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Individual Calculations October 2018 |
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| Lu, Joshua Total change: 15.60 | |   |
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| 2018 CalChess State Championship | Union City, California | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1830 | 2.00 | 5 | 0.28 | 40 | 11.20 | |
|  Wang, Henry | | | 1970 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |  Wu, Rochelle | | wc | 2029 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Senthilkumar, Pranav | c | | 1855 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Pan, Kevin | | | 2040 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Palusa, Maurya | | | 1849 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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 |
| 1833 | 1830 | 2.00 | 4 | 0.11 | 40 | 4.40 | |
| | Yanayt, Eugene | f | | 2081 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Ghosh, Prarthan | | | 1430 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Quander, Marshall J | | | 1916 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Santanna, Paulo | | | 1906 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | * 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) | | |
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