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Individual Calculations July 2022 |
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| Tzafir, Arik Total change: -26.40 | |   |
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| open chess tournament up to 1800 rated players | Rishon Lezion | ISR | 2022-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1188 | 1.00 | 4 | -0.66 | 40 | -26.40 | |
|  Dayan, Itay | | | 1374 | ISR | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Arian, Tal | | | 1225 | ISR | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Zakin, Lior | | | 1191 | ISR | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Shefer, Alona | | | 1221 | ISR | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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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