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Individual Calculations August 2015 |
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| Roach, Andrew Total change: 39.20 | |   |
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| 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 1917 | 3.00 | 8 | 0.98 | 40 | 39.20 | |
|  Aikhoje, Odion | m | | 2274 | NGR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Balleisen, Aaron S | | | 2162 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Giannatos, Peter | | | 2145 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Formanek, Edward W | m | | 2122 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Bustamante Orta, Jorge | | | 2120 | MEX | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Virkud, Apurva | | wc | 2064 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Bloomer, Josh S | | | 1920 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Chow, Colin | | | 2140 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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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