{"generatedAt":"2026-06-30T11:59:57.310Z","source":"database","player":{"slug":"mierzwinski-wiktor-pol-492","fullName":"Mierzwinski Wiktor","title":"","fideId":"","fideProfileUrl":"","nationalId":"","fldeId":"","countryCode":"POL","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":11,"games":11,"score":2,"scoreText":"2/11","scorePercent":18.2,"wins":1,"draws":2,"losses":8,"unscoredGames":0,"averageOpponentRating":1656,"tournaments":1,"individualEvents":1,"teamEvents":0,"bestPerformanceRating":0},"tournaments":[{"kind":"individual","slug":"european-individual-chess-championship-2026-2026-04-06","name":"European Individual Chess Championship 2026","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","startsOn":"2026-04-06","endsOn":"2026-04-06","city":"Katowice","countryCode":"PL","organizerName":"","sourceUrl":"https://lecavalier.lu/European-Individual-Chess-Championship-20260406-19.htm","tournamentType":"individual","timeControl":"Standard chess","finalRank":492,"points":"2.00","performanceRating":null,"startRating":null,"clubName":"","stats":{"listedGames":11,"games":11,"score":2,"scoreText":"2/11","scorePercent":18.2,"wins":1,"draws":2,"losses":8,"unscoredGames":0,"averageOpponentRating":1656},"games":[{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":1,"board":225,"playedOn":"2026-04-06","color":"white","opponentName":"Vasynda Oleksandr","opponentSlug":"vasynda-oleksandr-ukr-274","opponentRating":2306,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":2,"board":214,"playedOn":"2026-04-06","color":"black","opponentName":"Hury Tymoteusz","opponentSlug":"hury-tymoteusz-pol-324","opponentRating":2115,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":3,"board":249,"playedOn":"2026-04-06","color":"black","opponentName":"Konopka Jeremie","opponentSlug":"konopka-jeremie-fra-424","opponentRating":1930,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":4,"board":257,"playedOn":"2026-04-06","color":"white","opponentName":"Klementys Jerzy","opponentSlug":"klementys-jerzy-pol-472","opponentRating":1733,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":5,"board":245,"playedOn":"2026-04-06","color":"black","opponentName":"Stierhof Michael","opponentSlug":"stierhof-michael-ger-429","opponentRating":1993,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":6,"board":242,"playedOn":"2026-04-06","color":"white","opponentName":"Was Stanislaw","opponentSlug":"was-stanislaw-pol-427","opponentRating":1806,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":7,"board":245,"playedOn":"2026-04-06","color":"black","opponentName":"Krawczyk Marcin","opponentSlug":"krawczyk-marcin-pol-431","opponentRating":1663,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":7,"board":260,"playedOn":"2026-04-06","color":"black","opponentName":"Wolynski Antoni","opponentSlug":"wolynski-antoni-pol-12","opponentRating":1669,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":8,"board":259,"playedOn":"2026-04-06","color":"black","opponentName":"Jaworski Pawel","opponentSlug":"jaworski-pawel-pol-495","opponentRating":1566,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":9,"board":255,"playedOn":"2026-04-06","color":"white","opponentName":"Guzik Maria","opponentSlug":"guzik-maria-pol-479","opponentRating":null,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":10,"board":246,"playedOn":"2026-04-06","color":"black","opponentName":"Sopel Jonatan Jan","opponentSlug":"sopel-jonatan-jan-pol-477","opponentRating":1433,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"}],"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"}],"games":[{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":1,"board":225,"playedOn":"2026-04-06","color":"white","opponentName":"Vasynda Oleksandr","opponentSlug":"vasynda-oleksandr-ukr-274","opponentRating":2306,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":2,"board":214,"playedOn":"2026-04-06","color":"black","opponentName":"Hury Tymoteusz","opponentSlug":"hury-tymoteusz-pol-324","opponentRating":2115,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":3,"board":249,"playedOn":"2026-04-06","color":"black","opponentName":"Konopka Jeremie","opponentSlug":"konopka-jeremie-fra-424","opponentRating":1930,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":4,"board":257,"playedOn":"2026-04-06","color":"white","opponentName":"Klementys Jerzy","opponentSlug":"klementys-jerzy-pol-472","opponentRating":1733,"opponentClub":"","result":"1","rawResult":"1-0","score":1,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":5,"board":245,"playedOn":"2026-04-06","color":"black","opponentName":"Stierhof Michael","opponentSlug":"stierhof-michael-ger-429","opponentRating":1993,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":6,"board":242,"playedOn":"2026-04-06","color":"white","opponentName":"Was Stanislaw","opponentSlug":"was-stanislaw-pol-427","opponentRating":1806,"opponentClub":"","result":"0","rawResult":"0-1","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":7,"board":245,"playedOn":"2026-04-06","color":"black","opponentName":"Krawczyk Marcin","opponentSlug":"krawczyk-marcin-pol-431","opponentRating":1663,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":7,"board":260,"playedOn":"2026-04-06","color":"black","opponentName":"Wolynski Antoni","opponentSlug":"wolynski-antoni-pol-12","opponentRating":1669,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":8,"board":259,"playedOn":"2026-04-06","color":"black","opponentName":"Jaworski Pawel","opponentSlug":"jaworski-pawel-pol-495","opponentRating":1566,"opponentClub":"","result":"0","rawResult":"1-0","score":0,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":9,"board":255,"playedOn":"2026-04-06","color":"white","opponentName":"Guzik Maria","opponentSlug":"guzik-maria-pol-479","opponentRating":null,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"},{"tournamentSlug":"european-individual-chess-championship-2026-2026-04-06","tournamentName":"European Individual Chess Championship 2026","tournamentStartsOn":"2026-04-06","urlPath":"/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492","round":10,"board":246,"playedOn":"2026-04-06","color":"black","opponentName":"Sopel Jonatan Jan","opponentSlug":"sopel-jonatan-jan-pol-477","opponentRating":1433,"opponentClub":"","result":"½","rawResult":"1/2-1/2","score":0.5,"url":"https://www.p-gengler.com/chess/en/tournaments/european-individual-chess-championship-2026-2026-04-06/players/mierzwinski-wiktor-pol-492"}],"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":"Mierzwinski Wiktor's 2025-2026 season currently includes 1 event. Mierzwinski Wiktor scored 2/11 from 11 scored games (1 win, 2 draws, 8 losses). The average listed opponent rating was 1656.","links":{"profile":"https://www.p-gengler.com/chess/en/players/mierzwinski-wiktor-pol-492","seasonPage":"https://www.p-gengler.com/chess/en/players/mierzwinski-wiktor-pol-492/seasons/2025-2026","json":"https://www.p-gengler.com/chess/api/players/mierzwinski-wiktor-pol-492/seasons/2025-2026","search":"https://www.p-gengler.com/chess/api/search?q=Mierzwinski%20Wiktor"}}