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Individual Calculations May 2010 |
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| Leach, Daniel F Total change: 11.50 | |   |
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| 42nd Annual Virginia Open | McLean, Virginia | USA | 2010-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2127 | 2.00 | 4 | 0.25 | 25 | 6.25 | |
|  Gorman, Dov | f | | 2266 | USA | 0.50 | 1 | 0.19 | 25 | 4.75 | |  Clancy, Daniel J | | | 2151 | USA | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Uesugi, Shinsaku | f | | 2323 | JPN | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Dickson, James O | | | 1963 | USA | 0.50 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | Philadelphia Open | Philadelphia, Pennsylvania | USA | 2010-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2127 | 4.00 | 8 | 0.80 | 25 | 20.00 | |
| | Ivanov, Alexander | g | | 2527 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Sakai, Hibiki | | | 2003 | JPN | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Kekelidze, Mikheil | g | | 2430 | GEO | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Winter, Curtis A | | | 1903 | USA | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Melekhina, Alisa | | wm | 2271 | USA | 1.00 | 1 | 0.69 | 25 | 17.25 | | | Zenyuk, Iryna | c | wm | 2263 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Lucente, Mike | | | 2059 | USA | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Santarius, Erik | | | 2266 | USA | 0.00 | 1 | -0.31 | 25 | -7.75 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 50th Maryland Open | Rockville, Maryland | USA | 2010-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2127 | 0.00 | 2 | -0.59 | 25 | -14.75 | |
| | Kaufman, Raymond | m | | 2297 | USA | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Gorman, Dov | f | | 2266 | USA | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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