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Individual Calculations February 2018 |
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| Harmon-Vellotti, Luke Total change: -9.30 | |   |
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| 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2468 | 3.50 | 5 | -0.93 | 10 | -9.30 | |
|  Hills, Kenneth | | | 2090 | USA | 0.00 | 1 | -0.91 | 10 | -9.10 | |  Sirak, Guy | | | 2068 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lin, Michael | | | 2128 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Aigner, Michael | | | 2096 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Ke, Ivan | | | 2207 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | * 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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