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Individual Calculations February 2018 |
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| Opaska, Michael Total change: -31.80 | |   |
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| 50th Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1942 | 1.00 | 4 | -1.17 | 20 | -23.40 | |
|  Raparthi, Ankit | | | 1846 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | |  Bartell, Thomas | m | | 2342 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Luo, Terry | | | 1671 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Chen, Derek | | | 1848 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | * 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) | | | | 2018 Cardinal Open | Columbus, Ohio | USA | 2018-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1942 | 2.00 | 5 | -0.42 | 20 | -8.40 | |
| | Arvind, C.j. | f | | 2166 | IND | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Baker, Vincent | | | 2147 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Belgikar, Kabir | | | 1625 | IND | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Liang, Justin | | | 1795 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Davidovich, Manis | | | 2023 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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) | | |
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