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Individual Calculations July 2010 |
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| Chiang, Sarah Total change: 18.15 | |   |
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| 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1808 | 2.50 | 8 | 1.58 | 15 | 23.70 | |
|  Haskel, Jeffrey | | | 2208 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Magness, Trevor S | | | 2123 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Krishnan, Varun | | | 2061 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Jaen, Miguel | | | 2208 * | PAN | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Shabalov, Alexander | g | | 2208 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bodek, Michael H | | | 2208 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Jayakumar, Adarsh | | | 2169 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Keating, Robert F | | | 2084 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2010 National Open | Las Vegas, Nevada | USA | 2010-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 1808 | 0.00 | 3 | -0.37 | 15 | -5.55 | |
| | Graves, Peter | | | 2196 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Gallegos, Paul A | | | 2099 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Kavutskiy, Konstanin | | | 2132 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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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