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Individual Calculations August 2023 |
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| Alfaro Guillen, Jose Raul Total change: -17.20 | |   |
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| I Torneo Abierto Federacion 2023 | San Jose | CRC | 2023-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1960 | 3.00 | 5 | -0.86 | 20 | -17.20 | |
|  Solis Barrantes, Carlos Fernando | | | 1524 | CRC | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Tenorio Cordero, Jose Noel | | | 1560 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Zamora Rodriguez, Elbert | | | 1783 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Rodriguez Rodriguez, Rafael | | | 2037 | MEX | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Angulo Perez, Sebastian | | | 1622 | CRC | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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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