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Individual Calculations September 2015 |
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| Cu Hor, Winston Darwin Total change: 1.40 | |   |
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| IRT III TORNEO ABIERTO FIDE | Guatemala | GUA | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2315 | 1.50 | 2 | 0.36 | 20 | 7.20 | |
|  Juarez Flores, Gustavo E. | f | | 2097 | GUA | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Juarez Flores, Carlos A. | m | | 2419 | GUA | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | V Campeonato Centroamericano de Ajedrez por Equipos | Managua | NCA | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2315 | 3.00 | 5 | -0.29 | 20 | -5.80 | |
| | Gavarrete, Nahun | f | | 2105 | HON | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Jimenez Garcia, Emmanuel | f | | 2210 | CRC | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Arias, Daniel | f | | 2242 | ESA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Ramos, Efren Andres | | | 2203 | PAN | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Rocha, Maximiliano | f | | 2221 | NCA | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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