifzelc\"width=\"380\" height=\"180\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/0fPQ1lNAUbY\"width=\"380\" height=\"180\">\n</p>",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "nz",
"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": 12930,
"name": "Let's GOAT!",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 79,
"icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-11-27T09:00:00Z",
"players_start": 6,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-11-26T15:30:08.179221Z",
"ended": "2025-10-06T11:59:28.812036Z",
"start_waiting": "2024-11-26T15:30:07.371442Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-15.png",
"player_count": 13,
"ranked": true
}
]
}
