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Individual Calculations August 2023 |
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| Shaffer, Alexander Total change: -16.20 | |   |
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| CAMPEONATO PANAMERICANO AMATEUR DE AJEDREZ ABSOLUTO U2000 ECUADOR 2023 | TENA | ECU | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1688 | 2.50 | 8 | -0.81 | 20 | -16.20 | |
|  Velastegui, David | | | 1880 | ECU | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Villarreal Hurtado, Christian Dan | | | 1829 | MEX | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Atiencia Penaloza, Cristian Damia | | | 1330 | ECU | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Lopez Ramirez, Jorge Hernan | c | | 1945 | COL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Oviedo Acosta, Paula | | wc | 1932 | PAR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Villatoro, Christopher | | | 1836 | GUA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Jurado Grefa, Heidy | | | 1476 | ECU | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Rojas Archundia, Helen Karina | | | 1761 | ECU | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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