{"generatedAt":"2026-06-30T11:57:01.178Z","source":"database","player":{"slug":"haertel-leon-ger-145","fullName":"Haertel Leon","title":"","fideId":"","fideProfileUrl":"","nationalId":"","fldeId":"","countryCode":"GER","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":6,"scoreText":"6/9","scorePercent":66.7,"wins":5,"draws":2,"losses":2,"unscoredGames":0,"averageOpponentRating":1832,"tournaments":1,"individualEvents":1,"teamEvents":0,"bestPerformanceRating":0},"tournaments":[{"kind":"individual","slug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","name":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","startsOn":"2026-04-02","endsOn":"2026-04-06","city":"Karlsruhe","countryCode":"DE","organizerName":"","sourceUrl":"https://lecavalier.lu/grenke-Chess-Open-2026.htm","tournamentType":"individual","timeControl":"Standard chess","finalRank":145,"points":"6.00","performanceRating":null,"startRating":1941,"clubName":"","stats":{"listedGames":9,"games":9,"score":6,"scoreText":"6/9","scorePercent":66.7,"wins":5,"draws":2,"losses":2,"unscoredGames":0,"averageOpponentRating":1832},"games":[{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":1,"board":140,"playedOn":"2026-04-02","color":"black","opponentName":"Germann Phil","opponentSlug":"germann-phil-ger-1100","opponentRating":1752,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":2,"board":140,"playedOn":"2026-04-02","color":"white","opponentName":"Polster Waldemar","opponentSlug":"polster-waldemar-ger-1106","opponentRating":1814,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":3,"board":133,"playedOn":"2026-04-02","color":"black","opponentName":"Zumpf Mathias","opponentSlug":"zumpf-mathias-ger-444","opponentRating":1850,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":4,"board":10,"playedOn":"2026-04-02","color":"white","opponentName":"Alloussi Arian","opponentSlug":"alloussi-arian-ger-10","opponentRating":1855,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":5,"board":121,"playedOn":"2026-04-02","color":"black","opponentName":"Hoareau Hugues","opponentSlug":"hoareau-hugues-fra-419","opponentRating":1833,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":6,"board":104,"playedOn":"2026-04-02","color":"white","opponentName":"Candussio Hannes","opponentSlug":"candussio-hannes-ger-126","opponentRating":1835,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":7,"board":113,"playedOn":"2026-04-02","color":"black","opponentName":"Zetto Lukas","opponentSlug":"zetto-lukas-ger-284","opponentRating":1860,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":8,"board":108,"playedOn":"2026-04-02","color":"white","opponentName":"WEISS Martin","opponentSlug":"weiss-martin-fr-11","opponentRating":1830,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":9,"board":96,"playedOn":"2026-04-02","color":"black","opponentName":"Birke Dennis","opponentSlug":"birke-dennis-ger-139","opponentRating":1857,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"}],"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"}],"games":[{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":1,"board":140,"playedOn":"2026-04-02","color":"black","opponentName":"Germann Phil","opponentSlug":"germann-phil-ger-1100","opponentRating":1752,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":2,"board":140,"playedOn":"2026-04-02","color":"white","opponentName":"Polster Waldemar","opponentSlug":"polster-waldemar-ger-1106","opponentRating":1814,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":3,"board":133,"playedOn":"2026-04-02","color":"black","opponentName":"Zumpf Mathias","opponentSlug":"zumpf-mathias-ger-444","opponentRating":1850,"opponentClub":"","result":"1","rawResult":"0-1","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":4,"board":10,"playedOn":"2026-04-02","color":"white","opponentName":"Alloussi Arian","opponentSlug":"alloussi-arian-ger-10","opponentRating":1855,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":5,"board":121,"playedOn":"2026-04-02","color":"black","opponentName":"Hoareau Hugues","opponentSlug":"hoareau-hugues-fra-419","opponentRating":1833,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":6,"board":104,"playedOn":"2026-04-02","color":"white","opponentName":"Candussio Hannes","opponentSlug":"candussio-hannes-ger-126","opponentRating":1835,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":7,"board":113,"playedOn":"2026-04-02","color":"black","opponentName":"Zetto Lukas","opponentSlug":"zetto-lukas-ger-284","opponentRating":1860,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":8,"board":108,"playedOn":"2026-04-02","color":"white","opponentName":"WEISS Martin","opponentSlug":"weiss-martin-fr-11","opponentRating":1830,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"},{"tournamentSlug":"grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02","tournamentName":"grenke Chess Open - B-Open Final Ranking crosstable after 9 Rounds","tournamentStartsOn":"2026-04-02","urlPath":"/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145","round":9,"board":96,"playedOn":"2026-04-02","color":"black","opponentName":"Birke Dennis","opponentSlug":"birke-dennis-ger-139","opponentRating":1857,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/grenke-chess-open-b-open-final-ranking-crosstable-after-9-rounds-2026-04-02/players/haertel-leon-ger-145"}],"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":"Haertel Leon's 2025-2026 season currently includes 1 event. Haertel Leon scored 6/9 from 9 scored games (5 wins, 2 draws, 2 losses). The average listed opponent rating was 1832.","links":{"profile":"https://www.p-gengler.com/chess/en/players/haertel-leon-ger-145","seasonPage":"https://www.p-gengler.com/chess/en/players/haertel-leon-ger-145/seasons/2025-2026","json":"https://www.p-gengler.com/chess/api/players/haertel-leon-ger-145/seasons/2025-2026","search":"https://www.p-gengler.com/chess/api/search?q=Haertel%20Leon"}}