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Individual Calculations October 2018 |
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| Sevillano, Enrico Total change: -6.10 | |   |
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| 2018 CalChess State Championship | Union City, California | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2423 | 4.00 | 6 | -0.65 | 10 | -6.50 | |
|  Pan, Kevin | | | 2040 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Chambers, Ezra Paul | f | | 2248 | BDI | 1.00 | 1 | 0.27 | 10 | 2.70 | | | O`connor, Derek | | | 2232 | USA | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Li, Beilin | | | 2039 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Lee, Megan | | wm | 2165 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Yoo, Christopher Woojin | f | | 2402 | USA | 0.00 | 1 | -0.53 | 10 | -5.30 | |
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) | | | | GM George Koltanowski Memorial | Milpitas, California | USA | 2018-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2423 | 2.50 | 3 | 0.04 | 10 | 0.40 | |
| | Wang, Henry | | | 2023 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yanayt, Eugene | f | | 2081 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Taghizadeh, Rayan | f | | 2302 | USA | 0.50 | 1 | -0.16 | 10 | -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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