| Player data |
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 | SNo | 20 | FIDE | B 1139 | Local | 1800 |
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| Name | Kowalczyk, Jakub | Fed | POL | R.ChessArbiter | 0 |
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| Club | KSz Piątka Skierniewice | Title | II | Local ID | PL-63235 |
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| Code | 21881405 | Sex | M | Birthday | 2009 |
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| | Opponnents |
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| Round | Color | Score | S.No. | Total | Local ID | Title | Name | FIDE | Local | Club |
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| 1 | w | 1 | 52 | 4.5 | PL-93125 | IV | Bryszewski, Michał | 0 | 1400 | KSz Piątka Skierniewice | | 2 | b | 1 | 39 | 4.0 | PL-83026 | III | Soja, Adam | 0 | 1600 | UKS Piątka Wieluń | | 3 | w | 1 | 9 | 8.0 | PL-80903 | II | Stępiński, Piotr | B 1278 | 1800 | UKS Jedynka Bełchatów | | 4 | b | 0 | 5 | 8.0 | PL-65653 | II | Zakrzewicz, Kacper | B 1324 | 1800 | UKS Pałac Nieborów | | 5 | w | 1 | 34 | 6.5 | PL-91364 | II | Kochanowska, Patrycja | 0 | 1600 | KSz Piątka Skierniewice | | 6 | b | 0 | 13 | 7.0 | PL-82969 | III | Moczulski, Michał | B 1203 | 1600 | Łódź | | 7 | w | 0 | 7 | 7.0 | PL-71422 | II | Jędrzejczak, Michał | B 1304 | 1800 | K. Sz. Dwie Wieże Rzgów | | 8 | b | 1 | 43 | 5.0 | PL-79164 | III | Bednarek, Piotr | 0 | 1600 | UKS Piątka Wieluń | | 9 | w | 0 | 26 | 6.5 | PL-85014 | II | Dyśko, Michał | B 1103 | 1800 | K. Sz. Dwie Wieże Rzgów | | 10 | b | 1 | 37 | 6.0 | PL-87649 | II | Wiśniewska, Blanka | 0 | 1600 | KSz Piątka Skierniewice | | 11 | w | 1 | 33 | 6.0 | PL-79738 | II | Mitręga, Lena | B 1009 | 1600 | UKS Pałac Nieborów |
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| Number of rated opponents: | 6 | Score vs. rated opponents: | 2.0 |
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| Average rating: | 1204 | Rating Change: | -0.49 |
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