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Rapid:
Individual Calculations August 2015 |
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| Parkhov, Yair Total change: 34.40 | |   |
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| Ashdod Under 16 open rapid 2015 | Ashdod | ISR | 2015-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1980 | 3.00 | 4 | 1.02 | 20 | 20.40 | |
|  Boruchovsky, Ron | | | 1794 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Triger, Ramon | | | 2008 | ISR | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Chachashvili, Zuri | | | 1846 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Gorodetzky, David | f | | 2353 | ISR | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Markovich Memorial rapid 2015 | Rishon Lezion | ISR | 2015-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1980 | 3.00 | 5 | 0.70 | 20 | 14.00 | |
| | Reprun, Nadejda | | | 1911 | ISR | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Baron, Tal | g | | 2380 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Musyuk, Lior | | | 1733 | ISR | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Bronstein, Or | | | 2117 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Friedland, Moshe | | | 1987 | ISR | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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