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Rapid:
Individual Calculations January 2020 |
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| Porras Chavarria, Michael Total change: 4.00 | |   |
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| III Torneo Rapid Estudiantil Decimo y Undecimo Grados 2019 | Alajuela | CRC | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1458 | 4.50 | 6 | 0.20 | 20 | 4.00 | |
|  Chacon Sanabria, Carlos | | | 1367 | CRC | 1.00 | 1 | 0.38 | 20 | 7.60 | |  Leon Cubero, Brandon | | | 1356 | CRC | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Villegas Rodriguez, Jeremy | | | 1275 | CRC | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Avila Apu, Jose Pablo | | | 1072 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Valverde Mora, Mauricio | | | 1297 | CRC | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Sandi Quiros, Andrey | | | 1325 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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