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Individual Calculations August 2023 |
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| Zumbado Gutierrez, Marco Antonio Total change: -12.60 | |   |
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| I Torneo Abierto Federacion 2023 | San Jose | CRC | 2023-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 2000 | 2.50 | 4 | -0.63 | 20 | -12.60 | |
|  Angulo Perez, Sebastian | | | 1622 | CRC | 0.50 | 1 | -0.41 | 20 | -8.20 | |  Fernandez Sanchez, Mario Andres | f | | 2058 | CRC | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Bogantes Robleto, Karina | | | 1666 | CRC | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Quiros Cajina, Allan | | | 1600 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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