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Individual Calculations April 2008 |
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| Harper, Warren Total change: 20.40 | |   |
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| Susan Polgar International Open | Brownsville, Texas | USA | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2234 | 1.00 | 2 | 0.30 | 15 | 4.50 | |
|  Ortiz, Nadya | | wm | 2272 | COL | 1.00 | 1 | 0.55 | 15 | 8.25 | |  Almeida, Alfonso | m | | 2426 | MEX | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Lone Star Open | Houston, Texas | USA | 2008-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2234 | 3.00 | 3 | 1.06 | 15 | 15.90 | |
| | Jayakumar, Adarsh | | | 1891 | IND | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Dejmak, Mark W | | | 2134 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Canda, Danilo | m | | 2292 | NCA | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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