Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5523
{ "count": 58824, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5524", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5522", "results": [ { "id": 124461, "name": "Ai 圍棋", "director": { "id": 1409018, "username": "So man", "country": "un", "icon": "https://secure.gravatar.com/avatar/2f3320fccfbbffa86c42532e7ccff5d0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1286.3814546999229, "deviation": 143.66015188409156, "volatility": 0.05999705406853265 } }, "ranking": 20.746803576694127, "professional": false, "ui_class": "" }, "description": "棋靈王粵語153.", "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": false, "group": { "id": 11548, "name": "Weelo", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-18T14:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-27T15:32:22.585853Z", "ended": "2025-01-30T15:33:54.000491Z", "start_waiting": "2025-01-27T15:32:22.533043Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-15.png", "player_count": 2, "ranked": true }, { "id": 2226, "name": "JontomXire's 7th mini-tournament", "director": { "id": 18483, "username": "JontomXire", "country": "gb", "icon": "https://secure.gravatar.com/avatar/0e26f44680e364b6ade58c65a24b0525?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1173.4773693563443, "deviation": 64.56507113916307, "volatility": 0.05996383083779069 } }, "ranking": 18.62020402893159, "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": true, "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": 383, "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": 13, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "open", "started": "2013-05-26T15:11:55Z", "ended": "2013-11-01T11:16:00.358471Z", "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": 2229, "name": "ready to have some fun", "director": { "id": 40412, "username": "tj", "country": "us", "icon": "https://secure.gravatar.com/avatar/4bf3fbd44dfba08f5bf0e0fc626eeb4d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1503.825053236166, "deviation": 65.48528589741134, "volatility": 0.06003602597339654 } }, "ranking": 24.36234036293732, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "fischer", "initial_time": 1209600, "max_time": 2592000, "time_increment": 259200 }, "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": 383, "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": "2013-08-02T14:56:48Z", "ended": "2013-08-02T12:56:48Z", "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": 124395, "name": "Live 19x19 Swiss Tournament 2025-01-16 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 Site-wide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260303T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-03-03T08:00:40.906085Z", "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": "2026-03-03T12:00:00Z", "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": "2025-01-16T20:30:39.884389Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-01-16T20:30:40.017129Z", "ended": "2025-01-16T23:58:14.142720Z", "start_waiting": "2025-01-16T20:30:39.912540Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 2701, "name": "Syndrina's Beginner Review #01 - 19x19", "director": { "id": 4936, "username": "Syndrina", "country": "ca", "icon": "https://user-uploads.online-go.com/ef4fa10e12406bd9ea627dd9bd9fc111-64.png", "ratings": { "version": 5, "overall": { "rating": 1386.241615721719, "deviation": 66.75028378359585, "volatility": 0.05990124794069735 } }, "ranking": 22.47756722548621, "professional": false, "ui_class": "" }, "description": "Check out the forum for details:\n\nhttp://online-go.com/forum/thread/3241/Syndrina%27s+Beginner+Review+%2301+-+19x19\n\n-Syndrina-", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 92160, "time_control_parameters": { "time_control": "fischer", "initial_time": 518400, "max_time": 604800, "time_increment": 86400 }, "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": 3639, "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": 0, "analysis_enabled": true, "exclusivity": "open", "started": "2013-12-10T06:44:36.998551Z", "ended": "2014-05-07T00:00:42.596413Z", "start_waiting": "2013-12-10T06:42:18.376131Z", "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": 130033, "name": "Blitz 19x19 Elimination Tournament 2025-07-01 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260303T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-03-03T09:00:40.911719Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-03-03T13:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-07-01T13:30:32.058568Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-01T13:31:29.872572Z", "ended": "2025-07-01T13:59:54.434423Z", "start_waiting": "2025-07-01T13:31:29.813114Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 123864, "name": "Monthly Simultaneous McMahon 2025-01-16 17:02", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260301T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-03-01T17:00:40.802816Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-04-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-01-16T17:02:28.440602Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-16T17:02:41.557107Z", "ended": null, "start_waiting": "2025-01-16T17:02:39.839483Z", "board_size": 19, "active_round": 3, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 30, "ranked": true }, { "id": 2224, "name": "red wine, white wine mini-tournament", "director": { "id": 49348, "username": "solomonko", "country": "jp", "icon": "https://user-uploads.online-go.com/c46e5c3fb9545721e483dc061e1bb47e-64.png", "ratings": { "version": 5, "overall": { "rating": 1621.291349521372, "deviation": 69.47940379256355, "volatility": 0.06005233772057137 } }, "ranking": 26.10347647750759, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "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": 383, "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": 16, "max_ranking": 31, "analysis_enabled": false, "exclusivity": "open", "started": "2013-05-28T09:18:26Z", "ended": "2013-10-26T02:46:34.268414Z", "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": 2213, "name": "TedSarvata's fast mini-tournament", "director": { "id": 7781, "username": "ThornsFan", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png", "ratings": { "version": 5, "overall": { "rating": 1326.9484859447628, "deviation": 62.41508550443843, "volatility": 0.05974564346244173 } }, "ranking": 21.4655817168294, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": 8, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2013-08-23T16:31:41Z", "ended": "2013-08-23T14:31:41Z", "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": 134214, "name": "19x19 Open D.E. Cup #143", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.7607772259034, "deviation": 69.43294160708245, "volatility": 0.06017334395576651 } }, "ranking": 23.17695807323701, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-16T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-14T05:58:46.047178Z", "ended": null, "start_waiting": "2025-11-14T05:58:45.945851Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true } ] }
