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Individual Calculations February 2018 |
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| Lahav, Michal Total change: 25.40 | |   |
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| Liga Noar Ilit North 2017-18 playoffs | various | ISR | 2017-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 1978 | 0.50 | 1 | 0.31 | 40 | 12.40 | |
|  Aroesti, Roee | f | | 2225 | ISR | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | | NOTE: K factor changed | | Liga Artzit South 2018 Round 1-2 | various | ISR | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2043 | 1.00 | 2 | 0.65 | 20 | 13.00 | |
| | Vydeslaver, Alik | m | | 2394 | ISR | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Gutmakher, Olga | | wm | 2245 | ISR | 1.00 | 1 | 0.76 | 20 | 15.20 | |
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) | | |
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