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Rapid:
Individual Calculations December 2017 |
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| Medina Mayorga, David Josue Total change: 18.80 | |   |
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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 |
| 1313 | 1249 | 3.00 | 5 | 0.94 | 20 | 18.80 | |
|  Ramirez Madrid, Daniel Alberto | | | 1276 | CRC | 1.00 | 1 | 0.54 | 20 | 10.80 | |  Sandi Quiros, Andrey | | | 1375 | CRC | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Lobo Meneses, Natalia | | | 1343 | CRC | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Jimenez Navarro, Diego | | | 1241 | CRC | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Brenes Benavides, Delianny | | wc | 1329 | 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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