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Rapid:
Individual Calculations May 2017 |
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| Amir, Abd Alla Osamn Total change: -21.80 | |   |
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| Alkhobar International Chess tournament Open | Al Khobar | KSA | 2017-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1756 | 1.00 | 3 | -1.09 | 20 | -21.80 | |
|  Alali, Sami A | | | 1742 | KSA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Al Arqoubi, Abdullah | | | 1557 | KSA | 0.00 | 1 | -0.76 | 20 | -15.20 | |  Alissa, Abdullah | | | 1509 | KSA | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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