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Individual Calculations February 2020 |
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| Watts, Justin Total change: -4.40 | |   |
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| National Junior Championships (Abs) 2020 | Kingston, Jamaica | JAM | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1506 | 2.50 | 7 | -0.11 | 40 | -4.40 | |
|  Shaw, Jaden | | | 1684 | JAM | 0.00 | 1 | -0.27 | 40 | -10.80 | |  McDonald, Angelus-Seren | | | 1666 | JAM | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Glaves, Raheem | f | | 1906 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Martin, Shamir | | | 1352 | JAM | 1.00 | 1 | 0.29 | 40 | 11.60 | | | McDermott, Peter John | | | 1859 | JAM | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Stephenson, John | | | 1627 | JAM | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Walters, Romaine | | | 1250 | JAM | 0.50 | 1 | -0.31 | 40 | -12.40 | | | * 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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