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Individual Calculations September 2018 |
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| Portero Bravo, Aitana Total change: -16.00 | |   |
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| Gibraltar Junior Chess Festival 2018 U12 | Gibraltar | ENG | 2018-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1568 | 1.50 | 4 | -0.40 | 40 | -16.00 | |
|  Shigaev, Arthur | | | 1273 | ESP | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Volovich, Julia | | | 1651 | ENG | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Diaz Mino, Daniel | | | 1803 | ESP | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gilmore, Samuel | | | 1605 | ENG | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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