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Individual Calculations October 2008 |
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| Heimann, Mark A Total change: 43.35 | |   |
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| Cleveland Open | Cleveland, Ohio | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2442 | 2284 | 1.00 | 2 | 0.38 | 15 | 5.70 | |
|  Erenburg, Sergey | g | | 2568 | ISR | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Lein, Anatoly Y | g | | 2315 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2284 | 2.50 | 3 | 0.59 | 15 | 8.85 | |
| | Rosario, Salvador | | | 2176 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Margulis, Yevgeni | | | 2271 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Haskel, Jeffrey | | | 2101 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | 64th Annual Ohio Chess Congress | Columbus, Ohio | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2270 | 2284 | 4.50 | 5 | 1.92 | 15 | 28.80 | |
| | Dowling, John | | | 2070 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Koo, Oliver T | | | 2279 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Blocker, Calvin | m | | 2372 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Taylor, Timothy W | m | | 2322 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Boor, Carl Brandon | | | 2306 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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