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Individual Calculations June 2014 |
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| Brattain, Mika A Total change: 34.65 | |   |
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| 2014 MWCC Club Championship | Natick, Massachusetts | USA | 2014-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2250 | 3.00 | 5 | 0.33 | 30 | 9.90 | |
|  Abdi, Farzad | | | 2043 | USA | 0.00 | 1 | -0.77 | 30 | -23.10 | |  Martirosov, Vadim | | | 2231 | USA | 0.50 | 1 | -0.03 | 30 | -0.90 | | | Times, Lawyer | | | 2054 | USA | 1.00 | 1 | 0.25 | 30 | 7.50 | | | Shmelov, Denys Konstantinovich | f | | 2416 | UKR | 0.50 | 1 | 0.22 | 30 | 6.60 | | | Yedidia, Jonathan | m | | 2370 | USA | 1.00 | 1 | 0.66 | 30 | 19.80 | |
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) | | | NOTE: K factor changed | | 83rd Massachusetts Open | Marlboro, Massachusetts | USA | 2014-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2250 | 4.00 | 5 | 1.65 | 15 | 24.75 | |
| | Brodsky, David | | | 2053 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Sage, J Timothy | | | 2066 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Ivanov, Alexander | g | | 2517 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Perez, Robert M | | | 2344 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Shmelov, Denys K | f | | 2391 | UKR | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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