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Rapid:
Individual Calculations December 2017 |
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| Orozco Centeno, Mariana Total change: 10.80 | |   |
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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 |
| 1311 | 1212 | 2.00 | 4 | 0.54 | 20 | 10.80 | |
|  Sandi Quiros, Andrey | | | 1375 | CRC | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Brenes Benavides, Delianny | | wc | 1329 | CRC | 1.00 | 1 | 0.66 | 20 | 13.20 | |  Angulo Hernandez, Maria Jesus | | | 1285 | CRC | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Segura Cordero, Ariel | | | 1254 | CRC | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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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