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Individual Calculations October 2021 |
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| Selvarattinam, Genga Total change: -2.20 | |   |
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| Coulsdon Chess Standardplay Congress - Premier | London | ENG | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1500 | 0.50 | 2 | -0.11 | 20 | -2.20 | |
|  Spanton, Tim R | | | 1747 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Woolacott, Rob | | | 1560 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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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