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Individual Calculations June 2015 |
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| Vigorito, David Total change: -6.90 | |   |
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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 |
| 2290 | 2422 | 5.50 | 9 | -0.52 | 10 | -5.20 | |
|  Brattain, Mika A | | | 2344 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | |  Checa, Nicolas D | | | 2346 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Movsisyan, Movses | f | | 2233 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Hebert, Jean | m | | 2381 | CAN | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Vibbert, Sean | f | | 2312 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Akylbekov, Nasyr | | | 2228 | KGZ | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Gorti, Akshita | | wf | 2081 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Yuan, Yuanling | | wm | 2270 | CAN | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Shmeliov, Denis | m | | 2411 | UKR | 0.50 | 1 | -0.02 | 10 | -0.20 | |
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) | | | | 84th Massachusetts Open | Marlboro, Massachusetts | USA | 2015-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2422 | 4.00 | 6 | -0.17 | 10 | -1.70 | |
| | Khater, Sherif A | | | 2076 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hoy, Andrew | | | 2022 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ivanov, Alexander | g | | 2523 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Brattain, Mika A | | | 2344 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Shmeliov, Denis | m | | 2411 | UKR | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Times, Lawyer | | | 2094 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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