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Rapid:
Individual Calculations December 2017 |
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| Leon Cubero, Brandon Total change: 1.00 | |   |
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| I Torneo Unidos por el Ajedrez Sub14 2017 | Alajuela | CRC | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1367 | 2.00 | 3 | 0.05 | 20 | 1.00 | |
|  Segura Cordero, Ariel | | | 1254 | CRC | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Frater Gonzalez, Gabriel | | | 1227 | CRC | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Angulo Hernandez, Maria Jesus | | | 1285 | CRC | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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