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Individual Calculations August 2022 |
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| Costello, Alexander John Total change: -8.00 | |   |
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| 27th annual Pacific Coast Open Premier | Los Angeles, CA | USA | 2022-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2232 | 4.50 | 6 | -0.40 | 20 | -8.00 | |
|  Nathan, Nitish Sg | c | | 1791 | USA | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Nathan, Krishna | | | 1966 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Finkelstein, Alan J | | | 1987 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Jiang, Lucas | | | 2082 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Zhang, Nathaniel Albion | | | 2068 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Gasparyan, David | | | 1832 * | USA | 1.00 | 1 | 0.08 | 20 | 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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