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Rapid:
Individual Calculations January 2018 |
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| Lomes, Ariel Total change: 13.40 | |   |
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| Israel Cadet Championship U9 Qualifier 2017 South | Ashkelon | ISR | 2017-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1150 | 1.00 | 1 | 0.67 | 20 | 13.40 | |
|  Kirsch, Yahel David | | | 1272 | ISR | 1.00 | 1 | 0.67 | 20 | 13.40 | |
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) | | |
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