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Rapid:
Individual Calculations December 2017 |
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| Ercsei, Iolanda-Elisabeta Total change: 24.20 | |   |
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| 2017 NYCA Under 16 County Championship | Kenilworth | ENG | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1253 | 1.00 | 2 | 0.50 | 20 | 10.00 | |
|  Samworth-Calvier, Juju | | | 1647 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Rajeev-Lazar, Seyon | | | 1308 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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) | | | | 2017 Warwickshire Junior Championship Under 14 | Kenilworth | ENG | 2017-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1253 | 1.00 | 1 | 0.71 | 20 | 14.20 | |
| | Grozea, Robert Georgel | | | 1411 | ROU | 1.00 | 1 | 0.71 | 20 | 14.20 | |
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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