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Individual Calculations July 2010 |
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| Vigorito, David Total change: -4.90 | |   |
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| 79th Massachusetts Open | Leominster, Massachusetts | USA | 2010-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2416 | 1.00 | 2 | -0.49 | 10 | -4.90 | |
|  Rueda, Libardo | | | 2155 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Chase, Christopher | f | | 2294 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | |
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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