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Individual Calculations December 2017 |
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| Roberson, Peter T Total change: 1.70 | |   |
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| 16th 4NCL Congress Open | Coventry | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2410 | 3.00 | 5 | -0.58 | 10 | -5.80 | |
|  Moore, Gerald | | | 2071 | ENG | 0.50 | 1 | -0.38 | 10 | -3.80 | |  French, Max | | | 2010 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Han, Yichen | | | 2010 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Williams, Simon K | g | | 2437 | ENG | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Adair, James R | m | | 2479 | ENG | 0.00 | 1 | -0.40 | 10 | -4.00 | | | * 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) | | | | 2018/19 4NCL Div 1 Rounds 1-2 | Telford | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2518 | 2410 | 1.50 | 2 | 0.75 | 10 | 7.50 | |
| | Zakarian, David | f | | 2349 | ARM | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Sadler, Matthew D | g | | 2687 | ENG | 0.50 | 1 | 0.33 | 10 | 3.30 | |
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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