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Rapid:
Individual Calculations December 2021 |
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| Duma, Daniel Total change: 9.20 | |   |
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| Golders Green FIDE Rapidplay - NOV1 Open | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1665 | 1672 | 3.00 | 5 | 0.46 | 20 | 9.20 | |
|  Yu, Rock | | | 1275 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Salerno, Francesco | | | 1976 | ITA | 1.00 | 1 | 0.86 | 20 | 17.20 | |  Koiza, Peter | | | 1682 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Pigott, John C | m | | 2186 | ENG | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Ravithas, Ashwin | | | 1206 | ENG | 1.00 | 1 | 0.05 | 20 | 1.00 | |
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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