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Individual Calculations March 2010 |
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| Gershenov, Ben Total change: 30.00 | |   |
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| 36th Annual Eastern Open | Washington DC | USA | 2009-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2047 | 3.00 | 6 | 1.06 | 15 | 15.90 | |
|  Vigorito, David | m | | 2411 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Slack, David | | | 2054 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Shibut, Macon A | f | | 2236 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Hu, Zhi-Ya | | | 2237 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Low, Scott T | | | 2170 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Beckman, Thomas J | | | 2035 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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) | | | | 42nd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2010-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2047 | 1.50 | 3 | 0.36 | 15 | 5.40 | |
| | Uesugi, Shinsaku | f | | 2313 | JPN | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Winter, Curtis A | | | 1903 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Katz, Michael S | | | 2221 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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) | | | | Bermuda International Open | Hamilton | BER | 2010-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2047 | 2.50 | 4 | 0.58 | 15 | 8.70 | |
| | , Warren | | | 1647 * | BER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | De, Firmian | g | | 2447 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | , Radford | | | 1908 | BER | 1.00 | 1 | 0.31 | 15 | 4.65 | | | , Khodarkovsky | | | 2260 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | * 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) | | |
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