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Individual Calculations November 2023 |
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| Melgar Ledesma, Hachi Alexandra Total change: -31.60 | |   |
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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1168 | 0.50 | 4 | -0.79 | 40 | -31.60 | |
|  Bejarano Martinez, Diego | | | 1470 | PER | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Bocanegra Reyes, Thiago Stephano | | | 1182 | PER | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Garay Ramirez, Estefano Javier | | | 1665 | PER | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Mayo, Zevallos Salvador Andres | | | 1077 | PER | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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) | | |
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