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Individual Calculations October 2018 |
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| Rojas Arias, Sebastian Total change: 20.00 | |   |
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| I Torneo Desamparados de Alajuela 2018 | Alajuela | CRC | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1147 | 1.00 | 4 | 0.50 | 40 | 20.00 | |
|  Ramirez Madrid, Gerardo Alfonso | f | | 1547 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Arce Mendez, Elias | | | 1547 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Barquero Alfaro, Alejandro | | | 1329 | CRC | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Espinoza Guerrero, Warner | | | 1547 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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