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Individual Calculations May 2015 |
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| Zierk, Steven C Total change: -2.40 | |   |
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| 9th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2015-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2485 | 6.50 | 9 | -0.24 | 10 | -2.40 | |
|  Peng, David Tianjian | c | | 2168 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Shen, Arthur | f | | 2316 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Betaneli, Alexander | f | | 2254 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Mandizha, Farai | m | | 2365 | ZIM | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Balakrishnan, Praveen | | | 2125 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Colas, Joshua | | | 2316 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Tang, Andrew | m | | 2326 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Homa, Seth | f | | 2367 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Sorkin, Igor | | | 2325 | ISR | 1.00 | 1 | 0.29 | 10 | 2.90 | |
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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