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Individual Calculations June 2023 |
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| Brizuela Benavides, Jorge Total change: -14.80 | |   |
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| Campeonato Nacional Senior 2023 Mayores 65 | San Jose | CRC | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1695 | 1.50 | 4 | -0.74 | 20 | -14.80 | |
|  Mena Vilchez, Ulises | | | 1664 | CRC | 0.00 | 1 | -0.54 | 20 | -10.80 | |  Guerra Cobo, Galo | | | 1579 | CRC | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Saenz Forero, Fernando | | | 1564 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Araya Umana, Carlos | c | | 1795 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | |
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