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Individual Calculations December 2015 |
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| Griffiths, Hywel Total change: -10.00 | |   |
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| Welsh Chess Premier League 2015/16 Round 1 | Various | WLS | 2015-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1836 | 0.00 | 1 | -0.30 | 40 | -12.00 | |
|  Adams, Mark | | | 1984 | WLS | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 4NCL Division 4 WE1 | Telford | ENG | 2015-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1836 | 1.50 | 2 | 0.05 | 40 | 2.00 | |
| | Dixon, Chris | | | 1812 | WLS | 0.50 | 1 | -0.03 | 40 | -1.20 | |  Karia, Devin | | | 1436 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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