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Individual Calculations July 2012 |
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| Yedidia, Jonathan Total change: 17.00 | |   |
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| 81st Massachusetts Open | Marlboro, Massachusetts | USA | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2357 | 2.50 | 4 | 0.52 | 10 | 5.20 | |
|  Liu, Andrew | | | 2086 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | |  Vigorito, David | m | | 2429 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Foygel, Igor | m | | 2481 | USA | 1.00 | 1 | 0.67 | 10 | 6.70 | | | Shmelov, Denys K | | | 2415 | UKR | 0.00 | 1 | -0.42 | 10 | -4.20 | |
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) | | | | 62nd New Hampshire Open | Manchester, New Hampshire | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2357 | 3.50 | 4 | 1.18 | 10 | 11.80 | |
| | Elmore, John P | | | 1959 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Fang, Joseph H | m | | 2307 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Bournival, Braden | f | | 2320 | USA | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Ivanov, Alexander | g | | 2526 | USA | 0.50 | 1 | 0.22 | 10 | 2.20 | |
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) | | |
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