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Individual Calculations January 2019 |
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| Alsharfi, S S Total change: -51.20 | |   |
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| Mahra International Chess Festival - 2018 | Mahra | YEM | 2018-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2130 | 1.50 | 4 | -1.28 | 40 | -51.20 | |
|  Salman, Saleh | | | 2006 | YEM | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Bal Eid, Mansoor | | | 1977 | YEM | 0.50 | 1 | -0.20 | 40 | -8.00 | |  Mahmood, Fahmi | | | 1789 | YEM | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Al-Subaihi, Khalil | | | 2108 | YEM | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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