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Rapid:
Individual Calculations January 2016 |
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| Portnoy, Noam Total change: 9.80 | |   |
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| National Youth Championship 2015 Preliminaries U11 Center | Elkana | ISR | 2015-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1504 | 2.00 | 3 | 0.21 | 20 | 4.20 | |
|  Adari, Orad | | | 1507 | ISR | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Verni, David | | | 1392 | ISR | 1.00 | 1 | 0.35 | 20 | 7.00 | |  Gleizer, Adar | | | 1402 | ISR | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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) | | | | Shahar Arad Memorial 2015 B | Kfar Saba | ISR | 2015-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1504 | 1.00 | 3 | 0.28 | 20 | 5.60 | |
| | Kochavi, Ori | | | 1756 | ISR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Shtern, Shmuel | | | 1711 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Botvinnik, Roman | | | 1654 | ISR | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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