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Rapid:
Individual Calculations December 2017 |
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| Sandi Quiros, Deborah Total change: 53.80 | |   |
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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 |
| 1353 | 1125 | 4.00 | 6 | 2.69 | 20 | 53.80 | |
|  Brenes Benavides, Delianny | | wc | 1329 | CRC | 1.00 | 1 | 0.76 | 20 | 15.20 | |  Lobo Meneses, Natalia | | | 1343 | CRC | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Lopez Bustos, David | | | 1325 | CRC | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Barquero Alfaro, Alejandro | | | 1265 | CRC | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Espitia Torres, Mateo | | | 1377 | CRC | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Diaz Charpentier, Kristel Meliss | | | 1476 | CRC | 0.00 | 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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