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Individual Calculations March 2011 |
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| Williams, Justus D Total change: -7.80 | |   |
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| 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2154 | 1.50 | 5 | -0.42 | 15 | -6.30 | |
|  Shvartsman, Andrew | c | | 2204 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Sarkar, Justin | m | | 2418 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | |  Zenyuk, Iryna | c | wm | 2256 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Ostrovskiy, Aleksandr | f | | 2294 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Colas, Joshua | | | 2049 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | 2011 New York February Open | New York, New York | USA | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2154 | 0.50 | 2 | -0.10 | 15 | -1.50 | |
| | Bonin, Jay | m | | 2309 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Ostrovskiy, Aleksandr | f | | 2294 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | |
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