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Individual Calculations July 2013 |
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| Virkud, Apurva Total change: 31.50 | |   |
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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 |
| 2147 | 1885 | 3.50 | 7 | 2.19 | 15 | 32.85 | |
|  Dougherty, Michael | f | | 2154 | CAN | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Ofek, Ariel | | | 2030 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Pangan, Camilo C | f | | 2285 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Plotkin, David | | | 2125 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Angelov, Boyan | | | 2068 | BUL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Corallo, Michael Patrick | | | 2203 | USA | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Yu, Corbin Zachary | | | 2164 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | * 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) | | | | 2013 Michigan Bottom Half Class Championship | Comstock Park, Michigan | USA | 2013-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2283 | 1906 | 0.00 | 1 | -0.09 | 15 | -1.35 | |
| | Sprenkle, David C | f | | 2283 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | |
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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