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Individual Calculations January 2018 |
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| Del Cid Winter, Roberto Total change: -12.20 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1728 | 1.00 | 3 | -0.61 | 20 | -12.20 | |
|  Lopez Acevedo, William Alonso | | | 1628 | CRC | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Buitrago Mosquera, Antonio | | | 1836 | CRC | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Quiros Cajina, Allan | | | 1644 | CRC | 0.00 | 1 | -0.62 | 20 | -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) | | |
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