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Individual Calculations February 2013 |
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| Ivanov, Alexander Total change: 1.90 | |   |
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| 2013 Boston Chess Congress - Premier Section | Boston, Massachusetts | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2414 | 2542 | 3.50 | 5 | 0.26 | 10 | 2.60 | |
|  Shmelov, Denys Konstantin | | | 2418 | UKR | 0.50 | 1 | -0.17 | 10 | -1.70 | |  Esserman, Marc | m | | 2447 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Lowinger, Daniel | | | 2142 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Paikidze, Nazi | m | wg | 2391 | GEO | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Li, Chao B | g | | 2674 | CHN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | * 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 Portsmouth Open | Portsmouth, New Hampshire | USA | 2013-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2542 | 1.50 | 2 | -0.07 | 10 | -0.70 | |
| | Gaspar, John | | | 2142 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vigorito, David | m | | 2434 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | * 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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