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Individual Calculations November 2017 |
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| Porras Chavarria, Michael Total change: -31.60 | |   |
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| V Open Encuentro de Culturas Santa Ana 2017 | Santa Ana | CRC | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1510 | 1.50 | 3 | -0.79 | 40 | -31.60 | |
|  Castro Brenes, Danny Adrian | | | 1140 | CRC | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Rodriguez Jimenez, Jose Daniel | | | 1385 | CRC | 0.00 | 1 | -0.67 | 40 | -26.80 | |  Hernandez Leandro, Alejandro | | | 1344 | CRC | 0.50 | 1 | -0.22 | 40 | -8.80 | |
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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