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Individual Calculations February 2017 |
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| James, Dai Total change: -22.80 | |   |
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| South Wales New Year Open 2017 | Bridgend | WLS | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1872 | 1.00 | 4 | -1.14 | 20 | -22.80 | |
|  Brown, Thomas | | | 2065 | WLS | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Bonutto, Stephen | | | 1472 * | WLS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Haigh, Tony | | | 1822 | WLS | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Lewis, David Rhys | | | 1948 | WLS | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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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