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Individual Calculations October 2008 |
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| Heimann, Alexander Total change: 28.25 | |   |
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| 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2220 | 1.50 | 3 | 0.49 | 25 | 12.25 | |
|  Erenburg, Sergey | g | | 2563 | ISR | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Rosario, Salvador | | | 2176 | USA | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Zlotnikov, Mikhail | m | | 2345 | USA | 0.50 | 1 | 0.17 | 25 | 4.25 | |
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) | | | | 64th Annual Ohio Chess Congress | Columbus, Ohio | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2220 | 2.00 | 3 | 0.64 | 25 | 16.00 | |
| | Rea, Andrew B | | | 2157 | USA | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Umezinwa, George O | | | 2242 | USA | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Blocker, Calvin | m | | 2372 | USA | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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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