| Player data |
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 | SNo | 40 | FIDE | 2129 | Local | 2200 |
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| Name | KAROLCZUK, Iwo | Fed | POL | R.ChessArbiter | 1447 |
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| Club | MUKS Stoczek 45 Białystok | Title | k | Local ID | PL-51610 |
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| Code | 21816972 | Sex | M | Birthday | 2006 |
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| Number of rated opponents: | 8 | Score vs. rated opponents: | 4.0 |
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| Average rating: | 2220 | Rating Change: | 0.96 |
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