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Rapid:
Individual Calculations January 2015 |
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| Gerber, Tal Total change: 61.80 | |   |
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| Eitan Amitai Memorial rapid Herzliya 2014 | Herzliya | ISR | 2014-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1775 | 1.50 | 5 | 0.52 | 20 | 10.40 | |
|  Cnaan, Moshe | | | 2035 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Slonimskij, Arkadij | | | 2168 | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Afgin, David | | | 1978 | ISR | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Har-Even, Abir | | | 2030 | ISR | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Mendelboim, Sagi | | | 1937 | ISR | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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 2014 B | Kfar Saba | ISR | 2014-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1775 | 4.00 | 5 | 2.25 | 20 | 45.00 | |
| | Shtabsky, Michael | | | 1863 | ISR | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Vardi, Shlomit | | | 1923 | ISR | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Magen, Amnon | | | 1887 | ISR | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Ginzburg, Natan | | | 1912 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Slav, Moshe | | | 1847 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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) | | | | Israel U-13 Preliminaries (North) 2014 | Tel Aviv | ISR | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1775 | 2.50 | 4 | 0.32 | 20 | 6.40 | |
| | Gruzman, Ilya | | | 1450 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gitzman, Michael | | | 1759 | ISR | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Sassoon, Roei | | | 1857 | ISR | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Saadon, Netanel | | | 1844 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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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