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Rapid:
Individual Calculations January 2016 |
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| Perry, Tal Total change: 12.40 | |   |
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| National Youth Championship 2015 Preliminaries U15 Center | Elkana | ISR | 2015-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1515 | 1.50 | 5 | -0.03 | 20 | -0.60 | |
|  Solomon, Asif | | | 1853 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Zach, Asif | | | 1650 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Gotainer, Sagi | | | 1628 | ISR | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Duek, Lior | | | 1427 | ISR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Barak, Gil | | | 1858 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Shahar Arad Memorial 2015 B | Kfar Saba | ISR | 2015-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1515 | 2.00 | 4 | 0.65 | 20 | 13.00 | |
| | Tsirilman, Guy | | | 1391 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Amiel, Roy | | | 1589 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Lubelsky, Alex | | | 1826 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Katsnelson, Leonard | | | 1821 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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) | | |
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