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Individual Calculations September 2019 |
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| Webster, Scott Total change: -10.60 | |   |
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| DMV Chess League Season 4 Round 3 | Idylwood, Virginia | USA | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1984 | 1.00 | 1 | 0.60 | 20 | 12.00 | |
|  Daniels, Jason Scott | | | 2060 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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) | | | | 51st Annual Atlantic Open | Falls Church, Virginia | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1984 | 1.50 | 5 | -1.13 | 20 | -22.60 | |
|  Barbosa, Oliver | g | | 2384 * | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Karell, Leif | | | 1912 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Bellayaru, Samarth | | | 1710 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Prestia, Paris | | | 2049 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Norman, Dennis | | | 1826 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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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