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Individual Calculations August 2013 |
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| Acosta, Mariano A Total change: -0.30 | |   |
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| 2013 Billy Colias Memorial - Group A | Rosemont, Illinois | USA | 2013-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 1981 | 1.50 | 4 | 0.62 | 15 | 9.30 | |
|  Karagianis, Petros | | | 2166 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Chow, Albert C | f | | 2136 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | |  Kudrin, Sergey | g | | 2381 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Wallach, Kenneth T | | | 2170 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | * 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) | | | | 6th Annual Chicago Class | Wheeling, Illinois | USA | 2013-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1981 | 0.00 | 2 | -0.64 | 15 | -9.60 | |
| | Gurevich, Dmitry | g | | 2381 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bian, Alex | | | 1936 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | * 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) | | |
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