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Individual Calculations September 2016 |
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| O Connor, Derek Total change: 22.00 | |   |
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| John Larkins Marathon | Berkeley, California | USA | 2016-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 2070 | 2.50 | 4 | 0.42 | 40 | 16.80 | |
|  Stearman, Josiah P | | | 2158 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |  Chalissery, Jossy | | | 1670 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Uyanga, Byambaa | | wf | 2045 | MGL | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Jirasek, Ladia R | | | 2260 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | 2016 Peoples Tournament | Berkeley, California | USA | 2016-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2070 | 2.50 | 4 | 0.13 | 40 | 5.20 | |
| | Jirasek, Ladia R | | | 2260 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Marcus, Joel | | | 1812 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Handigol, Abhishek | | | 1905 | USA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Ke, Ivan | | | 2012 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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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