| Player data |
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 | SNo | 17 | FIDE | 1737 | Local | 2000 |
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| Name | Wirtek, Jerzy | Fed | POL | R.ChessArbiter | 1895 |
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| Club | SCS Sokół Chorzów | Title | I | Local ID | PL-6208 |
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| Code | 1121731 | Sex | M | Birthday | 1952 |
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| Number of rated opponents: | 7 | Score vs. rated opponents: | 2.0 |
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| Average rating: | 1769 | Rating Change: | -1.22 |
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