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Individual Calculations August 2023 |
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| Barrantes Batalla, Gerardo 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 |
| 1528 | 1391 | 2.00 | 4 | 0.63 | 20 | 12.60 | |
|  Bogantes Robleto, Karina | | | 1666 | CRC | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Gutierrez Soto, Gilberth | | | 1740 | CRC | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Solis Barrantes, Carlos Fernando | | | 1524 | CRC | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Ibarra Valverde, Kevin | | | 1180 | CRC | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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