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Individual Calculations November 2010 |
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| Helfst, Matt Total change: -5.40 | |   |
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| 3rd Annual Louisville Open | Louisville, Kentucky | USA | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 1924 | 1.00 | 3 | 0.31 | 15 | 4.65 | |
|  Vibbert, Sean | | | 2138 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Bush, Chris | | | 2117 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | |  Vilenchuk, Michael | | | 2152 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | Cleveland Open | Cleveland, Ohio | USA | 2010-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1924 | 0.50 | 2 | -0.32 | 15 | -4.80 | |
| | Meekins, Kristopher | | | 2154 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Cabart, Pavel | | | 1846 | CZE | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 28th Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2010-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 1924 | 0.50 | 5 | -0.35 | 15 | -5.25 | |
| | Zenyuk, Iryna | c | wm | 2271 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Serpik, Ilia | | | 2196 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Kelley, Dereque D | | | 2196 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Sandberg, Evan M | | | 2177 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Furman, Leonid | | | 2157 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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