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Individual Calculations January 2011 |
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| Karpacz, Piotr Total change: 36.60 | |   |
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| World Youth Chess Championships 2010 - Open under 12 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1743 | 3.50 | 7 | 2.23 | 15 | 33.45 | |
|  Wu, Christopher | | | 2139 | USA | 1.00 | 1 | 0.92 | 15 | 13.80 | |  Petrosyan, Manuel | | | 1990 | ARM | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Stremavicius, Titas | | | 1943 | LTU | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Haria, Ravi | | | 1940 | ENG | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Viswanadha, Kesav | | | 2018 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Thybo, Jesper Sondergaard | | | 2029 | DEN | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Blandon, Luis Guillermo | | | 2003 | COL | 1.00 | 1 | 0.82 | 15 | 12.30 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | II Memorial Romana Baka - grupa B | Chorzow | POL | 2010-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1731 | 3.00 | 7 | 0.21 | 15 | 3.15 | |
| | Buchowski, Adam | | | 1859 | POL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Faron, Rafal | | | 1812 | POL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Szusterowski, Przemyslaw | | | 1881 | POL | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Czornik, Janusz | | | 1810 | POL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Szczecina, Kamil | | | 1728 | POL | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Czornik, Adam | | | 1766 | POL | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Muc, Zbigniew | | | 1780 | POL | 0.00 | 1 | -0.43 | 15 | -6.45 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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