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Individual Calculations December 2017 |
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| Britton, Richard L Total change: 17.80 | |   |
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| 16th 4NCL Congress Open | Coventry | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2221 | 3.00 | 5 | 0.75 | 20 | 15.00 | |
|  Metcalfe, Charlie P | | | 1821 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Greet, Andrew N | m | | 2460 | SCO | 1.00 | 1 | 0.80 | 20 | 16.00 | |  Arkell, Keith C | g | | 2416 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Longson, Sarah N | | wf | 2103 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Williams, Simon K | g | | 2437 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | * 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) | | | | 2017/18 4NCL Division 3 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2221 | 1.50 | 2 | 0.14 | 20 | 2.80 | |
| | Pleasants, Allan J | | | 2144 | WLS | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Ralphs, Nigel | | | 2031 | WLS | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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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