| Player data |
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 | SNo | 14 | FIDE | 1741 | Local | 2000 |
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| Name | Wieczorek, Łukasz | Fed | POL | R.ChessArbiter | 1481 |
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| Club | UKS Szachowa Dwójka Grodzisk Maz. | Title | I | Local ID | PL-33412 |
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| Code | 21823456 | Sex | M | Birthday | 2000 |
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| Number of rated opponents: | 4 | Score vs. rated opponents: | 2.0 |
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| Average rating: | 1731 | Rating Change: | -0.31 |
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