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Rapid:
Individual Calculations December 2017 |
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| Brenes Benavides, Delianny Total change: -30.60 | |   |
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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 |
| 1195 | 1329 | 0.50 | 3 | -1.53 | 20 | -30.60 | |
|  Sandi Quiros, Deborah | | | 1125 | CRC | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Orozco Centeno, Mariana | | | 1212 | CRC | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Medina Mayorga, David Josue | | | 1249 | CRC | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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