| Player data |
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 | SNo | 101 | FIDE | 1757 | Local | 2100 |
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| Name | Kowalczyk, Waldemar | Fed | POL | R.ChessArbiter | 1950 |
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| Club | | Title | I++ | Local ID | PL-2757 |
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| Code | 1109294 | Sex | M | Birthday | 1942-07-26 |
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| Number of rated opponents: | 9 | Score vs. rated opponents: | 4.0 |
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| Average rating: | 1858 | Rating Change: | 0.46 |
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