Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5440
{ "count": 60043, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5441", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5439", "results": [ { "id": 6483, "name": "Blitz 19x19 Elimination Tournament 2015-04-07 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260625T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-25T17:00:16.318747Z", "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": "2026-06-25T21:00:00Z", "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": "2015-04-07T17:30:38.247030Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-04-07T17:30:39.991791Z", "ended": "2015-04-07T18:16:26.186442Z", "start_waiting": "2015-04-07T17:30:39.901903Z", "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": 8438, "name": "Live 19x19 Swiss Tournament 2015-06-20 12:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260625T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-25T16:00:16.302569Z", "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": "2026-06-25T20:00:00Z", "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": "2015-06-20T12:30:02.237765Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-06-20T12:30:04.079690Z", "ended": "2015-06-20T14:39:54.619166Z", "start_waiting": "2015-06-20T12:30:03.665171Z", "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": 6311, "name": "Częstochowa 19x19 2015", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 765.8713560501766, "deviation": 64.29472780923611, "volatility": 0.059134082118643565 } }, "ranking": 8.741809255274307, "professional": false, "ui_class": "supporter" }, "description": "dtz vhjki", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 29760, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 28800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 476, "name": "Zbiegłe kurczaki", "summary": "Group for players from Kurnik / PlayOK", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 56, "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-64.png" }, "auto_start_on_max": true, "time_start": "2015-04-07T14:32:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 6, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2015-04-07T14:32:30.185126Z", "ended": "2015-05-11T07:40:42.944623Z", "start_waiting": "2015-04-07T14:32:30.052231Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/daca8770a5adf92b79ec6207d56ba4a2-15.png", "player_count": 8, "ranked": true }, { "id": 139601, "name": "19x19 Open D.E. Cup #171", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1330.102390589312, "deviation": 70.60115236712406, "volatility": 0.060226788274447 } }, "ranking": 21.5205395856883, "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": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-26T21:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-26T08:54:33.038223Z", "ended": null, "start_waiting": "2026-04-26T08:54:32.865549Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 7287, "name": "Blitz 19x19 Elimination Tournament 2015-05-08 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260625T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-25T17:00:16.318747Z", "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": "2026-06-25T21:00:00Z", "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": "2015-05-08T13:30:43.632407Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-05-08T13:30:45.383207Z", "ended": "2015-05-08T14:19:57.906784Z", "start_waiting": "2015-05-08T13:30:45.205709Z", "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": 133191, "name": "Handicap Arena 2025 - 082", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1052.9431416174173, "deviation": 64.34246489648247, "volatility": 0.06005915587622651 } }, "ranking": 16.11115572268404, "professional": false, "ui_class": "supporter" }, "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.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-12T15:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-11T09:41:32.261768Z", "ended": "2026-06-03T23:45:23.398327Z", "start_waiting": "2025-10-11T09:41:32.096523Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 131431, "name": "Houston Go Club - Double Elimination Correspondence Tournament (8/21/25)", "director": { "id": 473476, "username": "ajiadjuster", "country": "us", "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png", "ratings": { "version": 5, "overall": { "rating": 1886.9598995848182, "deviation": 69.41060089332123, "volatility": 0.05981262866327778 } }, "ranking": 29.616351333129803, "professional": false, "ui_class": "supporter" }, "description": "Every player has a single game in each round (it's possible to have a bye with an odd number of players, but no individual plays simultaneous games). After the initial round, players with no losses are in bracket A. Players with one loss are in bracket B. Players with two losses (or time outs) are eliminated. The final game is played between the winner of each bracket.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1274, "name": "Houston Go Club", "summary": "Playing go online and at real boards in Houston, Texas.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 77, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png" }, "auto_start_on_max": false, "time_start": "2025-08-21T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-08-21T17:00:06.604745Z", "ended": "2026-04-30T15:18:04.180028Z", "start_waiting": "2025-08-21T17:00:06.490096Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png", "player_count": 12, "ranked": true }, { "id": 122746, "name": "Blitz 19x19 Elimination Tournament 2024-11-30 17:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260625T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-25T17:00:16.318747Z", "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": "2026-06-25T21:00:00Z", "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": "2024-11-30T17:30:33.076212Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-30T17:31:30.472064Z", "ended": "2024-11-30T18:06:01.969372Z", "start_waiting": "2024-11-30T17:31:30.408500Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 122210, "name": "Dicembre Cup", "director": { "id": 1055696, "username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216", "country": "it", "icon": "https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png", "ratings": { "version": 5, "overall": { "rating": 1520.9618235200285, "deviation": 65.86233200519976, "volatility": 0.05999729225859075 } }, "ranking": 24.624653373951272, "professional": false, "ui_class": "" }, "description": "Fast tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 362, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2024-11-30T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 20, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-30T14:37:30.478908Z", "ended": "2024-12-08T20:07:53.642906Z", "start_waiting": "2024-11-30T14:37:30.389443Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 4, "ranked": true }, { "id": 3616, "name": "Hercules :$ :P", "director": { "id": 81943, "username": "matiasnoGO", "country": "aq", "icon": "https://user-uploads.online-go.com/87a8a9553013592477b890ad665f5cd5-64.png", "ratings": { "version": 5, "overall": { "rating": 1650.4942559437325, "deviation": 63.60483905460714, "volatility": 0.060052767358563054 } }, "ranking": 26.516746366866418, "professional": false, "ui_class": "" }, "description": "jugarrrrrrrrrrrrrrrrrrrra al GO o WEIQUI o BADUK", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 345600, "time_control_parameters": { "time_control": "simple", "per_move": 345600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 363, "name": "Chilenos Unidos por el Go", "summary": "Grupo que reúne a los jugadores chilenos de OGS", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 207, "icon": "https://user-uploads.online-go.com/5073ea9feb7f9b23e5e801ae5c22cfc9-64.png" }, "auto_start_on_max": true, "time_start": "2014-12-23T14:39:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2015-01-07T18:39:44.356303Z", "ended": "2016-03-08T21:29:47.175880Z", "start_waiting": "2015-01-07T18:39:42.974536Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5073ea9feb7f9b23e5e801ae5c22cfc9-15.png", "player_count": 10, "ranked": true } ] }
