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Individual Calculations November 2017 |
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| Ribstein, Orel Total change: -4.40 | |   |
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| Dov Porat Memorial 2017 Youth B | Ramat Gan | ISR | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1364 | 1.50 | 4 | -0.11 | 40 | -4.40 | |
|  Weissberg, Yair | | | 1308 | ISR | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Vetshtein, Lior | | | 1644 | ISR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Arvily, Itay | | | 1422 | ISR | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Raiko, Gal | | | 1402 | ISR | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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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