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Individual Calculations January 2017 |
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| Quiros Cajina, Allan Total change: -11.00 | |   |
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| I Open INS - Touch Costa Rica | San Jose | CRC | 2016-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1680 | 2.50 | 4 | -0.55 | 20 | -11.00 | |
|  Buitrago Mosquera, Antonio | | | 1767 | CRC | 0.00 | 1 | -0.38 | 20 | -7.60 | |  Roman Alvarado, Mercy | | | 1280 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Montealegre C., Federico | | | 1385 | CRC | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Sandi Castro, Allan | | | 1318 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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