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Individual Calculations October 2021 |
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| Costello, Colin A Total change: -41.20 | |   |
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| Northumbria Masters Challengers 2021 | Newcastle | ENG | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1966 | 4.00 | 7 | -2.06 | 20 | -41.20 | |
|  Faulkner, Adam | | | 1628 | ENG | 0.50 | 1 | -0.38 | 20 | -7.60 | |  Dean, Robert A | | | 1724 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Carmichael, Ned | | | 1664 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Jackson, Edward | | | 1566 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Turner, Lewis A | | | 1749 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Pelling, Kyle | | | 1587 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Cordova-Lopez, Diego Anton | | | 1566 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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