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Individual Calculations November 2019 |
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| Svoboda, Steven Total change: 21.60 | |   |
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| 2019 Walter Shipman Marathon | Berkeley, California | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1744 | 2.00 | 3 | 0.63 | 40 | 25.20 | |
|  Joshi, Mayin | | | 1571 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Acosta, Anthony | | | 1703 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Poehlmann, Roger | | | 2144 * | USA | 0.00 | 1 | -0.08 | 40 | -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) | | | | Berkeley Weekender October 2019 | Berkeley, California | USA | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 1751 | 0.00 | 1 | -0.09 | 40 | -3.60 | |
| | Poehlmann, Roger | | | 2133 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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