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Individual Calculations January 2020 |
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| Lebedev, Grigori Total change: -50.80 | |   |
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| Elite Youth League - South 2019/20 Round 6-7 | Various | ISR | 2019-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1208 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Kushnir, Arie | | | 1608 * | ISR | 0.00 | 1 | -0.08 | 40 | -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) | | | | Israel Youth Championship U13 Qualifiers 2019 - South | Ashdod | ISR | 2019-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1208 | 0.00 | 3 | -1.19 | 40 | -47.60 | |
| | Roytman, Yoel | | | 1438 | ISR | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Sabban, Reem | | | 1185 | ISR | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Levine, Arad | | | 1245 | ISR | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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