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Rapid:
Individual Calculations October 2018 |
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| Ribstein, Orel Total change: -14.40 | |   |
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| Rapid "Tzlil" Memorial 2018 B | Rishon Letzion | ISR | 2018-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1536 | 1404 | 1.50 | 8 | -1.29 | 20 | -25.80 | |
|  Segev, Shai | | | 1668 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Vaisgur, Alon | | | 1792 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Bigelman, Itzhak | | | 1325 | ISR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Kushnir, Arie | | | 1335 | ISR | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Mamo, Gilad | | | 1299 | ISR | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Gera, Dan | | | 1659 | ISR | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Tal-Shahar, Liam | | | 1624 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Amitai, Ido | | | 1587 | ISR | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Dov Porat Rapid 2018 B | Ramat Gan | ISR | 2018-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1420 | 4.00 | 8 | 0.57 | 20 | 11.40 | |
| | Zemach, Nadav | | | 1804 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Sherman, Ron | | | 1268 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ofir, Ron | | | 1820 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kochavi, Dana | | | 1166 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Katkov, Michelle | | wf | 1720 | ISR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Reshef, Ido | | | 1304 | ISR | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Kravchenko, Danny | | | 1217 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Etingof, Yury | | | 1677 | ISR | 0.50 | 1 | 0.32 | 20 | 6.40 | | | * 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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