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Rapid:
Individual Calculations January 2016 |
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| Ehrlich, Roy Total change: 26.80 | |   |
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| National Youth Championship 2015 Preliminaries U13 Center | Elkana | ISR | 2015-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1534 | 1.50 | 4 | -0.10 | 20 | -2.00 | |
|  Tillinger, Aviv | | | 1738 | ISR | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Tamir, Roee | | | 1458 | ISR | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Parnes, Nadav | | | 1666 | ISR | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Sokolovsky, Yahli | | | 1578 | ISR | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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 |
| 1793 | 1534 | 2.00 | 3 | 1.44 | 20 | 28.80 | |
| | Alperovich, Asher | | | 1855 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Fainman, Tomer | | | 1699 | ISR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Lubelsky, Alex | | | 1826 | ISR | 1.00 | 1 | 0.85 | 20 | 17.00 | |
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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