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Rapid:
Individual Calculations December 2018 |
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| Brown, Raehanna Total change: 7.20 | |   |
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| Chess in Motion Academy OPEN Rapid 2018 | KINGSTON | JAM | 2018-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1427 | 1.00 | 3 | -0.39 | 20 | -7.80 | |
|  Glaves, Raheem | | | 1827 * | JAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gregory, Ashley-Renae | | | 1488 | JAM | 1.00 | 1 | 0.58 | 20 | 11.60 | |  Williams, Daniel | | | 1082 | JAM | 0.00 | 1 | -0.89 | 20 | -17.80 | | | * 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) | | | | National Junior Rapid Championship 2018 | KINGSTON | JAM | 2018-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1427 | 2.50 | 4 | 0.75 | 20 | 15.00 | |
| | Christie, Michael | | | 1794 | JAM | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Curwin, Nickaylah | | | 1409 | JAM | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Oconnor, Zaina | | wc | 1226 | JAM | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Shaw, Jaden | | | 1531 | JAM | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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