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Individual Calculations July 2013 |
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| Robinson, Darrian Total change: 19.50 | |   |
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| 22nd Annual Chicago Open - Under 2300 Section | Wheeling, Illinois | USA | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1999 | 3.00 | 5 | 1.30 | 15 | 19.50 | |
|  Boas, Toby | | | 2202 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Hallenbeck, Alex | | | 2038 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Sakai, Hibicki | | | 2093 | JPN | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Auger, Michael William | | | 2085 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Iwu, Okechukwu N | | | 2181 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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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