| Player data |
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 | SNo | 30 | FIDE | R 1539 | Local | 2000 |
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| Name | Mazurkiewicz, Andrzej | Fed | POL | R.ChessArbiter | 1799 |
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| Club | UKS SP1 Leżajsk | Title | I | Local ID | PL-11103 |
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| Code | 1163639 | Sex | M | Birthday | 1972 |
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| Number of rated opponents: | 8 | Score vs. rated opponents: | 2.5 |
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| Average rating: | 1695 | Rating Change: | -0.51 |
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