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Individual Calculations April 2009 |
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| Getz, Alec Total change: 5.70 | |   |
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| 35th Annual Eastern Open | Washington DC | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2222 | 3.50 | 7 | 0.02 | 15 | 0.30 | |
|  Freix, Andrew J | | | 1953 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | |  Ivanov, Alexander | g | | 2547 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Ostrovskiy, Aleksander | c | | 2112 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Times, Jerald W | | | 2202 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Hu, Zhi-Ya | | | 2253 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Thaler, Michael | | | 2217 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Betaneli, Alex | f | | 2318 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2223 | 1.50 | 2 | 0.36 | 15 | 5.40 | |
| | Kaufman, Raymond | m | | 2308 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Reznik, Roman | | | 2017 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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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