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Blitz:
Individual Calculations May 2017 |
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| Araya Lopez, Luis Total change: -20.80 | |   |
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| Campeonato Nacional Blitz por Equipos 2017 | San Jose | CRC | 2017-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2068 | 0.50 | 3 | -1.04 | 20 | -20.80 | |
|  Morera Campos, Hazel Maria | | wm | 1843 | CRC | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Vaglio Mattey, Emanuel | c | | 2299 | CRC | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Minero Pineda, Carlos | | | 2030 | CRC | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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