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Individual Calculations December 2017 |
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| Martin, Lewis Total change: 6.40 | |   |
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| 2017/18 4NCL Division 3 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2068 | 0.50 | 2 | -0.50 | 20 | -10.00 | |
|  Farrand, Tom | | | 2145 | JCI | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Pozimski, Szymon | | | 1987 | POL | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Bristol Winter Congress 2017 | Bristol | ENG | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2068 | 3.50 | 4 | 0.82 | 20 | 16.40 | |
| | Kramaley, David | | | 1839 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Howell, Oliver W | | | 1757 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Arkell, Keith C | g | | 2416 | ENG | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Hosdurga, Chirag | | | 1668 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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