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Individual Calculations May 2012 |
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| Richman, Jonathan Total change: -43.50 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2006 | 0.00 | 3 | -0.93 | 15 | -13.95 | |
|  Sarkar, Justin | m | | 2370 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Vilenchuk, Michael | | | 2223 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Lawrence, Jeffrey | | | 1926 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | 21st Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2012-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2045 | 0.00 | 4 | -1.30 | 15 | -19.50 | |
| | Ivanov, Alexander | g | | 2445 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sharp, Dale E | | | 2031 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Fikiet, Alex M | | | 2222 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Rozovsky, Daniel | f | | 2098 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | * 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 Philadelphia Open | Philadelphia, Pennsylvania | USA | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2045 | 0.00 | 3 | -0.67 | 15 | -10.05 | |
| | Coleman, Teddy | f | | 2355 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Williams, Justus D | | | 2197 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Ortiz, Nadya | | wg | 2255 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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