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Individual Calculations January 2018 |
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| Silva, Valdecir Batista Total change: -18.20 | |   |
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| XXIII IRT LMX Circuito Maranhense de Xadrez 2017 Etapa Final STD | Sao Luis MA | BRA | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1971 | 0.50 | 3 | -0.91 | 20 | -18.20 | |
|  Leitao, Nicolau | | | 2121 | BRA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Barros Jr, Wilson De Jesus | | | 2008 | BRA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | De Melo, Wladimir Ferreira | | | 1857 | BRA | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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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