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Individual Calculations December 2021 |
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| Zakarian, David Total change: 9.80 | |   |
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| 2021 Scarborough Chess Congress | Scarborough | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2306 | 3.00 | 3 | 0.76 | 10 | 7.60 | |
|  Garnett, John S | | | 1906 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Mitchell, Martin | | | 2190 | SCO | 1.00 | 1 | 0.34 | 10 | 3.40 | |  Nelson, Jonathan P | | | 2186 | ENG | 1.00 | 1 | 0.34 | 10 | 3.40 | | | * 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) | | | | 2021/22 4NCL Division 1 & 2 Rounds 1-2 | Milton Keynes | ENG | 2021-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2306 | 1.50 | 2 | 0.22 | 10 | 2.20 | |
| | Delaney, Killian | f | | 2300 | IRL | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Price, Gwilym | | | 2097 | ENG | 0.50 | 1 | -0.27 | 10 | -2.70 | |
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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