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Rapid:
Individual Calculations September 2018 |
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| Barrett, Ariel Total change: 3.80 | |   |
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| M.R. Games Chess Open 2018 | KINGSTON | JAM | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1803 | 2.00 | 4 | 0.19 | 20 | 3.80 | |
|  Joseph, Marcus | f | | 2145 | TTO | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Issa, Elias | | | 1578 | JAM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Myers, Peter | | | 1947 | JAM | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Gray, Krishna | | | 1727 | JAM | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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