Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=3840
{ "count": 59220, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3841", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3839", "results": [ { "id": 106455, "name": "Beginner Go Tournament", "director": { "id": 1358792, "username": "caprifoi", "country": "ro", "icon": "https://secure.gravatar.com/avatar/6da348fd3c49cfe510c1920d39bb93a6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1502.0926155073216, "deviation": 60.93237863569453, "volatility": 0.059949397323319456 } }, "ranking": 24.33565570801117, "professional": false, "ui_class": "" }, "description": "A Go Tournament for beginner's", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. 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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": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 691, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-24T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-24T13:29:43.474459Z", "ended": "2024-12-07T12:23:57.921063Z", "start_waiting": "2024-11-24T13:29:43.314479Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 123553, "name": "🥢🍜турнир 19 на 19!!1🥢🍜🥢🍜🥢🍜", "director": { "id": 1679852, "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea", "country": "tr", "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png", "ratings": { "version": 5, "overall": { "rating": 455.94942443569244, "deviation": 73.05424876127188, "volatility": 0.06008889600126372 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜🥢🍜", "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": true, "group": { "id": 13165, "name": "sus 🍮🧋", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-12-23T12:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "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": 122319, "name": "Live 9x9 Double Elimination Tournament 2024-11-18 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260128T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-28T18:00:26.332029Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-01-28T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-11-18T02:30:32.321813Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-18T02:31:42.458512Z", "ended": "2024-11-18T03:03:44.032711Z", "start_waiting": "2024-11-18T02:31:42.342671Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 120070, "name": "Sunday GO the 2nd aniversary 19×19", "director": { "id": 1393499, "username": "Imtiyaz", "country": "th", "icon": "https://user-uploads.online-go.com/56a672954f96d68180eb8444196aec12-64.png", "ratings": { "version": 5, "overall": { "rating": 1033.3159040216926, "deviation": 64.37615916895315, "volatility": 0.06003245003586803 } }, "ranking": 15.675558851695177, "professional": false, "ui_class": "" }, "description": "Fast game simple 45 sec/move\n\nSingle elimnation\n\nHappy 2nd aniversary of sunday GO\n\nDecoration of the group will finish soon\n\n<a href=\"https://online-go.com/group/13675\" onclick=\"alert('Button clicked!')\">Click here to the group ⬇️⬇️⬇️\n<img src=\"https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e9f20c25fe1d95f705ad61dc0bd03a5d.png\">", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 45, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 45, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13675, "name": "Sunday GO and MORE", "summary": "You can't miss this group, join now!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 110, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-24T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-24T07:00:05.089205Z", "ended": "2024-11-24T08:41:44.193972Z", "start_waiting": "2024-11-24T07:00:04.667113Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 48, "ranked": true }, { "id": 104344, "name": "YVTftcu", "director": { "id": 1220016, "username": "BBQ Cat", "country": "hk", "icon": "https://user-uploads.online-go.com/f22b65ed3d05e5784b0f5f98e58f423d-64.png", "ratings": { "version": 5, "overall": { "rating": 623.0215846887106, "deviation": 75.82322598904152, "volatility": 0.06004543225135932 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "UCTRNo utrccrtcr", "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": true, "group": { "id": 13165, "name": "sus 🍮🧋", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-06-15T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-23T12:07:55.487153Z", "ended": "2024-12-31T08:01:11.530668Z", "start_waiting": "2024-12-23T12:07:55.417345Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 122593, "name": "Live 9x9 Double Elimination Tournament 2024-11-25 22:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260128T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-28T18:00:26.332029Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-01-28T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-11-25T22:30:16.838150Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-25T22:30:26.020874Z", "ended": "2024-11-25T23:08:21.243045Z", "start_waiting": "2024-11-25T22:30:25.940713Z", "board_size": 9, "active_round": null, "icon": 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