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Rapid:
Individual Calculations September 2018 |
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| Urbina Quiroz, Edwin Total change: -19.40 | |   |
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| Campeonato Nacional Ajedrez Rapido por Equipos FCA 2018 | San Jose | CRC | 2018-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2159 | 4.00 | 7 | -0.97 | 20 | -19.40 | |
|  Rosales Gonzalez, Jessica | | | 1759 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vega Araya, Edwin | | | 1968 | CRC | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Cabrera Chaves, Marco Antonio | | | 2096 | CRC | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Arias Santana, Mauricio | m | | 2270 | CRC | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Sandi Castro, Allan | | | 1759 * | CRC | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Chaves Sanchez, Gabriel A | | | 2102 | CRC | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Amaya Madrigal, Josue | | | 1846 | CRC | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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