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Individual Calculations January 2018 |
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| Diaz, Conrado Total change: 4.60 | |   |
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| 2017 Berkeley Club Championship | Berkeley, California | USA | 2017-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2234 | 1.00 | 2 | -0.49 | 20 | -9.80 | |
|  Soltani, Mohammad | | | 1834 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Poehlmann, Roger | | | 2183 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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) | | | | Fall 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2234 | 6.00 | 8 | 0.48 | 20 | 9.60 | |
| | Dupree, Charles | | | 1834 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yanofsky, Kevin | | | 1834 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cheng, Alfonso | | | 1893 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Stearman, Josiah | f | | 2187 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Walder, Michael | | | 1984 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Winslow, Elliott | m | | 2214 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Whitehead, Paul | f | | 2315 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Oconnor, Derek | | | 2235 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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) | | | | Bay Area Chess Winter 2017 Championship | Milpitas, California | USA | 2017-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 2261 | 3.00 | 3 | 0.24 | 20 | 4.80 | |
| | Lu, Joshua | | | 1861 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Karnavat, Ojas | | | 1861 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chang, Eliam | | | 1861 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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