| Player data |
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 | SNo | 1 | FIDE | 2523 | Local | 2500 |
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| Name | Jakubowski, Krzysztof | Fed | POL | Birthday | 1983-09-23 |
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| Club | MLKS Ostródzianka Ostróda | Title | GM | Local ID | PL-4321 |
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| Code | 1112848 | Sex | M | State | WM |
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| Number of rated opponents: | 9 | Score vs. rated opponents: | 6.0 |
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| Average rating: | 2266 | Rating Change: | -1.19 |
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