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Blitz:
Individual Calculations January 2018 |
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| Zeledon Perez, Edgar Total change: -8.00 | |   |
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| I Torneo Blitz Federacion Diciembre 2017 | San Jose | CRC | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1812 | 2.00 | 3 | -0.40 | 20 | -8.00 | |
|  Arguedas Bolanos, Sharline | | | 1419 | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Orozco Centeno, Melissa | | | 1440 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Salas Torres, Pamela | | wc | 1752 | CRC | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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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