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Individual Calculations October 2008 |
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| Seitzer, Phillip Total change: 13.00 | |   |
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| Cleveland Open | Cleveland, Ohio | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 1871 | 1.00 | 3 | 0.63 | 25 | 15.75 | |
|  Stopa, John R | | | 2221 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Allen Sr, David J | | | 2171 | USA | 1.00 | 1 | 0.85 | 25 | 21.25 | |  Koo, Oliver T | | | 2221 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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 |
| 2221 | 1871 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
| | Umezinwa, George O | | | 2221 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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