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Rapid:
Individual Calculations January 2020 |
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| Ribstein, Orel Total change: -6.20 | |   |
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| Shachar Arad Memorial Rapid 30.11.2019 - B | Kfar Saba | ISR | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1269 | 1448 | 3.00 | 5 | -0.61 | 20 | -12.20 | |
|  Roytman, Moshe | | | 1253 | ISR | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Taragan, Uri | | | 1191 | ISR | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Dayan, Itay | | | 1373 | ISR | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Boton, Noam | | | 1139 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Galant, Chaim | | | 1389 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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) | | | | Feldklein Memorial 2019 A - 28.12.2019 | Rishon Letzion | ISR | 2019-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1448 | 1.00 | 5 | 0.30 | 20 | 6.00 | |
| | Zlatin, Alexander | f | | 1848 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Barak, Gil | | | 1848 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Levich, Yuri | | | 1678 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Segal, Yosef | | | 1848 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Levanzov, Yevgeny | | | 1642 | ISR | 1.00 | 1 | 0.75 | 20 | 15.00 | | | * 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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