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Individual Calculations February 2023 |
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| Johnson, Chaya Total change: -8.80 | |   |
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| National Youth Chess Championship 2023 - Under 18 Female | Chaguanas | TTO | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1198 | 1.00 | 4 | -0.22 | 40 | -8.80 | |
|  Martin, Athena | | | 1204 | TTO | 1.00 | 1 | 0.51 | 40 | 20.40 | |  La Fleur, Zara | | | 1539 | TTO | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Martin, Athena | | | 1204 | TTO | 0.00 | 1 | -0.49 | 40 | -19.60 | | | La Fleur, Zara | | | 1539 | TTO | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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