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Individual Calculations June 2015 |
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| Brattain, Mika A Total change: 13.20 | |   |
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| Manchester May 2015 IM Norm | Manchester, New Hampshire | USA | 2015-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2344 | 5.50 | 9 | 0.48 | 20 | 9.60 | |
|  Vigorito, David | m | | 2422 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Akylbekov, Nasyr | | | 2228 | KGZ | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Gorti, Akshita | | wf | 2081 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Yuan, Yuanling | | wm | 2270 | CAN | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Shmeliov, Denis | m | | 2411 | UKR | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Vibbert, Sean | f | | 2312 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Checa, Nicolas D | | | 2346 | USA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Movsisyan, Movses | f | | 2233 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Hebert, Jean | m | | 2381 | CAN | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | 84th Massachusetts Open | Marlboro, Massachusetts | USA | 2015-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2344 | 3.50 | 5 | 0.18 | 20 | 3.60 | |
| | Lee, Megan | | wm | 2069 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Shmeliov, Denis | m | | 2411 | UKR | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Vigorito, David | m | | 2422 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Sage, J Timothy | | | 2086 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hoy, Andrew | | | 2022 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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