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Individual Calculations January 2023 |
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| Bostina, Vladimir-Ioan Total change: 25.20 | |   |
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| French Trophy U08 | Bucuresti | ROU | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1156 | 0.00 | 1 | -0.26 | 40 | -10.40 | |
|  Varabiescu, Petru | | | 1339 | ROU | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Bucharest Chess Weekend 1800 - 4th ed. | Bucuresti | ROU | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1156 | 1.50 | 4 | 0.89 | 40 | 35.60 | |
|  Cristian, Codrut | | | 1641 | ROU | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Covaci, Stefan | | | 1469 | ROU | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Caraghete, Ana-Marina | | | 1282 | ROU | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Tiloiu, Darius-Lucian | | | 1524 | ROU | 0.50 | 1 | 0.40 | 40 | 16.00 | |
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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