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Individual Calculations August 2017 |
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| Brattain, Mika A Total change: 17.00 | |   |
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| 2017 Columbus Open | Columbus, Ohio | USA | 2017-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2368 | 4.00 | 5 | 0.31 | 20 | 6.20 | |
|  Hayes, John R Ii | | | 1999 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Kelley, Deshawn | | | 2108 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Xu, Grant Y | | | 2158 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Ramer, Scott | | | 2182 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Blatny, Pavel | g | | 2394 | CZE | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | 2017 U.S. Junior Championship | Saint Louis, Missouri | USA | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2451 | 2364 | 4.00 | 9 | 0.54 | 20 | 10.80 | |
| | Li, Ruifeng | g | | 2568 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Chandra, Akshat | g | | 2484 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Brown, Michael William | m | | 2508 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Liu, Bovey | | | 2228 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Liang, Awonder | m | | 2536 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Checa, Nicolas D | m | | 2415 | USA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Colas, Joshua | f | | 2366 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Tang, Andrew | m | | 2478 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Troff, Kayden W | g | | 2472 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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) | | |
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