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Rapid:
Individual Calculations December 2019 |
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| Alvarado Monge, Noelia Patricia Total change: 11.20 | |   |
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| Campeonato Nacional Rapid Sub18 Juvenil 2019 | Grecia | CRC | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1196 | 1183 | 2.50 | 4 | 0.56 | 20 | 11.20 | |
|  Ibarra Valverde, Kevin | | | 1196 | CRC | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Rivera Morales, Francisco | | | 1116 | CRC | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Bolanos Diaz, Daniel | | | 1360 | CRC | 1.00 | 1 | 0.73 | 20 | 14.60 | |  Arevalo Rojas, Andrea | | | 1111 | CRC | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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