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Individual Calculations July 2009 |
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| Karagianis, Petros Total change: 9.45 | |   |
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| Iowa Closed Chess championship | Marshalltown, Iowa | USA | 2009-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2194 | 4.00 | 5 | 0.63 | 15 | 9.45 | |
|  Eichhorn, George S | | | 2084 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Madison, Jeremy Mi | | | 1981 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Keating, Robert F | | | 2063 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Mc Entee, Tim R | | | 2156 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Anzis, Matt | | | 2024 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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