Individual Calculations March 2019 |
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Costello, Alexander Total change: -4.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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2019 San Diego Open | San Diego, California | USA | 2019-02-16 |
Rc | Ro | w | n | change | K | K*chg | Game |
2123 | 2302 | 4.00 | 6 | -0.22 | 20 | -4.40 | |
| Wen, Tommy | | | 1902 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | Wen, Teddie | | | 1952 * | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | Sethuraman, Sandeep | | | 2028 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | Somalwar, Anaiy | | | 2087 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | Watson, John | m | | 2207 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | Gareyev, Timur | g | | 2561 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | * 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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