HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58698,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=160",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=158",
"results": [
{
"id": 92163,
"name": "Live 19x19 Swiss Tournament 2022-07-07 20:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251216T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-16T16:01:04.668059Z",
"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": "2025-12-16T20:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"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": "2022-07-07T20:30:38.784274Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-07-07T20:30:40.285554Z",
"ended": "2022-07-07T22:40:01.334532Z",
"start_waiting": "2022-07-07T20:30:39.866245Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7,
"ranked": true
},
{
"id": 100,
"name": "Funfun's mini-tournament",
"director": {
"id": 2866,
"username": "Funfun",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/5762614b62b719ddaec95039ade12120?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1600.4803378092113,
"deviation": 218.74947930154852,
"volatility": 0.05999919688763707
}
},
"ranking": 25.804397791148112,
"professional": false,
"ui_class": "provisional"
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "simple",
"per_move": 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": 3,
"max_ranking": 15,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2006-06-07T01:11:00Z",
"ended": "2006-08-14T23:02:00Z",
"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": 5164,
"name": "Blitz 13x13 Swiss Tournament 2015-02-18 15:30",
"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:20251216T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-16T19:01:03.550989Z",
"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": "2025-12-16T23:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"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": "2015-02-18T15:30:26.617911Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2015-02-18T15:33:28.809025Z",
"ended": "2015-02-18T16:20:45.934941Z",
"start_waiting": "2015-02-18T15:33:28.705214Z",
"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": 99,
"name": "zerodan's mini-tournament",
"director": {
"id": 2214,
"username": "zerodan",
"country": "sk",
"icon": "https://user-uploads.online-go.com/bcd7dd9410fe568cad63129a51267db5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1764.7942773183925,
"deviation": 67.57073207080983,
"volatility": 0.05989521167829833
}
},
"ranking": 28.0668549655983,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 432000,
"time_control_parameters": {
"time_control": "simple",
"per_move": 432000
},
"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": "2006-06-05T12:12:00Z",
"ended": "2007-02-28T23:18:00Z",
"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": 92831,
"name": "Live 19x19 Swiss Tournament 2022-07-26 04:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251216T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-16T16:01:04.668059Z",
"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": "2025-12-16T20:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"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": "2022-07-26T04:30:28.300638Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-07-26T04:30:29.770445Z",
"ended": "2022-07-26T06:01:55.678159Z",
"start_waiting": "2022-07-26T04:30:29.639642Z",
"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": 98,
"name": "shamankingster's beginers and first timers mini-tournament",
"director": {
"id": 2853,
"username": "shamankingster",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/98642e85c99afae1b992675f6c230229?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1160.179684091046,
"deviation": 190.74355872529526,
"volatility": 0.05999948077360259
}
},
"ranking": 18.356373707043137,
"professional": false,
"ui_class": "provisional"
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "simple",
"per_move": 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": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2006-06-04T21:58:00Z",
"ended": "2006-07-05T05:03:00Z",
"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": 3972,
"name": "Live 19x19 Swiss Tournament 2015-01-05 08:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251216T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-16T16:01:04.668059Z",
"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": "2025-12-16T20:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"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": "2015-01-05T08:30:45.020384Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2015-01-05T08:30:46.511542Z",
"ended": "2015-01-05T11:19:35.302695Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7,
"ranked": true
},
{
"id": 92123,
"name": "Fall of the DDKs",
"director": {
"id": 1164695,
"username": "Guy Mulford",
"country": "us",
"icon": "https://user-uploads.online-go.com/5cb2530df2b32aef8bd63989615c3485-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1305.3524404316922,
"deviation": 66.83039593878574,
"volatility": 0.05997797427712117
}
},
"ranking": 21.08571658348468,
"professional": false,
"ui_class": ""
},
"description": "Autumn tournament. Provisional friendly. Several moves daily, play on weekends.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 24480,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 21600,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 24,
"name": "Double Digit Kyu Room",
"summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 3605,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2022-09-01T05:01:00Z",
"players_start": 8,
"first_pairing_method": "slide",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-09-01T05:01:57.357822Z",
"ended": "2023-01-20T14:16:36.593059Z",
"start_waiting": "2022-09-01T05:01:56.645223Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 43,
"ranked": true
},
{
"id": 2900,
"name": "GoStars 19x19",
"director": {
"id": 41779,
"username": "Pestr",
"country": "ru",
"icon": "https://user-uploads.online-go.com/82653b1abcea29fa4dc624ccb7fc55a8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1186.6146793531273,
"deviation": 61.0572359798454,
"volatility": 0.05993703944263653
}
},
"ranking": 18.877932847448218,
"professional": false,
"ui_class": ""
},
"description": "Турнир сайта GoStars.ru. \nНачало 1 июня 2014.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"time_control": "simple",
"per_move": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 9,
"name": "Русская группа",
"summary": "Интересные, призовые турниры.",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1915,
"icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-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": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-06-01T06:02:32.467532Z",
"ended": "2016-10-19T15:20:15.887450Z",
"start_waiting": "2014-06-01T06:02:31.064472Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
"player_count": 0,
"ranked": true
},
{
"id": 78929,
"name": "Tianyuan Nines Title Tournament 2021",
"director": {
"id": 40318,
"username": "gamesorry",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2012.4871931400326,
"deviation": 70.00084550122251,
"volatility": 0.06015826099255662
}
},
"ranking": 31.107312066999114,
"professional": false,
"ui_class": "supporter"
},
"description": "Tianyuan Nines Title Tournament 2021\n\nTitle Holder: <a style=\"color:yellow\" href='https://online-go.com/user/view/43936'>Sadaharu [Nines Tianyuan]</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">\n\tTitle Tournament Winner\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_9.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_9.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_9.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2379'>2007</a></td>\n\t<td><b>hotspur</b></td><td></td><td></td>\n\t<td><b>hotspur (2d)</b></td><td>dexy (1d)</td><td>nare (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2398'>2008</a></td>\n\t<td><b>dexy</b></td><td>∗</td><td>hotspur</td>\n\t<td><b>dexy (1d)</b></td><td>KlausP (3d)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2413'>2009</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>dexy</td>\n\t<td><b>KlausP (3d)</b></td><td>dexy (1d)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2429'>2010</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>illluck</td>\n\t<td><b>illluck (1d)</b></td><td>maximemichel (1k)</td><td>dexy (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2445'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>vitality (5d)</b></td><td>zealot (3d)</td><td>illluck (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2467'>2012</a></td>\n\t<td><b>pollemand</b></td><td>4-1</td><td>vitality</td>\n\t<td><b>pollemand (3d)</b></td><td>devariot (1k)</td><td>joachim (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2485'>2013</a></td>\n\t<td><b>pollemand</b></td><td>3-2</td><td>taikobara</td>\n\t<td><b>taikobara (7k)</b></td><td>gamesorry (2d)</td><td>herminator (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2504'>2014</a></td>\n\t<td><b>mark5000</b></td><td>4-1</td><td>devariot</td>\n\t<td><b>mark5000 (2d)</b></td><td>devariot (1k)</td><td>adhalanay (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/8064'>2015</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>4-1</td>\n\t<td>gamesorry</td>\n\t<td><b>魑魅魍魉 (2d)</b></td><td>一只安东尼 (3d)</td><td>gamesorry (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/18551'>2016</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>4-1</td>\n\t<td>Lomis</td>\n\t<td><b>Lomis (1d)</b></td><td>Sadaharu (5d)</td><td>まいどー(^笑^)/ (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/28902'>2017</a></td>\n\t<td><b>Borealiz</b></td>\n\t<td>3-1</td>\n\t<td>mark5000</td>\n\t<td><b>Borealiz (6d)</b></td><td>zebra (1d)</td><td>Sadaharu (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/38778'>2018</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/22159829'>3-0</a></td>\n\t<td>Borealiz</td>\n\t<td><b>Sadaharu (9d)</b></td><td>plusone25th (6d)</td><td>huangyungjan (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/50552'>2019</a></td>\n\t<td></td>\n\t<td>(TBA)</td>\n\t<td></td>\n\t<td><b>Sadaharu (9d+) </b></td><td>earlgreyhot (9d)</td><td>Baklan (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/63586'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>mark5000 (5d) </b></td><td>drmwc (6d)</td><td>找借口安静 (2d)</td>\n</tr>\n</table>\n\nNotes:\n- ∗ means the games were finished by timeout or retirement. Old OGS ranks are displayed for tournaments before 2017.\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 93120,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 604800,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 515,
"name": "OGS Title Tournaments",
"summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 2948,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-10-08T18:00:00Z",
"players_start": 136,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-10-10T21:44:30.395709Z",
"ended": "2022-07-22T04:31:13.637897Z",
"start_waiting": "2021-10-10T21:44:18.380704Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 132,
"ranked": true
}
]
}
