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Individual Calculations October 2021 |
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| Cotreau, Kevin L Total change: 23.20 | |   |
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| 80th New England Open | Westford, Massachusetts | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1944 | 3.00 | 5 | 0.58 | 40 | 23.20 | |
|  McLatchie, Jonathan | | | 1855 | SCO | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Zhou, Jianchao | g | | 2344 * | CHN | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Meng, Alexander | | | 1544 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ivanov, Alexander | g | | 2344 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liu, Kelsey | | | 1776 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | * 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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