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Individual Calculations November 2009 |
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| Gurevich, Daniel Total change: 30.25 | |   |
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| 65th Ohio Chess Congress | Dayton, Ohio | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 1942 | 1.50 | 3 | 0.73 | 25 | 18.25 | |
|  Pappu, Ananth | | | 2148 | USA | 0.50 | 1 | 0.26 | 25 | 6.50 | |  Vilenchuk, Michael | | | 2117 | USA | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Casden, Alan | | | 2128 | USA | 0.50 | 1 | 0.24 | 25 | 6.00 | |
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) | | | | 2009 North Carolina Class Championship | Charlotte, North Carolina | USA | 2009-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2214 | 1942 | 1.00 | 3 | 0.48 | 25 | 12.00 | |
| | Studen, Damir | | | 2194 | USA | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Aliyev, Timur | | | 2243 | ISR | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Potter, Russell | | | 2206 | USA | 0.50 | 1 | 0.32 | 25 | 8.00 | |
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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