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Individual Calculations November 2023 |
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| Sandi Quiros, Junior Andrey Total change: -5.40 | |   |
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| I Memorial Samuel Li Chen 2023 | San Jose | CRC | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1505 | 1.50 | 4 | -0.27 | 20 | -5.40 | |
|  Mayorga Araya, Sofia | | wc | 1801 | CRC | 0.50 | 1 | 0.35 | 20 | 7.00 | |  Rodriguez Arrieta, Maria Elena | | wm | 1868 | CRC | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Sandi Barrantes, Victoria | | | 1272 | CRC | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Udiz Suarez, Nelson Antonio | | | 1331 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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