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Rapid:
Individual Calculations August 2023 |
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| Aragon Masis, Sergio Total change: 4.40 | |   |
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| I Brada Chess Open Rapid 2023 | San Jose | CRC | 2023-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1528 | 2.00 | 6 | 0.63 | 20 | 12.60 | |
|  Solis L., Efren A. | c | | 1997 | CRC | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Diaz Charpentier, Kristel Meliss | | wf | 1890 | CRC | 0.50 | 1 | 0.40 | 20 | 8.00 | |  Baquero Montoya, Carlos Alfonso | | | 1873 | VEN | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Urbina Quiroz, Edwin | | | 2106 | CRC | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Nunez Valverde, Jairo | | | 1742 | CRC | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Vargas Arguedas, Caleb | | | 1223 | CRC | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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) | | | | Copa de Ajedrez de Colegios Profesionales 2023 | San Jose | CRC | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1528 | 0.50 | 2 | -0.41 | 20 | -8.20 | |
| | Fernandez Sanchez, Mario Andres | f | | 2097 | CRC | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Ramos Rodriguez, Daniel | | | 1176 | CRC | 0.50 | 1 | -0.39 | 20 | -7.80 | |
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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