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Individual Calculations October 2017 |
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| Campbell, Kevron Total change: -4.80 | |   |
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| St. Jago Open 2017 [Open] | Spanish Town | JAM | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1881 | 4.50 | 6 | 0.11 | 20 | 2.20 | |
|  Morgan, Tajae | | | 1618 | JAM | 0.50 | 1 | -0.32 | 20 | -6.40 | |  McKoy, Troy | | | 1553 | JAM | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Smith, Melisha | | wc | 1671 | JAM | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lungrin, Rashade | | | 1774 | JAM | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Hinds, Nathan | | | 1876 | JAM | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Belinfante, Nathan | | | 1667 | JAM | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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) | | | | Harold Chan Open 2017 | Kingston | JAM | 2017-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1881 | 3.00 | 4 | -0.35 | 20 | -7.00 | |
| | McKoy, Troy | | | 1553 | JAM | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Shaw, Jaden | | | 1481 * | JAM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Barrett, Leighton | c | | 1650 | JAM | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Lyn, Christopher | | | 1667 | JAM | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | |
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