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Individual Calculations May 2018 |
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| Tsay, Vincent Total change: -35.20 | |   |
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| 12th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2108 | 1.50 | 5 | -0.09 | 40 | -3.60 | |
|  Sheng, Joshua | m | | 2408 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Lee, Jayden | | | 1807 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Peng, David | f | | 2331 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Wegerle, Joerg | m | | 2424 | GER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jacobson, Aaron | f | | 2311 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Marshall Premier FIDE Open April 2017 | New York, New York | USA | 2018-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2136 | 2.00 | 4 | -0.79 | 40 | -31.60 | |
| | Liu, Bingjie | | | 1882 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Iyer, Tanishq | | | 1779 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Rama, Tejas | | | 1736 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Brodsky, David | m | | 2408 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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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