| Player data |
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 | SNo | 12 | FIDE | 1713 | Local | 2100 |
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| Name | HERWY, Jakub | Fed | POL | R.ChessArbiter | 1456 |
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| Club | UKS Pionier Jastrzębie Zdrój | Title | I+ | Local ID | PL-59070 |
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| Code | 21852855 | Sex | M | Birthday | 2007 |
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| Number of rated opponents: | 9 | Score vs. rated opponents: | 5.5 |
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| Average rating: | 1658 | Rating Change: | 0.28 |
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