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Individual Calculations February 2017 |
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| Portnoy, Noam Total change: 18.80 | |   |
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| Israel Youth Championship 2016-17 Girls U13 | Rishon Lezion | ISR | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1629 | 1.50 | 3 | -0.17 | 40 | -6.80 | |
|  Katkov, Michelle | | | 1652 | ISR | 0.00 | 1 | -0.47 | 40 | -18.80 | |  Cohen, Yael | | | 1375 | ISR | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Levitan, Ronit | | wc | 1712 | ISR | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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) | | | | Liga Bet Rishon Lezion 2017 Round 1-2 | various | ISR | 2017-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1659 | 2.00 | 2 | 0.64 | 40 | 25.60 | |
| | Kadosh, Lior | | | 1591 | ISR | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Oren, Ofer | | | 1445 | ISR | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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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