| Player data |
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 | SNo | 8 | FIDE | R 1934 | Local | 2000 |
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| Name | Heise, Marek | Fed | POL | R.ChessArbiter | 1903 |
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| Club | Bydgoszcz | Title | I | Local ID | PL-965 |
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| Code | 1110950 | Sex | M | Birthday | 1978 |
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| Number of rated opponents: | 9 | Score vs. rated opponents: | 5.5 |
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| Average rating: | 1628 | Rating Change: | -0.90 |
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