{"generatedAt":"2026-07-01T10:43:47.639Z","source":"database","player":{"slug":"spiekermann-stefan-sui-263","fullName":"Spiekermann Stefan","title":"","fideId":"","fideProfileUrl":"","nationalId":"","fldeId":"","countryCode":"SUI","birthYear":null,"gender":"","club":{"name":"","slug":""},"ratings":{"nationalStandard":null,"nationalStandardPeriod":"","fideStandard":null,"fideRapid":null,"fideBlitz":null}},"season":{"label":"2025-2026","startsOn":"2025-08-01","endsOn":"2026-07-31"},"availableSeasons":["2025-2026"],"stats":{"listedGames":9,"games":9,"score":2.5,"scoreText":"2.5/9","scorePercent":27.8,"wins":1,"draws":3,"losses":5,"unscoredGames":0,"averageOpponentRating":2150,"hasGameResults":true,"tournaments":1,"individualEvents":1,"teamEvents":0,"bestPerformanceRating":1984,"bySpeed":{"classical":{"speed":"classical","events":1,"tournaments":1,"individualEvents":1,"teamEvents":0,"bestPerformanceRating":1984,"listedGames":9,"games":9,"score":2.5,"scoreText":"2.5/9","scorePercent":27.8,"wins":1,"draws":3,"losses":5,"unscoredGames":0,"averageOpponentRating":2150,"hasGameResults":true},"rapid":{"speed":"rapid","events":0,"tournaments":0,"individualEvents":0,"teamEvents":0,"bestPerformanceRating":null,"listedGames":0,"games":0,"score":0,"scoreText":"","scorePercent":null,"wins":0,"draws":0,"losses":0,"unscoredGames":0,"averageOpponentRating":null,"hasGameResults":false},"blitz":{"speed":"blitz","events":0,"tournaments":0,"individualEvents":0,"teamEvents":0,"bestPerformanceRating":null,"listedGames":0,"games":0,"score":0,"scoreText":"","scorePercent":null,"wins":0,"draws":0,"losses":0,"unscoredGames":0,"averageOpponentRating":null,"hasGameResults":false}},"activityScore":9,"activity":{"score":9,"classicalGames":9,"rapidEvents":0,"blitzEvents":0}},"activity":{"score":9,"classicalGames":9,"rapidEvents":0,"blitzEvents":0},"tournaments":[{"kind":"individual","slug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","name":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","startsOn":"2026-04-02","endsOn":"2026-04-06","city":"Karlsruhe","countryCode":"DE","organizerName":"","sourceUrl":"https://lecavalier.lu/grenke-Freestyle-Chess-Open-2026.htm","tournamentType":"individual","timeControl":"Standard chess","finalRank":263,"points":"2.50","performanceRating":1984,"startRating":2003,"clubName":"","stats":{"listedGames":9,"games":9,"score":2.5,"scoreText":"2.5/9","scorePercent":27.8,"wins":1,"draws":3,"losses":5,"unscoredGames":0,"averageOpponentRating":2150,"hasGameResults":true},"games":[{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":1,"board":72,"playedOn":"2026-04-02","color":"white","opponentName":"Stoettner Lukas","opponentSlug":"stoettner-lukas-ger-75","opponentRating":2303,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":2,"board":127,"playedOn":"2026-04-02","color":"black","opponentName":"Simon Florian","opponentSlug":"simon-florian-ger-231","opponentRating":2135,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":3,"board":81,"playedOn":"2026-04-02","color":"white","opponentName":"Scholz Christian, Dr.","opponentSlug":"scholz-christian-dr-ger-119","opponentRating":2276,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":4,"board":104,"playedOn":"2026-04-02","color":"black","opponentName":"Schwibbert Jonas","opponentSlug":"schwibbert-jonas-ger-170","opponentRating":2165,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":5,"board":91,"playedOn":"2026-04-02","color":"white","opponentName":"Shi Kecheng","opponentSlug":"shi-kecheng-chn-141","opponentRating":2177,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":6,"board":135,"playedOn":"2026-04-02","color":"black","opponentName":"Germer Marcel","opponentSlug":"germer-marcel-ger-235","opponentRating":2082,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":7,"board":118,"playedOn":"2026-04-02","color":"white","opponentName":"Oezdemir Ali Oezden","opponentSlug":"oezdemir-ali-oezden-ger-964","opponentRating":2077,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":8,"board":87,"playedOn":"2026-04-02","color":"black","opponentName":"Van der Veen Terry","opponentSlug":"van-der-veen-terry-ned-145","opponentRating":2087,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":9,"board":114,"playedOn":"2026-04-02","color":"black","opponentName":"Rosenboom Niko","opponentSlug":"rosenboom-niko-ger-218","opponentRating":2049,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"}],"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"}],"games":[{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":1,"board":72,"playedOn":"2026-04-02","color":"white","opponentName":"Stoettner Lukas","opponentSlug":"stoettner-lukas-ger-75","opponentRating":2303,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":2,"board":127,"playedOn":"2026-04-02","color":"black","opponentName":"Simon Florian","opponentSlug":"simon-florian-ger-231","opponentRating":2135,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":3,"board":81,"playedOn":"2026-04-02","color":"white","opponentName":"Scholz Christian, Dr.","opponentSlug":"scholz-christian-dr-ger-119","opponentRating":2276,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":4,"board":104,"playedOn":"2026-04-02","color":"black","opponentName":"Schwibbert Jonas","opponentSlug":"schwibbert-jonas-ger-170","opponentRating":2165,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":5,"board":91,"playedOn":"2026-04-02","color":"white","opponentName":"Shi Kecheng","opponentSlug":"shi-kecheng-chn-141","opponentRating":2177,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":6,"board":135,"playedOn":"2026-04-02","color":"black","opponentName":"Germer Marcel","opponentSlug":"germer-marcel-ger-235","opponentRating":2082,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":7,"board":118,"playedOn":"2026-04-02","color":"white","opponentName":"Oezdemir Ali Oezden","opponentSlug":"oezdemir-ali-oezden-ger-964","opponentRating":2077,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":8,"board":87,"playedOn":"2026-04-02","color":"black","opponentName":"Van der Veen Terry","opponentSlug":"van-der-veen-terry-ned-145","opponentRating":2087,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"},{"tournamentSlug":"grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Freestyle Chess Open - A-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263","round":9,"board":114,"playedOn":"2026-04-02","color":"black","opponentName":"Rosenboom Niko","opponentSlug":"rosenboom-niko-ger-218","opponentRating":2049,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://chess.p-gengler.com/en/tournaments/grenke-freestyle-chess-open-a-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/spiekermann-stefan-sui-263"}],"notes":["The season runs from 1 August to 31 July.","Regular tournament games come from imported round-by-round game records where available.","Team championship and cup rows are summarized from FLDE team-board result data."],"narrative":"Spiekermann Stefan's 2025-2026 season currently includes 1 event. Spiekermann Stefan scored 2.5/9 from 9 scored games (1 win, 3 draws, 5 losses). The average listed opponent rating was 2150. The best listed performance rating was 1984.","links":{"profile":"https://chess.p-gengler.com/en/players/spiekermann-stefan-sui-263","seasonPage":"https://chess.p-gengler.com/en/players/spiekermann-stefan-sui-263/seasons/2025-2026","json":"https://chess.p-gengler.com/api/players/spiekermann-stefan-sui-263/seasons/2025-2026","search":"https://chess.p-gengler.com/api/search?q=Spiekermann%20Stefan"}}