| Player data |
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 | SNo | 38 | FIDE | 0 | Local | 1600 |
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| Name | KOSTYSZAK, Lech | Fed | POL | R.ChessArbiter | 1000 |
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| Club | | Title | III | Local ID | PL-67248 |
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| Code | 21860890 | Sex | M | Birthday | 1982 |
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| Number of rated opponents: | 5 | Score vs. rated opponents: | 2.5 |
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| Average rating: | 1255 | Rating Change: | 0.00 |
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