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Rapid:
Individual Calculations December 2017 |
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| Mendez Moreno, Kevin Alberto Total change: -19.60 | |   |
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| I Torneo Abierto Unidos por el Ajedrez | Alajuela | CRC | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1429 | 1.00 | 4 | -0.98 | 20 | -19.60 | |
|  Urbina Quiroz, Edwin | | | 1829 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Sandi Castro, Allan | | | 1341 | CRC | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Arguedas Bolanos, Sharline | | | 1363 | CRC | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Porras Chavarria, Pamela Maria | | | 1284 | CRC | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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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