| Player data |
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 | SNo | 4 | FIDE | B 1764 | Local | 2000 |
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| Name | Mastej, Krzysztof | Fed | POL | R.ChessArbiter | 0 |
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| Club | KKsz Urania Krosno | Title | I | Local ID | PL-90092 |
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| Code | 21061912 | Sex | M | Birthday | 2007 |
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| | Opponnents |
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| Round | Color | Score | S.No. | Total | Local ID | Title | Name | FIDE | Local | Club |
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| 1 | b | 0 | 15 | 7.0 | PL-77673 | I | Karaś, Kacper | B 1599 | 2000 | TSz Skoczek Sędziszów Małopolski | | 2 | w | 1 | 18 | 5.0 | PL-44361 | II | Mich, Tomasz | 1534 | 1800 | | | 3 | b | = | 12 | 7.0 | PL-112142 | II+ | Juszczyk, Michał | 1639 | 1900 | Jasło | | 4 | w | 1 | 13 | 7.0 | PL-11366 | II | Frączek, Jan | 1634 | 1800 | KSz. Czarny Koń Rogi | | 5 | w | 1 | 2 | 7.5 | PL-22566 | II+ | Wójcik, Mikołaj | 1821 | 1900 | KKsz Urania Krosno | | 6 | b | = | 5 | 9.0 | PL-97451 | I | Oberc, Szymon | B 1751 | 2000 | KKsz Urania Krosno | | 7 | w | = | 6 | 12.5 | PL-42802 | I+ | Guzik, Michał | B 1746 | 2100 | KKsz Urania Krosno | | 8 | b | = | 1 | 9.5 | PL-22083 | II+ | Żegota, Andrzej | B 1875 | 1900 | KSz. Czarny Koń Rogi | | 9 | w | 0 | 3 | 10.5 | PL-11340 | I | Kojder, Tomasz | B 1783 | 2000 | KSz Gambit Przeworsk | | 10 | w | 1 | 14 | 9.0 | PL-49262 | II | Uliasz, Karol | B 1616 | 1800 | KSz. Czarny Koń Rogi | | 11 | b | 1 | 7 | 11.5 | PL-81870 | II | Słyś, Jan | B 1722 | 1800 | KSz. Czarny Koń Rogi | | 12 | b | 0 | 9 | 10.5 | PL-51086 | I | Kucza, Arkadiusz | B 1690 | 2000 | KSz. Czarny Koń Rogi | | 13 | w | 1 | 22 | 0.0 | PL-47667 | IV | Kowalczyk, Konrad | 0 | 1400 | | | 14 | w | 0 | 10 | 11.5 | | | Shymoniak, Ihor | B 1685 | 1000 | Lwów | | 15 | b | 1 | 21 | 2.0 | PL-115833 | IV | Owczarek, Szymon | 0 | 1400 | KSz. Czarny Koń Rogi |
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| Number of rated opponents: | 13 | Score vs. rated opponents: | 7.0 |
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| Average rating: | 1700 | Rating Change: | -0.62 |
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