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Rapid:
Individual Calculations January 2018 |
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| Aroesti, Roee Total change: 21.80 | |   |
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| Israel Rapid Championship 2017 | Kfar Vradim | ISR | 2017-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2011 | 5.00 | 9 | 0.19 | 20 | 3.80 | |
|  Tal-Shahar, Liam | | | 1611 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Baron, Tal | g | | 2411 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Barak, Gil | | | 1888 | ISR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Ashkenazi, Dror | | | 1703 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Fainman, Tomer | | | 1750 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Gruzman, Ilya | | | 1665 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Zak, Uriel | m | | 2297 | ISR | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Erenberg, Ariel | m | | 2200 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Ribshtein, Nati | m | | 2296 | ISR | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | | | Eitan Amitai Memorial Team Rapid Herzliya 2017 | Herzliya | ISR | 2017-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2011 | 2.50 | 5 | 0.90 | 20 | 18.00 | |
| | Iliaguev, Kafar | f | | 2260 | ISR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Slonimskij, Arkadij | | | 2130 | RUS | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Kerner, Michael | | | 2070 | ISR | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Porat, Daniel | | | 2176 | ISR | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Nesterovskaya, Anzhelika | | wf | 2109 | UKR | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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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