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Individual Calculations February 2015 |
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| Jacobson, Brandon Total change: 45.60 | |   |
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| 98th Annual Marshall Chess Club Championship | New York, New York | USA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 1981 | 3.00 | 7 | 1.03 | 40 | 41.20 | |
|  Wang, Qibiao | | | 2218 | CHN | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Chandra, Akshat | m | | 2381 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sena, Juan | | | 2108 | DOM | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Zats, Yefrem | | | 2075 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Chernin, Oliver | | | 2173 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Miyasaka, Matthew Shoji | | | 2050 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Hulse, Brian | f | | 2101 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | * 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) | | | | 24th Annual North American Open | Las Vegas, Nevada | USA | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 1981 | 1.00 | 5 | 0.11 | 40 | 4.40 | |
| | Gulamali, Kazim | f | | 2315 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Velikanov, Alexander | f | | 2234 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Panchanatham, Vignesh | f | | 2238 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Hu, Bryan | | | 2185 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Salakhutdinov, Ildar | f | | 2264 | RUS | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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