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Individual Calculations April 2009 |
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| Rabin, Evan Z Total change: -2.55 | |   |
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| 35th Annual Eastern Open | Washington DC | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2027 | 2.50 | 6 | 0.01 | 15 | 0.15 | |
|  Yermolinsky, Alex | g | | 2377 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Stanley, Douglas | | | 2022 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Freix, Andrew J | | | 1953 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Trower, Todd | | | 2012 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Enkhbat, Tegshsure | f | | 2377 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Yagiz, Bora | | | 1926 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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 |
| 2156 | 2036 | 0.50 | 2 | -0.18 | 15 | -2.70 | |
| | Cohen, Harry S | | | 2110 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Rueda, Libardo | | | 2201 | USA | 0.00 | 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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