Individual Calculations October 2018 |
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Costello, Alexander Total change: -14.80 | | |
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40th Annual Southern California Open | San Diego, California | USA | 2018-09-01 |
Rc | Ro | w | n | change | K | K*chg | Game |
2016 | 2215 | 4.00 | 6 | -0.37 | 40 | -14.80 | |
| Soong, Danny | | | 1878 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | Brown, Wayne | | | 2044 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | | Chen, Jonathan | | | 1815 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | Diem, Thomas | | | 1878 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | Gareyev, Timur | g | | 2579 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | McNeill, Gordon | | | 1901 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | * 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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